/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--it87_wdt.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 11:54:55,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 11:54:55,684 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 11:54:55,690 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 11:54:55,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 11:54:55,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 11:54:55,714 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 11:54:55,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 11:54:55,715 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 11:54:55,715 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 11:54:55,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 11:54:55,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 11:54:55,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 11:54:55,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 11:54:55,717 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 11:54:55,717 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 11:54:55,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 11:54:55,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 11:54:55,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 11:54:55,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 11:54:55,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 11:54:55,721 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 11:54:55,721 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 11:54:55,721 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 11:54:55,721 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 11:54:55,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 11:54:55,722 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 11:54:55,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 11:54:55,722 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 11:54:55,722 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 11:54:55,722 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 11:54:55,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:54:55,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 11:54:55,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 11:54:55,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 11:54:55,723 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 11:54:55,723 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 11:54:55,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 11:54:55,724 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 11:54:55,724 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 11:54:55,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 11:54:55,725 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-05 11:54:55,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 11:54:55,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 11:54:55,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 11:54:55,910 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 11:54:55,910 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 11:54:55,911 INFO L431 ainManager$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--it87_wdt.ko-entry_point.cil.out.i [2024-11-05 11:54:57,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 11:54:57,523 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 11:54:57,523 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--it87_wdt.ko-entry_point.cil.out.i [2024-11-05 11:54:57,551 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/249f7ddb7/b99a9f3b47f44e13a923a6c1e5bf9d37/FLAG2ee28a638 [2024-11-05 11:54:57,800 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/249f7ddb7/b99a9f3b47f44e13a923a6c1e5bf9d37 [2024-11-05 11:54:57,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 11:54:57,804 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 11:54:57,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 11:54:57,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 11:54:57,814 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 11:54:57,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:54:57" (1/1) ... [2024-11-05 11:54:57,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248ad58c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:54:57, skipping insertion in model container [2024-11-05 11:54:57,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:54:57" (1/1) ... [2024-11-05 11:54:57,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 11:54:58,657 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 11:54:58,658 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 11:54:58,750 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 11:54:58,751 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 11:54:58,754 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 11:54:58,754 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 11:54:58,754 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 11:54:58,754 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 11:54:58,755 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 11:54:58,755 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 11:54:58,756 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 11:54:58,756 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 11:54:58,756 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 11:54:58,769 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--it87_wdt.ko-entry_point.cil.out.i[120162,120175] [2024-11-05 11:54:58,800 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 11:54:58,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:54:58,822 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 11:54:58,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3119] [2024-11-05 11:54:58,890 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)); [3126] [2024-11-05 11:54:58,891 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"); [3134-3135] [2024-11-05 11:54:58,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3143-3144] [2024-11-05 11:54:58,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3164] [2024-11-05 11:54:58,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3172] [2024-11-05 11:54:58,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (buf + ofs), "i" (1UL)); [3673-3674] [2024-11-05 11:54:58,926 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"); [3734] [2024-11-05 11:54:58,926 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"); [3737] [2024-11-05 11:54:58,926 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"); [3740] [2024-11-05 11:54:58,927 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"); [3743] [2024-11-05 11:54:58,928 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"); [3746] [2024-11-05 11:54:58,929 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"); [3757-3758] [2024-11-05 11:54:58,930 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"); [3761-3762] [2024-11-05 11:54:58,930 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"); [3765-3766] [2024-11-05 11:54:58,930 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"); [3769-3770] [2024-11-05 11:54:58,930 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"); [3773-3774] [2024-11-05 11:54:58,931 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)); [3785-3786] [2024-11-05 11:54:58,934 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)); [3823-3824] [2024-11-05 11:54:58,935 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"); [3837-3838] [2024-11-05 11:54:58,935 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"); [3841-3842] [2024-11-05 11:54:58,935 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"); [3845-3846] [2024-11-05 11:54:58,935 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"); [3849-3850] [2024-11-05 11:54:58,935 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"); [3853-3854] [2024-11-05 11:54:58,959 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--it87_wdt.ko-entry_point.cil.out.i[120162,120175] [2024-11-05 11:54:58,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 11:54:59,004 INFO L204 MainTranslator]: Completed translation [2024-11-05 11:54:59,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:54:59 WrapperNode [2024-11-05 11:54:59,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 11:54:59,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 11:54:59,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 11:54:59,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 11:54:59,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:54:59" (1/1) ... [2024-11-05 11:54:59,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:54:59" (1/1) ... [2024-11-05 11:54:59,107 INFO L138 Inliner]: procedures = 105, calls = 407, calls flagged for inlining = 31, calls inlined = 28, statements flattened = 1200 [2024-11-05 11:54:59,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 11:54:59,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 11:54:59,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 11:54:59,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 11:54:59,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:54:59" (1/1) ... [2024-11-05 11:54:59,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:54:59" (1/1) ... [2024-11-05 11:54:59,134 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:54:59" (1/1) ... [2024-11-05 11:54:59,208 INFO L175 MemorySlicer]: Split 104 memory accesses to 11 slices as follows [3, 2, 0, 9, 34, 29, 13, 3, 2, 8, 1]. 33 percent of accesses are in the largest equivalence class. The 40 initializations are split as follows [3, 2, 0, 0, 34, 0, 0, 1, 0, 0, 0]. The 50 writes are split as follows [0, 0, 0, 2, 0, 29, 12, 1, 1, 4, 1]. [2024-11-05 11:54:59,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:54:59" (1/1) ... [2024-11-05 11:54:59,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:54:59" (1/1) ... [2024-11-05 11:54:59,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:54:59" (1/1) ... [2024-11-05 11:54:59,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:54:59" (1/1) ... [2024-11-05 11:54:59,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:54:59" (1/1) ... [2024-11-05 11:54:59,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:54:59" (1/1) ... [2024-11-05 11:54:59,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 11:54:59,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 11:54:59,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 11:54:59,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 11:54:59,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:54:59" (1/1) ... [2024-11-05 11:54:59,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 11:54:59,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 11:54:59,306 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 11:54:59,317 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 11:54:59,335 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_stop [2024-11-05 11:54:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_stop [2024-11-05 11:54:59,335 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_write [2024-11-05 11:54:59,335 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_write [2024-11-05 11:54:59,335 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_update_timeout [2024-11-05 11:54:59,336 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_update_timeout [2024-11-05 11:54:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 11:54:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 11:54:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 11:54:59,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 11:54:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 11:54:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 11:54:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 11:54:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-05 11:54:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-05 11:54:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-05 11:54:59,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-11-05 11:54:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 11:54:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 11:54:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 11:54:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 11:54:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 11:54:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 11:54:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 11:54:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-05 11:54:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-05 11:54:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-05 11:54:59,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-05 11:54:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 11:54:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 11:54:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 11:54:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 11:54:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 11:54:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 11:54:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 11:54:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-05 11:54:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-05 11:54:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-05 11:54:59,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-05 11:54:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 11:54:59,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 11:54:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-05 11:54:59,340 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-05 11:54:59,340 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_round_time [2024-11-05 11:54:59,341 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_round_time [2024-11-05 11:54:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2024-11-05 11:54:59,342 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2024-11-05 11:54:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-05 11:54:59,342 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-05 11:54:59,342 INFO L130 BoogieDeclarations]: Found specification of procedure superio_exit [2024-11-05 11:54:59,342 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_exit [2024-11-05 11:54:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-05 11:54:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-05 11:54:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 11:54:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 11:54:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2024-11-05 11:54:59,343 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2024-11-05 11:54:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 11:54:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 11:54:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 11:54:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 11:54:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 11:54:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 11:54:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 11:54:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-05 11:54:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-05 11:54:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-05 11:54:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2024-11-05 11:54:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-05 11:54:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-05 11:54:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-05 11:54:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-05 11:54:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-05 11:54:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-05 11:54:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-05 11:54:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-05 11:54:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-05 11:54:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-05 11:54:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2024-11-05 11:54:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-05 11:54:59,345 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-05 11:54:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure superio_enter [2024-11-05 11:54:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_enter [2024-11-05 11:54:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-05 11:54:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-05 11:54:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 11:54:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 11:54:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_keepalive [2024-11-05 11:54:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_keepalive [2024-11-05 11:54:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2024-11-05 11:54:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2024-11-05 11:54:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb [2024-11-05 11:54:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb [2024-11-05 11:54:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 11:54:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-05 11:54:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-05 11:54:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-05 11:54:59,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-05 11:54:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 11:54:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2024-11-05 11:54:59,348 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2024-11-05 11:54:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outw [2024-11-05 11:54:59,349 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outw [2024-11-05 11:54:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 11:54:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 11:54:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 11:54:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 11:54:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 11:54:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 11:54:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 11:54:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-05 11:54:59,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-05 11:54:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-05 11:54:59,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-05 11:54:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 11:54:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 11:54:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 11:54:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 11:54:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 11:54:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 11:54:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 11:54:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 11:54:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-05 11:54:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-05 11:54:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-05 11:54:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-05 11:54:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 11:54:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 11:54:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 11:54:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 11:54:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 11:54:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 11:54:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-05 11:54:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-05 11:54:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-05 11:54:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-05 11:54:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2024-11-05 11:54:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 11:54:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 11:54:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 11:54:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 11:54:59,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 11:54:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 11:54:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 11:54:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 11:54:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-05 11:54:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-05 11:54:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-05 11:54:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-05 11:54:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 11:54:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 11:54:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 11:54:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 11:54:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 11:54:59,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 11:54:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-05 11:54:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-05 11:54:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-05 11:54:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-05 11:54:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-05 11:54:59,356 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-05 11:54:59,357 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-05 11:54:59,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 11:54:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 11:54:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 11:54:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 11:54:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 11:54:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 11:54:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 11:54:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-05 11:54:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-05 11:54:59,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-05 11:54:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-05 11:54:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 11:54:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 11:54:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 11:54:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 11:54:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 11:54:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-05 11:54:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-05 11:54:59,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-05 11:54:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-05 11:54:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-05 11:54:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-05 11:54:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 11:54:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 11:54:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 11:54:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 11:54:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 11:54:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-05 11:54:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-05 11:54:59,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-05 11:54:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-05 11:54:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-05 11:54:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#10 [2024-11-05 11:54:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-05 11:54:59,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-05 11:54:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_start [2024-11-05 11:54:59,361 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_start [2024-11-05 11:54:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-05 11:54:59,361 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-05 11:54:59,361 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-05 11:54:59,361 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-05 11:54:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-05 11:54:59,362 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-05 11:54:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-05 11:54:59,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-05 11:54:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-05 11:54:59,362 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-05 11:54:59,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 11:54:59,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 11:54:59,687 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 11:54:59,690 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 11:54:59,781 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 11:55:08,326 INFO L? ?]: Removed 480 outVars from TransFormulas that were not future-live. [2024-11-05 11:55:08,326 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 11:55:08,351 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 11:55:08,351 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 11:55:08,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:55:08 BoogieIcfgContainer [2024-11-05 11:55:08,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 11:55:08,355 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 11:55:08,355 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 11:55:08,358 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 11:55:08,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:54:57" (1/3) ... [2024-11-05 11:55:08,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794d8a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:55:08, skipping insertion in model container [2024-11-05 11:55:08,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:54:59" (2/3) ... [2024-11-05 11:55:08,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@794d8a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:55:08, skipping insertion in model container [2024-11-05 11:55:08,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:55:08" (3/3) ... [2024-11-05 11:55:08,360 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2024-11-05 11:55:08,371 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 11:55:08,371 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 11:55:08,439 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 11:55:08,444 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;@31a969dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 11:55:08,444 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 11:55:08,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 590 states, 367 states have (on average 1.3923705722070845) internal successors, (511), 400 states have internal predecessors, (511), 191 states have call successors, (191), 31 states have call predecessors, (191), 30 states have return successors, (187), 182 states have call predecessors, (187), 187 states have call successors, (187) [2024-11-05 11:55:08,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-05 11:55:08,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:55:08,472 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, 1] [2024-11-05 11:55:08,472 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:55:08,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:55:08,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1201237634, now seen corresponding path program 1 times [2024-11-05 11:55:08,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:55:08,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1771211127] [2024-11-05 11:55:08,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:55:08,488 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:55:08,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:08,492 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 11:55:08,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-05 11:55:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:55:08,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 11:55:08,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:55:08,981 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 11:55:08,981 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:55:09,869 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 11:55:09,870 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:55:09,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1771211127] [2024-11-05 11:55:09,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1771211127] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:55:09,871 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:55:09,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-05 11:55:09,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389515850] [2024-11-05 11:55:09,872 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:55:09,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 11:55:09,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:55:09,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 11:55:09,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 11:55:09,895 INFO L87 Difference]: Start difference. First operand has 590 states, 367 states have (on average 1.3923705722070845) internal successors, (511), 400 states have internal predecessors, (511), 191 states have call successors, (191), 31 states have call predecessors, (191), 30 states have return successors, (187), 182 states have call predecessors, (187), 187 states have call successors, (187) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 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 11:55:09,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:55:09,963 INFO L93 Difference]: Finished difference Result 1175 states and 1803 transitions. [2024-11-05 11:55:09,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 11:55:09,965 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 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 137 [2024-11-05 11:55:09,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:55:09,990 INFO L225 Difference]: With dead ends: 1175 [2024-11-05 11:55:09,990 INFO L226 Difference]: Without dead ends: 579 [2024-11-05 11:55:10,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 272 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 11:55:10,008 INFO L432 NwaCegarLoop]: 885 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, 885 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 11:55:10,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 885 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 11:55:10,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-11-05 11:55:10,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2024-11-05 11:55:10,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 362 states have (on average 1.3784530386740332) internal successors, (499), 389 states have internal predecessors, (499), 187 states have call successors, (187), 30 states have call predecessors, (187), 29 states have return successors, (186), 181 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 11:55:10,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 872 transitions. [2024-11-05 11:55:10,106 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 872 transitions. Word has length 137 [2024-11-05 11:55:10,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:55:10,107 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 872 transitions. [2024-11-05 11:55:10,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 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 11:55:10,107 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 872 transitions. [2024-11-05 11:55:10,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-05 11:55:10,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:55:10,116 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, 1] [2024-11-05 11:55:10,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-05 11:55:10,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:10,317 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:55:10,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:55:10,317 INFO L85 PathProgramCache]: Analyzing trace with hash -2139712646, now seen corresponding path program 1 times [2024-11-05 11:55:10,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:55:10,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [348781217] [2024-11-05 11:55:10,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:55:10,318 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:55:10,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:10,320 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 11:55:10,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-05 11:55:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:55:10,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 11:55:10,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:55:11,001 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 11:55:11,001 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:55:12,242 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 11:55:12,243 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:55:12,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [348781217] [2024-11-05 11:55:12,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [348781217] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 11:55:12,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 11:55:12,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-05 11:55:12,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407632862] [2024-11-05 11:55:12,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 11:55:12,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:55:12,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:55:12,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:55:12,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:55:12,246 INFO L87 Difference]: Start difference. First operand 579 states and 872 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 11:55:12,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:55:12,488 INFO L93 Difference]: Finished difference Result 1150 states and 1737 transitions. [2024-11-05 11:55:12,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:55:12,489 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 137 [2024-11-05 11:55:12,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:55:12,493 INFO L225 Difference]: With dead ends: 1150 [2024-11-05 11:55:12,494 INFO L226 Difference]: Without dead ends: 580 [2024-11-05 11:55:12,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:55:12,497 INFO L432 NwaCegarLoop]: 870 mSDtfsCounter, 0 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2596 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 11:55:12,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2596 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 11:55:12,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-11-05 11:55:12,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2024-11-05 11:55:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 363 states have (on average 1.3774104683195592) internal successors, (500), 390 states have internal predecessors, (500), 187 states have call successors, (187), 30 states have call predecessors, (187), 29 states have return successors, (186), 181 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 11:55:12,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 873 transitions. [2024-11-05 11:55:12,527 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 873 transitions. Word has length 137 [2024-11-05 11:55:12,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:55:12,530 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 873 transitions. [2024-11-05 11:55:12,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 11:55:12,530 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 873 transitions. [2024-11-05 11:55:12,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-05 11:55:12,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:55:12,532 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, 1] [2024-11-05 11:55:12,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0 [2024-11-05 11:55:12,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:12,733 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:55:12,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:55:12,734 INFO L85 PathProgramCache]: Analyzing trace with hash 2142592682, now seen corresponding path program 1 times [2024-11-05 11:55:12,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:55:12,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1259618013] [2024-11-05 11:55:12,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:55:12,735 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:55:12,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:12,738 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 11:55:12,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-05 11:55:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:55:13,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 11:55:13,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:55:13,523 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 11:55:13,524 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:55:15,151 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 11:55:15,151 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:55:15,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1259618013] [2024-11-05 11:55:15,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1259618013] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 11:55:15,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 11:55:15,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-05 11:55:15,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673954019] [2024-11-05 11:55:15,152 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 11:55:15,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-05 11:55:15,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:55:15,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-05 11:55:15,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-05 11:55:15,162 INFO L87 Difference]: Start difference. First operand 580 states and 873 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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 11:55:16,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:55:16,470 INFO L93 Difference]: Finished difference Result 1161 states and 1755 transitions. [2024-11-05 11:55:16,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 11:55:16,471 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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 143 [2024-11-05 11:55:16,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:55:16,474 INFO L225 Difference]: With dead ends: 1161 [2024-11-05 11:55:16,474 INFO L226 Difference]: Without dead ends: 590 [2024-11-05 11:55:16,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-05 11:55:16,477 INFO L432 NwaCegarLoop]: 868 mSDtfsCounter, 4 mSDsluCounter, 5164 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 6032 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-05 11:55:16,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 6032 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-05 11:55:16,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2024-11-05 11:55:16,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2024-11-05 11:55:16,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 372 states have (on average 1.3763440860215055) internal successors, (512), 399 states have internal predecessors, (512), 187 states have call successors, (187), 31 states have call predecessors, (187), 30 states have return successors, (186), 181 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 11:55:16,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 885 transitions. [2024-11-05 11:55:16,497 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 885 transitions. Word has length 143 [2024-11-05 11:55:16,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:55:16,497 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 885 transitions. [2024-11-05 11:55:16,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 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 11:55:16,497 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 885 transitions. [2024-11-05 11:55:16,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-05 11:55:16,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:55:16,499 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, 1] [2024-11-05 11:55:16,510 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-05 11:55:16,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:16,700 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:55:16,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:55:16,701 INFO L85 PathProgramCache]: Analyzing trace with hash 785478458, now seen corresponding path program 2 times [2024-11-05 11:55:16,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:55:16,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1364378903] [2024-11-05 11:55:16,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:55:16,702 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:55:16,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:16,704 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 11:55:16,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-05 11:55:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:55:17,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-05 11:55:17,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:55:17,977 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 11:55:17,977 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:55:20,460 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 11:55:20,460 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:55:20,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1364378903] [2024-11-05 11:55:20,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1364378903] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 11:55:20,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 11:55:20,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-05 11:55:20,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456873010] [2024-11-05 11:55:20,461 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 11:55:20,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-05 11:55:20,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:55:20,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-05 11:55:20,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-05 11:55:20,462 INFO L87 Difference]: Start difference. First operand 590 states and 885 transitions. Second operand has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 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 11:55:23,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:55:23,104 INFO L93 Difference]: Finished difference Result 1180 states and 1779 transitions. [2024-11-05 11:55:23,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-05 11:55:23,105 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 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 157 [2024-11-05 11:55:23,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:55:23,110 INFO L225 Difference]: With dead ends: 1180 [2024-11-05 11:55:23,110 INFO L226 Difference]: Without dead ends: 596 [2024-11-05 11:55:23,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=144, Invalid=276, Unknown=0, NotChecked=0, Total=420 [2024-11-05 11:55:23,113 INFO L432 NwaCegarLoop]: 868 mSDtfsCounter, 5 mSDsluCounter, 5166 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 6034 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-05 11:55:23,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 6034 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-05 11:55:23,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-05 11:55:23,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2024-11-05 11:55:23,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 378 states have (on average 1.373015873015873) internal successors, (519), 405 states have internal predecessors, (519), 187 states have call successors, (187), 31 states have call predecessors, (187), 30 states have return successors, (186), 181 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 11:55:23,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 892 transitions. [2024-11-05 11:55:23,140 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 892 transitions. Word has length 157 [2024-11-05 11:55:23,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:55:23,140 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 892 transitions. [2024-11-05 11:55:23,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 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 11:55:23,140 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 892 transitions. [2024-11-05 11:55:23,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-05 11:55:23,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:55:23,143 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, 1] [2024-11-05 11:55:23,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-05 11:55:23,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:23,343 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:55:23,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:55:23,344 INFO L85 PathProgramCache]: Analyzing trace with hash 574231354, now seen corresponding path program 3 times [2024-11-05 11:55:23,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:55:23,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665935960] [2024-11-05 11:55:23,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:55:23,344 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:55:23,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:23,346 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 11:55:23,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Waiting until timeout for monitored process [2024-11-05 11:55:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:55:23,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-05 11:55:23,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:55:24,253 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 11:55:24,253 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:55:25,665 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 11:55:25,666 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:55:25,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665935960] [2024-11-05 11:55:25,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1665935960] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 11:55:25,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 11:55:25,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 11:55:25,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930741353] [2024-11-05 11:55:25,666 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 11:55:25,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 11:55:25,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:55:25,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 11:55:25,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:55:25,667 INFO L87 Difference]: Start difference. First operand 596 states and 892 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 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 11:55:26,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:55:26,556 INFO L93 Difference]: Finished difference Result 1182 states and 1769 transitions. [2024-11-05 11:55:26,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-05 11:55:26,560 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 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 173 [2024-11-05 11:55:26,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:55:26,564 INFO L225 Difference]: With dead ends: 1182 [2024-11-05 11:55:26,564 INFO L226 Difference]: Without dead ends: 596 [2024-11-05 11:55:26,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-05 11:55:26,571 INFO L432 NwaCegarLoop]: 865 mSDtfsCounter, 6 mSDsluCounter, 3437 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4302 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-05 11:55:26,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4302 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-05 11:55:26,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-05 11:55:26,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2024-11-05 11:55:26,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 378 states have (on average 1.3624338624338623) internal successors, (515), 405 states have internal predecessors, (515), 187 states have call successors, (187), 31 states have call predecessors, (187), 30 states have return successors, (186), 181 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 11:55:26,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 888 transitions. [2024-11-05 11:55:26,592 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 888 transitions. Word has length 173 [2024-11-05 11:55:26,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:55:26,593 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 888 transitions. [2024-11-05 11:55:26,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 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 11:55:26,594 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 888 transitions. [2024-11-05 11:55:26,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-05 11:55:26,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:55:26,595 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, 1] [2024-11-05 11:55:26,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (6)] Forceful destruction successful, exit code 0 [2024-11-05 11:55:26,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:26,796 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:55:26,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:55:26,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1768198906, now seen corresponding path program 4 times [2024-11-05 11:55:26,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:55:26,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [535489795] [2024-11-05 11:55:26,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:55:26,797 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:55:26,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:26,800 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 11:55:26,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Waiting until timeout for monitored process [2024-11-05 11:55:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:55:27,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 1262 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 11:55:27,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:55:27,677 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 11:55:27,677 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:55:29,345 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 11:55:29,345 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:55:29,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [535489795] [2024-11-05 11:55:29,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [535489795] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:55:29,345 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:55:29,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2024-11-05 11:55:29,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475013780] [2024-11-05 11:55:29,346 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:55:29,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-05 11:55:29,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:55:29,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-05 11:55:29,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-05 11:55:29,347 INFO L87 Difference]: Start difference. First operand 596 states and 888 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-05 11:55:33,378 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 11:55:37,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 11:55:38,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:55:38,256 INFO L93 Difference]: Finished difference Result 1167 states and 1752 transitions. [2024-11-05 11:55:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 11:55:38,257 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) Word has length 177 [2024-11-05 11:55:38,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:55:38,261 INFO L225 Difference]: With dead ends: 1167 [2024-11-05 11:55:38,261 INFO L226 Difference]: Without dead ends: 616 [2024-11-05 11:55:38,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-05 11:55:38,264 INFO L432 NwaCegarLoop]: 870 mSDtfsCounter, 27 mSDsluCounter, 6051 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 6921 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-11-05 11:55:38,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 6921 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 85 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2024-11-05 11:55:38,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-11-05 11:55:38,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 603. [2024-11-05 11:55:38,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 384 states have (on average 1.3567708333333333) internal successors, (521), 411 states have internal predecessors, (521), 187 states have call successors, (187), 31 states have call predecessors, (187), 31 states have return successors, (194), 182 states have call predecessors, (194), 186 states have call successors, (194) [2024-11-05 11:55:38,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 902 transitions. [2024-11-05 11:55:38,288 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 902 transitions. Word has length 177 [2024-11-05 11:55:38,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:55:38,288 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 902 transitions. [2024-11-05 11:55:38,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-05 11:55:38,289 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 902 transitions. [2024-11-05 11:55:38,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-05 11:55:38,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:55:38,291 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, 1] [2024-11-05 11:55:38,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (7)] Ended with exit code 0 [2024-11-05 11:55:38,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:38,492 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:55:38,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:55:38,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1825457208, now seen corresponding path program 1 times [2024-11-05 11:55:38,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:55:38,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [975659622] [2024-11-05 11:55:38,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:55:38,492 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:55:38,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:38,494 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 11:55:38,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Waiting until timeout for monitored process [2024-11-05 11:55:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:55:39,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 1260 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:55:39,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:55:42,191 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 11:55:42,192 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:55:43,860 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 11:55:43,860 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:55:43,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [975659622] [2024-11-05 11:55:43,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [975659622] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:55:43,860 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:55:43,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-05 11:55:43,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80036388] [2024-11-05 11:55:43,861 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:55:43,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:55:43,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:55:43,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:55:43,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:55:43,862 INFO L87 Difference]: Start difference. First operand 603 states and 902 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 11:55:43,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:55:43,932 INFO L93 Difference]: Finished difference Result 1161 states and 1750 transitions. [2024-11-05 11:55:43,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:55:43,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 177 [2024-11-05 11:55:43,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:55:43,939 INFO L225 Difference]: With dead ends: 1161 [2024-11-05 11:55:43,939 INFO L226 Difference]: Without dead ends: 1082 [2024-11-05 11:55:43,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:55:43,941 INFO L432 NwaCegarLoop]: 970 mSDtfsCounter, 792 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 1802 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 11:55:43,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [792 Valid, 1802 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 11:55:43,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2024-11-05 11:55:44,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 1082. [2024-11-05 11:55:44,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 694 states have (on average 1.3631123919308357) internal successors, (946), 739 states have internal predecessors, (946), 328 states have call successors, (328), 58 states have call predecessors, (328), 59 states have return successors, (341), 321 states have call predecessors, (341), 327 states have call successors, (341) [2024-11-05 11:55:44,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1615 transitions. [2024-11-05 11:55:44,016 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1615 transitions. Word has length 177 [2024-11-05 11:55:44,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:55:44,017 INFO L471 AbstractCegarLoop]: Abstraction has 1082 states and 1615 transitions. [2024-11-05 11:55:44,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 11:55:44,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1615 transitions. [2024-11-05 11:55:44,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-05 11:55:44,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:55:44,020 INFO L215 NwaCegarLoop]: trace histogram [40, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 11:55:44,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (8)] Ended with exit code 0 [2024-11-05 11:55:44,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:44,225 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:55:44,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:55:44,225 INFO L85 PathProgramCache]: Analyzing trace with hash 282174662, now seen corresponding path program 1 times [2024-11-05 11:55:44,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:55:44,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1428398331] [2024-11-05 11:55:44,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:55:44,226 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:55:44,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:44,227 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 11:55:44,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Waiting until timeout for monitored process [2024-11-05 11:55:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:55:44,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 1395 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:55:44,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:55:44,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1193 trivial. 0 not checked. [2024-11-05 11:55:44,892 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:55:46,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1193 trivial. 0 not checked. [2024-11-05 11:55:46,231 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:55:46,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1428398331] [2024-11-05 11:55:46,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1428398331] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:55:46,231 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:55:46,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 11:55:46,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613581406] [2024-11-05 11:55:46,232 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:55:46,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:55:46,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:55:46,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:55:46,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:55:46,233 INFO L87 Difference]: Start difference. First operand 1082 states and 1615 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-05 11:55:46,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:55:46,557 INFO L93 Difference]: Finished difference Result 2581 states and 3832 transitions. [2024-11-05 11:55:46,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:55:46,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 228 [2024-11-05 11:55:46,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:55:46,569 INFO L225 Difference]: With dead ends: 2581 [2024-11-05 11:55:46,569 INFO L226 Difference]: Without dead ends: 1544 [2024-11-05 11:55:46,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:55:46,574 INFO L432 NwaCegarLoop]: 931 mSDtfsCounter, 428 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 1724 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 11:55:46,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 1724 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 11:55:46,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2024-11-05 11:55:46,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1522. [2024-11-05 11:55:46,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1522 states, 949 states have (on average 1.3498419388830347) internal successors, (1281), 1018 states have internal predecessors, (1281), 474 states have call successors, (474), 95 states have call predecessors, (474), 98 states have return successors, (493), 459 states have call predecessors, (493), 473 states have call successors, (493) [2024-11-05 11:55:46,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1522 states and 2248 transitions. [2024-11-05 11:55:46,635 INFO L78 Accepts]: Start accepts. Automaton has 1522 states and 2248 transitions. Word has length 228 [2024-11-05 11:55:46,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:55:46,637 INFO L471 AbstractCegarLoop]: Abstraction has 1522 states and 2248 transitions. [2024-11-05 11:55:46,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-05 11:55:46,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 2248 transitions. [2024-11-05 11:55:46,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2024-11-05 11:55:46,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:55:46,701 INFO L215 NwaCegarLoop]: trace histogram [40, 17, 17, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:55:46,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (9)] Ended with exit code 0 [2024-11-05 11:55:46,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:46,903 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:55:46,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:55:46,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1388021079, now seen corresponding path program 1 times [2024-11-05 11:55:46,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:55:46,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [578540131] [2024-11-05 11:55:46,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:55:46,904 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:55:46,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:46,905 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:55:46,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (10)] Waiting until timeout for monitored process [2024-11-05 11:55:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:55:47,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 1896 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-05 11:55:47,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:55:48,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 1673 trivial. 0 not checked. [2024-11-05 11:55:48,162 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:55:52,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 1791 trivial. 0 not checked. [2024-11-05 11:55:52,834 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:55:52,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [578540131] [2024-11-05 11:55:52,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [578540131] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 11:55:52,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 11:55:52,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-05 11:55:52,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192998168] [2024-11-05 11:55:52,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 11:55:52,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 11:55:52,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:55:52,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 11:55:52,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:55:52,836 INFO L87 Difference]: Start difference. First operand 1522 states and 2248 transitions. Second operand has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 5 states have internal predecessors, (152), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-05 11:55:53,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:55:53,096 INFO L93 Difference]: Finished difference Result 3009 states and 4510 transitions. [2024-11-05 11:55:53,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 11:55:53,101 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 5 states have internal predecessors, (152), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) Word has length 444 [2024-11-05 11:55:53,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:55:53,115 INFO L225 Difference]: With dead ends: 3009 [2024-11-05 11:55:53,116 INFO L226 Difference]: Without dead ends: 1542 [2024-11-05 11:55:53,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 886 GetRequests, 878 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-05 11:55:53,125 INFO L432 NwaCegarLoop]: 869 mSDtfsCounter, 0 mSDsluCounter, 3471 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4340 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 11:55:53,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4340 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 11:55:53,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2024-11-05 11:55:53,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1542. [2024-11-05 11:55:53,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 965 states have (on average 1.344041450777202) internal successors, (1297), 1034 states have internal predecessors, (1297), 474 states have call successors, (474), 95 states have call predecessors, (474), 102 states have return successors, (505), 463 states have call predecessors, (505), 473 states have call successors, (505) [2024-11-05 11:55:53,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2276 transitions. [2024-11-05 11:55:53,241 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2276 transitions. Word has length 444 [2024-11-05 11:55:53,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:55:53,242 INFO L471 AbstractCegarLoop]: Abstraction has 1542 states and 2276 transitions. [2024-11-05 11:55:53,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 5 states have internal predecessors, (152), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-05 11:55:53,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2276 transitions. [2024-11-05 11:55:53,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2024-11-05 11:55:53,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:55:53,249 INFO L215 NwaCegarLoop]: trace histogram [40, 17, 17, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:55:53,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (10)] Ended with exit code 0 [2024-11-05 11:55:53,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:53,451 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:55:53,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:55:53,451 INFO L85 PathProgramCache]: Analyzing trace with hash 35192279, now seen corresponding path program 1 times [2024-11-05 11:55:53,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:55:53,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1224982734] [2024-11-05 11:55:53,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:55:53,452 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:55:53,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:53,453 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:55:53,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (11)] Waiting until timeout for monitored process [2024-11-05 11:55:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:55:54,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 1947 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 11:55:54,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:55:54,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1913 backedges. 439 proven. 0 refuted. 0 times theorem prover too weak. 1474 trivial. 0 not checked. [2024-11-05 11:55:54,327 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:55:58,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1913 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 1894 trivial. 0 not checked. [2024-11-05 11:55:58,292 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:55:58,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1224982734] [2024-11-05 11:55:58,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1224982734] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 11:55:58,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 11:55:58,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-05 11:55:58,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754425087] [2024-11-05 11:55:58,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 11:55:58,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-05 11:55:58,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:55:58,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-05 11:55:58,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-05 11:55:58,294 INFO L87 Difference]: Start difference. First operand 1542 states and 2276 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (57), 2 states have call predecessors, (57), 3 states have return successors, (56), 3 states have call predecessors, (56), 2 states have call successors, (56) [2024-11-05 11:55:58,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:55:58,574 INFO L93 Difference]: Finished difference Result 3037 states and 4498 transitions. [2024-11-05 11:55:58,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 11:55:58,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (57), 2 states have call predecessors, (57), 3 states have return successors, (56), 3 states have call predecessors, (56), 2 states have call successors, (56) Word has length 462 [2024-11-05 11:55:58,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:55:58,598 INFO L225 Difference]: With dead ends: 3037 [2024-11-05 11:55:58,599 INFO L226 Difference]: Without dead ends: 1546 [2024-11-05 11:55:58,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 922 GetRequests, 916 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-05 11:55:58,609 INFO L432 NwaCegarLoop]: 871 mSDtfsCounter, 0 mSDsluCounter, 2596 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3467 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 11:55:58,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3467 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 11:55:58,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2024-11-05 11:55:58,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1544. [2024-11-05 11:55:58,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 967 states have (on average 1.343329886246122) internal successors, (1299), 1035 states have internal predecessors, (1299), 474 states have call successors, (474), 95 states have call predecessors, (474), 102 states have return successors, (503), 464 states have call predecessors, (503), 473 states have call successors, (503) [2024-11-05 11:55:58,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2276 transitions. [2024-11-05 11:55:58,736 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2276 transitions. Word has length 462 [2024-11-05 11:55:58,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:55:58,737 INFO L471 AbstractCegarLoop]: Abstraction has 1544 states and 2276 transitions. [2024-11-05 11:55:58,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (57), 2 states have call predecessors, (57), 3 states have return successors, (56), 3 states have call predecessors, (56), 2 states have call successors, (56) [2024-11-05 11:55:58,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2276 transitions. [2024-11-05 11:55:58,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2024-11-05 11:55:58,745 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:55:58,746 INFO L215 NwaCegarLoop]: trace histogram [40, 21, 21, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:55:58,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (11)] Forceful destruction successful, exit code 0 [2024-11-05 11:55:58,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:58,950 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:55:58,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:55:58,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1398569634, now seen corresponding path program 2 times [2024-11-05 11:55:58,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:55:58,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1077120229] [2024-11-05 11:55:58,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:55:58,952 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:55:58,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:55:58,957 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:55:58,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (12)] Waiting until timeout for monitored process [2024-11-05 11:55:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:55:59,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 1979 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 11:55:59,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:56:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2140 backedges. 335 proven. 32 refuted. 0 times theorem prover too weak. 1773 trivial. 0 not checked. [2024-11-05 11:56:02,712 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:56:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2140 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2127 trivial. 0 not checked. [2024-11-05 11:56:07,913 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:56:07,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1077120229] [2024-11-05 11:56:07,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1077120229] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 11:56:07,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 11:56:07,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-05 11:56:07,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747474898] [2024-11-05 11:56:07,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 11:56:07,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:56:07,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:56:07,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:56:07,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-05 11:56:07,915 INFO L87 Difference]: Start difference. First operand 1544 states and 2276 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 4 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2024-11-05 11:56:08,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:56:08,649 INFO L93 Difference]: Finished difference Result 3253 states and 4863 transitions. [2024-11-05 11:56:08,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 11:56:08,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 4 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 479 [2024-11-05 11:56:08,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:56:08,659 INFO L225 Difference]: With dead ends: 3253 [2024-11-05 11:56:08,659 INFO L226 Difference]: Without dead ends: 1764 [2024-11-05 11:56:08,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 957 GetRequests, 953 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-05 11:56:08,664 INFO L432 NwaCegarLoop]: 939 mSDtfsCounter, 922 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 1780 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-05 11:56:08,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 1780 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-05 11:56:08,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2024-11-05 11:56:08,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 1673. [2024-11-05 11:56:08,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1673 states, 1034 states have (on average 1.3433268858800773) internal successors, (1389), 1111 states have internal predecessors, (1389), 536 states have call successors, (536), 95 states have call predecessors, (536), 102 states have return successors, (569), 524 states have call predecessors, (569), 535 states have call successors, (569) [2024-11-05 11:56:08,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 2494 transitions. [2024-11-05 11:56:08,729 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 2494 transitions. Word has length 479 [2024-11-05 11:56:08,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:56:08,730 INFO L471 AbstractCegarLoop]: Abstraction has 1673 states and 2494 transitions. [2024-11-05 11:56:08,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 4 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2024-11-05 11:56:08,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 2494 transitions. [2024-11-05 11:56:08,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2024-11-05 11:56:08,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:56:08,734 INFO L215 NwaCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:56:08,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (12)] Ended with exit code 0 [2024-11-05 11:56:08,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:56:08,935 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:56:08,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:56:08,936 INFO L85 PathProgramCache]: Analyzing trace with hash 813196748, now seen corresponding path program 1 times [2024-11-05 11:56:08,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:56:08,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [338226966] [2024-11-05 11:56:08,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:56:08,936 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:56:08,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:56:08,937 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:56:08,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (13)] Waiting until timeout for monitored process [2024-11-05 11:56:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:56:09,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 1979 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-05 11:56:09,706 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:56:09,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 525 proven. 0 refuted. 0 times theorem prover too weak. 1579 trivial. 0 not checked. [2024-11-05 11:56:09,843 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:56:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2104 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2091 trivial. 0 not checked. [2024-11-05 11:56:13,889 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:56:13,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [338226966] [2024-11-05 11:56:13,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [338226966] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:56:13,889 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:56:13,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 4 [2024-11-05 11:56:13,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780343206] [2024-11-05 11:56:13,889 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:56:13,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 11:56:13,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:56:13,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 11:56:13,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:56:13,891 INFO L87 Difference]: Start difference. First operand 1673 states and 2494 transitions. Second operand has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 2 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2024-11-05 11:56:17,923 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 11:56:18,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:56:18,379 INFO L93 Difference]: Finished difference Result 3327 states and 4980 transitions. [2024-11-05 11:56:18,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:56:18,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 2 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) Word has length 486 [2024-11-05 11:56:18,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:56:18,391 INFO L225 Difference]: With dead ends: 3327 [2024-11-05 11:56:18,391 INFO L226 Difference]: Without dead ends: 1703 [2024-11-05 11:56:18,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 970 GetRequests, 967 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-05 11:56:18,397 INFO L432 NwaCegarLoop]: 859 mSDtfsCounter, 6 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 23 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-05 11:56:18,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1695 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-05 11:56:18,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1703 states. [2024-11-05 11:56:18,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1703 to 1699. [2024-11-05 11:56:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1699 states, 1060 states have (on average 1.3311320754716982) internal successors, (1411), 1137 states have internal predecessors, (1411), 536 states have call successors, (536), 95 states have call predecessors, (536), 102 states have return successors, (569), 524 states have call predecessors, (569), 535 states have call successors, (569) [2024-11-05 11:56:18,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2516 transitions. [2024-11-05 11:56:18,510 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2516 transitions. Word has length 486 [2024-11-05 11:56:18,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:56:18,512 INFO L471 AbstractCegarLoop]: Abstraction has 1699 states and 2516 transitions. [2024-11-05 11:56:18,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.75) internal successors, (195), 4 states have internal predecessors, (195), 2 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2024-11-05 11:56:18,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2516 transitions. [2024-11-05 11:56:18,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-11-05 11:56:18,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:56:18,517 INFO L215 NwaCegarLoop]: trace histogram [40, 21, 21, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:56:18,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (13)] Ended with exit code 0 [2024-11-05 11:56:18,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:56:18,719 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:56:18,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:56:18,720 INFO L85 PathProgramCache]: Analyzing trace with hash -284098696, now seen corresponding path program 1 times [2024-11-05 11:56:18,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:56:18,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2062410070] [2024-11-05 11:56:18,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:56:18,720 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:56:18,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:56:18,722 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:56:18,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (14)] Waiting until timeout for monitored process [2024-11-05 11:56:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:56:19,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 1996 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 11:56:19,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:56:25,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2140 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 1805 trivial. 0 not checked. [2024-11-05 11:56:25,454 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 11:56:31,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2140 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2127 trivial. 0 not checked. [2024-11-05 11:56:31,076 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 11:56:31,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2062410070] [2024-11-05 11:56:31,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2062410070] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 11:56:31,076 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 11:56:31,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-05 11:56:31,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614277541] [2024-11-05 11:56:31,081 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 11:56:31,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 11:56:31,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 11:56:31,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 11:56:31,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:56:31,087 INFO L87 Difference]: Start difference. First operand 1699 states and 2516 transitions. Second operand has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 3 states have call successors, (106), 3 states have call predecessors, (106), 3 states have return successors, (105), 3 states have call predecessors, (105), 3 states have call successors, (105) [2024-11-05 11:56:31,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 11:56:31,172 INFO L93 Difference]: Finished difference Result 3343 states and 4968 transitions. [2024-11-05 11:56:31,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 11:56:31,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 3 states have call successors, (106), 3 states have call predecessors, (106), 3 states have return successors, (105), 3 states have call predecessors, (105), 3 states have call successors, (105) Word has length 492 [2024-11-05 11:56:31,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 11:56:31,183 INFO L225 Difference]: With dead ends: 3343 [2024-11-05 11:56:31,184 INFO L226 Difference]: Without dead ends: 1699 [2024-11-05 11:56:31,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 982 GetRequests, 981 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 11:56:31,190 INFO L432 NwaCegarLoop]: 868 mSDtfsCounter, 707 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 11:56:31,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 868 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 11:56:31,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2024-11-05 11:56:31,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1699. [2024-11-05 11:56:31,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1699 states, 1060 states have (on average 1.3254716981132075) internal successors, (1405), 1137 states have internal predecessors, (1405), 536 states have call successors, (536), 95 states have call predecessors, (536), 102 states have return successors, (569), 524 states have call predecessors, (569), 535 states have call successors, (569) [2024-11-05 11:56:31,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2510 transitions. [2024-11-05 11:56:31,270 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2510 transitions. Word has length 492 [2024-11-05 11:56:31,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 11:56:31,271 INFO L471 AbstractCegarLoop]: Abstraction has 1699 states and 2510 transitions. [2024-11-05 11:56:31,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 3 states have call successors, (106), 3 states have call predecessors, (106), 3 states have return successors, (105), 3 states have call predecessors, (105), 3 states have call successors, (105) [2024-11-05 11:56:31,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2510 transitions. [2024-11-05 11:56:31,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2024-11-05 11:56:31,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 11:56:31,276 INFO L215 NwaCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:56:31,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (14)] Forceful destruction successful, exit code 0 [2024-11-05 11:56:31,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:56:31,480 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 11:56:31,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 11:56:31,481 INFO L85 PathProgramCache]: Analyzing trace with hash -807129265, now seen corresponding path program 1 times [2024-11-05 11:56:31,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 11:56:31,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107402912] [2024-11-05 11:56:31,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 11:56:31,481 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-05 11:56:31,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-05 11:56:31,483 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-05 11:56:31,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (15)] Waiting until timeout for monitored process [2024-11-05 11:56:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 11:56:32,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 1992 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-05 11:56:32,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 11:56:37,596 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-05 11:56:37,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17