/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 'cvc5 --incremental --print-success --lang smt' -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-356b6ba-m [2024-11-01 11:05:59,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 11:05:59,364 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 11:05:59,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 11:05:59,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 11:05:59,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 11:05:59,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 11:05:59,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 11:05:59,398 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 11:05:59,398 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 11:05:59,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 11:05:59,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 11:05:59,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 11:05:59,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 11:05:59,400 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 11:05:59,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 11:05:59,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 11:05:59,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 11:05:59,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 11:05:59,401 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 11:05:59,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 11:05:59,402 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 11:05:59,402 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 11:05:59,402 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 11:05:59,402 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 11:05:59,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 11:05:59,403 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 11:05:59,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 11:05:59,403 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 11:05:59,403 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 11:05:59,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 11:05:59,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 11:05:59,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 11:05:59,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 11:05:59,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 11:05:59,404 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 11:05:59,405 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 11:05:59,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 11:05:59,405 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 11:05:59,408 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 11:05:59,408 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 11:05:59,408 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 11:05:59,408 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-01 11:05:59,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 11:05:59,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 11:05:59,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 11:05:59,693 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 11:05:59,693 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 11:05:59,694 INFO L431 ainManager$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 [2024-11-01 11:06:00,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 11:06:01,266 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 11:06:01,266 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 [2024-11-01 11:06:01,297 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85b847700/ed4772d0311a43b09236a1c8a6bbd9d0/FLAG62577d866 [2024-11-01 11:06:01,499 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85b847700/ed4772d0311a43b09236a1c8a6bbd9d0 [2024-11-01 11:06:01,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 11:06:01,503 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 11:06:01,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 11:06:01,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 11:06:01,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 11:06:01,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 11:06:01" (1/1) ... [2024-11-01 11:06:01,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40494ab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:06:01, skipping insertion in model container [2024-11-01 11:06:01,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 11:06:01" (1/1) ... [2024-11-01 11:06:01,614 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 11:06:02,269 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 11:06:02,270 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 11:06:02,321 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 11:06:02,321 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 11:06:02,326 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 11:06:02,326 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 11:06:02,326 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 11:06:02,327 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 11:06:02,327 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 11:06:02,327 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 11:06:02,327 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 11:06:02,328 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 11:06:02,328 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 11:06:02,340 WARN L251 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] [2024-11-01 11:06:02,387 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 11:06:02,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 11:06:02,411 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 11:06:02,466 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] [2024-11-01 11:06:02,471 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3126] [2024-11-01 11:06:02,472 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] [2024-11-01 11:06:02,472 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] [2024-11-01 11:06:02,480 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3164] [2024-11-01 11:06:02,480 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3172] [2024-11-01 11:06:02,501 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] [2024-11-01 11:06:02,504 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] [2024-11-01 11:06:02,505 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] [2024-11-01 11:06:02,505 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] [2024-11-01 11:06:02,505 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] [2024-11-01 11:06:02,505 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] [2024-11-01 11:06:02,506 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] [2024-11-01 11:06:02,506 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] [2024-11-01 11:06:02,506 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] [2024-11-01 11:06:02,506 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] [2024-11-01 11:06:02,507 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] [2024-11-01 11:06:02,507 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] [2024-11-01 11:06:02,509 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] [2024-11-01 11:06:02,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (uarg.i): "ebx"); [3837-3838] [2024-11-01 11:06:02,510 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] [2024-11-01 11:06:02,510 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] [2024-11-01 11:06:02,510 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] [2024-11-01 11:06:02,510 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] [2024-11-01 11:06:02,526 WARN L251 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] [2024-11-01 11:06:02,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 11:06:02,572 INFO L204 MainTranslator]: Completed translation [2024-11-01 11:06:02,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:06:02 WrapperNode [2024-11-01 11:06:02,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 11:06:02,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 11:06:02,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 11:06:02,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 11:06:02,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:06:02" (1/1) ... [2024-11-01 11:06:02,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:06:02" (1/1) ... [2024-11-01 11:06:02,660 INFO L138 Inliner]: procedures = 105, calls = 407, calls flagged for inlining = 31, calls inlined = 28, statements flattened = 1200 [2024-11-01 11:06:02,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 11:06:02,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 11:06:02,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 11:06:02,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 11:06:02,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:06:02" (1/1) ... [2024-11-01 11:06:02,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:06:02" (1/1) ... [2024-11-01 11:06:02,690 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:06:02" (1/1) ... [2024-11-01 11:06:02,786 INFO L175 MemorySlicer]: Split 104 memory accesses to 11 slices as follows [1, 2, 9, 2, 3, 34, 0, 29, 3, 13, 8]. 33 percent of accesses are in the largest equivalence class. The 40 initializations are split as follows [0, 2, 0, 0, 3, 34, 0, 0, 1, 0, 0]. The 50 writes are split as follows [1, 0, 2, 1, 0, 0, 0, 29, 1, 12, 4]. [2024-11-01 11:06:02,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:06:02" (1/1) ... [2024-11-01 11:06:02,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:06:02" (1/1) ... [2024-11-01 11:06:02,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:06:02" (1/1) ... [2024-11-01 11:06:02,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:06:02" (1/1) ... [2024-11-01 11:06:02,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:06:02" (1/1) ... [2024-11-01 11:06:02,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:06:02" (1/1) ... [2024-11-01 11:06:02,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 11:06:02,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 11:06:02,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 11:06:02,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 11:06:02,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:06:02" (1/1) ... [2024-11-01 11:06:02,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 11:06:02,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 11:06:02,896 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) [2024-11-01 11:06:02,899 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 [2024-11-01 11:06:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_stop [2024-11-01 11:06:02,923 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_stop [2024-11-01 11:06:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_write [2024-11-01 11:06:02,923 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_write [2024-11-01 11:06:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_update_timeout [2024-11-01 11:06:02,923 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_update_timeout [2024-11-01 11:06:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-01 11:06:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-01 11:06:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-01 11:06:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-01 11:06:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-01 11:06:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-01 11:06:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-01 11:06:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-01 11:06:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-01 11:06:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-01 11:06:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-11-01 11:06:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 11:06:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 11:06:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 11:06:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 11:06:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 11:06:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 11:06:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-01 11:06:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-01 11:06:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-01 11:06:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-01 11:06:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-01 11:06:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 11:06:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 11:06:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 11:06:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 11:06:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 11:06:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 11:06:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-01 11:06:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-01 11:06:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-01 11:06:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-01 11:06:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-01 11:06:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-01 11:06:02,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-01 11:06:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-01 11:06:02,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-01 11:06:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_round_time [2024-11-01 11:06:02,927 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_round_time [2024-11-01 11:06:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2024-11-01 11:06:02,927 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2024-11-01 11:06:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-01 11:06:02,927 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-01 11:06:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure superio_exit [2024-11-01 11:06:02,927 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_exit [2024-11-01 11:06:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-01 11:06:02,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-01 11:06:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 11:06:02,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 11:06:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2024-11-01 11:06:02,927 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2024-11-01 11:06:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-01 11:06:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-01 11:06:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-01 11:06:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-01 11:06:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-01 11:06:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-01 11:06:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-01 11:06:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-01 11:06:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-01 11:06:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-01 11:06:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2024-11-01 11:06:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-01 11:06:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-01 11:06:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-01 11:06:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-01 11:06:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-01 11:06:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-01 11:06:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-01 11:06:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-01 11:06:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-01 11:06:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-01 11:06:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2024-11-01 11:06:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-01 11:06:02,929 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-01 11:06:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure superio_enter [2024-11-01 11:06:02,929 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_enter [2024-11-01 11:06:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-01 11:06:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-01 11:06:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 11:06:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 11:06:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_keepalive [2024-11-01 11:06:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_keepalive [2024-11-01 11:06:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2024-11-01 11:06:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2024-11-01 11:06:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb [2024-11-01 11:06:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb [2024-11-01 11:06:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 11:06:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-01 11:06:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-01 11:06:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-01 11:06:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-01 11:06:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 11:06:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2024-11-01 11:06:02,931 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2024-11-01 11:06:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outw [2024-11-01 11:06:02,931 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outw [2024-11-01 11:06:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 11:06:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 11:06:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 11:06:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 11:06:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 11:06:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 11:06:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-01 11:06:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-01 11:06:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-01 11:06:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-01 11:06:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-01 11:06:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-01 11:06:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 11:06:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 11:06:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 11:06:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 11:06:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 11:06:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 11:06:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-01 11:06:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-01 11:06:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-01 11:06:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-01 11:06:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-01 11:06:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-01 11:06:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-01 11:06:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-01 11:06:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-01 11:06:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-01 11:06:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-01 11:06:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-01 11:06:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-01 11:06:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-01 11:06:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-01 11:06:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2024-11-01 11:06:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 11:06:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 11:06:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 11:06:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 11:06:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 11:06:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 11:06:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 11:06:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-01 11:06:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-01 11:06:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-01 11:06:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-01 11:06:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-01 11:06:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-01 11:06:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-01 11:06:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-01 11:06:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-01 11:06:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-01 11:06:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-01 11:06:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-01 11:06:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-01 11:06:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-01 11:06:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-01 11:06:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-01 11:06:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-01 11:06:02,934 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-01 11:06:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 11:06:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 11:06:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 11:06:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 11:06:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 11:06:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 11:06:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-01 11:06:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-01 11:06:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-01 11:06:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-01 11:06:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-01 11:06:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-01 11:06:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-01 11:06:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-01 11:06:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-01 11:06:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-01 11:06:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-01 11:06:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-01 11:06:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-01 11:06:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-01 11:06:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-01 11:06:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-01 11:06:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-01 11:06:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-01 11:06:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-01 11:06:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-01 11:06:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-01 11:06:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-01 11:06:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-01 11:06:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-01 11:06:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-01 11:06:02,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-01 11:06:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#10 [2024-11-01 11:06:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-01 11:06:02,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-01 11:06:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_start [2024-11-01 11:06:02,937 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_start [2024-11-01 11:06:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-01 11:06:02,937 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-01 11:06:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-01 11:06:02,937 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-01 11:06:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-01 11:06:02,937 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-01 11:06:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-01 11:06:02,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-01 11:06:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-01 11:06:02,937 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-01 11:06:02,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 11:06:02,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 11:06:03,225 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 11:06:03,227 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 11:06:03,333 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-01 11:06:13,745 INFO L? ?]: Removed 480 outVars from TransFormulas that were not future-live. [2024-11-01 11:06:13,745 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 11:06:13,779 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 11:06:13,780 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-01 11:06:13,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 11:06:13 BoogieIcfgContainer [2024-11-01 11:06:13,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 11:06:13,786 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 11:06:13,786 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 11:06:13,789 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 11:06:13,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 11:06:01" (1/3) ... [2024-11-01 11:06:13,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bec214a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 11:06:13, skipping insertion in model container [2024-11-01 11:06:13,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 11:06:02" (2/3) ... [2024-11-01 11:06:13,792 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bec214a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 11:06:13, skipping insertion in model container [2024-11-01 11:06:13,792 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 11:06:13" (3/3) ... [2024-11-01 11:06:13,795 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2024-11-01 11:06:13,811 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 11:06:13,812 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 11:06:13,910 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 11:06:13,917 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;@295c5fb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 11:06:13,918 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 11:06:13,926 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) [2024-11-01 11:06:13,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-01 11:06:13,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 11:06:13,954 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] [2024-11-01 11:06:13,956 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 11:06:13,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 11:06:13,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1201237634, now seen corresponding path program 1 times [2024-11-01 11:06:13,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 11:06:13,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [403796051] [2024-11-01 11:06:13,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 11:06:13,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 11:06:13,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 11:06:13,998 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 11:06:14,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-01 11:06:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 11:06:14,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-01 11:06:14,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 11:06:14,579 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-01 11:06:14,580 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 11:06:15,853 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-01 11:06:15,854 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 11:06:15,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [403796051] [2024-11-01 11:06:15,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [403796051] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-01 11:06:15,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-01 11:06:15,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-01 11:06:15,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888310986] [2024-11-01 11:06:15,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-01 11:06:15,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-01 11:06:15,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 11:06:15,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-01 11:06:15,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-01 11:06:15,882 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 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-01 11:06:15,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 11:06:15,969 INFO L93 Difference]: Finished difference Result 1175 states and 1803 transitions. [2024-11-01 11:06:15,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-01 11:06:15,972 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 137 [2024-11-01 11:06:15,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 11:06:15,986 INFO L225 Difference]: With dead ends: 1175 [2024-11-01 11:06:15,986 INFO L226 Difference]: Without dead ends: 579 [2024-11-01 11:06:15,993 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 [2024-11-01 11:06:15,995 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 [2024-11-01 11:06:15,996 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] [2024-11-01 11:06:16,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-11-01 11:06:16,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2024-11-01 11:06:16,072 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) [2024-11-01 11:06:16,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 872 transitions. [2024-11-01 11:06:16,083 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 872 transitions. Word has length 137 [2024-11-01 11:06:16,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 11:06:16,084 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 872 transitions. [2024-11-01 11:06:16,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-01 11:06:16,085 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 872 transitions. [2024-11-01 11:06:16,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-01 11:06:16,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 11:06:16,096 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] [2024-11-01 11:06:16,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-01 11:06:16,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-01 11:06:16,297 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 11:06:16,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 11:06:16,298 INFO L85 PathProgramCache]: Analyzing trace with hash -2139712646, now seen corresponding path program 1 times [2024-11-01 11:06:16,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 11:06:16,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [169661302] [2024-11-01 11:06:16,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 11:06:16,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 11:06:16,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 11:06:16,302 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 11:06:16,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-01 11:06:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 11:06:16,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 11:06:16,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 11:06:20,381 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-01 11:06:20,382 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 11:06:22,839 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-11-01 11:06:22,839 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 11:06:22,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [169661302] [2024-11-01 11:06:22,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [169661302] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 11:06:22,839 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 11:06:22,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-01 11:06:22,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795631073] [2024-11-01 11:06:22,840 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 11:06:22,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 11:06:22,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 11:06:22,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 11:06:22,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 11:06:22,842 INFO L87 Difference]: Start difference. First operand 579 states and 872 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2024-11-01 11:06:22,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 11:06:22,967 INFO L93 Difference]: Finished difference Result 1130 states and 1706 transitions. [2024-11-01 11:06:22,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 11:06:22,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 137 [2024-11-01 11:06:22,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 11:06:22,981 INFO L225 Difference]: With dead ends: 1130 [2024-11-01 11:06:22,981 INFO L226 Difference]: Without dead ends: 1091 [2024-11-01 11:06:22,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 11:06:22,986 INFO L432 NwaCegarLoop]: 968 mSDtfsCounter, 793 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 1800 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 [2024-11-01 11:06:22,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [793 Valid, 1800 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 11:06:22,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2024-11-01 11:06:23,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1091. [2024-11-01 11:06:23,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 688 states have (on average 1.385174418604651) internal successors, (953), 736 states have internal predecessors, (953), 345 states have call successors, (345), 58 states have call predecessors, (345), 57 states have return successors, (344), 336 states have call predecessors, (344), 344 states have call successors, (344) [2024-11-01 11:06:23,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1642 transitions. [2024-11-01 11:06:23,072 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1642 transitions. Word has length 137 [2024-11-01 11:06:23,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 11:06:23,073 INFO L471 AbstractCegarLoop]: Abstraction has 1091 states and 1642 transitions. [2024-11-01 11:06:23,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2024-11-01 11:06:23,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1642 transitions. [2024-11-01 11:06:23,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-01 11:06:23,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 11:06:23,086 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-01 11:06:23,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-01 11:06:23,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-01 11:06:23,287 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 11:06:23,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 11:06:23,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1566778120, now seen corresponding path program 1 times [2024-11-01 11:06:23,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 11:06:23,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1607177251] [2024-11-01 11:06:23,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 11:06:23,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 11:06:23,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 11:06:23,291 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 11:06:23,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-01 11:06:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 11:06:23,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 11:06:23,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 11:06:23,966 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-11-01 11:06:23,967 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 11:06:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-11-01 11:06:25,977 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 11:06:25,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1607177251] [2024-11-01 11:06:25,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1607177251] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 11:06:25,978 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 11:06:25,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 11:06:25,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037047523] [2024-11-01 11:06:25,978 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 11:06:25,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 11:06:25,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 11:06:25,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 11:06:25,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 11:06:25,980 INFO L87 Difference]: Start difference. First operand 1091 states and 1642 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (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) [2024-11-01 11:06:26,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 11:06:26,347 INFO L93 Difference]: Finished difference Result 2642 states and 3953 transitions. [2024-11-01 11:06:26,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 11:06:26,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (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 188 [2024-11-01 11:06:26,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 11:06:26,369 INFO L225 Difference]: With dead ends: 2642 [2024-11-01 11:06:26,369 INFO L226 Difference]: Without dead ends: 1579 [2024-11-01 11:06:26,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 11:06:26,378 INFO L432 NwaCegarLoop]: 878 mSDtfsCounter, 430 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-01 11:06:26,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 1671 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-01 11:06:26,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2024-11-01 11:06:26,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 1570. [2024-11-01 11:06:26,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 969 states have (on average 1.370485036119711) internal successors, (1328), 1037 states have internal predecessors, (1328), 506 states have call successors, (506), 95 states have call predecessors, (506), 94 states have return successors, (505), 493 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-01 11:06:26,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2339 transitions. [2024-11-01 11:06:26,479 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2339 transitions. Word has length 188 [2024-11-01 11:06:26,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 11:06:26,480 INFO L471 AbstractCegarLoop]: Abstraction has 1570 states and 2339 transitions. [2024-11-01 11:06:26,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (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) [2024-11-01 11:06:26,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2339 transitions. [2024-11-01 11:06:26,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2024-11-01 11:06:26,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 11:06:26,488 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 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, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 11:06:26,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-01 11:06:26,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-01 11:06:26,689 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 11:06:26,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 11:06:26,690 INFO L85 PathProgramCache]: Analyzing trace with hash 720886044, now seen corresponding path program 1 times [2024-11-01 11:06:26,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 11:06:26,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [282407056] [2024-11-01 11:06:26,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 11:06:26,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 11:06:26,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 11:06:26,694 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 11:06:26,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-01 11:06:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 11:06:27,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 1448 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 11:06:27,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 11:06:33,110 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2024-11-01 11:06:33,111 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 11:06:38,495 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 622 trivial. 0 not checked. [2024-11-01 11:06:38,495 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 11:06:38,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [282407056] [2024-11-01 11:06:38,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [282407056] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 11:06:38,496 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 11:06:38,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-01 11:06:38,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779353929] [2024-11-01 11:06:38,496 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 11:06:38,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 11:06:38,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 11:06:38,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 11:06:38,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 11:06:38,498 INFO L87 Difference]: Start difference. First operand 1570 states and 2339 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 3 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (98), 3 states have call predecessors, (98), 3 states have call successors, (98) [2024-11-01 11:06:38,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 11:06:38,573 INFO L93 Difference]: Finished difference Result 3102 states and 4630 transitions. [2024-11-01 11:06:38,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 11:06:38,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 3 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (98), 3 states have call predecessors, (98), 3 states have call successors, (98) Word has length 395 [2024-11-01 11:06:38,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 11:06:38,585 INFO L225 Difference]: With dead ends: 3102 [2024-11-01 11:06:38,586 INFO L226 Difference]: Without dead ends: 1570 [2024-11-01 11:06:38,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 788 GetRequests, 787 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 11:06:38,593 INFO L432 NwaCegarLoop]: 870 mSDtfsCounter, 735 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 870 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 [2024-11-01 11:06:38,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [735 Valid, 870 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 11:06:38,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2024-11-01 11:06:38,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1570. [2024-11-01 11:06:38,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 969 states have (on average 1.3663570691434468) internal successors, (1324), 1037 states have internal predecessors, (1324), 506 states have call successors, (506), 95 states have call predecessors, (506), 94 states have return successors, (505), 493 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-01 11:06:38,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2335 transitions. [2024-11-01 11:06:38,672 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2335 transitions. Word has length 395 [2024-11-01 11:06:38,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 11:06:38,673 INFO L471 AbstractCegarLoop]: Abstraction has 1570 states and 2335 transitions. [2024-11-01 11:06:38,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 3 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (98), 3 states have call predecessors, (98), 3 states have call successors, (98) [2024-11-01 11:06:38,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2335 transitions. [2024-11-01 11:06:38,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-01 11:06:38,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 11:06:38,680 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 11:06:38,686 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-01 11:06:38,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-01 11:06:38,882 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 11:06:38,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 11:06:38,882 INFO L85 PathProgramCache]: Analyzing trace with hash -357643253, now seen corresponding path program 1 times [2024-11-01 11:06:38,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 11:06:38,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [326059850] [2024-11-01 11:06:38,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 11:06:38,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 11:06:38,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 11:06:38,885 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 11:06:38,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-01 11:06:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 11:06:39,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 11:06:39,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 11:06:39,503 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 631 trivial. 0 not checked. [2024-11-01 11:06:39,504 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 11:06:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 631 trivial. 0 not checked. [2024-11-01 11:06:44,028 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 11:06:44,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [326059850] [2024-11-01 11:06:44,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [326059850] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 11:06:44,028 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 11:06:44,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 11:06:44,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026968370] [2024-11-01 11:06:44,028 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 11:06:44,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 11:06:44,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 11:06:44,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 11:06:44,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 11:06:44,030 INFO L87 Difference]: Start difference. First operand 1570 states and 2335 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-01 11:06:44,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 11:06:44,165 INFO L93 Difference]: Finished difference Result 1584 states and 2349 transitions. [2024-11-01 11:06:44,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 11:06:44,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 393 [2024-11-01 11:06:44,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 11:06:44,175 INFO L225 Difference]: With dead ends: 1584 [2024-11-01 11:06:44,175 INFO L226 Difference]: Without dead ends: 1579 [2024-11-01 11:06:44,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 784 GetRequests, 783 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 11:06:44,177 INFO L432 NwaCegarLoop]: 870 mSDtfsCounter, 866 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-01 11:06:44,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 874 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-01 11:06:44,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2024-11-01 11:06:44,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 1572. [2024-11-01 11:06:44,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 971 states have (on average 1.3656024716786819) internal successors, (1326), 1039 states have internal predecessors, (1326), 506 states have call successors, (506), 95 states have call predecessors, (506), 94 states have return successors, (505), 493 states have call predecessors, (505), 505 states have call successors, (505) [2024-11-01 11:06:44,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2337 transitions. [2024-11-01 11:06:44,272 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2337 transitions. Word has length 393 [2024-11-01 11:06:44,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 11:06:44,275 INFO L471 AbstractCegarLoop]: Abstraction has 1572 states and 2337 transitions. [2024-11-01 11:06:44,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-01 11:06:44,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2337 transitions. [2024-11-01 11:06:44,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-01 11:06:44,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 11:06:44,282 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 11:06:44,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-01 11:06:44,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-01 11:06:44,484 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 11:06:44,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 11:06:44,484 INFO L85 PathProgramCache]: Analyzing trace with hash -300384951, now seen corresponding path program 1 times [2024-11-01 11:06:44,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 11:06:44,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [513832941] [2024-11-01 11:06:44,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 11:06:44,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 11:06:44,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 11:06:44,488 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 11:06:44,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-01 11:06:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 11:06:45,114 WARN L253 TraceCheckSpWp]: Trace formula consists of 1437 conjuncts, 807 conjuncts are in the unsatisfiable core [2024-11-01 11:06:45,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 11:06:47,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-01 11:06:48,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-01 11:07:25,343 WARN L286 SmtUtils]: Spent 33.99s on a formula simplification. DAG size of input: 773 DAG size of output: 335 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-01 11:07:25,344 INFO L349 Elim1Store]: treesize reduction 3183, result has 18.3 percent of original size [2024-11-01 11:07:25,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 28 select indices, 28 select index equivalence classes, 378 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 33 case distinctions, treesize of input 162 treesize of output 804