/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -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-17387ad-m [2024-11-06 03:18:30,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 03:18:30,392 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 03:18:30,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 03:18:30,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 03:18:30,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 03:18:30,426 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 03:18:30,427 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 03:18:30,427 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 03:18:30,428 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 03:18:30,428 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 03:18:30,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 03:18:30,429 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 03:18:30,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 03:18:30,429 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 03:18:30,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 03:18:30,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 03:18:30,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 03:18:30,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 03:18:30,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 03:18:30,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 03:18:30,436 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 03:18:30,437 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 03:18:30,437 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 03:18:30,437 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 03:18:30,437 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 03:18:30,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 03:18:30,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 03:18:30,438 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 03:18:30,438 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 03:18:30,439 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 03:18:30,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 03:18:30,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 03:18:30,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 03:18:30,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 03:18:30,440 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 03:18:30,440 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 03:18:30,440 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 03:18:30,440 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 03:18:30,440 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 03:18:30,441 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 03:18:30,443 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-06 03:18:30,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 03:18:30,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 03:18:30,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 03:18:30,705 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 03:18:30,706 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 03:18:30,707 INFO L431 ainManager$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 [2024-11-06 03:18:32,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 03:18:32,427 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 03:18:32,427 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 [2024-11-06 03:18:32,460 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df10de816/16b071c426e64dceb5d14eb9326b1795/FLAG0df63b5df [2024-11-06 03:18:32,476 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df10de816/16b071c426e64dceb5d14eb9326b1795 [2024-11-06 03:18:32,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 03:18:32,479 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 03:18:32,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 03:18:32,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 03:18:32,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 03:18:32,485 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 03:18:32" (1/1) ... [2024-11-06 03:18:32,486 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12913334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:18:32, skipping insertion in model container [2024-11-06 03:18:32,486 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 03:18:32" (1/1) ... [2024-11-06 03:18:32,574 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 03:18:33,299 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:18:33,299 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:18:33,364 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:18:33,365 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:18:33,371 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:18:33,371 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:18:33,372 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:18:33,372 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:18:33,372 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:18:33,372 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:18:33,373 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:18:33,373 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:18:33,373 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:18:33,389 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i[120162,120175] [2024-11-06 03:18:33,437 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 03:18:33,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 03:18:33,465 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 03:18:33,549 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] [2024-11-06 03:18:33,551 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] [2024-11-06 03:18:33,552 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] [2024-11-06 03:18:33,554 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] [2024-11-06 03:18:33,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3164] [2024-11-06 03:18:33,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3172] [2024-11-06 03:18:33,588 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] [2024-11-06 03:18:33,594 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] [2024-11-06 03:18:33,595 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] [2024-11-06 03:18:33,595 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] [2024-11-06 03:18:33,596 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] [2024-11-06 03:18:33,596 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] [2024-11-06 03:18:33,598 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] [2024-11-06 03:18:33,599 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] [2024-11-06 03:18:33,599 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] [2024-11-06 03:18:33,599 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] [2024-11-06 03:18:33,599 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] [2024-11-06 03:18:33,600 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] [2024-11-06 03:18:33,602 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] [2024-11-06 03:18:33,603 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] [2024-11-06 03:18:33,603 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] [2024-11-06 03:18:33,604 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] [2024-11-06 03:18:33,604 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] [2024-11-06 03:18:33,604 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] [2024-11-06 03:18:33,634 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i[120162,120175] [2024-11-06 03:18:33,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 03:18:33,685 INFO L204 MainTranslator]: Completed translation [2024-11-06 03:18:33,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:18:33 WrapperNode [2024-11-06 03:18:33,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 03:18:33,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 03:18:33,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 03:18:33,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 03:18:33,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:18:33" (1/1) ... [2024-11-06 03:18:33,737 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:18:33" (1/1) ... [2024-11-06 03:18:33,814 INFO L138 Inliner]: procedures = 105, calls = 407, calls flagged for inlining = 31, calls inlined = 28, statements flattened = 1200 [2024-11-06 03:18:33,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 03:18:33,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 03:18:33,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 03:18:33,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 03:18:33,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:18:33" (1/1) ... [2024-11-06 03:18:33,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:18:33" (1/1) ... [2024-11-06 03:18:33,844 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:18:33" (1/1) ... [2024-11-06 03:18:33,895 INFO L175 MemorySlicer]: Split 104 memory accesses to 11 slices as follows [2, 9, 34, 29, 2, 8, 13, 3, 3, 1, 0]. 33 percent of accesses are in the largest equivalence class. The 40 initializations are split as follows [2, 0, 34, 0, 0, 0, 0, 3, 1, 0, 0]. The 50 writes are split as follows [0, 2, 0, 29, 1, 4, 12, 0, 1, 1, 0]. [2024-11-06 03:18:33,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:18:33" (1/1) ... [2024-11-06 03:18:33,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:18:33" (1/1) ... [2024-11-06 03:18:33,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:18:33" (1/1) ... [2024-11-06 03:18:33,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:18:33" (1/1) ... [2024-11-06 03:18:33,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:18:33" (1/1) ... [2024-11-06 03:18:33,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:18:33" (1/1) ... [2024-11-06 03:18:33,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 03:18:33,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 03:18:33,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 03:18:33,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 03:18:33,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:18:33" (1/1) ... [2024-11-06 03:18:34,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 03:18:34,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 03:18:34,026 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) [2024-11-06 03:18:34,032 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 [2024-11-06 03:18:34,054 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_stop [2024-11-06 03:18:34,055 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_stop [2024-11-06 03:18:34,055 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_write [2024-11-06 03:18:34,055 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_write [2024-11-06 03:18:34,055 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_update_timeout [2024-11-06 03:18:34,055 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_update_timeout [2024-11-06 03:18:34,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 03:18:34,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 03:18:34,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 03:18:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 03:18:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 03:18:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 03:18:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-06 03:18:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-06 03:18:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-06 03:18:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-06 03:18:34,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-11-06 03:18:34,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-06 03:18:34,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-06 03:18:34,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-06 03:18:34,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-06 03:18:34,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-06 03:18:34,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-06 03:18:34,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-06 03:18:34,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-06 03:18:34,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-06 03:18:34,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-06 03:18:34,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-06 03:18:34,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 03:18:34,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 03:18:34,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 03:18:34,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 03:18:34,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 03:18:34,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 03:18:34,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-06 03:18:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-06 03:18:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-06 03:18:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-06 03:18:34,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-06 03:18:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-06 03:18:34,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-06 03:18:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-06 03:18:34,061 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-06 03:18:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_round_time [2024-11-06 03:18:34,061 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_round_time [2024-11-06 03:18:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2024-11-06 03:18:34,061 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2024-11-06 03:18:34,061 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-06 03:18:34,062 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-06 03:18:34,062 INFO L130 BoogieDeclarations]: Found specification of procedure superio_exit [2024-11-06 03:18:34,062 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_exit [2024-11-06 03:18:34,062 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-06 03:18:34,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-06 03:18:34,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-06 03:18:34,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-06 03:18:34,063 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2024-11-06 03:18:34,063 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2024-11-06 03:18:34,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 03:18:34,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 03:18:34,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 03:18:34,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 03:18:34,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 03:18:34,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 03:18:34,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-06 03:18:34,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-06 03:18:34,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-06 03:18:34,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-06 03:18:34,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2024-11-06 03:18:34,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-06 03:18:34,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-06 03:18:34,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-06 03:18:34,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-06 03:18:34,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-06 03:18:34,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-06 03:18:34,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-06 03:18:34,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-06 03:18:34,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-06 03:18:34,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-06 03:18:34,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2024-11-06 03:18:34,065 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-06 03:18:34,065 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-06 03:18:34,065 INFO L130 BoogieDeclarations]: Found specification of procedure superio_enter [2024-11-06 03:18:34,065 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_enter [2024-11-06 03:18:34,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-06 03:18:34,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-06 03:18:34,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 03:18:34,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 03:18:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_keepalive [2024-11-06 03:18:34,066 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_keepalive [2024-11-06 03:18:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2024-11-06 03:18:34,066 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2024-11-06 03:18:34,066 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb [2024-11-06 03:18:34,067 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb [2024-11-06 03:18:34,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 03:18:34,068 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-06 03:18:34,068 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-06 03:18:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-06 03:18:34,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-06 03:18:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 03:18:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2024-11-06 03:18:34,069 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2024-11-06 03:18:34,069 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outw [2024-11-06 03:18:34,069 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outw [2024-11-06 03:18:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 03:18:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 03:18:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 03:18:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 03:18:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 03:18:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-06 03:18:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-06 03:18:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-06 03:18:34,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-06 03:18:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-06 03:18:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-06 03:18:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 03:18:34,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 03:18:34,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 03:18:34,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 03:18:34,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 03:18:34,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 03:18:34,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-06 03:18:34,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-06 03:18:34,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-06 03:18:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-06 03:18:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-06 03:18:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-06 03:18:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 03:18:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 03:18:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 03:18:34,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 03:18:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 03:18:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-06 03:18:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-06 03:18:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-06 03:18:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-06 03:18:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-06 03:18:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2024-11-06 03:18:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 03:18:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-06 03:18:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-06 03:18:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-06 03:18:34,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-06 03:18:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-06 03:18:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-06 03:18:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-06 03:18:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-06 03:18:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-06 03:18:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-06 03:18:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-06 03:18:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 03:18:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 03:18:34,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 03:18:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 03:18:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-06 03:18:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-06 03:18:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-06 03:18:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-06 03:18:34,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-06 03:18:34,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-06 03:18:34,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-06 03:18:34,078 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-06 03:18:34,078 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-06 03:18:34,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 03:18:34,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 03:18:34,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 03:18:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 03:18:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 03:18:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 03:18:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-06 03:18:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-06 03:18:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-06 03:18:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-06 03:18:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-06 03:18:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-06 03:18:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-06 03:18:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-06 03:18:34,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-06 03:18:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-06 03:18:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-06 03:18:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-06 03:18:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-06 03:18:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-06 03:18:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-06 03:18:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-06 03:18:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-06 03:18:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-06 03:18:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-06 03:18:34,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-06 03:18:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-06 03:18:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-06 03:18:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-06 03:18:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-06 03:18:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-06 03:18:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-06 03:18:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#10 [2024-11-06 03:18:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-06 03:18:34,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-06 03:18:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_start [2024-11-06 03:18:34,081 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_start [2024-11-06 03:18:34,081 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-06 03:18:34,082 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-06 03:18:34,082 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-06 03:18:34,082 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-06 03:18:34,082 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-06 03:18:34,083 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-06 03:18:34,083 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-06 03:18:34,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-06 03:18:34,083 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-06 03:18:34,083 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-06 03:18:34,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 03:18:34,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 03:18:34,501 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 03:18:34,503 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 03:18:34,635 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-06 03:18:42,815 INFO L? ?]: Removed 480 outVars from TransFormulas that were not future-live. [2024-11-06 03:18:42,815 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 03:18:42,849 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 03:18:42,849 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-06 03:18:42,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 03:18:42 BoogieIcfgContainer [2024-11-06 03:18:42,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 03:18:42,856 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 03:18:42,856 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 03:18:42,861 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 03:18:42,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 03:18:32" (1/3) ... [2024-11-06 03:18:42,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4fb4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 03:18:42, skipping insertion in model container [2024-11-06 03:18:42,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:18:33" (2/3) ... [2024-11-06 03:18:42,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4fb4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 03:18:42, skipping insertion in model container [2024-11-06 03:18:42,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 03:18:42" (3/3) ... [2024-11-06 03:18:42,864 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2024-11-06 03:18:42,879 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 03:18:42,879 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 03:18:42,963 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 03:18:42,974 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;@1cbb965c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 03:18:42,974 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 03:18:42,982 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) [2024-11-06 03:18:43,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-06 03:18:43,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:18:43,002 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] [2024-11-06 03:18:43,002 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:18:43,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:18:43,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1201237634, now seen corresponding path program 1 times [2024-11-06 03:18:43,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:18:43,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1983261659] [2024-11-06 03:18:43,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:18:43,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:18:43,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:18:43,024 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:18:43,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-06 03:18:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:18:44,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 03:18:44,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:18:44,128 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-06 03:18:44,129 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:18:44,129 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:18:44,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1983261659] [2024-11-06 03:18:44,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1983261659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:18:44,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:18:44,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 03:18:44,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730896985] [2024-11-06 03:18:44,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:18:44,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 03:18:44,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:18:44,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 03:18:44,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 03:18:44,168 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 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-06 03:18:44,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:18:44,271 INFO L93 Difference]: Finished difference Result 1175 states and 1803 transitions. [2024-11-06 03:18:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 03:18:44,273 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 137 [2024-11-06 03:18:44,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:18:44,287 INFO L225 Difference]: With dead ends: 1175 [2024-11-06 03:18:44,287 INFO L226 Difference]: Without dead ends: 579 [2024-11-06 03:18:44,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 03:18:44,296 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 [2024-11-06 03:18:44,297 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] [2024-11-06 03:18:44,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-11-06 03:18:44,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2024-11-06 03:18:44,409 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) [2024-11-06 03:18:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 872 transitions. [2024-11-06 03:18:44,419 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 872 transitions. Word has length 137 [2024-11-06 03:18:44,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:18:44,419 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 872 transitions. [2024-11-06 03:18:44,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-06 03:18:44,419 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 872 transitions. [2024-11-06 03:18:44,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-06 03:18:44,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:18:44,424 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] [2024-11-06 03:18:44,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-06 03:18:44,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:18:44,626 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:18:44,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:18:44,627 INFO L85 PathProgramCache]: Analyzing trace with hash -2139712646, now seen corresponding path program 1 times [2024-11-06 03:18:44,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:18:44,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [118656904] [2024-11-06 03:18:44,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:18:44,628 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:18:44,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:18:44,631 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:18:44,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-06 03:18:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:18:45,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-06 03:18:45,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:18:45,724 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-06 03:18:45,724 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:18:45,724 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:18:45,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [118656904] [2024-11-06 03:18:45,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [118656904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:18:45,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:18:45,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 03:18:45,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994002530] [2024-11-06 03:18:45,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:18:45,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 03:18:45,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:18:45,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 03:18:45,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 03:18:45,727 INFO L87 Difference]: Start difference. First operand 579 states and 872 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 03:18:45,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:18:45,959 INFO L93 Difference]: Finished difference Result 1150 states and 1737 transitions. [2024-11-06 03:18:45,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 03:18:45,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2024-11-06 03:18:45,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:18:45,968 INFO L225 Difference]: With dead ends: 1150 [2024-11-06 03:18:45,968 INFO L226 Difference]: Without dead ends: 580 [2024-11-06 03:18:45,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 03:18:45,975 INFO L432 NwaCegarLoop]: 870 mSDtfsCounter, 0 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2596 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-06 03:18:45,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2596 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-06 03:18:45,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-11-06 03:18:46,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2024-11-06 03:18:46,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 363 states have (on average 1.3774104683195592) internal successors, (500), 390 states have internal predecessors, (500), 187 states have call successors, (187), 30 states have call predecessors, (187), 29 states have return successors, (186), 181 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-06 03:18:46,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 873 transitions. [2024-11-06 03:18:46,028 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 873 transitions. Word has length 137 [2024-11-06 03:18:46,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:18:46,031 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 873 transitions. [2024-11-06 03:18:46,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-06 03:18:46,031 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 873 transitions. [2024-11-06 03:18:46,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-06 03:18:46,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:18:46,034 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:18:46,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-06 03:18:46,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:18:46,236 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:18:46,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:18:46,236 INFO L85 PathProgramCache]: Analyzing trace with hash 2142592682, now seen corresponding path program 1 times [2024-11-06 03:18:46,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:18:46,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [577874586] [2024-11-06 03:18:46,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:18:46,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:18:46,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:18:46,241 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:18:46,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-06 03:18:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:18:47,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 03:18:47,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:18:47,427 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-11-06 03:18:47,427 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 03:18:48,666 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-06 03:18:48,666 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:18:48,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [577874586] [2024-11-06 03:18:48,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [577874586] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 03:18:48,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 03:18:48,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-06 03:18:48,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445476731] [2024-11-06 03:18:48,667 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 03:18:48,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 03:18:48,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:18:48,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 03:18:48,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-06 03:18:48,673 INFO L87 Difference]: Start difference. First operand 580 states and 873 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-06 03:18:49,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:18:49,665 INFO L93 Difference]: Finished difference Result 1161 states and 1755 transitions. [2024-11-06 03:18:49,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-06 03:18:49,666 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 143 [2024-11-06 03:18:49,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:18:49,672 INFO L225 Difference]: With dead ends: 1161 [2024-11-06 03:18:49,672 INFO L226 Difference]: Without dead ends: 590 [2024-11-06 03:18:49,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-06 03:18:49,675 INFO L432 NwaCegarLoop]: 868 mSDtfsCounter, 5 mSDsluCounter, 3443 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4311 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-06 03:18:49,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 4311 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-06 03:18:49,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2024-11-06 03:18:49,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2024-11-06 03:18:49,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 372 states have (on average 1.3763440860215055) internal successors, (512), 399 states have internal predecessors, (512), 187 states have call successors, (187), 31 states have call predecessors, (187), 30 states have return successors, (186), 181 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-06 03:18:49,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 885 transitions. [2024-11-06 03:18:49,718 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 885 transitions. Word has length 143 [2024-11-06 03:18:49,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:18:49,720 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 885 transitions. [2024-11-06 03:18:49,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-06 03:18:49,720 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 885 transitions. [2024-11-06 03:18:49,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-06 03:18:49,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:18:49,723 INFO L215 NwaCegarLoop]: trace histogram [20, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:18:49,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-06 03:18:49,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:18:49,926 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:18:49,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:18:49,927 INFO L85 PathProgramCache]: Analyzing trace with hash 785478458, now seen corresponding path program 2 times [2024-11-06 03:18:49,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:18:49,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396505487] [2024-11-06 03:18:49,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 03:18:49,928 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:18:49,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:18:49,935 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:18:49,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-06 03:18:50,658 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-06 03:18:50,659 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 03:18:50,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 03:18:50,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:18:51,077 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2024-11-06 03:18:51,077 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:18:51,077 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:18:51,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [396505487] [2024-11-06 03:18:51,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [396505487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:18:51,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:18:51,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 03:18:51,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928320811] [2024-11-06 03:18:51,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:18:51,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 03:18:51,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:18:51,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 03:18:51,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 03:18:51,079 INFO L87 Difference]: Start difference. First operand 590 states and 885 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-06 03:18:55,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 03:18:55,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:18:55,757 INFO L93 Difference]: Finished difference Result 1153 states and 1740 transitions. [2024-11-06 03:18:55,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 03:18:55,758 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 157 [2024-11-06 03:18:55,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:18:55,764 INFO L225 Difference]: With dead ends: 1153 [2024-11-06 03:18:55,764 INFO L226 Difference]: Without dead ends: 602 [2024-11-06 03:18:55,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 03:18:55,767 INFO L432 NwaCegarLoop]: 871 mSDtfsCounter, 6 mSDsluCounter, 4326 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 5197 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-06 03:18:55,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 5197 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-06 03:18:55,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-11-06 03:18:55,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 597. [2024-11-06 03:18:55,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 378 states have (on average 1.3703703703703705) internal successors, (518), 405 states have internal predecessors, (518), 187 states have call successors, (187), 31 states have call predecessors, (187), 31 states have return successors, (194), 182 states have call predecessors, (194), 186 states have call successors, (194) [2024-11-06 03:18:55,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 899 transitions. [2024-11-06 03:18:55,795 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 899 transitions. Word has length 157 [2024-11-06 03:18:55,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:18:55,796 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 899 transitions. [2024-11-06 03:18:55,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-06 03:18:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 899 transitions. [2024-11-06 03:18:55,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-06 03:18:55,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:18:55,801 INFO L215 NwaCegarLoop]: trace histogram [20, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:18:55,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-06 03:18:56,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:18:56,002 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:18:56,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:18:56,003 INFO L85 PathProgramCache]: Analyzing trace with hash 842736760, now seen corresponding path program 1 times [2024-11-06 03:18:56,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:18:56,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115723943] [2024-11-06 03:18:56,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:18:56,004 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:18:56,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:18:56,005 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:18:56,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-06 03:18:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:18:56,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 1040 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-06 03:18:56,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:18:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 125 proven. 10 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-11-06 03:18:57,699 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 03:19:00,462 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2024-11-06 03:19:00,463 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:19:00,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115723943] [2024-11-06 03:19:00,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115723943] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 03:19:00,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 03:19:00,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-06 03:19:00,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119792105] [2024-11-06 03:19:00,463 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 03:19:00,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-06 03:19:00,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:19:00,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-06 03:19:00,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-06 03:19:00,466 INFO L87 Difference]: Start difference. First operand 597 states and 899 transitions. Second operand has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-06 03:19:03,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:19:03,567 INFO L93 Difference]: Finished difference Result 1194 states and 1807 transitions. [2024-11-06 03:19:03,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-06 03:19:03,568 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 157 [2024-11-06 03:19:03,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:19:03,574 INFO L225 Difference]: With dead ends: 1194 [2024-11-06 03:19:03,574 INFO L226 Difference]: Without dead ends: 603 [2024-11-06 03:19:03,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=144, Invalid=276, Unknown=0, NotChecked=0, Total=420 [2024-11-06 03:19:03,578 INFO L432 NwaCegarLoop]: 868 mSDtfsCounter, 5 mSDsluCounter, 6025 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 6893 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-06 03:19:03,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 6893 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-06 03:19:03,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-06 03:19:03,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 603. [2024-11-06 03:19:03,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 384 states have (on average 1.3671875) internal successors, (525), 411 states have internal predecessors, (525), 187 states have call successors, (187), 31 states have call predecessors, (187), 31 states have return successors, (194), 182 states have call predecessors, (194), 186 states have call successors, (194) [2024-11-06 03:19:03,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 906 transitions. [2024-11-06 03:19:03,607 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 906 transitions. Word has length 157 [2024-11-06 03:19:03,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:19:03,608 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 906 transitions. [2024-11-06 03:19:03,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-06 03:19:03,608 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 906 transitions. [2024-11-06 03:19:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-06 03:19:03,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:19:03,612 INFO L215 NwaCegarLoop]: trace histogram [36, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:19:03,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-06 03:19:03,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:03,813 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:19:03,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:19:03,814 INFO L85 PathProgramCache]: Analyzing trace with hash 631489656, now seen corresponding path program 2 times [2024-11-06 03:19:03,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:19:03,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1662511266] [2024-11-06 03:19:03,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 03:19:03,814 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:03,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:19:03,816 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:19:03,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-06 03:19:04,517 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-06 03:19:04,517 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 03:19:04,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 03:19:04,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:19:07,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2024-11-06 03:19:07,600 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:19:07,600 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:19:07,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1662511266] [2024-11-06 03:19:07,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1662511266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:19:07,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:19:07,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 03:19:07,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313401079] [2024-11-06 03:19:07,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:19:07,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 03:19:07,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:19:07,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 03:19:07,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:19:07,601 INFO L87 Difference]: Start difference. First operand 603 states and 906 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-06 03:19:07,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:19:07,679 INFO L93 Difference]: Finished difference Result 1161 states and 1754 transitions. [2024-11-06 03:19:07,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 03:19:07,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 173 [2024-11-06 03:19:07,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:19:07,688 INFO L225 Difference]: With dead ends: 1161 [2024-11-06 03:19:07,688 INFO L226 Difference]: Without dead ends: 1117 [2024-11-06 03:19:07,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:19:07,690 INFO L432 NwaCegarLoop]: 968 mSDtfsCounter, 792 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 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 [2024-11-06 03:19:07,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [792 Valid, 1800 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 03:19:07,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2024-11-06 03:19:07,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1117. [2024-11-06 03:19:07,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 711 states have (on average 1.3783403656821378) internal successors, (980), 760 states have internal predecessors, (980), 345 states have call successors, (345), 59 states have call predecessors, (345), 60 states have return successors, (358), 337 states have call predecessors, (358), 344 states have call successors, (358) [2024-11-06 03:19:07,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1683 transitions. [2024-11-06 03:19:07,782 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1683 transitions. Word has length 173 [2024-11-06 03:19:07,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:19:07,782 INFO L471 AbstractCegarLoop]: Abstraction has 1117 states and 1683 transitions. [2024-11-06 03:19:07,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-06 03:19:07,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1683 transitions. [2024-11-06 03:19:07,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-06 03:19:07,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:19:07,789 INFO L215 NwaCegarLoop]: trace histogram [36, 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] [2024-11-06 03:19:07,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-06 03:19:07,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:07,990 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:19:07,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:19:07,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1926054778, now seen corresponding path program 1 times [2024-11-06 03:19:07,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:19:07,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1910136014] [2024-11-06 03:19:07,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:19:07,992 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:07,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:19:07,993 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:19:07,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-06 03:19:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:19:09,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-06 03:19:09,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:19:09,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 537 proven. 3 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2024-11-06 03:19:09,681 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 03:19:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 60 proven. 75 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2024-11-06 03:19:11,692 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:19:11,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1910136014] [2024-11-06 03:19:11,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1910136014] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 03:19:11,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 03:19:11,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-06 03:19:11,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616228683] [2024-11-06 03:19:11,693 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 03:19:11,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-06 03:19:11,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:19:11,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-06 03:19:11,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-06 03:19:11,695 INFO L87 Difference]: Start difference. First operand 1117 states and 1683 transitions. Second operand has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-06 03:19:12,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:19:12,978 INFO L93 Difference]: Finished difference Result 2224 states and 3351 transitions. [2024-11-06 03:19:12,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-06 03:19:12,979 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 224 [2024-11-06 03:19:12,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:19:12,988 INFO L225 Difference]: With dead ends: 2224 [2024-11-06 03:19:12,988 INFO L226 Difference]: Without dead ends: 1117 [2024-11-06 03:19:12,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-06 03:19:12,994 INFO L432 NwaCegarLoop]: 865 mSDtfsCounter, 5 mSDsluCounter, 4297 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 5162 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-06 03:19:12,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 5162 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-06 03:19:12,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2024-11-06 03:19:13,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1117. [2024-11-06 03:19:13,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1117 states, 711 states have (on average 1.3727144866385372) internal successors, (976), 760 states have internal predecessors, (976), 345 states have call successors, (345), 59 states have call predecessors, (345), 60 states have return successors, (358), 337 states have call predecessors, (358), 344 states have call successors, (358) [2024-11-06 03:19:13,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1679 transitions. [2024-11-06 03:19:13,048 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1679 transitions. Word has length 224 [2024-11-06 03:19:13,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:19:13,049 INFO L471 AbstractCegarLoop]: Abstraction has 1117 states and 1679 transitions. [2024-11-06 03:19:13,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.0) internal successors, (110), 10 states have internal predecessors, (110), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-06 03:19:13,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1679 transitions. [2024-11-06 03:19:13,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-06 03:19:13,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:19:13,054 INFO L215 NwaCegarLoop]: trace histogram [40, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:19:13,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-06 03:19:13,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:13,255 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:19:13,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:19:13,256 INFO L85 PathProgramCache]: Analyzing trace with hash 282174662, now seen corresponding path program 2 times [2024-11-06 03:19:13,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:19:13,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [577247270] [2024-11-06 03:19:13,257 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 03:19:13,257 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:13,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:19:13,261 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:19:13,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-06 03:19:16,455 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-06 03:19:16,456 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 03:19:16,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 1395 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 03:19:16,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:19:16,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1193 trivial. 0 not checked. [2024-11-06 03:19:16,696 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:19:16,696 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:19:16,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [577247270] [2024-11-06 03:19:16,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [577247270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:19:16,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:19:16,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 03:19:16,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313732093] [2024-11-06 03:19:16,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:19:16,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 03:19:16,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:19:16,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 03:19:16,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:19:16,699 INFO L87 Difference]: Start difference. First operand 1117 states and 1679 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 03:19:17,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:19:17,069 INFO L93 Difference]: Finished difference Result 2686 states and 4024 transitions. [2024-11-06 03:19:17,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 03:19:17,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 228 [2024-11-06 03:19:17,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:19:17,084 INFO L225 Difference]: With dead ends: 2686 [2024-11-06 03:19:17,084 INFO L226 Difference]: Without dead ends: 1614 [2024-11-06 03:19:17,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:19:17,091 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 [2024-11-06 03:19:17,091 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] [2024-11-06 03:19:17,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2024-11-06 03:19:17,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1600. [2024-11-06 03:19:17,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1600 states, 994 states have (on average 1.3611670020120725) internal successors, (1353), 1065 states have internal predecessors, (1353), 506 states have call successors, (506), 96 states have call predecessors, (506), 99 states have return successors, (525), 494 states have call predecessors, (525), 505 states have call successors, (525) [2024-11-06 03:19:17,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 2384 transitions. [2024-11-06 03:19:17,187 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 2384 transitions. Word has length 228 [2024-11-06 03:19:17,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:19:17,187 INFO L471 AbstractCegarLoop]: Abstraction has 1600 states and 2384 transitions. [2024-11-06 03:19:17,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-06 03:19:17,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 2384 transitions. [2024-11-06 03:19:17,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2024-11-06 03:19:17,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:19:17,198 INFO L215 NwaCegarLoop]: trace histogram [40, 17, 17, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:19:17,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-11-06 03:19:17,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:17,403 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:19:17,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:19:17,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1388021079, now seen corresponding path program 1 times [2024-11-06 03:19:17,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:19:17,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669801073] [2024-11-06 03:19:17,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:19:17,406 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:17,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:19:17,409 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:19:17,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-06 03:19:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:19:19,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 1896 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-06 03:19:19,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:19:20,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 1673 trivial. 0 not checked. [2024-11-06 03:19:20,362 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:19:20,362 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:19:20,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669801073] [2024-11-06 03:19:20,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669801073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:19:20,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:19:20,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-06 03:19:20,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868956915] [2024-11-06 03:19:20,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:19:20,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-06 03:19:20,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:19:20,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-06 03:19:20,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 03:19:20,369 INFO L87 Difference]: Start difference. First operand 1600 states and 2384 transitions. Second operand has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 5 states have internal predecessors, (152), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-06 03:19:20,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:19:20,637 INFO L93 Difference]: Finished difference Result 3165 states and 4782 transitions. [2024-11-06 03:19:20,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 03:19:20,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 5 states have internal predecessors, (152), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) Word has length 444 [2024-11-06 03:19:20,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:19:20,653 INFO L225 Difference]: With dead ends: 3165 [2024-11-06 03:19:20,653 INFO L226 Difference]: Without dead ends: 1620 [2024-11-06 03:19:20,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-06 03:19:20,663 INFO L432 NwaCegarLoop]: 869 mSDtfsCounter, 0 mSDsluCounter, 3471 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4340 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-06 03:19:20,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4340 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-06 03:19:20,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2024-11-06 03:19:20,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 1620. [2024-11-06 03:19:20,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1620 states, 1010 states have (on average 1.3554455445544555) internal successors, (1369), 1081 states have internal predecessors, (1369), 506 states have call successors, (506), 96 states have call predecessors, (506), 103 states have return successors, (537), 498 states have call predecessors, (537), 505 states have call successors, (537) [2024-11-06 03:19:20,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 1620 states and 2412 transitions. [2024-11-06 03:19:20,785 INFO L78 Accepts]: Start accepts. Automaton has 1620 states and 2412 transitions. Word has length 444 [2024-11-06 03:19:20,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:19:20,785 INFO L471 AbstractCegarLoop]: Abstraction has 1620 states and 2412 transitions. [2024-11-06 03:19:20,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 5 states have internal predecessors, (152), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-06 03:19:20,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 2412 transitions. [2024-11-06 03:19:20,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2024-11-06 03:19:20,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:19:20,798 INFO L215 NwaCegarLoop]: trace histogram [40, 17, 17, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:19:20,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-06 03:19:20,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:21,000 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:19:21,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:19:21,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1781791023, now seen corresponding path program 1 times [2024-11-06 03:19:21,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:19:21,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [817065405] [2024-11-06 03:19:21,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:19:21,001 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:21,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:19:21,003 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:19:21,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-06 03:19:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:19:23,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 1935 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 03:19:23,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:19:23,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 406 proven. 0 refuted. 0 times theorem prover too weak. 1447 trivial. 0 not checked. [2024-11-06 03:19:23,925 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:19:23,925 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:19:23,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [817065405] [2024-11-06 03:19:23,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [817065405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:19:23,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:19:23,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 03:19:23,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290367730] [2024-11-06 03:19:23,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:19:23,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 03:19:23,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:19:23,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 03:19:23,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 03:19:23,928 INFO L87 Difference]: Start difference. First operand 1620 states and 2412 transitions. Second operand has 5 states, 5 states have (on average 33.0) internal successors, (165), 4 states have internal predecessors, (165), 2 states have call successors, (58), 2 states have call predecessors, (58), 3 states have return successors, (57), 3 states have call predecessors, (57), 2 states have call successors, (57) [2024-11-06 03:19:24,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:19:24,303 INFO L93 Difference]: Finished difference Result 3193 states and 4772 transitions. [2024-11-06 03:19:24,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 03:19:24,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 4 states have internal predecessors, (165), 2 states have call successors, (58), 2 states have call predecessors, (58), 3 states have return successors, (57), 3 states have call predecessors, (57), 2 states have call successors, (57) Word has length 458 [2024-11-06 03:19:24,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:19:24,319 INFO L225 Difference]: With dead ends: 3193 [2024-11-06 03:19:24,320 INFO L226 Difference]: Without dead ends: 1628 [2024-11-06 03:19:24,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 03:19:24,329 INFO L432 NwaCegarLoop]: 871 mSDtfsCounter, 0 mSDsluCounter, 2596 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3467 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-06 03:19:24,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3467 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-06 03:19:24,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2024-11-06 03:19:24,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1628. [2024-11-06 03:19:24,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1628 states, 1018 states have (on average 1.3526522593320236) internal successors, (1377), 1085 states have internal predecessors, (1377), 506 states have call successors, (506), 96 states have call predecessors, (506), 103 states have return successors, (537), 502 states have call predecessors, (537), 505 states have call successors, (537) [2024-11-06 03:19:24,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1628 states and 2420 transitions. [2024-11-06 03:19:24,430 INFO L78 Accepts]: Start accepts. Automaton has 1628 states and 2420 transitions. Word has length 458 [2024-11-06 03:19:24,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:19:24,431 INFO L471 AbstractCegarLoop]: Abstraction has 1628 states and 2420 transitions. [2024-11-06 03:19:24,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 4 states have internal predecessors, (165), 2 states have call successors, (58), 2 states have call predecessors, (58), 3 states have return successors, (57), 3 states have call predecessors, (57), 2 states have call successors, (57) [2024-11-06 03:19:24,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 2420 transitions. [2024-11-06 03:19:24,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2024-11-06 03:19:24,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:19:24,439 INFO L215 NwaCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:19:24,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-06 03:19:24,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:24,640 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:19:24,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:19:24,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1863415622, now seen corresponding path program 2 times [2024-11-06 03:19:24,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:19:24,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647369819] [2024-11-06 03:19:24,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 03:19:24,644 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:24,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:19:24,648 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:19:24,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-06 03:19:29,193 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-06 03:19:29,193 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 03:19:29,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 1984 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 03:19:29,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:19:32,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2110 backedges. 310 proven. 32 refuted. 0 times theorem prover too weak. 1768 trivial. 0 not checked. [2024-11-06 03:19:32,468 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 03:19:37,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2110 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2097 trivial. 0 not checked. [2024-11-06 03:19:37,514 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:19:37,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1647369819] [2024-11-06 03:19:37,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1647369819] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-06 03:19:37,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-06 03:19:37,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-06 03:19:37,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372472280] [2024-11-06 03:19:37,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:19:37,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 03:19:37,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:19:37,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 03:19:37,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-06 03:19:37,535 INFO L87 Difference]: Start difference. First operand 1628 states and 2420 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 4 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) [2024-11-06 03:19:38,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:19:38,468 INFO L93 Difference]: Finished difference Result 3473 states and 5240 transitions. [2024-11-06 03:19:38,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 03:19:38,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 4 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) Word has length 481 [2024-11-06 03:19:38,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:19:38,487 INFO L225 Difference]: With dead ends: 3473 [2024-11-06 03:19:38,487 INFO L226 Difference]: Without dead ends: 1900 [2024-11-06 03:19:38,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 961 GetRequests, 957 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-06 03:19:38,498 INFO L432 NwaCegarLoop]: 940 mSDtfsCounter, 922 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 922 SdHoareTripleChecker+Valid, 1782 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-06 03:19:38,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [922 Valid, 1782 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-06 03:19:38,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2024-11-06 03:19:38,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1858. [2024-11-06 03:19:38,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1858 states, 1140 states have (on average 1.355263157894737) internal successors, (1545), 1225 states have internal predecessors, (1545), 614 states have call successors, (614), 96 states have call predecessors, (614), 103 states have return successors, (653), 606 states have call predecessors, (653), 613 states have call successors, (653) [2024-11-06 03:19:38,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1858 states and 2812 transitions. [2024-11-06 03:19:38,630 INFO L78 Accepts]: Start accepts. Automaton has 1858 states and 2812 transitions. Word has length 481 [2024-11-06 03:19:38,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:19:38,631 INFO L471 AbstractCegarLoop]: Abstraction has 1858 states and 2812 transitions. [2024-11-06 03:19:38,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 4 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (51), 4 states have call predecessors, (51), 4 states have call successors, (51) [2024-11-06 03:19:38,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2812 transitions. [2024-11-06 03:19:38,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2024-11-06 03:19:38,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:19:38,639 INFO L215 NwaCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:19:38,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2024-11-06 03:19:38,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:38,840 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:19:38,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:19:38,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1064084898, now seen corresponding path program 1 times [2024-11-06 03:19:38,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:19:38,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965328595] [2024-11-06 03:19:38,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:19:38,842 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:38,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:19:38,843 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:19:38,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-06 03:19:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:19:41,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 2001 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 03:19:41,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:19:41,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2110 backedges. 528 proven. 0 refuted. 0 times theorem prover too weak. 1582 trivial. 0 not checked. [2024-11-06 03:19:41,291 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:19:41,291 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:19:41,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965328595] [2024-11-06 03:19:41,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965328595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:19:41,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:19:41,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 03:19:41,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911344494] [2024-11-06 03:19:41,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:19:41,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 03:19:41,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:19:41,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 03:19:41,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:19:41,294 INFO L87 Difference]: Start difference. First operand 1858 states and 2812 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-11-06 03:19:41,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:19:41,763 INFO L93 Difference]: Finished difference Result 3697 states and 5616 transitions. [2024-11-06 03:19:41,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 03:19:41,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 494 [2024-11-06 03:19:41,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:19:41,782 INFO L225 Difference]: With dead ends: 3697 [2024-11-06 03:19:41,782 INFO L226 Difference]: Without dead ends: 1894 [2024-11-06 03:19:41,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:19:41,791 INFO L432 NwaCegarLoop]: 859 mSDtfsCounter, 3 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1698 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-06 03:19:41,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1698 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-06 03:19:41,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2024-11-06 03:19:41,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1894. [2024-11-06 03:19:41,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1894 states, 1176 states have (on average 1.340986394557823) internal successors, (1577), 1261 states have internal predecessors, (1577), 614 states have call successors, (614), 96 states have call predecessors, (614), 103 states have return successors, (653), 606 states have call predecessors, (653), 613 states have call successors, (653) [2024-11-06 03:19:41,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1894 states and 2844 transitions. [2024-11-06 03:19:41,919 INFO L78 Accepts]: Start accepts. Automaton has 1894 states and 2844 transitions. Word has length 494 [2024-11-06 03:19:41,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:19:41,919 INFO L471 AbstractCegarLoop]: Abstraction has 1894 states and 2844 transitions. [2024-11-06 03:19:41,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 2 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2024-11-06 03:19:41,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2844 transitions. [2024-11-06 03:19:41,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2024-11-06 03:19:41,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:19:41,928 INFO L215 NwaCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:19:41,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-11-06 03:19:42,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:42,129 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:19:42,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:19:42,130 INFO L85 PathProgramCache]: Analyzing trace with hash -871836960, now seen corresponding path program 1 times [2024-11-06 03:19:42,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:19:42,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116425667] [2024-11-06 03:19:42,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:19:42,131 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:42,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:19:42,132 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:19:42,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-06 03:19:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:19:44,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 2001 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 03:19:44,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:19:50,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2110 backedges. 310 proven. 0 refuted. 0 times theorem prover too weak. 1800 trivial. 0 not checked. [2024-11-06 03:19:50,670 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:19:50,670 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:19:50,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1116425667] [2024-11-06 03:19:50,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1116425667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:19:50,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:19:50,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 03:19:50,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656801214] [2024-11-06 03:19:50,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:19:50,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 03:19:50,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:19:50,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 03:19:50,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:19:50,673 INFO L87 Difference]: Start difference. First operand 1894 states and 2844 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2024-11-06 03:19:50,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:19:50,825 INFO L93 Difference]: Finished difference Result 3733 states and 5624 transitions. [2024-11-06 03:19:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 03:19:50,829 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 494 [2024-11-06 03:19:50,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:19:50,854 INFO L225 Difference]: With dead ends: 3733 [2024-11-06 03:19:50,854 INFO L226 Difference]: Without dead ends: 1894 [2024-11-06 03:19:50,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 492 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 03:19:50,864 INFO L432 NwaCegarLoop]: 868 mSDtfsCounter, 707 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 03:19:50,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 868 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 03:19:50,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2024-11-06 03:19:50,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1894. [2024-11-06 03:19:50,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1894 states, 1176 states have (on average 1.3341836734693877) internal successors, (1569), 1261 states have internal predecessors, (1569), 614 states have call successors, (614), 96 states have call predecessors, (614), 103 states have return successors, (653), 606 states have call predecessors, (653), 613 states have call successors, (653) [2024-11-06 03:19:51,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1894 states and 2836 transitions. [2024-11-06 03:19:51,021 INFO L78 Accepts]: Start accepts. Automaton has 1894 states and 2836 transitions. Word has length 494 [2024-11-06 03:19:51,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:19:51,022 INFO L471 AbstractCegarLoop]: Abstraction has 1894 states and 2836 transitions. [2024-11-06 03:19:51,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 2 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2024-11-06 03:19:51,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2836 transitions. [2024-11-06 03:19:51,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2024-11-06 03:19:51,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:19:51,030 INFO L215 NwaCegarLoop]: trace histogram [40, 21, 21, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:19:51,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-06 03:19:51,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:51,231 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:19:51,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:19:51,232 INFO L85 PathProgramCache]: Analyzing trace with hash -162756013, now seen corresponding path program 1 times [2024-11-06 03:19:51,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:19:51,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967900835] [2024-11-06 03:19:51,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:19:51,233 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:51,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:19:51,235 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:19:51,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-06 03:19:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 03:19:54,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 2031 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-06 03:19:54,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 03:19:54,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2149 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 2054 trivial. 0 not checked. [2024-11-06 03:19:54,415 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 03:19:54,416 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 03:19:54,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [967900835] [2024-11-06 03:19:54,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [967900835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 03:19:54,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 03:19:54,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-06 03:19:54,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636942793] [2024-11-06 03:19:54,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 03:19:54,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 03:19:54,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 03:19:54,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 03:19:54,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 03:19:54,419 INFO L87 Difference]: Start difference. First operand 1894 states and 2836 transitions. Second operand has 5 states, 5 states have (on average 33.8) internal successors, (169), 5 states have internal predecessors, (169), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2024-11-06 03:19:58,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 03:19:58,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 03:19:58,944 INFO L93 Difference]: Finished difference Result 3744 states and 5621 transitions. [2024-11-06 03:19:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 03:19:58,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 5 states have internal predecessors, (169), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 506 [2024-11-06 03:19:58,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 03:19:58,963 INFO L225 Difference]: With dead ends: 3744 [2024-11-06 03:19:58,963 INFO L226 Difference]: Without dead ends: 1784 [2024-11-06 03:19:58,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 03:19:58,974 INFO L432 NwaCegarLoop]: 869 mSDtfsCounter, 12 mSDsluCounter, 2558 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 3427 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-06 03:19:58,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 3427 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-06 03:19:58,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2024-11-06 03:19:59,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1699. [2024-11-06 03:19:59,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1699 states, 1060 states have (on average 1.3254716981132075) internal successors, (1405), 1137 states have internal predecessors, (1405), 536 states have call successors, (536), 95 states have call predecessors, (536), 102 states have return successors, (569), 524 states have call predecessors, (569), 535 states have call successors, (569) [2024-11-06 03:19:59,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2510 transitions. [2024-11-06 03:19:59,151 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2510 transitions. Word has length 506 [2024-11-06 03:19:59,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 03:19:59,152 INFO L471 AbstractCegarLoop]: Abstraction has 1699 states and 2510 transitions. [2024-11-06 03:19:59,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 5 states have internal predecessors, (169), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2024-11-06 03:19:59,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2510 transitions. [2024-11-06 03:19:59,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2024-11-06 03:19:59,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 03:19:59,159 INFO L215 NwaCegarLoop]: trace histogram [40, 21, 21, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 03:19:59,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2024-11-06 03:19:59,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:59,360 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 03:19:59,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 03:19:59,361 INFO L85 PathProgramCache]: Analyzing trace with hash -51382787, now seen corresponding path program 1 times [2024-11-06 03:19:59,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 03:19:59,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297730328] [2024-11-06 03:19:59,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 03:19:59,362 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 03:19:59,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 03:19:59,364 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 03:19:59,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process