/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 06:12:43,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 06:12:43,288 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 06:12:43,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 06:12:43,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 06:12:43,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 06:12:43,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 06:12:43,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 06:12:43,320 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 06:12:43,321 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 06:12:43,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 06:12:43,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 06:12:43,321 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 06:12:43,322 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 06:12:43,322 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 06:12:43,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 06:12:43,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 06:12:43,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 06:12:43,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 06:12:43,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 06:12:43,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 06:12:43,326 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 06:12:43,326 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 06:12:43,326 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 06:12:43,327 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 06:12:43,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 06:12:43,327 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 06:12:43,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 06:12:43,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 06:12:43,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 06:12:43,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 06:12:43,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 06:12:43,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 06:12:43,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 06:12:43,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 06:12:43,328 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 06:12:43,328 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 06:12:43,329 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 06:12:43,329 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 06:12:43,329 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 06:12:43,329 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 06:12:43,330 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:12:43,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 06:12:43,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 06:12:43,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 06:12:43,540 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 06:12:43,540 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 06:12:43,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2024-11-05 06:12:45,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 06:12:45,363 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 06:12:45,364 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2024-11-05 06:12:45,399 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b9acf618/de306cae9956432783dcfa5065fd4faf/FLAG7a664de0a [2024-11-05 06:12:45,623 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b9acf618/de306cae9956432783dcfa5065fd4faf [2024-11-05 06:12:45,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 06:12:45,626 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 06:12:45,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 06:12:45,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 06:12:45,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 06:12:45,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 06:12:45" (1/1) ... [2024-11-05 06:12:45,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25e426bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:45, skipping insertion in model container [2024-11-05 06:12:45,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 06:12:45" (1/1) ... [2024-11-05 06:12:45,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 06:12:46,552 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:12:46,553 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:12:46,615 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:12:46,616 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:12:46,623 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:12:46,624 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:12:46,624 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:12:46,625 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:12:46,625 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:12:46,625 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:12:46,626 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:12:46,626 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:12:46,626 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:12:46,646 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i[120162,120175] [2024-11-05 06:12:46,707 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 06:12:46,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 06:12:46,732 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 06:12:46,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3119] [2024-11-05 06:12:46,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3126] [2024-11-05 06:12:46,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3134-3135] [2024-11-05 06:12:46,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [3143-3144] [2024-11-05 06:12:46,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [3164] [2024-11-05 06:12:46,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [3172] [2024-11-05 06:12:46,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (buf + ofs), "i" (1UL)); [3673-3674] [2024-11-05 06:12:46,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (uarg.i): "ebx"); [3734] [2024-11-05 06:12:46,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (uarg.i): "ebx"); [3737] [2024-11-05 06:12:46,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (uarg.i): "ebx"); [3740] [2024-11-05 06:12:46,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (uarg.i): "ebx"); [3743] [2024-11-05 06:12:46,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (uarg.i): "ebx"); [3746] [2024-11-05 06:12:46,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (uarg.i): "ebx"); [3757-3758] [2024-11-05 06:12:46,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (uarg.i): "ebx"); [3761-3762] [2024-11-05 06:12:46,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (uarg.i): "ebx"); [3765-3766] [2024-11-05 06:12:46,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (uarg.i): "ebx"); [3769-3770] [2024-11-05 06:12:46,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (uarg.i): "ebx"); [3773-3774] [2024-11-05 06:12:46,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" (uarg.i), "i" (4UL)); [3785-3786] [2024-11-05 06:12:46,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" (uarg.i), "i" (4UL)); [3823-3824] [2024-11-05 06:12:46,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (uarg.i): "ebx"); [3837-3838] [2024-11-05 06:12:46,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (uarg.i): "ebx"); [3841-3842] [2024-11-05 06:12:46,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (uarg.i): "ebx"); [3845-3846] [2024-11-05 06:12:46,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (uarg.i): "ebx"); [3849-3850] [2024-11-05 06:12:46,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (uarg.i): "ebx"); [3853-3854] [2024-11-05 06:12:46,920 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i[120162,120175] [2024-11-05 06:12:46,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 06:12:47,019 INFO L204 MainTranslator]: Completed translation [2024-11-05 06:12:47,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:47 WrapperNode [2024-11-05 06:12:47,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 06:12:47,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 06:12:47,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 06:12:47,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 06:12:47,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:47" (1/1) ... [2024-11-05 06:12:47,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:47" (1/1) ... [2024-11-05 06:12:47,182 INFO L138 Inliner]: procedures = 105, calls = 407, calls flagged for inlining = 31, calls inlined = 28, statements flattened = 1200 [2024-11-05 06:12:47,183 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 06:12:47,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 06:12:47,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 06:12:47,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 06:12:47,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:47" (1/1) ... [2024-11-05 06:12:47,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:47" (1/1) ... [2024-11-05 06:12:47,224 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:47" (1/1) ... [2024-11-05 06:12:47,278 INFO L175 MemorySlicer]: Split 104 memory accesses to 11 slices as follows [2, 9, 1, 3, 2, 3, 34, 8, 29, 13, 0]. 33 percent of accesses are in the largest equivalence class. The 40 initializations are split as follows [2, 0, 0, 3, 0, 1, 34, 0, 0, 0, 0]. The 50 writes are split as follows [0, 2, 1, 0, 1, 1, 0, 4, 29, 12, 0]. [2024-11-05 06:12:47,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:47" (1/1) ... [2024-11-05 06:12:47,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:47" (1/1) ... [2024-11-05 06:12:47,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:47" (1/1) ... [2024-11-05 06:12:47,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:47" (1/1) ... [2024-11-05 06:12:47,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:47" (1/1) ... [2024-11-05 06:12:47,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:47" (1/1) ... [2024-11-05 06:12:47,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 06:12:47,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 06:12:47,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 06:12:47,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 06:12:47,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:47" (1/1) ... [2024-11-05 06:12:47,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 06:12:47,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 06:12:47,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 06:12:47,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 06:12:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_stop [2024-11-05 06:12:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_stop [2024-11-05 06:12:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_write [2024-11-05 06:12:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_write [2024-11-05 06:12:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_update_timeout [2024-11-05 06:12:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_update_timeout [2024-11-05 06:12:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 06:12:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 06:12:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 06:12:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 06:12:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 06:12:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 06:12:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 06:12:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-05 06:12:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-05 06:12:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-05 06:12:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-11-05 06:12:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-05 06:12:47,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-05 06:12:47,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-05 06:12:47,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-05 06:12:47,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-05 06:12:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-05 06:12:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-05 06:12:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-05 06:12:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-05 06:12:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-05 06:12:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-05 06:12:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 06:12:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 06:12:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 06:12:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 06:12:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 06:12:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 06:12:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 06:12:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-05 06:12:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-05 06:12:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-05 06:12:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-05 06:12:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-05 06:12:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-05 06:12:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-05 06:12:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-05 06:12:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_round_time [2024-11-05 06:12:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_round_time [2024-11-05 06:12:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2024-11-05 06:12:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2024-11-05 06:12:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-05 06:12:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-05 06:12:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure superio_exit [2024-11-05 06:12:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_exit [2024-11-05 06:12:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2024-11-05 06:12:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2024-11-05 06:12:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-05 06:12:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-05 06:12:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure superio_select [2024-11-05 06:12:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_select [2024-11-05 06:12:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 06:12:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 06:12:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 06:12:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 06:12:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 06:12:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 06:12:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 06:12:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-05 06:12:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-05 06:12:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-05 06:12:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2024-11-05 06:12:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-05 06:12:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-05 06:12:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-05 06:12:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-05 06:12:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-05 06:12:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-05 06:12:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-05 06:12:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-05 06:12:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-05 06:12:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-05 06:12:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#10 [2024-11-05 06:12:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-05 06:12:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-05 06:12:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure superio_enter [2024-11-05 06:12:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_enter [2024-11-05 06:12:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-05 06:12:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-05 06:12:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 06:12:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 06:12:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_keepalive [2024-11-05 06:12:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_keepalive [2024-11-05 06:12:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inb [2024-11-05 06:12:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inb [2024-11-05 06:12:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outb [2024-11-05 06:12:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outb [2024-11-05 06:12:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 06:12:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-05 06:12:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-05 06:12:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-05 06:12:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-05 06:12:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 06:12:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure superio_inw [2024-11-05 06:12:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_inw [2024-11-05 06:12:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure superio_outw [2024-11-05 06:12:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure superio_outw [2024-11-05 06:12:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 06:12:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 06:12:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 06:12:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 06:12:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 06:12:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 06:12:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 06:12:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-05 06:12:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-05 06:12:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-05 06:12:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-05 06:12:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 06:12:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 06:12:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 06:12:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 06:12:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 06:12:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 06:12:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 06:12:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 06:12:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-05 06:12:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-05 06:12:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-05 06:12:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-05 06:12:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 06:12:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 06:12:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 06:12:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 06:12:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 06:12:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 06:12:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-05 06:12:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-05 06:12:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-05 06:12:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-05 06:12:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2024-11-05 06:12:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 06:12:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-05 06:12:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-05 06:12:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-05 06:12:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-05 06:12:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-05 06:12:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-05 06:12:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-05 06:12:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-05 06:12:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-05 06:12:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-05 06:12:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-05 06:12:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 06:12:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 06:12:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 06:12:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 06:12:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 06:12:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 06:12:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-05 06:12:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-05 06:12:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-05 06:12:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-05 06:12:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-05 06:12:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-05 06:12:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-05 06:12:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 06:12:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 06:12:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 06:12:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 06:12:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 06:12:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 06:12:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 06:12:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-05 06:12:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-05 06:12:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-05 06:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-05 06:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 06:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 06:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 06:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 06:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 06:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-05 06:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-05 06:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-05 06:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-05 06:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-05 06:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-05 06:12:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 06:12:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 06:12:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 06:12:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 06:12:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 06:12:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-05 06:12:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-05 06:12:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-05 06:12:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-05 06:12:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-05 06:12:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#10 [2024-11-05 06:12:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-05 06:12:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-05 06:12:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure wdt_start [2024-11-05 06:12:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure wdt_start [2024-11-05 06:12:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2024-11-05 06:12:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2024-11-05 06:12:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-05 06:12:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-05 06:12:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-05 06:12:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-05 06:12:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2024-11-05 06:12:47,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2024-11-05 06:12:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2024-11-05 06:12:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2024-11-05 06:12:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 06:12:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 06:12:47,863 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 06:12:47,866 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 06:12:47,966 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-05 06:12:56,120 INFO L? ?]: Removed 480 outVars from TransFormulas that were not future-live. [2024-11-05 06:12:56,120 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 06:12:56,139 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 06:12:56,140 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 06:12:56,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 06:12:56 BoogieIcfgContainer [2024-11-05 06:12:56,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 06:12:56,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 06:12:56,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 06:12:56,144 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 06:12:56,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 06:12:45" (1/3) ... [2024-11-05 06:12:56,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7832d434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 06:12:56, skipping insertion in model container [2024-11-05 06:12:56,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 06:12:47" (2/3) ... [2024-11-05 06:12:56,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7832d434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 06:12:56, skipping insertion in model container [2024-11-05 06:12:56,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 06:12:56" (3/3) ... [2024-11-05 06:12:56,146 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--it87_wdt.ko-entry_point.cil.out.i [2024-11-05 06:12:56,158 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 06:12:56,158 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 06:12:56,208 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 06:12:56,213 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;@4c53b481, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 06:12:56,213 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 06:12:56,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 590 states, 367 states have (on average 1.3923705722070845) internal successors, (511), 400 states have internal predecessors, (511), 191 states have call successors, (191), 31 states have call predecessors, (191), 30 states have return successors, (187), 182 states have call predecessors, (187), 187 states have call successors, (187) [2024-11-05 06:12:56,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-05 06:12:56,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:12:56,238 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:12:56,238 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:12:56,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:12:56,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1201237634, now seen corresponding path program 1 times [2024-11-05 06:12:56,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:12:56,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [760264595] [2024-11-05 06:12:56,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:12:56,250 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:12:56,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:12:56,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:12:56,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-05 06:12:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:12:56,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 06:12:57,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:12:57,044 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-05 06:12:57,045 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:12:57,903 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-05 06:12:57,904 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:12:57,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [760264595] [2024-11-05 06:12:57,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [760264595] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 06:12:57,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 06:12:57,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-05 06:12:57,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87488092] [2024-11-05 06:12:57,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 06:12:57,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 06:12:57,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:12:57,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 06:12:57,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 06:12:57,950 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) [2024-11-05 06:12:58,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:12:58,088 INFO L93 Difference]: Finished difference Result 1175 states and 1803 transitions. [2024-11-05 06:12:58,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 06:12:58,091 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 [2024-11-05 06:12:58,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:12:58,114 INFO L225 Difference]: With dead ends: 1175 [2024-11-05 06:12:58,114 INFO L226 Difference]: Without dead ends: 579 [2024-11-05 06:12:58,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 06:12:58,127 INFO L432 NwaCegarLoop]: 885 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 06:12:58,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 885 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 06:12:58,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-11-05 06:12:58,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2024-11-05 06:12:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 362 states have (on average 1.3784530386740332) internal successors, (499), 389 states have internal predecessors, (499), 187 states have call successors, (187), 30 states have call predecessors, (187), 29 states have return successors, (186), 181 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 06:12:58,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 872 transitions. [2024-11-05 06:12:58,211 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 872 transitions. Word has length 137 [2024-11-05 06:12:58,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:12:58,211 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 872 transitions. [2024-11-05 06:12:58,212 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) [2024-11-05 06:12:58,212 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 872 transitions. [2024-11-05 06:12:58,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-05 06:12:58,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:12:58,218 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:12:58,241 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 [2024-11-05 06:12:58,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:12:58,419 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:12:58,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:12:58,420 INFO L85 PathProgramCache]: Analyzing trace with hash -2139712646, now seen corresponding path program 1 times [2024-11-05 06:12:58,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:12:58,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [52809417] [2024-11-05 06:12:58,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:12:58,421 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:12:58,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:12:58,426 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:12:58,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-05 06:12:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:12:59,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-05 06:12:59,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:12:59,484 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2024-11-05 06:12:59,484 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:13:00,769 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-05 06:13:00,769 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:13:00,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [52809417] [2024-11-05 06:13:00,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [52809417] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 06:13:00,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 06:13:00,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-05 06:13:00,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665140176] [2024-11-05 06:13:00,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 06:13:00,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-05 06:13:00,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:13:00,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-05 06:13:00,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 06:13:00,774 INFO L87 Difference]: Start difference. First operand 579 states and 872 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-05 06:13:00,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:13:00,999 INFO L93 Difference]: Finished difference Result 1150 states and 1737 transitions. [2024-11-05 06:13:00,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 06:13:00,999 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 137 [2024-11-05 06:13:01,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:13:01,006 INFO L225 Difference]: With dead ends: 1150 [2024-11-05 06:13:01,006 INFO L226 Difference]: Without dead ends: 580 [2024-11-05 06:13:01,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-05 06:13:01,010 INFO L432 NwaCegarLoop]: 870 mSDtfsCounter, 0 mSDsluCounter, 1726 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2596 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 06:13:01,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2596 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 06:13:01,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-11-05 06:13:01,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 580. [2024-11-05 06:13:01,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 363 states have (on average 1.3774104683195592) internal successors, (500), 390 states have internal predecessors, (500), 187 states have call successors, (187), 30 states have call predecessors, (187), 29 states have return successors, (186), 181 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 06:13:01,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 873 transitions. [2024-11-05 06:13:01,040 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 873 transitions. Word has length 137 [2024-11-05 06:13:01,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:13:01,041 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 873 transitions. [2024-11-05 06:13:01,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-05 06:13:01,041 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 873 transitions. [2024-11-05 06:13:01,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-05 06:13:01,043 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:13:01,043 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:13:01,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-05 06:13:01,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:13:01,248 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:13:01,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:13:01,249 INFO L85 PathProgramCache]: Analyzing trace with hash 2142592682, now seen corresponding path program 1 times [2024-11-05 06:13:01,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:13:01,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1064633806] [2024-11-05 06:13:01,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:13:01,249 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:13:01,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:13:01,252 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:13:01,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-05 06:13:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:13:01,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 06:13:01,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:13:02,307 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-11-05 06:13:02,307 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:13:03,746 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-05 06:13:03,747 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:13:03,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1064633806] [2024-11-05 06:13:03,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1064633806] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 06:13:03,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 06:13:03,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-05 06:13:03,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790312023] [2024-11-05 06:13:03,747 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 06:13:03,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-05 06:13:03,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:13:03,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-05 06:13:03,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-05 06:13:03,752 INFO L87 Difference]: Start difference. First operand 580 states and 873 transitions. Second operand has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-05 06:13:05,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:13:05,138 INFO L93 Difference]: Finished difference Result 1161 states and 1755 transitions. [2024-11-05 06:13:05,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 06:13:05,139 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 143 [2024-11-05 06:13:05,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:13:05,145 INFO L225 Difference]: With dead ends: 1161 [2024-11-05 06:13:05,145 INFO L226 Difference]: Without dead ends: 590 [2024-11-05 06:13:05,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-05 06:13:05,149 INFO L432 NwaCegarLoop]: 868 mSDtfsCounter, 4 mSDsluCounter, 5164 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 6032 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-05 06:13:05,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 6032 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-05 06:13:05,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2024-11-05 06:13:05,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2024-11-05 06:13:05,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 372 states have (on average 1.3763440860215055) internal successors, (512), 399 states have internal predecessors, (512), 187 states have call successors, (187), 31 states have call predecessors, (187), 30 states have return successors, (186), 181 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 06:13:05,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 885 transitions. [2024-11-05 06:13:05,195 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 885 transitions. Word has length 143 [2024-11-05 06:13:05,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:13:05,198 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 885 transitions. [2024-11-05 06:13:05,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.125) internal successors, (73), 8 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-05 06:13:05,198 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 885 transitions. [2024-11-05 06:13:05,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-05 06:13:05,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:13:05,203 INFO L215 NwaCegarLoop]: trace histogram [20, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:13:05,235 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-05 06:13:05,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:13:05,404 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:13:05,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:13:05,404 INFO L85 PathProgramCache]: Analyzing trace with hash 785478458, now seen corresponding path program 2 times [2024-11-05 06:13:05,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:13:05,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [260413655] [2024-11-05 06:13:05,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:13:05,405 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:13:05,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:13:05,409 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:13:05,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-05 06:13:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:13:06,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-05 06:13:06,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:13:07,036 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 125 proven. 10 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-11-05 06:13:07,036 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:13:09,656 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2024-11-05 06:13:09,656 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:13:09,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [260413655] [2024-11-05 06:13:09,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [260413655] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 06:13:09,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 06:13:09,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-05 06:13:09,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508755326] [2024-11-05 06:13:09,657 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 06:13:09,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-05 06:13:09,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:13:09,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-05 06:13:09,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-05 06:13:09,665 INFO L87 Difference]: Start difference. First operand 590 states and 885 transitions. Second operand has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-05 06:13:12,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:13:12,419 INFO L93 Difference]: Finished difference Result 1180 states and 1779 transitions. [2024-11-05 06:13:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-05 06:13:12,420 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 157 [2024-11-05 06:13:12,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:13:12,426 INFO L225 Difference]: With dead ends: 1180 [2024-11-05 06:13:12,426 INFO L226 Difference]: Without dead ends: 596 [2024-11-05 06:13:12,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=144, Invalid=276, Unknown=0, NotChecked=0, Total=420 [2024-11-05 06:13:12,430 INFO L432 NwaCegarLoop]: 868 mSDtfsCounter, 5 mSDsluCounter, 5166 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 6034 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-05 06:13:12,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 6034 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-05 06:13:12,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-05 06:13:12,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2024-11-05 06:13:12,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 378 states have (on average 1.373015873015873) internal successors, (519), 405 states have internal predecessors, (519), 187 states have call successors, (187), 31 states have call predecessors, (187), 30 states have return successors, (186), 181 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 06:13:12,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 892 transitions. [2024-11-05 06:13:12,473 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 892 transitions. Word has length 157 [2024-11-05 06:13:12,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:13:12,473 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 892 transitions. [2024-11-05 06:13:12,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.642857142857143) internal successors, (79), 14 states have internal predecessors, (79), 2 states have call successors, (22), 2 states have call predecessors, (22), 4 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-05 06:13:12,474 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 892 transitions. [2024-11-05 06:13:12,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-05 06:13:12,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:13:12,477 INFO L215 NwaCegarLoop]: trace histogram [36, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:13:12,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-05 06:13:12,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:13:12,677 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:13:12,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:13:12,678 INFO L85 PathProgramCache]: Analyzing trace with hash 574231354, now seen corresponding path program 3 times [2024-11-05 06:13:12,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:13:12,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1592521127] [2024-11-05 06:13:12,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:13:12,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:13:12,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:13:12,682 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:13:12,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-05 06:13:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:13:13,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-05 06:13:13,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:13:14,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 537 proven. 3 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2024-11-05 06:13:14,464 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:13:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 60 proven. 75 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2024-11-05 06:13:16,304 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:13:16,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1592521127] [2024-11-05 06:13:16,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1592521127] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 06:13:16,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 06:13:16,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 06:13:16,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062049341] [2024-11-05 06:13:16,305 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 06:13:16,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 06:13:16,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:13:16,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 06:13:16,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-05 06:13:16,306 INFO L87 Difference]: Start difference. First operand 596 states and 892 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-05 06:13:17,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:13:17,529 INFO L93 Difference]: Finished difference Result 1182 states and 1769 transitions. [2024-11-05 06:13:17,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-05 06:13:17,531 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 173 [2024-11-05 06:13:17,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:13:17,536 INFO L225 Difference]: With dead ends: 1182 [2024-11-05 06:13:17,536 INFO L226 Difference]: Without dead ends: 596 [2024-11-05 06:13:17,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-05 06:13:17,539 INFO L432 NwaCegarLoop]: 865 mSDtfsCounter, 6 mSDsluCounter, 3437 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 4302 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-05 06:13:17,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 4302 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-05 06:13:17,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-05 06:13:17,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2024-11-05 06:13:17,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 378 states have (on average 1.3624338624338623) internal successors, (515), 405 states have internal predecessors, (515), 187 states have call successors, (187), 31 states have call predecessors, (187), 30 states have return successors, (186), 181 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-05 06:13:17,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 888 transitions. [2024-11-05 06:13:17,564 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 888 transitions. Word has length 173 [2024-11-05 06:13:17,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:13:17,565 INFO L471 AbstractCegarLoop]: Abstraction has 596 states and 888 transitions. [2024-11-05 06:13:17,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-05 06:13:17,565 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 888 transitions. [2024-11-05 06:13:17,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-05 06:13:17,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:13:17,568 INFO L215 NwaCegarLoop]: trace histogram [40, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:13:17,606 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-05 06:13:17,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:13:17,772 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:13:17,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:13:17,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1768198906, now seen corresponding path program 4 times [2024-11-05 06:13:17,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:13:17,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1345084119] [2024-11-05 06:13:17,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:13:17,773 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:13:17,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:13:17,775 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:13:17,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-05 06:13:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:13:20,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 1262 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 06:13:20,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:13:20,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2024-11-05 06:13:20,937 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:13:22,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2024-11-05 06:13:22,752 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:13:22,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1345084119] [2024-11-05 06:13:22,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1345084119] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 06:13:22,752 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 06:13:22,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2024-11-05 06:13:22,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457142593] [2024-11-05 06:13:22,752 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 06:13:22,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-05 06:13:22,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:13:22,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-05 06:13:22,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-05 06:13:22,754 INFO L87 Difference]: Start difference. First operand 596 states and 888 transitions. Second operand has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-05 06:13:26,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 06:13:30,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-05 06:13:32,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:13:32,344 INFO L93 Difference]: Finished difference Result 1167 states and 1752 transitions. [2024-11-05 06:13:32,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 06:13:32,345 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) Word has length 177 [2024-11-05 06:13:32,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:13:32,349 INFO L225 Difference]: With dead ends: 1167 [2024-11-05 06:13:32,350 INFO L226 Difference]: Without dead ends: 616 [2024-11-05 06:13:32,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-05 06:13:32,352 INFO L432 NwaCegarLoop]: 870 mSDtfsCounter, 27 mSDsluCounter, 6051 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 6921 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2024-11-05 06:13:32,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 6921 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 85 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2024-11-05 06:13:32,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-11-05 06:13:32,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 603. [2024-11-05 06:13:32,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 384 states have (on average 1.3567708333333333) internal successors, (521), 411 states have internal predecessors, (521), 187 states have call successors, (187), 31 states have call predecessors, (187), 31 states have return successors, (194), 182 states have call predecessors, (194), 186 states have call successors, (194) [2024-11-05 06:13:32,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 902 transitions. [2024-11-05 06:13:32,371 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 902 transitions. Word has length 177 [2024-11-05 06:13:32,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:13:32,371 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 902 transitions. [2024-11-05 06:13:32,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.666666666666667) internal successors, (56), 10 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 3 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-05 06:13:32,371 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 902 transitions. [2024-11-05 06:13:32,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-05 06:13:32,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:13:32,373 INFO L215 NwaCegarLoop]: trace histogram [40, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:13:32,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-05 06:13:32,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:13:32,578 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:13:32,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:13:32,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1825457208, now seen corresponding path program 1 times [2024-11-05 06:13:32,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:13:32,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [483567895] [2024-11-05 06:13:32,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:13:32,579 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:13:32,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:13:32,582 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 06:13:32,582 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 [2024-11-05 06:13:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:13:35,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 1260 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 06:13:35,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:13:39,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2024-11-05 06:13:39,459 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:13:41,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2024-11-05 06:13:41,676 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:13:41,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [483567895] [2024-11-05 06:13:41,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [483567895] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 06:13:41,676 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 06:13:41,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-05 06:13:41,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832423853] [2024-11-05 06:13:41,677 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 06:13:41,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 06:13:41,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:13:41,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 06:13:41,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 06:13:41,678 INFO L87 Difference]: Start difference. First operand 603 states and 902 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-05 06:13:41,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:13:41,745 INFO L93 Difference]: Finished difference Result 1161 states and 1750 transitions. [2024-11-05 06:13:41,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 06:13:41,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 177 [2024-11-05 06:13:41,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:13:41,753 INFO L225 Difference]: With dead ends: 1161 [2024-11-05 06:13:41,753 INFO L226 Difference]: Without dead ends: 1082 [2024-11-05 06:13:41,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 06:13:41,756 INFO L432 NwaCegarLoop]: 970 mSDtfsCounter, 792 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 1802 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 06:13:41,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [792 Valid, 1802 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 06:13:41,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2024-11-05 06:13:41,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 1082. [2024-11-05 06:13:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 694 states have (on average 1.3631123919308357) internal successors, (946), 739 states have internal predecessors, (946), 328 states have call successors, (328), 58 states have call predecessors, (328), 59 states have return successors, (341), 321 states have call predecessors, (341), 327 states have call successors, (341) [2024-11-05 06:13:41,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1615 transitions. [2024-11-05 06:13:41,806 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1615 transitions. Word has length 177 [2024-11-05 06:13:41,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:13:41,807 INFO L471 AbstractCegarLoop]: Abstraction has 1082 states and 1615 transitions. [2024-11-05 06:13:41,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-05 06:13:41,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1615 transitions. [2024-11-05 06:13:41,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-05 06:13:41,814 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:13:41,814 INFO L215 NwaCegarLoop]: trace histogram [40, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:13:41,858 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 [2024-11-05 06:13:42,015 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 [2024-11-05 06:13:42,015 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:13:42,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:13:42,016 INFO L85 PathProgramCache]: Analyzing trace with hash 282174662, now seen corresponding path program 1 times [2024-11-05 06:13:42,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:13:42,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [985535305] [2024-11-05 06:13:42,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:13:42,016 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:13:42,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:13:42,017 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) [2024-11-05 06:13:42,019 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 [2024-11-05 06:13:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:13:44,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 1395 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-05 06:13:44,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:13:44,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1193 trivial. 0 not checked. [2024-11-05 06:13:44,369 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:13:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1196 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1193 trivial. 0 not checked. [2024-11-05 06:13:46,441 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:13:46,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [985535305] [2024-11-05 06:13:46,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [985535305] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 06:13:46,441 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 06:13:46,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-05 06:13:46,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818603298] [2024-11-05 06:13:46,442 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 06:13:46,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-05 06:13:46,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:13:46,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-05 06:13:46,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 06:13:46,443 INFO L87 Difference]: Start difference. First operand 1082 states and 1615 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-05 06:13:46,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:13:46,878 INFO L93 Difference]: Finished difference Result 2581 states and 3832 transitions. [2024-11-05 06:13:46,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-05 06:13:46,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 228 [2024-11-05 06:13:46,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:13:46,888 INFO L225 Difference]: With dead ends: 2581 [2024-11-05 06:13:46,888 INFO L226 Difference]: Without dead ends: 1544 [2024-11-05 06:13:46,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 453 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-05 06:13:46,893 INFO L432 NwaCegarLoop]: 931 mSDtfsCounter, 428 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 1724 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-05 06:13:46,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 1724 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-05 06:13:46,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2024-11-05 06:13:46,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1522. [2024-11-05 06:13:46,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1522 states, 949 states have (on average 1.3498419388830347) internal successors, (1281), 1018 states have internal predecessors, (1281), 474 states have call successors, (474), 95 states have call predecessors, (474), 98 states have return successors, (493), 459 states have call predecessors, (493), 473 states have call successors, (493) [2024-11-05 06:13:46,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 1522 states and 2248 transitions. [2024-11-05 06:13:46,967 INFO L78 Accepts]: Start accepts. Automaton has 1522 states and 2248 transitions. Word has length 228 [2024-11-05 06:13:46,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:13:46,967 INFO L471 AbstractCegarLoop]: Abstraction has 1522 states and 2248 transitions. [2024-11-05 06:13:46,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-05 06:13:46,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 2248 transitions. [2024-11-05 06:13:46,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2024-11-05 06:13:46,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:13:46,977 INFO L215 NwaCegarLoop]: trace histogram [40, 17, 17, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:13:47,019 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 (9)] Ended with exit code 0 [2024-11-05 06:13:47,181 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 [2024-11-05 06:13:47,182 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:13:47,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:13:47,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1388021079, now seen corresponding path program 1 times [2024-11-05 06:13:47,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:13:47,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1127834434] [2024-11-05 06:13:47,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:13:47,183 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:13:47,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:13:47,186 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) [2024-11-05 06:13:47,222 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 [2024-11-05 06:13:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:13:49,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 1896 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-05 06:13:49,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:13:50,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 1673 trivial. 0 not checked. [2024-11-05 06:13:50,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:13:57,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1823 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 1791 trivial. 0 not checked. [2024-11-05 06:13:57,132 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:13:57,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1127834434] [2024-11-05 06:13:57,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1127834434] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 06:13:57,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 06:13:57,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2024-11-05 06:13:57,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390995260] [2024-11-05 06:13:57,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 06:13:57,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 06:13:57,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:13:57,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 06:13:57,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-05 06:13:57,134 INFO L87 Difference]: Start difference. First operand 1522 states and 2248 transitions. Second operand has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 5 states have internal predecessors, (152), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-05 06:13:57,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:13:57,485 INFO L93 Difference]: Finished difference Result 3009 states and 4510 transitions. [2024-11-05 06:13:57,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-05 06:13:57,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 5 states have internal predecessors, (152), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) Word has length 444 [2024-11-05 06:13:57,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:13:57,505 INFO L225 Difference]: With dead ends: 3009 [2024-11-05 06:13:57,506 INFO L226 Difference]: Without dead ends: 1542 [2024-11-05 06:13:57,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 886 GetRequests, 878 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-05 06:13:57,520 INFO L432 NwaCegarLoop]: 869 mSDtfsCounter, 0 mSDsluCounter, 3471 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4340 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-05 06:13:57,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4340 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-05 06:13:57,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2024-11-05 06:13:57,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1542. [2024-11-05 06:13:57,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 965 states have (on average 1.344041450777202) internal successors, (1297), 1034 states have internal predecessors, (1297), 474 states have call successors, (474), 95 states have call predecessors, (474), 102 states have return successors, (505), 463 states have call predecessors, (505), 473 states have call successors, (505) [2024-11-05 06:13:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2276 transitions. [2024-11-05 06:13:57,578 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2276 transitions. Word has length 444 [2024-11-05 06:13:57,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:13:57,579 INFO L471 AbstractCegarLoop]: Abstraction has 1542 states and 2276 transitions. [2024-11-05 06:13:57,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 5 states have internal predecessors, (152), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-05 06:13:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2276 transitions. [2024-11-05 06:13:57,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2024-11-05 06:13:57,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:13:57,589 INFO L215 NwaCegarLoop]: trace histogram [40, 17, 17, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:13:57,677 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 (10)] Forceful destruction successful, exit code 0 [2024-11-05 06:13:57,789 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 [2024-11-05 06:13:57,790 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:13:57,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:13:57,790 INFO L85 PathProgramCache]: Analyzing trace with hash 35192279, now seen corresponding path program 1 times [2024-11-05 06:13:57,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:13:57,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1937082051] [2024-11-05 06:13:57,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:13:57,791 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:13:57,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:13:57,793 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) [2024-11-05 06:13:57,794 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 [2024-11-05 06:13:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:13:59,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 1947 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-05 06:13:59,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:14:01,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1913 backedges. 457 proven. 0 refuted. 0 times theorem prover too weak. 1456 trivial. 0 not checked. [2024-11-05 06:14:01,472 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:14:09,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1913 backedges. 36 proven. 24 refuted. 0 times theorem prover too weak. 1853 trivial. 0 not checked. [2024-11-05 06:14:09,606 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:14:09,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1937082051] [2024-11-05 06:14:09,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1937082051] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 06:14:09,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 06:14:09,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 16 [2024-11-05 06:14:09,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124486016] [2024-11-05 06:14:09,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 06:14:09,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 06:14:09,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:14:09,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 06:14:09,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-11-05 06:14:09,608 INFO L87 Difference]: Start difference. First operand 1542 states and 2276 transitions. Second operand has 10 states, 9 states have (on average 19.0) internal successors, (171), 8 states have internal predecessors, (171), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (58), 4 states have call predecessors, (58), 3 states have call successors, (58) [2024-11-05 06:14:10,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:14:10,754 INFO L93 Difference]: Finished difference Result 3035 states and 4538 transitions. [2024-11-05 06:14:10,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 06:14:10,755 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.0) internal successors, (171), 8 states have internal predecessors, (171), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (58), 4 states have call predecessors, (58), 3 states have call successors, (58) Word has length 462 [2024-11-05 06:14:10,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:14:10,763 INFO L225 Difference]: With dead ends: 3035 [2024-11-05 06:14:10,763 INFO L226 Difference]: Without dead ends: 1548 [2024-11-05 06:14:10,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 923 GetRequests, 908 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-11-05 06:14:10,769 INFO L432 NwaCegarLoop]: 871 mSDtfsCounter, 1 mSDsluCounter, 6945 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7816 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-05 06:14:10,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7816 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-05 06:14:10,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2024-11-05 06:14:10,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1542. [2024-11-05 06:14:10,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 965 states have (on average 1.3398963730569948) internal successors, (1293), 1034 states have internal predecessors, (1293), 474 states have call successors, (474), 95 states have call predecessors, (474), 102 states have return successors, (505), 463 states have call predecessors, (505), 473 states have call successors, (505) [2024-11-05 06:14:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2272 transitions. [2024-11-05 06:14:10,844 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2272 transitions. Word has length 462 [2024-11-05 06:14:10,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:14:10,844 INFO L471 AbstractCegarLoop]: Abstraction has 1542 states and 2272 transitions. [2024-11-05 06:14:10,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.0) internal successors, (171), 8 states have internal predecessors, (171), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (58), 4 states have call predecessors, (58), 3 states have call successors, (58) [2024-11-05 06:14:10,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2272 transitions. [2024-11-05 06:14:10,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2024-11-05 06:14:10,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:14:10,848 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:14:10,888 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 [2024-11-05 06:14:11,049 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 [2024-11-05 06:14:11,049 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:14:11,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:14:11,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1924700677, now seen corresponding path program 2 times [2024-11-05 06:14:11,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:14:11,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1999907083] [2024-11-05 06:14:11,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:14:11,050 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:14:11,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:14:11,053 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) [2024-11-05 06:14:11,054 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 [2024-11-05 06:14:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:14:13,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 1913 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 06:14:13,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 06:14:13,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 403 proven. 0 refuted. 0 times theorem prover too weak. 1444 trivial. 0 not checked. [2024-11-05 06:14:13,361 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 06:14:18,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 1828 trivial. 0 not checked. [2024-11-05 06:14:18,380 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 06:14:18,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1999907083] [2024-11-05 06:14:18,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1999907083] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 06:14:18,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 06:14:18,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2024-11-05 06:14:18,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166141020] [2024-11-05 06:14:18,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 06:14:18,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-05 06:14:18,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 06:14:18,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-05 06:14:18,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-05 06:14:18,381 INFO L87 Difference]: Start difference. First operand 1542 states and 2272 transitions. Second operand has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 2 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55) [2024-11-05 06:14:18,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 06:14:18,681 INFO L93 Difference]: Finished difference Result 3037 states and 4490 transitions. [2024-11-05 06:14:18,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 06:14:18,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 2 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55) Word has length 450 [2024-11-05 06:14:18,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 06:14:18,689 INFO L225 Difference]: With dead ends: 3037 [2024-11-05 06:14:18,689 INFO L226 Difference]: Without dead ends: 1546 [2024-11-05 06:14:18,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 898 GetRequests, 892 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-05 06:14:18,693 INFO L432 NwaCegarLoop]: 871 mSDtfsCounter, 0 mSDsluCounter, 2596 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3467 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-05 06:14:18,694 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] [2024-11-05 06:14:18,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2024-11-05 06:14:18,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1544. [2024-11-05 06:14:18,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1544 states, 967 states have (on average 1.3391933815925543) internal successors, (1295), 1035 states have internal predecessors, (1295), 474 states have call successors, (474), 95 states have call predecessors, (474), 102 states have return successors, (503), 464 states have call predecessors, (503), 473 states have call successors, (503) [2024-11-05 06:14:18,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 1544 states and 2272 transitions. [2024-11-05 06:14:18,785 INFO L78 Accepts]: Start accepts. Automaton has 1544 states and 2272 transitions. Word has length 450 [2024-11-05 06:14:18,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 06:14:18,786 INFO L471 AbstractCegarLoop]: Abstraction has 1544 states and 2272 transitions. [2024-11-05 06:14:18,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.6) internal successors, (163), 4 states have internal predecessors, (163), 2 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (55), 3 states have call predecessors, (55), 2 states have call successors, (55) [2024-11-05 06:14:18,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2272 transitions. [2024-11-05 06:14:18,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2024-11-05 06:14:18,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 06:14:18,794 INFO L215 NwaCegarLoop]: trace histogram [40, 21, 21, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 06:14:18,843 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 (12)] Ended with exit code 0 [2024-11-05 06:14:18,998 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 [2024-11-05 06:14:18,999 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 06:14:18,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 06:14:19,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1942690672, now seen corresponding path program 3 times [2024-11-05 06:14:19,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 06:14:19,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095369105] [2024-11-05 06:14:19,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 06:14:19,000 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 06:14:19,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 06:14:19,002 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) [2024-11-05 06:14:19,003 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 [2024-11-05 06:14:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 06:14:21,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 1962 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-05 06:14:21,596 INFO L278 TraceCheckSpWp]: Computing forward predicates...