/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -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-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 12:45:52,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 12:45:52,657 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 12:45:52,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 12:45:52,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 12:45:52,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 12:45:52,695 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 12:45:52,696 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 12:45:52,696 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 12:45:52,697 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 12:45:52,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 12:45:52,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 12:45:52,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 12:45:52,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 12:45:52,698 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 12:45:52,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 12:45:52,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 12:45:52,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 12:45:52,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 12:45:52,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 12:45:52,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 12:45:52,706 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 12:45:52,707 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 12:45:52,707 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 12:45:52,707 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 12:45:52,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 12:45:52,707 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 12:45:52,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 12:45:52,708 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 12:45:52,708 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 12:45:52,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 12:45:52,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 12:45:52,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 12:45:52,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 12:45:52,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 12:45:52,709 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 12:45:52,709 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 12:45:52,710 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 12:45:52,710 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 12:45:52,711 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 12:45:52,711 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 12:45:52,711 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 12:45:52,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 12:45:52,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 12:45:52,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 12:45:52,998 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 12:45:52,998 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 12:45:53,000 INFO L431 ainManager$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-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2024-11-06 12:45:54,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 12:45:54,865 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 12:45:54,865 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2024-11-06 12:45:54,902 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b1b7c52c/ed913403ef214d94bcefbcccfaeb4178/FLAG624d6b46d [2024-11-06 12:45:54,917 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b1b7c52c/ed913403ef214d94bcefbcccfaeb4178 [2024-11-06 12:45:54,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 12:45:54,921 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 12:45:54,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 12:45:54,923 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 12:45:54,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 12:45:54,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:45:54" (1/1) ... [2024-11-06 12:45:54,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ebf6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:54, skipping insertion in model container [2024-11-06 12:45:54,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 12:45:54" (1/1) ... [2024-11-06 12:45:55,027 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 12:45:55,967 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:55,984 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,021 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,022 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,022 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,054 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,055 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,056 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,066 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,067 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,072 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,083 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,089 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,090 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,090 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,091 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,091 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,093 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,094 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,095 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,095 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,096 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,097 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,097 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,097 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,098 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,101 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,101 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,102 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,103 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,104 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,106 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,106 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,107 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,109 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,111 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,124 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,132 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,132 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,133 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,133 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,134 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,135 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,135 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,135 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,136 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,136 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,136 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,155 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-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i[143316,143329] [2024-11-06 12:45:56,201 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 12:45:56,228 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 12:45:56,255 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 12:45:56,345 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,355 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,366 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,367 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,367 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,384 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,385 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,390 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,392 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,392 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,396 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,403 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,404 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,405 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,405 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,407 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,407 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,408 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,409 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,410 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,410 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,413 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,416 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,417 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,417 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,418 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,419 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,420 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,420 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,421 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,425 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,427 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,427 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,428 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,430 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,431 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,434 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,436 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,436 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,436 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,437 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,437 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,437 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,437 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,438 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,438 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,438 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,438 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,446 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-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i[143316,143329] [2024-11-06 12:45:56,453 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 12:45:56,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 12:45:56,463 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 12:45:56,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3278] [2024-11-06 12:45:56,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3281] [2024-11-06 12:45:56,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3284] [2024-11-06 12:45:56,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3287] [2024-11-06 12:45:56,548 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; incl %0": "+m" (v->counter)); [3300] [2024-11-06 12:45:56,654 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-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i[143316,143329] [2024-11-06 12:45:56,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 12:45:56,744 INFO L204 MainTranslator]: Completed translation [2024-11-06 12:45:56,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:56 WrapperNode [2024-11-06 12:45:56,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 12:45:56,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 12:45:56,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 12:45:56,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 12:45:56,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:56" (1/1) ... [2024-11-06 12:45:56,815 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:56" (1/1) ... [2024-11-06 12:45:56,909 INFO L138 Inliner]: procedures = 149, calls = 665, calls flagged for inlining = 63, calls inlined = 60, statements flattened = 2008 [2024-11-06 12:45:56,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 12:45:56,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 12:45:56,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 12:45:56,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 12:45:56,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:56" (1/1) ... [2024-11-06 12:45:56,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:56" (1/1) ... [2024-11-06 12:45:56,946 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:56" (1/1) ... [2024-11-06 12:45:57,215 INFO L175 MemorySlicer]: Split 339 memory accesses to 8 slices as follows [292, 2, 6, 3, 9, 2, 1, 24]. 86 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [0, 2, 6, 0, 0, 0, 0, 0]. The 169 writes are split as follows [138, 0, 0, 3, 2, 2, 0, 24]. [2024-11-06 12:45:57,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:56" (1/1) ... [2024-11-06 12:45:57,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:56" (1/1) ... [2024-11-06 12:45:57,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:56" (1/1) ... [2024-11-06 12:45:57,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:56" (1/1) ... [2024-11-06 12:45:57,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:56" (1/1) ... [2024-11-06 12:45:57,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:56" (1/1) ... [2024-11-06 12:45:57,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 12:45:57,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 12:45:57,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 12:45:57,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 12:45:57,410 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:56" (1/1) ... [2024-11-06 12:45:57,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 12:45:57,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:45:57,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-06 12:45:57,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-06 12:45:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-06 12:45:57,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-06 12:45:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-06 12:45:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-06 12:45:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-06 12:45:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-06 12:45:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-06 12:45:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-06 12:45:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-06 12:45:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-06 12:45:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 12:45:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 12:45:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 12:45:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 12:45:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 12:45:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 12:45:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-06 12:45:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-06 12:45:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2024-11-06 12:45:57,474 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2024-11-06 12:45:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-06 12:45:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-06 12:45:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-06 12:45:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-06 12:45:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-06 12:45:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-06 12:45:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-06 12:45:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-06 12:45:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-06 12:45:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-06 12:45:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-06 12:45:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-06 12:45:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-06 12:45:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-06 12:45:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-06 12:45:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-06 12:45:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 12:45:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 12:45:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 12:45:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 12:45:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 12:45:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 12:45:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-06 12:45:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-06 12:45:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-06 12:45:57,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-06 12:45:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-06 12:45:57,479 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-06 12:45:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2024-11-06 12:45:57,480 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2024-11-06 12:45:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure retry_transmit [2024-11-06 12:45:57,480 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_transmit [2024-11-06 12:45:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-06 12:45:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-06 12:45:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-06 12:45:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-06 12:45:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-06 12:45:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-06 12:45:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-06 12:45:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-06 12:45:57,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-06 12:45:57,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-06 12:45:57,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-06 12:45:57,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-06 12:45:57,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-06 12:45:57,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-06 12:45:57,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-06 12:45:57,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-06 12:45:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-06 12:45:57,481 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-06 12:45:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-06 12:45:57,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-06 12:45:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-06 12:45:57,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-06 12:45:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_close [2024-11-06 12:45:57,482 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_close [2024-11-06 12:45:57,482 INFO L130 BoogieDeclarations]: Found specification of procedure remove_msg [2024-11-06 12:45:57,482 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_msg [2024-11-06 12:45:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2024-11-06 12:45:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2024-11-06 12:45:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2024-11-06 12:45:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2024-11-06 12:45:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-06 12:45:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-06 12:45:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2024-11-06 12:45:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2024-11-06 12:45:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-06 12:45:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-06 12:45:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-06 12:45:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-06 12:45:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 12:45:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 12:45:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 12:45:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 12:45:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 12:45:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 12:45:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-06 12:45:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-06 12:45:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 12:45:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 12:45:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 12:45:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 12:45:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 12:45:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-06 12:45:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-06 12:45:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-06 12:45:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-06 12:45:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-06 12:45:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-06 12:45:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-06 12:45:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-06 12:45:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-06 12:45:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-06 12:45:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-06 12:45:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-06 12:45:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-06 12:45:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 12:45:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 12:45:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure add_msg [2024-11-06 12:45:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure add_msg [2024-11-06 12:45:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 12:45:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2024-11-06 12:45:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2024-11-06 12:45:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-06 12:45:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-06 12:45:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-06 12:45:57,488 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-06 12:45:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_poll [2024-11-06 12:45:57,488 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_poll [2024-11-06 12:45:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 12:45:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2024-11-06 12:45:57,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2024-11-06 12:45:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 12:45:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 12:45:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 12:45:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 12:45:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 12:45:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 12:45:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-06 12:45:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-06 12:45:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-06 12:45:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-06 12:45:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-06 12:45:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-06 12:45:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-06 12:45:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-06 12:45:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-06 12:45:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-06 12:45:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-06 12:45:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-06 12:45:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-06 12:45:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-06 12:45:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-06 12:45:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-06 12:45:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-06 12:45:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-06 12:45:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-06 12:45:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure findClient [2024-11-06 12:45:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure findClient [2024-11-06 12:45:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2024-11-06 12:45:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2024-11-06 12:45:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 12:45:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 12:45:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 12:45:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 12:45:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 12:45:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-06 12:45:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-06 12:45:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-06 12:45:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-06 12:45:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-06 12:45:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2024-11-06 12:45:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2024-11-06 12:45:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2024-11-06 12:45:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2024-11-06 12:45:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure remove_client_block [2024-11-06 12:45:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_client_block [2024-11-06 12:45:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-06 12:45:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-06 12:45:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 12:45:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 12:45:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 12:45:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 12:45:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 12:45:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-06 12:45:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-06 12:45:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-06 12:45:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 12:45:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 12:45:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 12:45:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 12:45:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 12:45:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-06 12:45:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-06 12:45:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-06 12:45:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-06 12:45:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-06 12:45:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-06 12:45:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-06 12:45:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-06 12:45:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-06 12:45:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-06 12:45:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-06 12:45:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 12:45:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure on_receive_block [2024-11-06 12:45:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure on_receive_block [2024-11-06 12:45:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-06 12:45:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-06 12:45:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 12:45:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 12:45:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 12:45:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 12:45:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 12:45:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 12:45:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-06 12:45:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-06 12:45:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure flush [2024-11-06 12:45:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure flush [2024-11-06 12:45:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_set_termios [2024-11-06 12:45:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_set_termios [2024-11-06 12:45:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-06 12:45:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-06 12:45:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_ioctl [2024-11-06 12:45:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_ioctl [2024-11-06 12:45:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_tx_queue [2024-11-06 12:45:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_tx_queue [2024-11-06 12:45:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-06 12:45:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-06 12:45:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-06 12:45:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-06 12:45:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-06 12:45:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-06 12:45:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-06 12:45:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-06 12:45:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2024-11-06 12:45:57,501 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2024-11-06 12:45:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2024-11-06 12:45:57,501 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2024-11-06 12:45:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 12:45:57,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 12:45:58,054 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 12:45:58,058 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 12:45:58,385 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-06 12:46:53,196 INFO L? ?]: Removed 989 outVars from TransFormulas that were not future-live. [2024-11-06 12:46:53,197 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 12:46:53,246 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 12:46:53,246 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 12:46:53,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:46:53 BoogieIcfgContainer [2024-11-06 12:46:53,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 12:46:53,249 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 12:46:53,249 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 12:46:53,252 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 12:46:53,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 12:45:54" (1/3) ... [2024-11-06 12:46:53,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26adf122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:46:53, skipping insertion in model container [2024-11-06 12:46:53,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 12:45:56" (2/3) ... [2024-11-06 12:46:53,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26adf122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 12:46:53, skipping insertion in model container [2024-11-06 12:46:53,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 12:46:53" (3/3) ... [2024-11-06 12:46:53,259 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2024-11-06 12:46:53,276 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 12:46:53,277 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 12:46:53,372 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 12:46:53,378 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;@21ecac0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 12:46:53,379 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 12:46:53,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 768 states, 533 states have (on average 1.3846153846153846) internal successors, (738), 569 states have internal predecessors, (738), 192 states have call successors, (192), 42 states have call predecessors, (192), 41 states have return successors, (188), 178 states have call predecessors, (188), 188 states have call successors, (188) [2024-11-06 12:46:53,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-06 12:46:53,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:46:53,408 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 1, 1] [2024-11-06 12:46:53,409 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:46:53,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:46:53,414 INFO L85 PathProgramCache]: Analyzing trace with hash 644307601, now seen corresponding path program 1 times [2024-11-06 12:46:53,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:46:53,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1626002656] [2024-11-06 12:46:53,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:46:53,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:46:53,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:46:53,433 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 12:46:53,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-06 12:46:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 12:46:54,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 12:46:54,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 12:46:54,392 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-06 12:46:54,392 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 12:46:54,394 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 12:46:54,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626002656] [2024-11-06 12:46:54,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626002656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 12:46:54,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 12:46:54,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 12:46:54,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087901382] [2024-11-06 12:46:54,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 12:46:54,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 12:46:54,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 12:46:54,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 12:46:54,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 12:46:54,438 INFO L87 Difference]: Start difference. First operand has 768 states, 533 states have (on average 1.3846153846153846) internal successors, (738), 569 states have internal predecessors, (738), 192 states have call successors, (192), 42 states have call predecessors, (192), 41 states have return successors, (188), 178 states have call predecessors, (188), 188 states have call successors, (188) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-06 12:46:54,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 12:46:54,596 INFO L93 Difference]: Finished difference Result 1531 states and 2271 transitions. [2024-11-06 12:46:54,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 12:46:54,599 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 173 [2024-11-06 12:46:54,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 12:46:54,622 INFO L225 Difference]: With dead ends: 1531 [2024-11-06 12:46:54,622 INFO L226 Difference]: Without dead ends: 751 [2024-11-06 12:46:54,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 12:46:54,635 INFO L432 NwaCegarLoop]: 1114 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, 1114 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 12:46:54,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1114 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 12:46:54,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-11-06 12:46:54,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 751. [2024-11-06 12:46:54,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 523 states have (on average 1.3747609942638623) internal successors, (719), 553 states have internal predecessors, (719), 187 states have call successors, (187), 41 states have call predecessors, (187), 40 states have return successors, (186), 176 states have call predecessors, (186), 186 states have call successors, (186) [2024-11-06 12:46:54,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1092 transitions. [2024-11-06 12:46:54,772 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1092 transitions. Word has length 173 [2024-11-06 12:46:54,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 12:46:54,774 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 1092 transitions. [2024-11-06 12:46:54,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-06 12:46:54,775 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1092 transitions. [2024-11-06 12:46:54,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-06 12:46:54,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:46:54,779 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 1, 1] [2024-11-06 12:46:54,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-06 12:46:54,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:46:54,985 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:46:54,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:46:54,986 INFO L85 PathProgramCache]: Analyzing trace with hash 729284101, now seen corresponding path program 1 times [2024-11-06 12:46:54,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:46:54,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1781628509] [2024-11-06 12:46:54,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:46:54,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:46:54,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:46:54,990 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 12:46:54,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-06 12:46:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 12:46:55,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 12:46:55,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 12:46:55,827 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-06 12:46:55,828 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 12:46:55,828 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 12:46:55,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781628509] [2024-11-06 12:46:55,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781628509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 12:46:55,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 12:46:55,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 12:46:55,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563295476] [2024-11-06 12:46:55,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 12:46:55,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 12:46:55,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 12:46:55,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 12:46:55,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:46:55,834 INFO L87 Difference]: Start difference. First operand 751 states and 1092 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 12:46:56,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 12:46:56,342 INFO L93 Difference]: Finished difference Result 1757 states and 2538 transitions. [2024-11-06 12:46:56,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 12:46:56,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 173 [2024-11-06 12:46:56,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 12:46:56,359 INFO L225 Difference]: With dead ends: 1757 [2024-11-06 12:46:56,359 INFO L226 Difference]: Without dead ends: 1045 [2024-11-06 12:46:56,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:46:56,365 INFO L432 NwaCegarLoop]: 1152 mSDtfsCounter, 454 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 2154 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-06 12:46:56,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 2154 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-06 12:46:56,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2024-11-06 12:46:56,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1042. [2024-11-06 12:46:56,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1042 states, 722 states have (on average 1.373961218836565) internal successors, (992), 769 states have internal predecessors, (992), 253 states have call successors, (253), 67 states have call predecessors, (253), 66 states have return successors, (252), 237 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-06 12:46:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1497 transitions. [2024-11-06 12:46:56,456 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1497 transitions. Word has length 173 [2024-11-06 12:46:56,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 12:46:56,458 INFO L471 AbstractCegarLoop]: Abstraction has 1042 states and 1497 transitions. [2024-11-06 12:46:56,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 12:46:56,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1497 transitions. [2024-11-06 12:46:56,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-06 12:46:56,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:46:56,462 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 12:46:56,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-06 12:46:56,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:46:56,663 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:46:56,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:46:56,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1343786550, now seen corresponding path program 1 times [2024-11-06 12:46:56,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:46:56,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [211038847] [2024-11-06 12:46:56,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:46:56,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:46:56,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:46:56,670 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 12:46:56,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-06 12:46:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 12:46:57,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 12:46:57,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 12:46:57,575 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-06 12:46:57,575 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 12:46:57,576 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 12:46:57,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211038847] [2024-11-06 12:46:57,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211038847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 12:46:57,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 12:46:57,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 12:46:57,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795061939] [2024-11-06 12:46:57,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 12:46:57,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 12:46:57,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 12:46:57,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 12:46:57,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:46:57,578 INFO L87 Difference]: Start difference. First operand 1042 states and 1497 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 12:46:58,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 12:46:58,048 INFO L93 Difference]: Finished difference Result 3016 states and 4505 transitions. [2024-11-06 12:46:58,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 12:46:58,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 183 [2024-11-06 12:46:58,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 12:46:58,069 INFO L225 Difference]: With dead ends: 3016 [2024-11-06 12:46:58,069 INFO L226 Difference]: Without dead ends: 2023 [2024-11-06 12:46:58,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:46:58,077 INFO L432 NwaCegarLoop]: 1178 mSDtfsCounter, 1098 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 2223 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-06 12:46:58,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 2223 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-06 12:46:58,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2023 states. [2024-11-06 12:46:58,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2023 to 2020. [2024-11-06 12:46:58,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2020 states, 1406 states have (on average 1.3748221906116642) internal successors, (1933), 1496 states have internal predecessors, (1933), 486 states have call successors, (486), 130 states have call predecessors, (486), 127 states have return successors, (566), 454 states have call predecessors, (566), 485 states have call successors, (566) [2024-11-06 12:46:58,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 2020 states and 2985 transitions. [2024-11-06 12:46:58,225 INFO L78 Accepts]: Start accepts. Automaton has 2020 states and 2985 transitions. Word has length 183 [2024-11-06 12:46:58,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 12:46:58,226 INFO L471 AbstractCegarLoop]: Abstraction has 2020 states and 2985 transitions. [2024-11-06 12:46:58,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 12:46:58,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2020 states and 2985 transitions. [2024-11-06 12:46:58,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-06 12:46:58,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:46:58,230 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 12:46:58,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-06 12:46:58,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:46:58,432 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:46:58,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:46:58,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1200881672, now seen corresponding path program 1 times [2024-11-06 12:46:58,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:46:58,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1284273336] [2024-11-06 12:46:58,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:46:58,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:46:58,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:46:58,438 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 12:46:58,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-06 12:46:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 12:46:59,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 12:46:59,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 12:46:59,350 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-06 12:46:59,351 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 12:46:59,351 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 12:46:59,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284273336] [2024-11-06 12:46:59,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284273336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 12:46:59,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 12:46:59,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 12:46:59,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646977702] [2024-11-06 12:46:59,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 12:46:59,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 12:46:59,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 12:46:59,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 12:46:59,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:46:59,358 INFO L87 Difference]: Start difference. First operand 2020 states and 2985 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 12:46:59,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 12:46:59,954 INFO L93 Difference]: Finished difference Result 5954 states and 9249 transitions. [2024-11-06 12:46:59,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 12:46:59,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 184 [2024-11-06 12:46:59,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 12:47:00,004 INFO L225 Difference]: With dead ends: 5954 [2024-11-06 12:47:00,006 INFO L226 Difference]: Without dead ends: 3983 [2024-11-06 12:47:00,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:47:00,025 INFO L432 NwaCegarLoop]: 1093 mSDtfsCounter, 1104 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 2135 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-06 12:47:00,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1104 Valid, 2135 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-06 12:47:00,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3983 states. [2024-11-06 12:47:00,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3983 to 3980. [2024-11-06 12:47:00,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3980 states, 2778 states have (on average 1.3740100791936645) internal successors, (3817), 2954 states have internal predecessors, (3817), 950 states have call successors, (950), 256 states have call predecessors, (950), 251 states have return successors, (1331), 891 states have call predecessors, (1331), 949 states have call successors, (1331) [2024-11-06 12:47:00,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3980 states to 3980 states and 6098 transitions. [2024-11-06 12:47:00,309 INFO L78 Accepts]: Start accepts. Automaton has 3980 states and 6098 transitions. Word has length 184 [2024-11-06 12:47:00,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 12:47:00,310 INFO L471 AbstractCegarLoop]: Abstraction has 3980 states and 6098 transitions. [2024-11-06 12:47:00,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 12:47:00,310 INFO L276 IsEmpty]: Start isEmpty. Operand 3980 states and 6098 transitions. [2024-11-06 12:47:00,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-06 12:47:00,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:47:00,314 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 12:47:00,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-06 12:47:00,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:47:00,515 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:47:00,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:47:00,516 INFO L85 PathProgramCache]: Analyzing trace with hash -416420946, now seen corresponding path program 1 times [2024-11-06 12:47:00,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:47:00,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1640157879] [2024-11-06 12:47:00,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:47:00,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:47:00,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:47:00,522 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 12:47:00,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-06 12:47:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 12:47:01,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 12:47:01,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 12:47:01,523 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-06 12:47:01,524 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 12:47:01,524 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 12:47:01,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640157879] [2024-11-06 12:47:01,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640157879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 12:47:01,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 12:47:01,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 12:47:01,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072167190] [2024-11-06 12:47:01,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 12:47:01,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 12:47:01,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 12:47:01,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 12:47:01,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:47:01,526 INFO L87 Difference]: Start difference. First operand 3980 states and 6098 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 12:47:02,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 12:47:02,270 INFO L93 Difference]: Finished difference Result 11832 states and 19316 transitions. [2024-11-06 12:47:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 12:47:02,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 185 [2024-11-06 12:47:02,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 12:47:02,338 INFO L225 Difference]: With dead ends: 11832 [2024-11-06 12:47:02,338 INFO L226 Difference]: Without dead ends: 7901 [2024-11-06 12:47:02,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:47:02,365 INFO L432 NwaCegarLoop]: 1094 mSDtfsCounter, 1104 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 2144 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-06 12:47:02,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1104 Valid, 2144 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-06 12:47:02,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7901 states. [2024-11-06 12:47:02,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7901 to 7898. [2024-11-06 12:47:02,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7898 states, 5524 states have (on average 1.37237509051412) internal successors, (7581), 5868 states have internal predecessors, (7581), 1874 states have call successors, (1874), 508 states have call predecessors, (1874), 499 states have return successors, (3227), 1765 states have call predecessors, (3227), 1873 states have call successors, (3227) [2024-11-06 12:47:02,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7898 states to 7898 states and 12682 transitions. [2024-11-06 12:47:02,902 INFO L78 Accepts]: Start accepts. Automaton has 7898 states and 12682 transitions. Word has length 185 [2024-11-06 12:47:02,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 12:47:02,903 INFO L471 AbstractCegarLoop]: Abstraction has 7898 states and 12682 transitions. [2024-11-06 12:47:02,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 12:47:02,903 INFO L276 IsEmpty]: Start isEmpty. Operand 7898 states and 12682 transitions. [2024-11-06 12:47:02,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-06 12:47:02,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:47:02,906 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 12:47:02,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-06 12:47:03,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:47:03,108 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:47:03,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:47:03,108 INFO L85 PathProgramCache]: Analyzing trace with hash -495413248, now seen corresponding path program 1 times [2024-11-06 12:47:03,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:47:03,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1257152482] [2024-11-06 12:47:03,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:47:03,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:47:03,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:47:03,112 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 12:47:03,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-06 12:47:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 12:47:03,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 926 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 12:47:03,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 12:47:04,029 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-06 12:47:04,029 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 12:47:04,029 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 12:47:04,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257152482] [2024-11-06 12:47:04,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257152482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 12:47:04,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 12:47:04,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 12:47:04,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306795350] [2024-11-06 12:47:04,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 12:47:04,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 12:47:04,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 12:47:04,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 12:47:04,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:47:04,031 INFO L87 Difference]: Start difference. First operand 7898 states and 12682 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 12:47:05,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 12:47:05,035 INFO L93 Difference]: Finished difference Result 23542 states and 40855 transitions. [2024-11-06 12:47:05,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 12:47:05,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 186 [2024-11-06 12:47:05,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 12:47:05,346 INFO L225 Difference]: With dead ends: 23542 [2024-11-06 12:47:05,347 INFO L226 Difference]: Without dead ends: 15693 [2024-11-06 12:47:05,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:47:05,421 INFO L432 NwaCegarLoop]: 1097 mSDtfsCounter, 1106 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 2147 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-06 12:47:05,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 2147 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-06 12:47:05,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15693 states. [2024-11-06 12:47:06,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15693 to 15690. [2024-11-06 12:47:06,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15690 states, 11000 states have (on average 1.3695454545454546) internal successors, (15065), 11662 states have internal predecessors, (15065), 3694 states have call successors, (3694), 1010 states have call predecessors, (3694), 995 states have return successors, (7954), 3505 states have call predecessors, (7954), 3693 states have call successors, (7954) [2024-11-06 12:47:06,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15690 states to 15690 states and 26713 transitions. [2024-11-06 12:47:06,854 INFO L78 Accepts]: Start accepts. Automaton has 15690 states and 26713 transitions. Word has length 186 [2024-11-06 12:47:06,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 12:47:06,855 INFO L471 AbstractCegarLoop]: Abstraction has 15690 states and 26713 transitions. [2024-11-06 12:47:06,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-06 12:47:06,856 INFO L276 IsEmpty]: Start isEmpty. Operand 15690 states and 26713 transitions. [2024-11-06 12:47:06,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-06 12:47:06,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 12:47:06,859 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 4, 4, 4, 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] [2024-11-06 12:47:06,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-06 12:47:07,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:47:07,061 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 12:47:07,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 12:47:07,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1411398629, now seen corresponding path program 1 times [2024-11-06 12:47:07,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 12:47:07,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1143326672] [2024-11-06 12:47:07,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 12:47:07,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:47:07,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 12:47:07,064 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 12:47:07,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-06 12:47:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 12:47:07,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 12:47:07,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 12:47:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2024-11-06 12:47:11,500 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 12:47:11,500 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 12:47:11,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143326672] [2024-11-06 12:47:11,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143326672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 12:47:11,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 12:47:11,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 12:47:11,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635923531] [2024-11-06 12:47:11,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 12:47:11,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 12:47:11,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 12:47:11,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 12:47:11,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:47:11,504 INFO L87 Difference]: Start difference. First operand 15690 states and 26713 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-06 12:47:12,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 12:47:12,406 INFO L93 Difference]: Finished difference Result 16630 states and 28001 transitions. [2024-11-06 12:47:12,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 12:47:12,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 208 [2024-11-06 12:47:12,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 12:47:12,438 INFO L225 Difference]: With dead ends: 16630 [2024-11-06 12:47:12,438 INFO L226 Difference]: Without dead ends: 0 [2024-11-06 12:47:12,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 12:47:12,545 INFO L432 NwaCegarLoop]: 1105 mSDtfsCounter, 918 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 12:47:12,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [918 Valid, 1221 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 12:47:12,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-06 12:47:12,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-06 12:47:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-06 12:47:12,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-06 12:47:12,561 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2024-11-06 12:47:12,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 12:47:12,561 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-06 12:47:12,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-06 12:47:12,562 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-06 12:47:12,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-06 12:47:12,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-06 12:47:12,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-06 12:47:12,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 12:47:12,769 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-06 12:47:12,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.