/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/SifaC.xml --sifa.abstract.domain IntervalDomain -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--staging--rtl8723au--r8723au.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.fs.sifa-quantifier-058fc93 [2023-03-22 16:49:36,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-22 16:49:36,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-22 16:49:36,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-22 16:49:36,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-22 16:49:36,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-22 16:49:36,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-22 16:49:36,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-22 16:49:36,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-22 16:49:36,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-22 16:49:36,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-22 16:49:36,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-22 16:49:36,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-22 16:49:36,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-22 16:49:36,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-22 16:49:36,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-22 16:49:36,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-22 16:49:36,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-22 16:49:36,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-22 16:49:36,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-22 16:49:36,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-22 16:49:36,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-22 16:49:36,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-22 16:49:36,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-22 16:49:36,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-22 16:49:36,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-22 16:49:36,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-22 16:49:36,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-22 16:49:36,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-22 16:49:36,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-22 16:49:36,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-22 16:49:36,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-22 16:49:36,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-22 16:49:36,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-22 16:49:36,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-22 16:49:36,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-22 16:49:36,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-22 16:49:36,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-22 16:49:36,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-22 16:49:36,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-22 16:49:36,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-22 16:49:36,680 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-03-22 16:49:36,707 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-22 16:49:36,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-22 16:49:36,708 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-22 16:49:36,708 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-22 16:49:36,709 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-22 16:49:36,709 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-22 16:49:36,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-22 16:49:36,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-22 16:49:36,710 INFO L138 SettingsManager]: * Use SBE=true [2023-03-22 16:49:36,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-22 16:49:36,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-22 16:49:36,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-22 16:49:36,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-22 16:49:36,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-22 16:49:36,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-22 16:49:36,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-22 16:49:36,711 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-22 16:49:36,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-22 16:49:36,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-22 16:49:36,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-22 16:49:36,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-22 16:49:36,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-22 16:49:36,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-22 16:49:36,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-22 16:49:36,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-22 16:49:36,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-22 16:49:36,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-22 16:49:36,712 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-22 16:49:36,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-22 16:49:36,712 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-22 16:49:36,712 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-22 16:49:36,712 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-22 16:49:36,712 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-22 16:49:36,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-22 16:49:36,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-22 16:49:36,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-22 16:49:36,903 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-22 16:49:36,903 INFO L275 PluginConnector]: CDTParser initialized [2023-03-22 16:49:36,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--staging--rtl8723au--r8723au.ko-entry_point.cil.out.i [2023-03-22 16:49:37,951 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-22 16:49:39,066 INFO L351 CDTParser]: Found 1 translation units. [2023-03-22 16:49:39,067 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--staging--rtl8723au--r8723au.ko-entry_point.cil.out.i [2023-03-22 16:49:39,210 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0758e2d73/67c8ecd1946e4628ae1b991a230bfaf8/FLAGad0bed21f [2023-03-22 16:49:39,223 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0758e2d73/67c8ecd1946e4628ae1b991a230bfaf8 [2023-03-22 16:49:39,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-22 16:49:39,226 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-22 16:49:39,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-22 16:49:39,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-22 16:49:39,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-22 16:49:39,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 04:49:39" (1/1) ... [2023-03-22 16:49:39,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa0dc39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.03 04:49:39, skipping insertion in model container [2023-03-22 16:49:39,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.03 04:49:39" (1/1) ... [2023-03-22 16:49:39,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-22 16:49:39,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-22 16:50:47,036 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--staging--rtl8723au--r8723au.ko-entry_point.cil.out.i[2507648,2507661] [2023-03-22 16:50:49,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-22 16:50:49,979 INFO L203 MainTranslator]: Completed pre-run