/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 16:38:23,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 16:38:23,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 16:38:23,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 16:38:23,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 16:38:23,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 16:38:23,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 16:38:23,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 16:38:23,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 16:38:23,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 16:38:23,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 16:38:23,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 16:38:23,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 16:38:23,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 16:38:23,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 16:38:23,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 16:38:23,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 16:38:23,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 16:38:23,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 16:38:23,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 16:38:23,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 16:38:23,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 16:38:23,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 16:38:23,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 16:38:23,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 16:38:23,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 16:38:23,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 16:38:23,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 16:38:23,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 16:38:23,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 16:38:23,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 16:38:23,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 16:38:23,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 16:38:23,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 16:38:23,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 16:38:23,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 16:38:23,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 16:38:23,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 16:38:23,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 16:38:23,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 16:38:23,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 16:38:23,516 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 16:38:23,572 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 16:38:23,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 16:38:23,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 16:38:23,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 16:38:23,576 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 16:38:23,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 16:38:23,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 16:38:23,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 16:38:23,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 16:38:23,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 16:38:23,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 16:38:23,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 16:38:23,579 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 16:38:23,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 16:38:23,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 16:38:23,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 16:38:23,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 16:38:23,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 16:38:23,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 16:38:23,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 16:38:23,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 16:38:23,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 16:38:23,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 16:38:23,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 16:38:23,582 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 16:38:23,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 16:38:23,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 16:38:24,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 16:38:24,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 16:38:24,015 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 16:38:24,015 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 16:38:24,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i [2020-12-22 16:38:24,104 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f38d23dc/74020a66ff454212a51a652fb08fd4a0/FLAGd595d77fa [2020-12-22 16:38:25,623 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 16:38:25,624 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i [2020-12-22 16:38:25,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f38d23dc/74020a66ff454212a51a652fb08fd4a0/FLAGd595d77fa [2020-12-22 16:38:26,219 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f38d23dc/74020a66ff454212a51a652fb08fd4a0 [2020-12-22 16:38:26,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 16:38:26,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 16:38:26,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 16:38:26,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 16:38:26,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 16:38:26,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:38:26" (1/1) ... [2020-12-22 16:38:26,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38fc25ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:38:26, skipping insertion in model container [2020-12-22 16:38:26,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 04:38:26" (1/1) ... [2020-12-22 16:38:26,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 16:38:26,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 16:38:34,558 WARN L226 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-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i[633785,633798] [2020-12-22 16:38:34,563 WARN L226 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-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i[633954,633967] [2020-12-22 16:38:34,563 WARN L226 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-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i[634121,634134] [2020-12-22 16:38:34,564 WARN L226 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-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i[634289,634302] [2020-12-22 16:38:34,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 16:38:34,761 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 16:38:35,804 WARN L226 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-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i[633785,633798] [2020-12-22 16:38:35,805 WARN L226 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-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i[633954,633967] [2020-12-22 16:38:35,812 WARN L226 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-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i[634121,634134] [2020-12-22 16:38:35,813 WARN L226 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-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i[634289,634302] [2020-12-22 16:38:35,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 16:38:37,988 INFO L208 MainTranslator]: Completed translation [2020-12-22 16:38:37,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:38:37 WrapperNode [2020-12-22 16:38:37,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 16:38:37,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 16:38:37,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 16:38:37,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 16:38:37,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:38:37" (1/1) ... [2020-12-22 16:38:38,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 04:38:37" (1/1) ...