/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:24:55,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:24:55,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:24:55,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:24:55,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:24:55,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:24:55,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:24:55,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:24:55,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:24:55,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:24:55,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:24:55,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:24:55,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:24:55,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:24:55,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:24:55,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:24:55,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:24:55,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:24:55,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:24:55,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:24:55,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:24:55,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:24:55,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:24:55,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:24:55,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:24:55,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:24:55,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:24:55,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:24:55,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:24:55,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:24:55,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:24:55,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:24:55,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:24:55,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:24:55,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:24:55,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:24:55,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:24:55,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:24:55,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:24:55,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:24:55,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:24:55,888 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:24:55,949 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:24:55,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:24:55,950 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:24:55,950 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:24:55,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:24:55,953 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:24:55,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:24:55,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:24:55,957 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:24:55,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:24:55,958 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:24:55,959 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:24:55,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:24:55,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:24:55,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:24:55,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:24:55,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:24:55,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:24:55,960 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:24:55,960 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:24:55,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:24:55,961 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:24:55,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:24:55,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:24:55,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:24:55,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:24:55,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:24:55,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:24:55,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:24:55,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:24:55,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:24:55,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:24:55,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:24:55,964 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:24:56,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:24:56,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:24:56,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:24:56,422 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:24:56,423 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:24:56,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2022-10-16 12:24:56,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3baa77eab/cd62bfdbae0f4cc5aecf3a9b7e9ce699/FLAG5da48d4c9 [2022-10-16 12:24:58,083 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:24:58,084 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2022-10-16 12:24:58,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3baa77eab/cd62bfdbae0f4cc5aecf3a9b7e9ce699/FLAG5da48d4c9 [2022-10-16 12:24:58,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3baa77eab/cd62bfdbae0f4cc5aecf3a9b7e9ce699 [2022-10-16 12:24:58,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:24:58,520 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:24:58,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:24:58,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:24:58,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:24:58,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:24:58" (1/1) ... [2022-10-16 12:24:58,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e4d6d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:24:58, skipping insertion in model container [2022-10-16 12:24:58,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:24:58" (1/1) ... [2022-10-16 12:24:58,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:24:58,880 INFO L178 MainTranslator]: Built tables and reachable declarations