./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fba379fbfac1af79fe8a5c27c3b9f41dc41816d738cc7a403ad664358d1c3b37 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 19:05:05,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 19:05:05,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 19:05:05,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 19:05:05,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 19:05:05,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 19:05:05,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 19:05:05,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 19:05:05,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 19:05:05,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 19:05:05,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 19:05:05,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 19:05:05,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 19:05:05,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 19:05:05,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 19:05:05,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 19:05:05,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 19:05:05,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 19:05:05,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 19:05:05,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 19:05:05,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 19:05:05,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 19:05:05,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 19:05:05,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 19:05:05,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 19:05:05,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 19:05:05,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 19:05:05,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 19:05:05,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 19:05:05,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 19:05:05,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 19:05:05,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 19:05:05,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 19:05:05,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 19:05:05,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 19:05:05,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 19:05:05,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 19:05:05,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 19:05:05,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 19:05:05,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 19:05:05,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 19:05:05,909 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 19:05:05,927 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 19:05:05,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 19:05:05,928 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 19:05:05,929 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 19:05:05,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 19:05:05,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 19:05:05,930 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 19:05:05,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 19:05:05,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 19:05:05,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 19:05:05,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 19:05:05,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 19:05:05,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 19:05:05,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 19:05:05,932 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 19:05:05,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 19:05:05,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 19:05:05,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 19:05:05,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 19:05:05,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 19:05:05,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 19:05:05,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 19:05:05,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 19:05:05,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 19:05:05,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 19:05:05,935 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 19:05:05,935 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 19:05:05,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 19:05:05,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 19:05:05,936 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fba379fbfac1af79fe8a5c27c3b9f41dc41816d738cc7a403ad664358d1c3b37 [2021-11-06 19:05:06,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 19:05:06,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 19:05:06,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 19:05:06,178 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 19:05:06,181 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 19:05:06,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i [2021-11-06 19:05:06,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a90daa08b/7a582c22ea9445e09a24357dc91b4622/FLAG6df249b1c [2021-11-06 19:05:07,374 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 19:05:07,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i [2021-11-06 19:05:07,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a90daa08b/7a582c22ea9445e09a24357dc91b4622/FLAG6df249b1c [2021-11-06 19:05:07,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a90daa08b/7a582c22ea9445e09a24357dc91b4622 [2021-11-06 19:05:07,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 19:05:07,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 19:05:07,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 19:05:07,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 19:05:07,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 19:05:07,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:05:07" (1/1) ... [2021-11-06 19:05:07,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374af8dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:07, skipping insertion in model container [2021-11-06 19:05:07,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:05:07" (1/1) ... [2021-11-06 19:05:07,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 19:05:07,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 19:05:14,811 WARN L228 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i[639602,639615] [2021-11-06 19:05:14,813 WARN L228 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i[639771,639784] [2021-11-06 19:05:14,814 WARN L228 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i[639938,639951] [2021-11-06 19:05:14,815 WARN L228 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i[640106,640119] [2021-11-06 19:05:14,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 19:05:14,909 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 19:05:15,572 WARN L228 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i[639602,639615] [2021-11-06 19:05:15,573 WARN L228 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i[639771,639784] [2021-11-06 19:05:15,574 WARN L228 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i[639938,639951] [2021-11-06 19:05:15,574 WARN L228 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-fddi-skfp-skfp.cil.i[640106,640119] [2021-11-06 19:05:15,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 19:05:15,795 INFO L208 MainTranslator]: Completed translation [2021-11-06 19:05:15,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:15 WrapperNode [2021-11-06 19:05:15,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 19:05:15,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 19:05:15,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 19:05:15,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 19:05:15,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:15" (1/1) ... [2021-11-06 19:05:16,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:05:15" (1/1) ...