./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b95ed97ed0856045a025d665e520e401ba822fd3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 22:13:34,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:13:34,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:13:34,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:13:34,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:13:34,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:13:34,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:13:34,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:13:34,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:13:34,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:13:34,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:13:34,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:13:34,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:13:34,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:13:34,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:13:34,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:13:34,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:13:34,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:13:34,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:13:34,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:13:34,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:13:34,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:13:34,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:13:34,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:13:34,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:13:34,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:13:34,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:13:34,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:13:34,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:13:34,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:13:34,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:13:34,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:13:34,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:13:34,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:13:34,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:13:34,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:13:34,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:13:34,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:13:34,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:13:34,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:13:34,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:13:34,919 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-16 22:13:34,968 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:13:34,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:13:34,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:13:34,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:13:34,979 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:13:34,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:13:34,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:13:34,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:13:34,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 22:13:34,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:13:34,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 22:13:34,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 22:13:34,985 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:13:34,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 22:13:34,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:13:34,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:13:34,986 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:13:34,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:13:34,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:13:34,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:13:34,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:13:34,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 22:13:34,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:13:34,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:13:34,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 22:13:34,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 22:13:34,992 INFO L138 SettingsManager]: * To the following directory=dump/ 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(__VERIFIER_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 -> b95ed97ed0856045a025d665e520e401ba822fd3 [2019-11-16 22:13:35,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:13:35,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:13:35,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:13:35,640 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:13:35,645 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:13:35,646 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2019-11-16 22:13:35,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e72c151fe/24f15f103304480b9c8afa3047788b78/FLAG7a8853104 [2019-11-16 22:13:38,072 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:13:38,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2019-11-16 22:13:38,277 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e72c151fe/24f15f103304480b9c8afa3047788b78/FLAG7a8853104 [2019-11-16 22:13:38,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e72c151fe/24f15f103304480b9c8afa3047788b78 [2019-11-16 22:13:38,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:13:38,349 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 22:13:38,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:13:38,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:13:38,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:13:38,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:13:38" (1/1) ... [2019-11-16 22:13:38,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a02c138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:38, skipping insertion in model container [2019-11-16 22:13:38,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:13:38" (1/1) ... [2019-11-16 22:13:38,402 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:13:38,897 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:13:51,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:13:51,321 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 22:13:53,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 22:13:57,114 INFO L192 MainTranslator]: Completed translation [2019-11-16 22:13:57,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57 WrapperNode [2019-11-16 22:13:57,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:13:57,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 22:13:57,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 22:13:57,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 22:13:57,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57" (1/1) ... [2019-11-16 22:13:57,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57" (1/1) ... [2019-11-16 22:14:13,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 22:14:13,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 22:14:13,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 22:14:13,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 22:14:13,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57" (1/1) ... [2019-11-16 22:14:13,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57" (1/1) ... [2019-11-16 22:14:15,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57" (1/1) ... [2019-11-16 22:14:15,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57" (1/1) ... [2019-11-16 22:14:20,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57" (1/1) ... [2019-11-16 22:14:26,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57" (1/1) ... [2019-11-16 22:14:27,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:57" (1/1) ... [2019-11-16 22:14:28,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 22:14:28,861 INFO L168 Benchmark]: Toolchain (without parser) took 50509.98 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 691.3 MB). Free memory was 937.4 MB in the beginning and 897.1 MB in the end (delta: 40.2 MB). Peak memory consumption was 964.9 MB. Max. memory is 12.5 GB. [2019-11-16 22:14:28,863 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 22:14:28,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 18759.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 937.4 MB in the beginning and 838.9 MB in the end (delta: 98.5 MB). Peak memory consumption was 314.4 MB. Max. memory is 12.5 GB. [2019-11-16 22:14:28,871 INFO L168 Benchmark]: Boogie Procedure Inliner took 16536.95 ms. Allocated memory is still 1.0 GB. Free memory was 838.9 MB in the beginning and 414.7 MB in the end (delta: 424.1 MB). Peak memory consumption was 553.3 MB. Max. memory is 12.5 GB. [2019-11-16 22:14:28,881 INFO L168 Benchmark]: Boogie Preprocessor took 15196.89 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 691.3 MB). Free memory was 414.7 MB in the beginning and 897.1 MB in the end (delta: -482.4 MB). Peak memory consumption was 442.2 MB. Max. memory is 12.5 GB. [2019-11-16 22:14:28,892 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 18759.97 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 937.4 MB in the beginning and 838.9 MB in the end (delta: 98.5 MB). Peak memory consumption was 314.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 16536.95 ms. Allocated memory is still 1.0 GB. Free memory was 838.9 MB in the beginning and 414.7 MB in the end (delta: 424.1 MB). Peak memory consumption was 553.3 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 15196.89 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 691.3 MB). Free memory was 414.7 MB in the beginning and 897.1 MB in the end (delta: -482.4 MB). Peak memory consumption was 442.2 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...