./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47b0bc17 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-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.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 877ab77d648665c4cf2d81403101d2cbdf2bcd41 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-47b0bc1 [2019-11-20 23:41:22,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:41:22,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:41:22,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:41:22,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:41:22,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:41:22,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:41:22,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:41:22,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:41:22,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:41:22,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:41:22,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:41:22,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:41:22,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:41:22,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:41:22,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:41:22,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:41:22,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:41:22,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:41:22,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:41:22,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:41:22,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:41:22,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:41:22,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:41:22,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:41:22,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:41:22,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:41:22,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:41:22,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:41:22,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:41:22,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:41:22,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:41:22,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:41:22,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:41:22,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:41:22,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:41:22,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:41:22,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:41:22,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:41:22,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:41:22,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:41:22,806 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-20 23:41:22,846 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:41:22,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:41:22,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:41:22,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:41:22,855 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:41:22,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:41:22,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:41:22,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:41:22,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 23:41:22,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 23:41:22,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 23:41:22,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 23:41:22,860 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:41:22,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 23:41:22,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:41:22,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:41:22,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 23:41:22,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 23:41:22,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 23:41:22,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:41:22,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 23:41:22,868 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 23:41:22,868 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 23:41:22,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 23:41:22,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 23:41:22,869 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 23:41:22,870 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 -> 877ab77d648665c4cf2d81403101d2cbdf2bcd41 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:41:23,484 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:41:23,513 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:41:23,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:41:23,525 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:41:23,529 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:41:23,530 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2019-11-20 23:41:23,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db80e730/7940ac334eac4a38b32d1282d1c05729/FLAG5fbd8fa8f [2019-11-20 23:41:26,367 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:41:26,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2019-11-20 23:41:26,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db80e730/7940ac334eac4a38b32d1282d1c05729/FLAG5fbd8fa8f [2019-11-20 23:41:26,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db80e730/7940ac334eac4a38b32d1282d1c05729 [2019-11-20 23:41:26,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:41:26,707 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 23:41:26,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:41:26,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:41:26,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:41:26,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:41:26" (1/1) ... [2019-11-20 23:41:26,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c30143f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:41:26, skipping insertion in model container [2019-11-20 23:41:26,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:41:26" (1/1) ... [2019-11-20 23:41:26,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:41:27,643 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:41:40,729 ERROR L323 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2019-11-20 23:41:40,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1163fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:41:40, skipping insertion in model container [2019-11-20 23:41:40,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:41:40,735 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-20 23:41:40,749 INFO L168 Benchmark]: Toolchain (without parser) took 14032.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 927.1 MB in the beginning and 772.0 MB in the end (delta: 155.0 MB). Peak memory consumption was 164.3 MB. Max. memory is 12.5 GB. [2019-11-20 23:41:40,750 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:41:40,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 14023.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 927.1 MB in the beginning and 772.0 MB in the end (delta: 155.0 MB). Peak memory consumption was 164.3 MB. Max. memory is 12.5 GB. [2019-11-20 23:41:40,758 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 14023.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 927.1 MB in the beginning and 772.0 MB in the end (delta: 155.0 MB). Peak memory consumption was 164.3 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15149]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...