./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.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-kernel-locking-mutex_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 ef7bf77e51c0f8f5865deab103fc7e7fc8adb7e5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:13:55,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 22:13:55,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 22:13:55,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 22:13:55,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 22:13:55,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 22:13:55,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 22:13:55,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 22:13:55,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 22:13:55,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 22:13:55,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 22:13:55,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 22:13:55,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 22:13:55,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 22:13:55,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 22:13:55,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 22:13:55,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 22:13:55,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 22:13:55,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 22:13:55,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 22:13:55,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 22:13:55,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 22:13:55,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 22:13:55,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 22:13:55,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 22:13:55,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 22:13:55,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 22:13:55,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 22:13:55,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 22:13:55,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 22:13:55,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 22:13:55,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 22:13:55,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 22:13:55,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 22:13:55,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 22:13:55,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 22:13:55,495 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 22:13:55,495 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 22:13:55,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 22:13:55,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 22:13:55,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 22:13:55,506 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-16 22:13:55,550 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 22:13:55,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 22:13:55,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 22:13:55,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 22:13:55,561 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 22:13:55,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 22:13:55,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 22:13:55,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 22:13:55,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 22:13:55,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 22:13:55,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 22:13:55,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 22:13:55,567 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 22:13:55,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 22:13:55,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 22:13:55,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 22:13:55,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 22:13:55,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 22:13:55,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 22:13:55,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 22:13:55,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 22:13:55,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 22:13:55,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 22:13:55,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 22:13:55,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 22:13:55,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 22:13:55,578 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 -> ef7bf77e51c0f8f5865deab103fc7e7fc8adb7e5 [2019-11-16 22:13:56,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 22:13:56,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 22:13:56,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 22:13:56,214 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 22:13:56,214 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 22:13:56,218 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2019-11-16 22:13:56,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcf14c815/8f11a467bc2d407594b0b4f87b3419f6/FLAGa2faeb6f3 [2019-11-16 22:13:59,421 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 22:13:59,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-chelsio-cxgb4-cxgb4.cil.i [2019-11-16 22:13:59,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcf14c815/8f11a467bc2d407594b0b4f87b3419f6/FLAGa2faeb6f3 [2019-11-16 22:13:59,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcf14c815/8f11a467bc2d407594b0b4f87b3419f6 [2019-11-16 22:13:59,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 22:13:59,734 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 22:13:59,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 22:13:59,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 22:13:59,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 22:13:59,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:13:59" (1/1) ... [2019-11-16 22:13:59,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4356e149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:13:59, skipping insertion in model container [2019-11-16 22:13:59,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:13:59" (1/1) ... [2019-11-16 22:13:59,785 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 22:14:00,757 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 22:14:12,987 ERROR L309 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2019-11-16 22:14:12,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@de80429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:14:12, skipping insertion in model container [2019-11-16 22:14:12,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 22:14:12,990 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-16 22:14:13,008 INFO L168 Benchmark]: Toolchain (without parser) took 13259.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 919.9 MB in the beginning and 789.5 MB in the end (delta: 130.4 MB). Peak memory consumption was 155.9 MB. Max. memory is 12.5 GB. [2019-11-16 22:14:13,011 INFO L168 Benchmark]: CDTParser took 0.84 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 22:14:13,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 13250.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 919.9 MB in the beginning and 789.5 MB in the end (delta: 130.4 MB). Peak memory consumption was 155.9 MB. Max. memory is 12.5 GB. [2019-11-16 22:14:13,020 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 13250.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 919.9 MB in the beginning and 789.5 MB in the end (delta: 130.4 MB). Peak memory consumption was 155.9 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15113]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...