./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14__linux-kernel-locking-mutex__drivers-net-ethernet-chelsio-cxgb4-cxgb4_true-unreach-call.cil.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_74f9549c-cc8d-4511-b29f-5287cca3e071/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_74f9549c-cc8d-4511-b29f-5287cca3e071/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_74f9549c-cc8d-4511-b29f-5287cca3e071/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_74f9549c-cc8d-4511-b29f-5287cca3e071/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14__linux-kernel-locking-mutex__drivers-net-ethernet-chelsio-cxgb4-cxgb4_true-unreach-call.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_74f9549c-cc8d-4511-b29f-5287cca3e071/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_74f9549c-cc8d-4511-b29f-5287cca3e071/bin-2019/uautomizer --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 ab4736e244ad11c1c48774d958267d47b8a0684b ............................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:32:19,418 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:32:19,419 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:32:19,426 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:32:19,426 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:32:19,427 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:32:19,428 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:32:19,429 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:32:19,430 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:32:19,431 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:32:19,432 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:32:19,432 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:32:19,432 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:32:19,433 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:32:19,434 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:32:19,435 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:32:19,435 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:32:19,436 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:32:19,438 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:32:19,439 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:32:19,440 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:32:19,441 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:32:19,443 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:32:19,443 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:32:19,443 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:32:19,444 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:32:19,444 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:32:19,445 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:32:19,445 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:32:19,446 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:32:19,446 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:32:19,447 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:32:19,447 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:32:19,447 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:32:19,448 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:32:19,448 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:32:19,448 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_74f9549c-cc8d-4511-b29f-5287cca3e071/bin-2019/uautomizer/config/svcomp-Reach-64bit-Automizer_Default.epf [2018-11-18 13:32:19,458 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:32:19,458 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:32:19,459 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:32:19,459 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:32:19,460 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:32:19,460 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:32:19,460 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:32:19,460 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:32:19,460 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:32:19,460 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:32:19,461 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:32:19,461 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:32:19,461 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:32:19,462 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:32:19,462 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:32:19,462 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:32:19,463 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:32:19,463 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:32:19,463 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:32:19,463 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:32:19,463 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:32:19,463 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:32:19,464 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:32:19,464 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:32:19,464 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:32:19,464 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:32:19,464 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:32:19,464 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:32:19,464 INFO L133 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_74f9549c-cc8d-4511-b29f-5287cca3e071/bin-2019/uautomizer 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 -> ab4736e244ad11c1c48774d958267d47b8a0684b [2018-11-18 13:32:19,492 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:32:19,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:32:19,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:32:19,504 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:32:19,504 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:32:19,505 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_74f9549c-cc8d-4511-b29f-5287cca3e071/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-challenges/linux-3.14__linux-kernel-locking-mutex__drivers-net-ethernet-chelsio-cxgb4-cxgb4_true-unreach-call.cil.c [2018-11-18 13:32:19,549 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74f9549c-cc8d-4511-b29f-5287cca3e071/bin-2019/uautomizer/data/d2a1217c2/75ab95d350b04cdcb3be91666e8a8290/FLAGdb8952f29 [2018-11-18 13:32:20,346 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:32:20,347 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_74f9549c-cc8d-4511-b29f-5287cca3e071/sv-benchmarks/c/ldv-challenges/linux-3.14__linux-kernel-locking-mutex__drivers-net-ethernet-chelsio-cxgb4-cxgb4_true-unreach-call.cil.c [2018-11-18 13:32:20,407 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_74f9549c-cc8d-4511-b29f-5287cca3e071/bin-2019/uautomizer/data/d2a1217c2/75ab95d350b04cdcb3be91666e8a8290/FLAGdb8952f29 [2018-11-18 13:32:20,526 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_74f9549c-cc8d-4511-b29f-5287cca3e071/bin-2019/uautomizer/data/d2a1217c2/75ab95d350b04cdcb3be91666e8a8290 [2018-11-18 13:32:20,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:32:20,530 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:32:20,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:32:20,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:32:20,534 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:32:20,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:32:20" (1/1) ... [2018-11-18 13:32:20,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@273b531f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:20, skipping insertion in model container [2018-11-18 13:32:20,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:32:20" (1/1) ... [2018-11-18 13:32:20,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:32:20,749 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:32:26,267 ERROR L311 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int [2018-11-18 13:32:26,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6f2718ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:32:26, skipping insertion in model container [2018-11-18 13:32:26,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:32:26,268 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2018-11-18 13:32:26,269 INFO L168 Benchmark]: Toolchain (without parser) took 5739.02 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 332.4 MB). Free memory was 912.6 MB in the beginning and 866.9 MB in the end (delta: 45.6 MB). Peak memory consumption was 421.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:32:26,270 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:32:26,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5737.06 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 332.4 MB). Free memory was 912.6 MB in the beginning and 866.9 MB in the end (delta: 45.6 MB). Peak memory consumption was 421.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:32:26,273 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 5737.06 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 332.4 MB). Free memory was 912.6 MB in the beginning and 866.9 MB in the end (delta: 45.6 MB). Peak memory consumption was 421.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15677]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: ##fun~$Pointer$~X~intX~varArgs~~TO~int RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...