./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-media-usb-au0828-au0828_true-unreach-call.cil.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e97f2150-858c-4b2f-a05b-fd060f31d5bf/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e97f2150-858c-4b2f-a05b-fd060f31d5bf/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e97f2150-858c-4b2f-a05b-fd060f31d5bf/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e97f2150-858c-4b2f-a05b-fd060f31d5bf/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-media-usb-au0828-au0828_true-unreach-call.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e97f2150-858c-4b2f-a05b-fd060f31d5bf/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e97f2150-858c-4b2f-a05b-fd060f31d5bf/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e4a3f82d2fb4e93b4034bfda81f1ec5bad4fa879 .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:21:54,689 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:21:54,691 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:21:54,700 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:21:54,701 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:21:54,702 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:21:54,703 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:21:54,704 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:21:54,706 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:21:54,707 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:21:54,708 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:21:54,708 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:21:54,710 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:21:54,710 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:21:54,711 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:21:54,712 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:21:54,713 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:21:54,715 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:21:54,716 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:21:54,718 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:21:54,719 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:21:54,720 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:21:54,723 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:21:54,723 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:21:54,723 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:21:54,724 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:21:54,725 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:21:54,726 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:21:54,727 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:21:54,728 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:21:54,728 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:21:54,729 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:21:54,729 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:21:54,730 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:21:54,731 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:21:54,731 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:21:54,732 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e97f2150-858c-4b2f-a05b-fd060f31d5bf/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-26 19:21:54,744 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:21:54,744 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:21:54,745 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:21:54,745 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 19:21:54,745 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 19:21:54,746 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 19:21:54,746 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 19:21:54,746 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 19:21:54,746 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-26 19:21:54,746 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 19:21:54,746 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 19:21:54,746 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 19:21:54,747 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:21:54,747 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:21:54,747 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:21:54,748 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:21:54,748 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:21:54,748 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:21:54,748 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:21:54,748 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:21:54,748 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:21:54,749 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:21:54,749 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:21:54,749 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:21:54,751 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:21:54,751 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:21:54,751 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:21:54,752 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:21:54,752 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 19:21:54,752 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:21:54,752 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:21:54,752 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:21:54,752 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 19:21:54,752 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e97f2150-858c-4b2f-a05b-fd060f31d5bf/bin-2019/utaipan 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 -> Taipan 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 -> e4a3f82d2fb4e93b4034bfda81f1ec5bad4fa879 [2018-10-26 19:21:54,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:21:54,795 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:21:54,801 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:21:54,802 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:21:54,802 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:21:54,803 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e97f2150-858c-4b2f-a05b-fd060f31d5bf/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-media-usb-au0828-au0828_true-unreach-call.cil.c [2018-10-26 19:21:54,850 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e97f2150-858c-4b2f-a05b-fd060f31d5bf/bin-2019/utaipan/data/56eb19c2d/c86dc43861094ed1aed3da937977a42b/FLAG0cf3edb79 [2018-10-26 19:21:55,717 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:21:55,720 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e97f2150-858c-4b2f-a05b-fd060f31d5bf/sv-benchmarks/c/ldv-linux-3.14/linux-3.14__complex_emg__linux-kernel-locking-spinlock__drivers-media-usb-au0828-au0828_true-unreach-call.cil.c [2018-10-26 19:21:55,788 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e97f2150-858c-4b2f-a05b-fd060f31d5bf/bin-2019/utaipan/data/56eb19c2d/c86dc43861094ed1aed3da937977a42b/FLAG0cf3edb79 [2018-10-26 19:21:55,808 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e97f2150-858c-4b2f-a05b-fd060f31d5bf/bin-2019/utaipan/data/56eb19c2d/c86dc43861094ed1aed3da937977a42b [2018-10-26 19:21:55,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:21:55,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:21:55,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:21:55,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:21:55,821 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:21:55,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:21:55" (1/1) ... [2018-10-26 19:21:55,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b727fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:21:55, skipping insertion in model container [2018-10-26 19:21:55,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:21:55" (1/1) ... [2018-10-26 19:21:55,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:21:55,989 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:22:01,382 WARN L309 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2018-10-26 19:22:01,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@39ccad0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:22:01, skipping insertion in model container [2018-10-26 19:22:01,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:22:01,384 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-10-26 19:22:01,385 INFO L168 Benchmark]: Toolchain (without parser) took 5570.65 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.4 MB). Free memory was 941.9 MB in the beginning and 831.1 MB in the end (delta: 110.7 MB). Peak memory consumption was 427.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:22:01,387 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:22:01,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5567.73 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.4 MB). Free memory was 941.9 MB in the beginning and 831.1 MB in the end (delta: 110.7 MB). Peak memory consumption was 427.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:22:01,391 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 5567.73 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.4 MB). Free memory was 941.9 MB in the beginning and 831.1 MB in the end (delta: 110.7 MB). Peak memory consumption was 427.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 15967]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...