./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point_true-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2b5f2a43-a60f-4015-996b-d4e27ef0e3be/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2b5f2a43-a60f-4015-996b-d4e27ef0e3be/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2b5f2a43-a60f-4015-996b-d4e27ef0e3be/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2b5f2a43-a60f-4015-996b-d4e27ef0e3be/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2b5f2a43-a60f-4015-996b-d4e27ef0e3be/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2b5f2a43-a60f-4015-996b-d4e27ef0e3be/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 0e4b05f56a8a38a697b137a8ed320d85c33862b5 ............................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:08:39,412 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:08:39,413 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:08:39,420 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:08:39,420 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:08:39,421 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:08:39,422 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:08:39,423 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:08:39,424 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:08:39,425 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:08:39,425 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:08:39,426 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:08:39,426 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:08:39,427 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:08:39,428 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:08:39,428 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:08:39,429 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:08:39,430 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:08:39,432 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:08:39,433 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:08:39,434 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:08:39,435 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:08:39,436 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:08:39,436 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:08:39,437 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:08:39,437 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:08:39,438 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:08:39,439 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:08:39,439 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:08:39,440 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:08:39,440 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:08:39,441 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:08:39,441 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:08:39,441 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:08:39,442 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:08:39,442 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:08:39,442 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2b5f2a43-a60f-4015-996b-d4e27ef0e3be/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-23 14:08:39,453 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:08:39,453 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:08:39,454 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:08:39,454 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:08:39,454 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 14:08:39,454 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 14:08:39,454 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 14:08:39,454 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 14:08:39,454 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 14:08:39,454 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 14:08:39,455 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-23 14:08:39,455 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 14:08:39,455 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 14:08:39,455 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 14:08:39,456 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:08:39,456 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:08:39,456 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:08:39,456 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:08:39,456 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:08:39,456 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:08:39,456 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:08:39,457 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:08:39,457 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:08:39,457 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:08:39,457 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:08:39,457 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:08:39,457 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:08:39,457 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:08:39,457 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:08:39,458 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:08:39,458 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:08:39,458 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 14:08:39,458 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:08:39,458 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:08:39,458 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 14:08:39,458 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-23 14:08:39,459 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_2b5f2a43-a60f-4015-996b-d4e27ef0e3be/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 -> 0e4b05f56a8a38a697b137a8ed320d85c33862b5 [2018-11-23 14:08:39,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:08:39,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:08:39,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:08:39,493 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:08:39,493 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:08:39,494 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2b5f2a43-a60f-4015-996b-d4e27ef0e3be/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 14:08:39,532 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b5f2a43-a60f-4015-996b-d4e27ef0e3be/bin-2019/utaipan/data/15b4e4d82/911037af1ace41d98ee7a951771987ea/FLAG84a11fc53 [2018-11-23 14:08:41,427 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:08:41,428 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2b5f2a43-a60f-4015-996b-d4e27ef0e3be/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point_true-unreach-call.cil.out.c [2018-11-23 14:08:41,614 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b5f2a43-a60f-4015-996b-d4e27ef0e3be/bin-2019/utaipan/data/15b4e4d82/911037af1ace41d98ee7a951771987ea/FLAG84a11fc53 [2018-11-23 14:08:41,789 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2b5f2a43-a60f-4015-996b-d4e27ef0e3be/bin-2019/utaipan/data/15b4e4d82/911037af1ace41d98ee7a951771987ea [2018-11-23 14:08:41,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:08:41,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:08:41,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:08:41,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:08:41,795 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:08:41,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:08:41" (1/1) ... [2018-11-23 14:08:41,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2487245b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:08:41, skipping insertion in model container [2018-11-23 14:08:41,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:08:41" (1/1) ... [2018-11-23 14:08:41,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:08:42,566 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:09:17,690 ERROR L311 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2018-11-23 14:09:17,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42262b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:17, skipping insertion in model container [2018-11-23 14:09:17,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:09:17,692 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-23 14:09:17,692 INFO L168 Benchmark]: Toolchain (without parser) took 35900.50 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 402.7 MB). Free memory was 1.0 GB in the beginning and 911.4 MB in the end (delta: 94.4 MB). Peak memory consumption was 632.9 MB. Max. memory is 11.5 GB. [2018-11-23 14:09:17,693 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-23 14:09:17,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 35898.94 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 402.7 MB). Free memory was 1.0 GB in the beginning and 911.4 MB in the end (delta: 94.4 MB). Peak memory consumption was 632.9 MB. Max. memory is 11.5 GB. [2018-11-23 14:09:17,695 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 35898.94 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 402.7 MB). Free memory was 1.0 GB in the beginning and 911.4 MB in the end (delta: 94.4 MB). Peak memory consumption was 632.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 23661]: 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...