./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--qxl--qxl.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9712fd90-534a-4b47-a9d0-a4328739c4cc/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9712fd90-534a-4b47-a9d0-a4328739c4cc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9712fd90-534a-4b47-a9d0-a4328739c4cc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9712fd90-534a-4b47-a9d0-a4328739c4cc/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9712fd90-534a-4b47-a9d0-a4328739c4cc/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9712fd90-534a-4b47-a9d0-a4328739c4cc/bin/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 6a95f1fc033a0de4a2f7f3c5d7d60bfd2baeb50a ................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 03:00:02,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 03:00:02,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 03:00:02,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 03:00:02,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 03:00:02,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 03:00:02,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 03:00:02,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 03:00:02,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 03:00:02,541 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 03:00:02,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 03:00:02,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 03:00:02,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 03:00:02,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 03:00:02,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 03:00:02,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 03:00:02,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 03:00:02,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 03:00:02,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 03:00:02,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 03:00:02,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 03:00:02,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 03:00:02,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 03:00:02,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 03:00:02,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 03:00:02,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 03:00:02,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 03:00:02,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 03:00:02,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 03:00:02,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 03:00:02,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 03:00:02,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 03:00:02,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 03:00:02,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 03:00:02,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 03:00:02,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 03:00:02,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 03:00:02,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 03:00:02,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 03:00:02,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 03:00:02,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 03:00:02,585 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9712fd90-534a-4b47-a9d0-a4328739c4cc/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-11-26 03:00:02,597 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 03:00:02,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 03:00:02,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 03:00:02,599 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 03:00:02,599 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 03:00:02,599 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 03:00:02,599 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 03:00:02,599 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 03:00:02,600 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 03:00:02,600 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 03:00:02,600 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 03:00:02,600 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 03:00:02,601 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 03:00:02,601 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 03:00:02,601 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 03:00:02,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 03:00:02,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 03:00:02,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 03:00:02,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 03:00:02,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 03:00:02,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 03:00:02,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 03:00:02,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 03:00:02,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 03:00:02,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 03:00:02,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 03:00:02,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 03:00:02,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 03:00:02,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 03:00:02,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 03:00:02,605 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 03:00:02,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 03:00:02,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 03:00:02,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 03:00:02,606 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-11-26 03:00:02,606 INFO L138 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/run_dir_9712fd90-534a-4b47-a9d0-a4328739c4cc/bin/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 -> 6a95f1fc033a0de4a2f7f3c5d7d60bfd2baeb50a [2019-11-26 03:00:02,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 03:00:02,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 03:00:02,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 03:00:02,768 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 03:00:02,768 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 03:00:02,769 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9712fd90-534a-4b47-a9d0-a4328739c4cc/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i [2019-11-26 03:00:02,820 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9712fd90-534a-4b47-a9d0-a4328739c4cc/bin/utaipan/data/2486c189a/d72c2fc5829d4630a7d032e3204c10ae/FLAG294075082 [2019-11-26 03:00:03,784 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 03:00:03,785 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9712fd90-534a-4b47-a9d0-a4328739c4cc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--qxl--qxl.ko-entry_point.cil.out.i [2019-11-26 03:00:03,861 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9712fd90-534a-4b47-a9d0-a4328739c4cc/bin/utaipan/data/2486c189a/d72c2fc5829d4630a7d032e3204c10ae/FLAG294075082 [2019-11-26 03:00:04,339 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9712fd90-534a-4b47-a9d0-a4328739c4cc/bin/utaipan/data/2486c189a/d72c2fc5829d4630a7d032e3204c10ae [2019-11-26 03:00:04,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 03:00:04,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 03:00:04,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 03:00:04,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 03:00:04,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 03:00:04,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:00:04" (1/1) ... [2019-11-26 03:00:04,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5165a92d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:04, skipping insertion in model container [2019-11-26 03:00:04,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:00:04" (1/1) ... [2019-11-26 03:00:04,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 03:00:04,632 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 03:00:07,636 ERROR L323 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: qxl_io_log [2019-11-26 03:00:07,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7357af2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:00:07, skipping insertion in model container [2019-11-26 03:00:07,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 03:00:07,638 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-26 03:00:07,640 INFO L168 Benchmark]: Toolchain (without parser) took 3296.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 916.5 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 101.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:07,641 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:00:07,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3293.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 916.5 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 101.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:00:07,643 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3293.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 916.5 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 101.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 8476]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: qxl_io_log RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...