./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.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6fc666ac-f384-4414-a70f-5546d03a7f31/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6fc666ac-f384-4414-a70f-5546d03a7f31/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6fc666ac-f384-4414-a70f-5546d03a7f31/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6fc666ac-f384-4414-a70f-5546d03a7f31/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--i915--i915.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6fc666ac-f384-4414-a70f-5546d03a7f31/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6fc666ac-f384-4414-a70f-5546d03a7f31/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 76a95be652da1732296ed1f2e2a93bd4b9a6690e .............................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:24:30,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:30,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:30,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:30,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:30,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:30,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:30,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:30,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:30,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:30,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:30,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:30,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:30,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:30,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:30,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:30,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:30,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:30,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:30,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:30,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:30,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:30,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:30,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:30,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:30,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:30,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:30,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:30,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:30,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:30,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:30,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:30,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:30,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:30,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:30,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:30,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:30,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:30,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:30,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:30,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:30,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6fc666ac-f384-4414-a70f-5546d03a7f31/bin/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2019-10-22 11:24:30,590 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:30,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:30,591 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:30,591 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:30,591 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:30,592 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:30,592 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:24:30,592 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:30,592 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:30,592 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:24:30,592 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:24:30,592 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:30,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:30,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:24:30,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:30,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:24:30,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:30,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:24:30,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:24:30,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:24:30,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:30,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:30,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:30,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:30,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:30,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:30,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:30,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:24:30,596 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:24:30,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:24:30,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:24:30,596 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:30,596 INFO L138 SettingsManager]: * To the following directory=dump/ [2019-10-22 11:24:30,596 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/working_dir_6fc666ac-f384-4414-a70f-5546d03a7f31/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 -> 76a95be652da1732296ed1f2e2a93bd4b9a6690e [2019-10-22 11:24:30,625 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:30,634 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:30,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:30,638 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:30,638 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:30,639 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6fc666ac-f384-4414-a70f-5546d03a7f31/bin/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2019-10-22 11:24:30,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6fc666ac-f384-4414-a70f-5546d03a7f31/bin/utaipan/data/871c24479/43a300544cf6418b9f07486fc8ffdf9d/FLAGd842910ab [2019-10-22 11:24:33,158 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:33,158 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6fc666ac-f384-4414-a70f-5546d03a7f31/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2019-10-22 11:24:33,438 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6fc666ac-f384-4414-a70f-5546d03a7f31/bin/utaipan/data/871c24479/43a300544cf6418b9f07486fc8ffdf9d/FLAGd842910ab [2019-10-22 11:24:33,752 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6fc666ac-f384-4414-a70f-5546d03a7f31/bin/utaipan/data/871c24479/43a300544cf6418b9f07486fc8ffdf9d [2019-10-22 11:24:33,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:33,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:33,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:33,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:33,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:33,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:33" (1/1) ... [2019-10-22 11:24:33,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d3b589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:33, skipping insertion in model container [2019-10-22 11:24:33,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:33" (1/1) ... [2019-10-22 11:24:33,769 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:34,845 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:25:12,997 ERROR L309 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2019-10-22 11:25:12,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@652d562f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:25:12, skipping insertion in model container [2019-10-22 11:25:12,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:25:12,998 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-10-22 11:25:13,001 INFO L168 Benchmark]: Toolchain (without parser) took 39243.98 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 422.6 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -1.4 MB). Peak memory consumption was 705.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:13,001 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:25:13,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 39241.88 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 422.6 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -1.4 MB). Peak memory consumption was 705.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:25:13,004 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 39241.88 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 422.6 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -1.4 MB). Peak memory consumption was 705.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 22778]: 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...