./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--md--dm-cache.ko-entry_point.cil.out.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47b0bc17 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 386e44a3953f46dee4c32ae03dc36c9f6bf811bb --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-47b0bc1 [2019-11-20 23:17:53,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:17:53,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:17:53,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:17:53,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:17:53,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:17:53,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:17:53,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:17:53,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:17:53,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:17:53,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:17:53,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:17:53,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:17:53,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:17:53,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:17:53,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:17:53,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:17:53,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:17:53,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:17:53,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:17:53,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:17:53,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:17:53,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:17:53,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:17:53,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:17:53,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:17:53,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:17:53,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:17:53,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:17:53,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:17:53,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:17:53,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:17:53,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:17:53,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:17:53,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:17:53,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:17:53,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:17:53,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:17:53,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:17:53,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:17:53,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:17:53,892 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-20 23:17:53,930 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:17:53,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:17:53,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:17:53,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:17:53,938 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:17:53,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:17:53,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:17:53,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:17:53,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 23:17:53,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 23:17:53,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 23:17:53,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 23:17:53,943 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:17:53,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 23:17:53,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:17:53,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:17:53,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 23:17:53,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 23:17:53,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 23:17:53,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:17:53,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 23:17:53,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 23:17:53,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 23:17:53,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 23:17:53,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 23:17:53,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 23:17:53,953 INFO L138 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 386e44a3953f46dee4c32ae03dc36c9f6bf811bb Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:17:54,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:17:54,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:17:54,591 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:17:54,596 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:17:54,597 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:17:54,598 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2019-11-20 23:17:54,751 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83ef3b238/8dce732233684b6394dbc6b741a7438f/FLAG768407c2c [2019-11-20 23:17:56,686 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:17:56,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2019-11-20 23:17:56,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83ef3b238/8dce732233684b6394dbc6b741a7438f/FLAG768407c2c [2019-11-20 23:17:56,912 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83ef3b238/8dce732233684b6394dbc6b741a7438f [2019-11-20 23:17:56,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:17:56,921 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 23:17:56,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:17:56,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:17:56,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:17:56,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:17:56" (1/1) ... [2019-11-20 23:17:56,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d3fcb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:17:56, skipping insertion in model container [2019-11-20 23:17:56,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:17:56" (1/1) ... [2019-11-20 23:17:56,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:17:57,374 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:18:08,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:18:08,202 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 23:18:09,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:18:12,332 INFO L205 MainTranslator]: Completed translation [2019-11-20 23:18:12,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:12 WrapperNode [2019-11-20 23:18:12,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:18:12,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 23:18:12,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 23:18:12,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 23:18:12,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:12" (1/1) ... [2019-11-20 23:18:12,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:12" (1/1) ... [2019-11-20 23:18:21,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 23:18:21,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 23:18:21,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 23:18:21,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 23:18:21,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:12" (1/1) ... [2019-11-20 23:18:21,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:12" (1/1) ... [2019-11-20 23:18:22,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:12" (1/1) ... [2019-11-20 23:18:22,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:12" (1/1) ... [2019-11-20 23:18:28,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:12" (1/1) ... [2019-11-20 23:18:28,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:12" (1/1) ... [2019-11-20 23:18:29,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:18:12" (1/1) ... [2019-11-20 23:18:31,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 23:18:31,418 INFO L168 Benchmark]: Toolchain (without parser) took 34489.58 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 172.1 MB in the end (delta: 778.1 MB). Peak memory consumption was 802.1 MB. Max. memory is 12.5 GB. [2019-11-20 23:18:31,420 INFO L168 Benchmark]: CDTParser took 2.45 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:18:31,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 15403.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 688.0 MB in the end (delta: 262.3 MB). Peak memory consumption was 320.5 MB. Max. memory is 12.5 GB. [2019-11-20 23:18:31,430 INFO L168 Benchmark]: Boogie Procedure Inliner took 9169.36 ms. Allocated memory is still 1.0 GB. Free memory was 688.0 MB in the beginning and 564.9 MB in the end (delta: 123.1 MB). Peak memory consumption was 298.2 MB. Max. memory is 12.5 GB. [2019-11-20 23:18:31,436 INFO L168 Benchmark]: Boogie Preprocessor took 9903.09 ms. Allocated memory is still 1.0 GB. Free memory was 564.9 MB in the beginning and 172.1 MB in the end (delta: 392.7 MB). Peak memory consumption was 416.7 MB. Max. memory is 12.5 GB. [2019-11-20 23:18:31,447 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.45 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 15403.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 688.0 MB in the end (delta: 262.3 MB). Peak memory consumption was 320.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 9169.36 ms. Allocated memory is still 1.0 GB. Free memory was 688.0 MB in the beginning and 564.9 MB in the end (delta: 123.1 MB). Peak memory consumption was 298.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 9903.09 ms. Allocated memory is still 1.0 GB. Free memory was 564.9 MB in the beginning and 172.1 MB in the end (delta: 392.7 MB). Peak memory consumption was 416.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...