./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.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-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.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 ade578e35569ce2887ad9bdf07808f1e0b3085f9 --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 23:43:18,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:43:18,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:43:18,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:43:18,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:43:18,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:43:18,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:43:18,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:43:18,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:43:18,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:43:18,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:43:18,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:43:18,705 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:43:18,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:43:18,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:43:18,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:43:18,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:43:18,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:43:18,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:43:18,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:43:18,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:43:18,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:43:18,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:43:18,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:43:18,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:43:18,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:43:18,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:43:18,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:43:18,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:43:18,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:43:18,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:43:18,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:43:18,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:43:18,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:43:18,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:43:18,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:43:18,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:43:18,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:43:18,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:43:18,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:43:18,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:43:18,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-20 23:43:18,866 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:43:18,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:43:18,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:43:18,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:43:18,876 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:43:18,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:43:18,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:43:18,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:43:18,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 23:43:18,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 23:43:18,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 23:43:18,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 23:43:18,883 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:43:18,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 23:43:18,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:43:18,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:43:18,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 23:43:18,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 23:43:18,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 23:43:18,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:43:18,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 23:43:18,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 23:43:18,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 23:43:18,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 23:43:18,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 23:43:18,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 23:43:18,893 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 -> ade578e35569ce2887ad9bdf07808f1e0b3085f9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:43:19,509 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:43:19,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:43:19,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:43:19,564 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:43:19,570 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:43:19,571 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i [2019-11-20 23:43:19,767 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5e04c3b9/d350f05b2a114a7bb1ca54c50940715c/FLAG6d1f9e1c8 [2019-11-20 23:43:22,106 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:43:22,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--ethernet--intel--igbvf--igbvf.ko.cil.i [2019-11-20 23:43:22,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5e04c3b9/d350f05b2a114a7bb1ca54c50940715c/FLAG6d1f9e1c8 [2019-11-20 23:43:22,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5e04c3b9/d350f05b2a114a7bb1ca54c50940715c [2019-11-20 23:43:22,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:43:22,345 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 23:43:22,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:43:22,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:43:22,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:43:22,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:43:22" (1/1) ... [2019-11-20 23:43:22,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbe5d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:22, skipping insertion in model container [2019-11-20 23:43:22,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:43:22" (1/1) ... [2019-11-20 23:43:22,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:43:23,006 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:43:36,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:43:37,010 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 23:43:38,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:43:43,067 INFO L205 MainTranslator]: Completed translation [2019-11-20 23:43:43,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:43 WrapperNode [2019-11-20 23:43:43,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:43:43,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 23:43:43,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 23:43:43,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 23:43:43,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:43" (1/1) ... [2019-11-20 23:43:43,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:43" (1/1) ... [2019-11-20 23:43:47,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 23:43:47,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 23:43:47,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 23:43:47,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 23:43:47,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:43" (1/1) ... [2019-11-20 23:43:47,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:43" (1/1) ... [2019-11-20 23:43:47,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:43" (1/1) ... [2019-11-20 23:43:47,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:43" (1/1) ... [2019-11-20 23:43:50,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:43" (1/1) ... [2019-11-20 23:43:51,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:43" (1/1) ... [2019-11-20 23:43:51,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:43" (1/1) ... [2019-11-20 23:43:52,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 23:43:52,574 INFO L168 Benchmark]: Toolchain (without parser) took 30222.40 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.6 MB in the beginning and 568.5 MB in the end (delta: 370.2 MB). Peak memory consumption was 506.7 MB. Max. memory is 12.5 GB. [2019-11-20 23:43:52,576 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 23:43:52,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 20725.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.6 MB in the beginning and 661.5 MB in the end (delta: 277.1 MB). Peak memory consumption was 310.7 MB. Max. memory is 12.5 GB. [2019-11-20 23:43:52,583 INFO L168 Benchmark]: Boogie Procedure Inliner took 3999.01 ms. Allocated memory is still 1.0 GB. Free memory was 661.5 MB in the beginning and 716.0 MB in the end (delta: -54.4 MB). Peak memory consumption was 129.9 MB. Max. memory is 12.5 GB. [2019-11-20 23:43:52,591 INFO L168 Benchmark]: Boogie Preprocessor took 5490.27 ms. Allocated memory is still 1.0 GB. Free memory was 716.0 MB in the beginning and 568.5 MB in the end (delta: 147.5 MB). Peak memory consumption was 284.0 MB. Max. memory is 12.5 GB. [2019-11-20 23:43:52,599 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 20725.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.6 MB in the beginning and 661.5 MB in the end (delta: 277.1 MB). Peak memory consumption was 310.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 3999.01 ms. Allocated memory is still 1.0 GB. Free memory was 661.5 MB in the beginning and 716.0 MB in the end (delta: -54.4 MB). Peak memory consumption was 129.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 5490.27 ms. Allocated memory is still 1.0 GB. Free memory was 716.0 MB in the beginning and 568.5 MB in the end (delta: 147.5 MB). Peak memory consumption was 284.0 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...