./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.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 0bf69e5b8790a06e3fb2bea5e24247f995940131 --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 23:37:45,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 23:37:45,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 23:37:45,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 23:37:45,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 23:37:45,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 23:37:45,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 23:37:45,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 23:37:45,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 23:37:45,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 23:37:45,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 23:37:45,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 23:37:45,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 23:37:45,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 23:37:45,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 23:37:45,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 23:37:45,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 23:37:45,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 23:37:45,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 23:37:45,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 23:37:45,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 23:37:45,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 23:37:45,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 23:37:45,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 23:37:45,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 23:37:45,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 23:37:45,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 23:37:45,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 23:37:45,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 23:37:45,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 23:37:45,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 23:37:45,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 23:37:45,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 23:37:45,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 23:37:45,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 23:37:45,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 23:37:45,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 23:37:45,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 23:37:45,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 23:37:45,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 23:37:45,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 23:37:45,903 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2019-11-20 23:37:45,944 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 23:37:45,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 23:37:45,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 23:37:45,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 23:37:45,951 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 23:37:45,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 23:37:45,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 23:37:45,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 23:37:45,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 23:37:45,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 23:37:45,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 23:37:45,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 23:37:45,957 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 23:37:45,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 23:37:45,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 23:37:45,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 23:37:45,960 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 23:37:45,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 23:37:45,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 23:37:45,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 23:37:45,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 23:37:45,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 23:37:45,965 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 23:37:45,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 23:37:45,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 23:37:45,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 23:37:45,966 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 -> 0bf69e5b8790a06e3fb2bea5e24247f995940131 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 23:37:46,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 23:37:46,635 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 23:37:46,641 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 23:37:46,646 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 23:37:46,651 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 23:37:46,653 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2019-11-20 23:37:46,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77e80de7c/d71b3b08cee34e319093af84f00915de/FLAGe01efa1ec [2019-11-20 23:37:48,966 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 23:37:48,969 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2019-11-20 23:37:49,131 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77e80de7c/d71b3b08cee34e319093af84f00915de/FLAGe01efa1ec [2019-11-20 23:37:49,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77e80de7c/d71b3b08cee34e319093af84f00915de [2019-11-20 23:37:49,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 23:37:49,197 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 23:37:49,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 23:37:49,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 23:37:49,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 23:37:49,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:49" (1/1) ... [2019-11-20 23:37:49,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28315bd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:49, skipping insertion in model container [2019-11-20 23:37:49,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:49" (1/1) ... [2019-11-20 23:37:49,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 23:37:49,671 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 23:38:00,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:38:00,368 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 23:38:01,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 23:38:03,323 INFO L205 MainTranslator]: Completed translation [2019-11-20 23:38:03,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:03 WrapperNode [2019-11-20 23:38:03,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 23:38:03,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 23:38:03,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 23:38:03,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 23:38:03,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:03" (1/1) ... [2019-11-20 23:38:03,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:03" (1/1) ... [2019-11-20 23:38:04,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 23:38:04,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 23:38:04,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 23:38:04,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 23:38:04,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:03" (1/1) ... [2019-11-20 23:38:04,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:03" (1/1) ... [2019-11-20 23:38:04,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:03" (1/1) ... [2019-11-20 23:38:04,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:03" (1/1) ... [2019-11-20 23:38:05,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:03" (1/1) ... [2019-11-20 23:38:05,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:03" (1/1) ... [2019-11-20 23:38:05,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:38:03" (1/1) ... [2019-11-20 23:38:05,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 23:38:05,571 INFO L168 Benchmark]: Toolchain (without parser) took 16372.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 722.3 MB in the end (delta: 222.2 MB). Peak memory consumption was 222.3 MB. Max. memory is 12.5 GB. [2019-11-20 23:38:05,576 INFO L168 Benchmark]: CDTParser took 0.30 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 23:38:05,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 14123.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 891.9 MB in the end (delta: 52.6 MB). Peak memory consumption was 310.0 MB. Max. memory is 12.5 GB. [2019-11-20 23:38:05,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 1108.94 ms. Allocated memory is still 1.0 GB. Free memory was 891.9 MB in the beginning and 796.1 MB in the end (delta: 95.8 MB). Peak memory consumption was 95.8 MB. Max. memory is 12.5 GB. [2019-11-20 23:38:05,583 INFO L168 Benchmark]: Boogie Preprocessor took 1129.72 ms. Allocated memory is still 1.0 GB. Free memory was 796.1 MB in the beginning and 722.3 MB in the end (delta: 73.8 MB). Peak memory consumption was 73.8 MB. Max. memory is 12.5 GB. [2019-11-20 23:38:05,596 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 14123.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 944.5 MB in the beginning and 891.9 MB in the end (delta: 52.6 MB). Peak memory consumption was 310.0 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 1108.94 ms. Allocated memory is still 1.0 GB. Free memory was 891.9 MB in the beginning and 796.1 MB in the end (delta: 95.8 MB). Peak memory consumption was 95.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1129.72 ms. Allocated memory is still 1.0 GB. Free memory was 796.1 MB in the beginning and 722.3 MB in the end (delta: 73.8 MB). Peak memory consumption was 73.8 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...