./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 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/ntdrivers/diskperf.i.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash f1801b43b2944393728b18bd2d618b5a8c03e37d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:00:10,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:00:10,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:00:10,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:00:10,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:00:10,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:00:10,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:00:10,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:00:10,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:00:10,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:00:10,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:00:10,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:00:10,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:00:10,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:00:10,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:00:10,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:00:10,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:00:10,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:00:10,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:00:10,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:00:10,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:00:10,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:00:10,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:00:10,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:00:10,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:00:10,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:00:10,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:00:10,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:00:10,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:00:10,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:00:10,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:00:10,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:00:10,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:00:10,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:00:10,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:00:10,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:00:10,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:00:10,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:00:10,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:00:10,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:00:10,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:00:10,902 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:00:10,955 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:00:10,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:00:10,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:00:10,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:00:10,971 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:00:10,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:00:10,972 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:00:10,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:00:10,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:00:10,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:00:10,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:00:10,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:00:10,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:00:10,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:00:10,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:00:10,978 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:00:10,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:00:10,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:00:10,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:00:10,981 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:00:10,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:00:10,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:00:10,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:00:10,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:00:10,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:00:10,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:00:10,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:00:10,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:00:10,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1801b43b2944393728b18bd2d618b5a8c03e37d [2019-11-16 21:00:11,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:00:11,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:00:11,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:00:11,615 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:00:11,617 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:00:11,620 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c [2019-11-16 21:00:11,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f13b2275c/2b14c37480eb49d2aec433612bb7e44f/FLAGea9b524ec [2019-11-16 21:00:13,350 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:00:13,351 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/diskperf.i.cil-2.c [2019-11-16 21:00:13,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f13b2275c/2b14c37480eb49d2aec433612bb7e44f/FLAGea9b524ec [2019-11-16 21:00:13,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f13b2275c/2b14c37480eb49d2aec433612bb7e44f [2019-11-16 21:00:13,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:00:13,486 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:00:13,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:00:13,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:00:13,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:00:13,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:00:13" (1/1) ... [2019-11-16 21:00:13,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47691fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:13, skipping insertion in model container [2019-11-16 21:00:13,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:00:13" (1/1) ... [2019-11-16 21:00:13,540 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:00:13,740 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:00:16,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:00:16,349 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:00:16,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:00:17,254 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:00:17,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:17 WrapperNode [2019-11-16 21:00:17,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:00:17,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:00:17,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:00:17,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:00:17,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:17" (1/1) ... [2019-11-16 21:00:17,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:17" (1/1) ... [2019-11-16 21:00:18,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:00:18,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:00:18,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:00:18,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:00:18,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:17" (1/1) ... [2019-11-16 21:00:18,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:17" (1/1) ... [2019-11-16 21:00:18,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:17" (1/1) ... [2019-11-16 21:00:18,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:17" (1/1) ... [2019-11-16 21:00:18,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:17" (1/1) ... [2019-11-16 21:00:18,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:17" (1/1) ... [2019-11-16 21:00:19,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:00:17" (1/1) ... [2019-11-16 21:00:19,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:00:19,151 INFO L168 Benchmark]: Toolchain (without parser) took 5655.66 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 771.7 MB in the end (delta: 184.2 MB). Peak memory consumption was 184.3 MB. Max. memory is 12.5 GB. [2019-11-16 21:00:19,153 INFO L168 Benchmark]: CDTParser took 0.47 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. [2019-11-16 21:00:19,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3763.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 886.3 MB in the end (delta: 69.7 MB). Peak memory consumption was 69.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:00:19,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 840.35 ms. Allocated memory is still 1.0 GB. Free memory was 886.3 MB in the beginning and 840.5 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 12.5 GB. [2019-11-16 21:00:19,160 INFO L168 Benchmark]: Boogie Preprocessor took 1036.88 ms. Allocated memory is still 1.0 GB. Free memory was 840.5 MB in the beginning and 771.7 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 12.5 GB. [2019-11-16 21:00:19,173 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 3763.51 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 886.3 MB in the end (delta: 69.7 MB). Peak memory consumption was 69.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 840.35 ms. Allocated memory is still 1.0 GB. Free memory was 886.3 MB in the beginning and 840.5 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 1036.88 ms. Allocated memory is still 1.0 GB. Free memory was 840.5 MB in the beginning and 771.7 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...