./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99a77f5372e1d3174eb539425b8da52ff3b34c76 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99a77f5372e1d3174eb539425b8da52ff3b34c76 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:46:01,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:01,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:01,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:01,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:01,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:01,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:01,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:01,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:01,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:01,712 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:01,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:01,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:01,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:01,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:01,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:01,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:01,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:01,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:01,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:01,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:01,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:01,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:01,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:01,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:01,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:01,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:01,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:01,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:01,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:01,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:01,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:01,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:01,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:01,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:01,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:01,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:01,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:01,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:01,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:01,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:01,803 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:46:01,854 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:01,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:01,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:01,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:01,865 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:01,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:01,868 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:46:01,869 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:01,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:01,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:46:01,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:01,870 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:01,870 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:01,870 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:01,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:01,872 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:01,873 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:46:01,873 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:01,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:01,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:01,875 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:01,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:01,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:01,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:01,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:01,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:46:01,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:46:01,880 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 99a77f5372e1d3174eb539425b8da52ff3b34c76 [2019-11-27 17:46:02,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:02,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:02,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:02,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:02,536 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:02,539 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-27 17:46:02,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6795007e2/87f9c4882407436cb1e3eb40eaf7188e/FLAG822ad742c [2019-11-27 17:46:03,877 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:03,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-27 17:46:03,936 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6795007e2/87f9c4882407436cb1e3eb40eaf7188e/FLAG822ad742c [2019-11-27 17:46:03,979 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6795007e2/87f9c4882407436cb1e3eb40eaf7188e [2019-11-27 17:46:03,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:03,995 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:03,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:04,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:04,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:04,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:03" (1/1) ... [2019-11-27 17:46:04,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197a930a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:04, skipping insertion in model container [2019-11-27 17:46:04,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:03" (1/1) ... [2019-11-27 17:46:04,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:04,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:05,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:05,064 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:05,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:05,282 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:05,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05 WrapperNode [2019-11-27 17:46:05,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:05,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:05,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:05,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:05,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:05,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:05,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:05,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:05,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:05,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:05,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:05,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:05,491 INFO L168 Benchmark]: Toolchain (without parser) took 1483.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 983.8 MB in the end (delta: -16.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:05,492 INFO L168 Benchmark]: CDTParser took 1.77 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. [2019-11-27 17:46:05,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1284.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 983.8 MB in the end (delta: -16.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:05,496 INFO L168 Benchmark]: Boogie Preprocessor took 183.32 ms. Allocated memory is still 1.0 GB. Free memory is still 983.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:05,506 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.77 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 1284.71 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 983.8 MB in the end (delta: -16.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 183.32 ms. Allocated memory is still 1.0 GB. Free memory is still 983.8 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:46:09,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:09,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:09,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:09,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:09,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:09,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:09,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:09,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:09,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:09,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:09,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:09,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:09,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:09,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:09,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:09,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:09,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:09,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:09,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:09,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:09,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:09,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:09,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:09,511 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:09,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:09,512 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:09,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:09,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:09,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:09,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:09,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:09,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:09,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:09,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:09,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:09,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:09,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:09,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:09,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:09,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:09,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:46:09,584 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:09,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:09,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:09,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:09,594 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:09,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:09,594 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:46:09,595 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:09,597 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:09,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:46:09,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:09,599 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:09,599 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:09,600 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:09,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:09,602 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:09,603 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:46:09,603 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:46:09,603 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:46:09,605 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:09,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:09,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:09,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:09,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:09,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:09,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:09,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:09,610 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:46:09,611 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:46:09,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:46:09,612 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 99a77f5372e1d3174eb539425b8da52ff3b34c76 [2019-11-27 17:46:10,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:10,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:10,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:10,352 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:10,352 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:10,354 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-27 17:46:10,525 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1429dcc37/ac34c406ea814836a0ff17b49d31d774/FLAG498173695 [2019-11-27 17:46:11,631 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:11,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-27 17:46:11,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1429dcc37/ac34c406ea814836a0ff17b49d31d774/FLAG498173695 [2019-11-27 17:46:12,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1429dcc37/ac34c406ea814836a0ff17b49d31d774 [2019-11-27 17:46:12,198 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:12,202 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:12,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:12,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:12,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:12,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:12" (1/1) ... [2019-11-27 17:46:12,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45357075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:12, skipping insertion in model container [2019-11-27 17:46:12,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:12" (1/1) ... [2019-11-27 17:46:12,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:12,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:13,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:13,103 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:13,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:13,470 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:13,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:13 WrapperNode [2019-11-27 17:46:13,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:13,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:13,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:13,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:13,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:13" (1/1) ... [2019-11-27 17:46:13,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:13" (1/1) ... [2019-11-27 17:46:13,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:13" (1/1) ... [2019-11-27 17:46:13,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:13" (1/1) ... [2019-11-27 17:46:13,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:13" (1/1) ... [2019-11-27 17:46:13,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:13" (1/1) ... [2019-11-27 17:46:13,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:13" (1/1) ... [2019-11-27 17:46:13,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:13,640 INFO L168 Benchmark]: Toolchain (without parser) took 1431.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 983.4 MB in the end (delta: -21.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:13,641 INFO L168 Benchmark]: CDTParser took 2.58 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. [2019-11-27 17:46:13,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1259.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 989.1 MB in the end (delta: -27.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:13,649 INFO L168 Benchmark]: Boogie Preprocessor took 156.69 ms. Allocated memory is still 1.0 GB. Free memory was 989.1 MB in the beginning and 983.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:13,661 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.58 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 1259.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 989.1 MB in the end (delta: -27.4 MB). Peak memory consumption was 27.1 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 156.69 ms. Allocated memory is still 1.0 GB. Free memory was 989.1 MB in the beginning and 983.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...