./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.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_simpl1.cil.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 a3956b9d522359ca85af7edde8f84196cd7ca984 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_simpl1.cil.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 a3956b9d522359ca85af7edde8f84196cd7ca984 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:46:01,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:01,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:01,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:01,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:01,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:01,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:01,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:01,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:01,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:01,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:01,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:01,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:01,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:01,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:01,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:01,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:01,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:01,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:01,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:01,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:01,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:01,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:01,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:01,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:01,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:01,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:01,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:01,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:01,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:01,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:01,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:01,740 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:01,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:01,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:01,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:01,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:01,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:01,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:01,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:01,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:01,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:46:01,800 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:01,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:01,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:01,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:01,809 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:01,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:01,810 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:46:01,810 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:01,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:01,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:46:01,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:01,815 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:01,815 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:01,816 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:01,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:01,817 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:01,817 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:46:01,817 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:01,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:01,819 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:01,819 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:01,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:01,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:01,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:01,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:01,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:46:01,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:46:01,825 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 -> a3956b9d522359ca85af7edde8f84196cd7ca984 [2019-11-27 17:46:02,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:02,392 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:02,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:02,404 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:02,404 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:02,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-27 17:46:02,567 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8877db3af/42a4f999f4dc4ea8b0b0e74f7f548b9a/FLAGf707f422f [2019-11-27 17:46:03,713 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:03,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-27 17:46:03,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8877db3af/42a4f999f4dc4ea8b0b0e74f7f548b9a/FLAGf707f422f [2019-11-27 17:46:03,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8877db3af/42a4f999f4dc4ea8b0b0e74f7f548b9a [2019-11-27 17:46:03,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:03,804 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:03,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:03,806 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:03,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:03,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:03" (1/1) ... [2019-11-27 17:46:03,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e5d695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:03, skipping insertion in model container [2019-11-27 17:46:03,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:03" (1/1) ... [2019-11-27 17:46:03,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:03,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:04,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:04,748 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:04,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:04,968 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:04,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:04 WrapperNode [2019-11-27 17:46:04,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:04,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:04,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:04,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:05,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:04" (1/1) ... [2019-11-27 17:46:05,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:04" (1/1) ... [2019-11-27 17:46:05,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:04" (1/1) ... [2019-11-27 17:46:05,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:04" (1/1) ... [2019-11-27 17:46:05,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:04" (1/1) ... [2019-11-27 17:46:05,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:04" (1/1) ... [2019-11-27 17:46:05,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:04" (1/1) ... [2019-11-27 17:46:05,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:05,155 INFO L168 Benchmark]: Toolchain (without parser) took 1342.06 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 984.0 MB in the end (delta: -22.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:05,157 INFO L168 Benchmark]: CDTParser took 1.57 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 17:46:05,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1165.77 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 989.7 MB in the end (delta: -28.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:05,164 INFO L168 Benchmark]: Boogie Preprocessor took 168.01 ms. Allocated memory is still 1.0 GB. Free memory was 989.7 MB in the beginning and 984.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:05,177 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.57 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 1165.77 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 989.7 MB in the end (delta: -28.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 168.01 ms. Allocated memory is still 1.0 GB. Free memory was 989.7 MB in the beginning and 984.0 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:46:09,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:09,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:09,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:09,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:09,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:09,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:09,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:09,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:09,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:09,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:09,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:09,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:09,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:09,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:09,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:09,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:09,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:09,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:09,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:09,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:09,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:09,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:09,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:09,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:09,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:09,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:09,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:09,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:09,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:09,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:09,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:09,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:09,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:09,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:09,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:09,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:09,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:09,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:09,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:09,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:09,174 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:46:09,215 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:09,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:09,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:09,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:09,225 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:09,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:09,228 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:46:09,228 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:09,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:09,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:46:09,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:09,230 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:09,231 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:09,231 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:09,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:09,233 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:09,234 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:46:09,236 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:46:09,236 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:46:09,236 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:09,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:09,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:09,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:09,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:09,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:09,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:09,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:09,241 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:46:09,241 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:46:09,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:46:09,244 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 -> a3956b9d522359ca85af7edde8f84196cd7ca984 [2019-11-27 17:46:09,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:09,817 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:09,827 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:09,829 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:09,832 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:09,834 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-27 17:46:09,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c63bf5ac2/ea11967d61a949edb0ce739ecfdf7b7a/FLAGdeac0b254 [2019-11-27 17:46:11,154 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:11,156 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-27 17:46:11,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c63bf5ac2/ea11967d61a949edb0ce739ecfdf7b7a/FLAGdeac0b254 [2019-11-27 17:46:11,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c63bf5ac2/ea11967d61a949edb0ce739ecfdf7b7a [2019-11-27 17:46:11,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:11,236 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:11,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:11,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:11,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:11,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:11" (1/1) ... [2019-11-27 17:46:11,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d4f145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:11, skipping insertion in model container [2019-11-27 17:46:11,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:11" (1/1) ... [2019-11-27 17:46:11,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:11,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:12,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:12,157 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:12,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:12,362 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:12,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:12 WrapperNode [2019-11-27 17:46:12,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:12,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:12,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:12,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:12,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:12" (1/1) ... [2019-11-27 17:46:12,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:12" (1/1) ... [2019-11-27 17:46:12,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:12" (1/1) ... [2019-11-27 17:46:12,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:12" (1/1) ... [2019-11-27 17:46:12,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:12" (1/1) ... [2019-11-27 17:46:12,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:12" (1/1) ... [2019-11-27 17:46:12,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:12" (1/1) ... [2019-11-27 17:46:12,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:12,544 INFO L168 Benchmark]: Toolchain (without parser) took 1305.32 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 984.0 MB in the end (delta: -22.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:12,546 INFO L168 Benchmark]: CDTParser took 3.02 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 17:46:12,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1128.05 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 989.7 MB in the end (delta: -28.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:12,550 INFO L168 Benchmark]: Boogie Preprocessor took 167.21 ms. Allocated memory is still 1.0 GB. Free memory was 989.7 MB in the beginning and 984.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:12,560 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.02 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 1128.05 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 989.7 MB in the end (delta: -28.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 167.21 ms. Allocated memory is still 1.0 GB. Free memory was 989.7 MB in the beginning and 984.0 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...