./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 32f26835 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 0.1.24-32f2683 [2019-11-24 22:23:45,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:45,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:45,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:45,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:45,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:45,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:45,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:45,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:45,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:45,921 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:45,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:45,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:45,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:45,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:45,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:45,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:45,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:45,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:45,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:45,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:45,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:45,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:45,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:45,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:45,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:45,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:45,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:45,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:45,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:45,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:45,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:45,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:45,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:45,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:45,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:46,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:46,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:46,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:46,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:46,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:46,012 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:46,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:46,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:46,070 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:46,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:46,074 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:46,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:46,075 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:46,077 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:46,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:46,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:46,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:46,078 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:46,078 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:46,080 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:46,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:46,081 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:46,082 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:46,083 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:46,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:46,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:46,086 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:46,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:46,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:46,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:46,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:46,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:46,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:46,088 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 [2019-11-24 22:23:46,687 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:46,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:46,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:46,731 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:46,733 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:46,734 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-24 22:23:46,895 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd8d48aba/83d2e49d47c54a4a901d65128be3a94f/FLAGa0f05b6a4 [2019-11-24 22:23:48,027 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:48,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-24 22:23:48,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd8d48aba/83d2e49d47c54a4a901d65128be3a94f/FLAGa0f05b6a4 [2019-11-24 22:23:48,097 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd8d48aba/83d2e49d47c54a4a901d65128be3a94f [2019-11-24 22:23:48,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:48,112 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:48,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:48,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:48,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:48,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:48" (1/1) ... [2019-11-24 22:23:48,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a0bf7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:48, skipping insertion in model container [2019-11-24 22:23:48,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:48" (1/1) ... [2019-11-24 22:23:48,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:48,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:48,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:48,965 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:49,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:49,156 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:49,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49 WrapperNode [2019-11-24 22:23:49,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:49,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:49,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:49,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:49,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49" (1/1) ... [2019-11-24 22:23:49,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49" (1/1) ... [2019-11-24 22:23:49,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49" (1/1) ... [2019-11-24 22:23:49,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49" (1/1) ... [2019-11-24 22:23:49,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49" (1/1) ... [2019-11-24 22:23:49,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49" (1/1) ... [2019-11-24 22:23:49,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49" (1/1) ... [2019-11-24 22:23:49,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:49,316 INFO L168 Benchmark]: Toolchain (without parser) took 1203.99 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. [2019-11-24 22:23:49,319 INFO L168 Benchmark]: CDTParser took 3.20 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. [2019-11-24 22:23:49,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1039.44 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. [2019-11-24 22:23:49,327 INFO L168 Benchmark]: Boogie Preprocessor took 151.06 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. [2019-11-24 22:23:49,340 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.20 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 1039.44 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 151.06 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 0.1.24-32f2683 [2019-11-24 22:23:53,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:53,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:53,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:53,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:53,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:53,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:53,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:53,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:53,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:53,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:53,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:53,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:53,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:53,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:53,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:53,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:53,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:53,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:53,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:53,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:53,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:53,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:53,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:53,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:53,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:53,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:53,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:53,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:53,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:53,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:53,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:53,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:53,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:53,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:53,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:53,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:53,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:53,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:53,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:53,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:53,356 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:53,397 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:53,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:53,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:53,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:53,405 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:53,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:53,406 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:53,406 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:53,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:53,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:53,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:53,409 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:53,410 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:53,410 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:53,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:53,412 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:53,412 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:53,412 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:53,413 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:53,415 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:53,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:53,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:53,416 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:53,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:53,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:53,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:53,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:53,418 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:53,419 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:53,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:53,422 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 [2019-11-24 22:23:54,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:54,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:54,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:54,120 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:54,123 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:54,127 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-24 22:23:54,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cae77a23/f89f2117eb864eb4985f8dcbe832bb4e/FLAGf9e6326c7 [2019-11-24 22:23:55,369 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:55,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-24 22:23:55,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cae77a23/f89f2117eb864eb4985f8dcbe832bb4e/FLAGf9e6326c7 [2019-11-24 22:23:55,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cae77a23/f89f2117eb864eb4985f8dcbe832bb4e [2019-11-24 22:23:55,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:55,467 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:55,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:55,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:55,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:55,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:55" (1/1) ... [2019-11-24 22:23:55,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df2acde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:55, skipping insertion in model container [2019-11-24 22:23:55,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:55" (1/1) ... [2019-11-24 22:23:55,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:55,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:56,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:56,296 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:56,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:56,604 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:56,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:56 WrapperNode [2019-11-24 22:23:56,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:56,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:56,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:56,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:56,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:56" (1/1) ... [2019-11-24 22:23:56,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:56" (1/1) ... [2019-11-24 22:23:56,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:56" (1/1) ... [2019-11-24 22:23:56,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:56" (1/1) ... [2019-11-24 22:23:56,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:56" (1/1) ... [2019-11-24 22:23:56,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:56" (1/1) ... [2019-11-24 22:23:56,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:56" (1/1) ... [2019-11-24 22:23:56,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:56,810 INFO L168 Benchmark]: Toolchain (without parser) took 1339.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 983.8 MB in the end (delta: -23.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:56,812 INFO L168 Benchmark]: CDTParser took 0.40 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. [2019-11-24 22:23:56,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1139.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 989.6 MB in the end (delta: -29.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:56,818 INFO L168 Benchmark]: Boogie Preprocessor took 193.70 ms. Allocated memory is still 1.0 GB. Free memory was 989.6 MB in the beginning and 983.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:56,828 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 1139.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 989.6 MB in the end (delta: -29.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 193.70 ms. Allocated memory is still 1.0 GB. Free memory was 989.6 MB in the beginning and 983.8 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...