./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.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_simpl2.cil-1.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 e4d1760c3f63950e961525df0d726cb05fa47146 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-1.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 e4d1760c3f63950e961525df0d726cb05fa47146 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:23:45,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:45,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:45,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:45,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:45,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:45,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:45,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:45,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:45,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:45,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:45,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:45,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:45,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:45,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:45,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:45,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:45,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:45,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:45,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:45,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:45,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:45,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:45,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:46,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:46,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:46,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:46,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:46,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:46,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:46,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:46,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:46,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:46,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:46,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:46,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:46,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:46,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:46,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:46,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:46,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:46,032 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:46,071 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:46,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:46,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:46,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:46,082 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:46,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:46,083 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:46,083 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:46,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:46,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:46,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:46,085 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:46,085 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:46,086 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:46,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:46,087 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:46,090 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:46,090 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:46,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:46,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:46,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:46,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:46,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:46,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:46,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:46,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:46,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:46,096 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 -> e4d1760c3f63950e961525df0d726cb05fa47146 [2019-11-24 22:23:46,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:46,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:46,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:46,722 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:46,722 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:46,723 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-11-24 22:23:46,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13ae55bbc/376d6e993638483ea54065f45c314ac3/FLAGf396dfedd [2019-11-24 22:23:48,067 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:48,072 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-11-24 22:23:48,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13ae55bbc/376d6e993638483ea54065f45c314ac3/FLAGf396dfedd [2019-11-24 22:23:48,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13ae55bbc/376d6e993638483ea54065f45c314ac3 [2019-11-24 22:23:48,166 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:48,172 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:48,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:48,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:48,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:48,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:48" (1/1) ... [2019-11-24 22:23:48,195 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 22:23:48,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:48" (1/1) ... [2019-11-24 22:23:48,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:48,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:49,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:49,182 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:49,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:49,450 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:49,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49 WrapperNode [2019-11-24 22:23:49,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:49,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:49,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:49,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:49,470 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 22:23:49,470 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 22:23:49,505 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 22:23:49,506 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 22:23:49,554 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 22:23:49,578 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 22:23:49,585 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 22:23:49,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:49,614 INFO L168 Benchmark]: Toolchain (without parser) took 1436.36 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 983.7 MB in the end (delta: -16.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:49,615 INFO L168 Benchmark]: CDTParser took 1.90 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. [2019-11-24 22:23:49,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1278.74 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 983.7 MB in the end (delta: -16.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:49,630 INFO L168 Benchmark]: Boogie Preprocessor took 148.69 ms. Allocated memory is still 1.0 GB. Free memory is still 983.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:49,636 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.90 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 1278.74 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 983.7 MB in the end (delta: -16.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 148.69 ms. Allocated memory is still 1.0 GB. Free memory is still 983.7 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 0.1.24-32f2683 [2019-11-24 22:23:53,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:53,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:53,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:53,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:53,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:53,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:53,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:53,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:53,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:53,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:53,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:53,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:53,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:53,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:53,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:53,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:53,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:53,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:53,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:53,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:53,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:53,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:53,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:53,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:53,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:53,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:53,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:53,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:53,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:53,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:53,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:53,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:53,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:53,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:53,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:53,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:53,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:53,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:53,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:53,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:53,676 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:53,717 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:53,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:53,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:53,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:53,727 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:53,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:53,728 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:53,728 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:53,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:53,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:53,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:53,732 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:53,732 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:53,733 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:53,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:53,737 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:53,737 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:53,737 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:53,738 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:53,738 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:53,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:53,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:53,739 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:53,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:53,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:53,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:53,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:53,742 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:53,742 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:53,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:53,744 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 -> e4d1760c3f63950e961525df0d726cb05fa47146 [2019-11-24 22:23:54,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:54,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:54,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:54,366 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:54,367 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:54,370 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-11-24 22:23:54,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40c1d3f5b/fe1905b34b8d47c8adb115ca67e4e65c/FLAGf20661aa2 [2019-11-24 22:23:55,707 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:55,708 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-11-24 22:23:55,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40c1d3f5b/fe1905b34b8d47c8adb115ca67e4e65c/FLAGf20661aa2 [2019-11-24 22:23:55,791 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40c1d3f5b/fe1905b34b8d47c8adb115ca67e4e65c [2019-11-24 22:23:55,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:55,806 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:55,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:55,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:55,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:55,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:55" (1/1) ... [2019-11-24 22:23:55,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24aafe98 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 22:23:55,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:55" (1/1) ... [2019-11-24 22:23:55,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:55,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:56,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:56,860 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:57,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:57,104 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:57,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:57 WrapperNode [2019-11-24 22:23:57,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:57,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:57,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:57,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:57,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:57" (1/1) ... [2019-11-24 22:23:57,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:57" (1/1) ... [2019-11-24 22:23:57,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:57" (1/1) ... [2019-11-24 22:23:57,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:57" (1/1) ... [2019-11-24 22:23:57,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:57" (1/1) ... [2019-11-24 22:23:57,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:57" (1/1) ... [2019-11-24 22:23:57,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:57" (1/1) ... [2019-11-24 22:23:57,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:57,268 INFO L168 Benchmark]: Toolchain (without parser) took 1460.62 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 978.5 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:57,269 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:57,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1294.19 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 984.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:57,272 INFO L168 Benchmark]: Boogie Preprocessor took 158.04 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:57,287 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1294.19 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 984.2 MB in the end (delta: -22.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 158.04 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.5 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...