./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 025d5a27 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 0.1.24-025d5a2 [2019-11-26 17:58:27,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:27,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:27,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:27,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:27,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:27,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:27,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:27,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:27,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:27,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:27,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:27,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:27,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:27,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:27,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:27,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:27,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:27,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:27,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:27,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:27,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:27,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:27,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:27,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:27,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:27,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:27,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:27,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:27,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:27,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:27,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:27,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:27,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:27,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:27,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:27,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:27,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:27,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:27,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:27,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:27,594 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 17:58:27,633 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:27,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:27,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:27,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:27,643 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:27,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:27,644 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:58:27,644 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:27,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:27,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:58:27,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:27,649 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:27,649 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:27,650 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:27,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:27,650 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:27,651 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:58:27,651 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:27,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:27,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:27,653 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:27,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:27,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:27,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:27,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:27,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:58:27,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:58:27,658 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 [2019-11-26 17:58:28,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:28,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:28,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:28,260 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:28,263 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:28,264 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-26 17:58:28,428 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8405e2ea6/98628f8b891b48c4b1059b4e171eda5d/FLAGcada9455e [2019-11-26 17:58:29,570 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:29,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-26 17:58:29,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8405e2ea6/98628f8b891b48c4b1059b4e171eda5d/FLAGcada9455e [2019-11-26 17:58:29,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8405e2ea6/98628f8b891b48c4b1059b4e171eda5d [2019-11-26 17:58:29,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:29,668 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:29,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:29,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:29,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:29,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:29" (1/1) ... [2019-11-26 17:58:29,690 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 26.11 05:58:29, skipping insertion in model container [2019-11-26 17:58:29,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:29" (1/1) ... [2019-11-26 17:58:29,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:29,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:30,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:58:30,538 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:58:30,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:58:30,749 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:58:30,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:30 WrapperNode [2019-11-26 17:58:30,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:30,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:58:30,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:58:30,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:58:30,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:30" (1/1) ... [2019-11-26 17:58:30,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:30" (1/1) ... [2019-11-26 17:58:30,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:30" (1/1) ... [2019-11-26 17:58:30,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:30" (1/1) ... [2019-11-26 17:58:30,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:30" (1/1) ... [2019-11-26 17:58:30,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:30" (1/1) ... [2019-11-26 17:58:30,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:30" (1/1) ... [2019-11-26 17:58:30,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:58:30,910 INFO L168 Benchmark]: Toolchain (without parser) took 1239.21 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 984.4 MB in the end (delta: -22.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:58:30,912 INFO L168 Benchmark]: CDTParser took 1.71 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. [2019-11-26 17:58:30,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1082.20 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 984.4 MB in the end (delta: -22.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:30,917 INFO L168 Benchmark]: Boogie Preprocessor took 149.51 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:58:30,927 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.71 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 1082.20 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 984.4 MB in the end (delta: -22.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 149.51 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 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 0.1.24-025d5a2 [2019-11-26 17:58:34,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:34,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:34,813 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:34,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:34,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:34,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:34,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:34,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:34,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:34,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:34,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:34,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:34,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:34,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:34,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:34,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:34,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:34,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:34,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:34,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:34,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:34,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:34,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:34,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:34,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:34,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:34,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:34,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:34,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:34,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:34,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:34,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:34,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:34,954 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:34,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:34,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:34,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:34,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:34,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:34,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:34,963 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 17:58:35,003 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:35,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:35,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:35,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:35,012 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:35,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:35,013 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:58:35,013 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:35,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:35,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:58:35,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:35,016 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:35,016 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:35,017 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:35,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:35,020 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:35,020 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:58:35,021 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:58:35,021 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:58:35,021 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:35,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:35,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:35,022 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:35,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:35,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:35,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:35,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:35,026 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:58:35,026 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:58:35,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:58:35,028 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 [2019-11-26 17:58:35,625 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:35,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:35,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:35,666 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:35,669 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:35,671 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-26 17:58:35,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7589aa93a/5f041edf4b674ce29f9d2922e6b1ed59/FLAG48ba465f3 [2019-11-26 17:58:36,971 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:36,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-26 17:58:37,003 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7589aa93a/5f041edf4b674ce29f9d2922e6b1ed59/FLAG48ba465f3 [2019-11-26 17:58:37,041 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7589aa93a/5f041edf4b674ce29f9d2922e6b1ed59 [2019-11-26 17:58:37,046 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:37,053 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:37,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:37,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:37,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:37,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:37" (1/1) ... [2019-11-26 17:58:37,083 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 26.11 05:58:37, skipping insertion in model container [2019-11-26 17:58:37,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:37" (1/1) ... [2019-11-26 17:58:37,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:37,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:37,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:58:37,941 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:58:38,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:58:38,145 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:58:38,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:38 WrapperNode [2019-11-26 17:58:38,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:38,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:58:38,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:58:38,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:58:38,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:38" (1/1) ... [2019-11-26 17:58:38,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:38" (1/1) ... [2019-11-26 17:58:38,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:38" (1/1) ... [2019-11-26 17:58:38,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:38" (1/1) ... [2019-11-26 17:58:38,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:38" (1/1) ... [2019-11-26 17:58:38,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:38" (1/1) ... [2019-11-26 17:58:38,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:38" (1/1) ... [2019-11-26 17:58:38,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:58:38,321 INFO L168 Benchmark]: Toolchain (without parser) took 1264.90 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. [2019-11-26 17:58:38,324 INFO L168 Benchmark]: CDTParser took 4.06 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. [2019-11-26 17:58:38,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1086.10 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. [2019-11-26 17:58:38,329 INFO L168 Benchmark]: Boogie Preprocessor took 164.81 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. [2019-11-26 17:58:38,338 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.06 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 1086.10 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 164.81 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...