./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.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/floppy_simpl4.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 579bc16896f0e20e11afe49ee7ceb82dfd52b156 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/floppy_simpl4.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 579bc16896f0e20e11afe49ee7ceb82dfd52b156 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:23:45,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:45,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:45,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:45,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:45,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:45,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:45,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:45,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:45,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:45,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:45,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:45,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:45,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:45,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:45,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:45,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:45,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:45,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:45,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:45,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:45,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:45,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:45,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:45,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:45,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:45,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:45,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:45,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:45,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:45,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:45,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:45,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:45,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:45,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:45,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:45,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:45,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:45,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:45,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:45,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:45,713 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-24 22:23:45,751 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:45,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:45,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:45,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:45,760 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:45,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:45,763 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:45,763 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:45,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:45,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:45,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:45,768 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:45,768 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:45,769 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:45,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:45,770 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:45,770 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:45,770 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:45,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:45,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:45,774 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:45,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:45,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:45,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:45,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:45,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:23:45,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:23:45,777 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 -> 579bc16896f0e20e11afe49ee7ceb82dfd52b156 [2019-11-24 22:23:46,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:46,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:46,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:46,427 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:46,430 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:46,431 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-24 22:23:46,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95a9be5fa/f4e4f2e25eb148c0b7cd99e9dda8816b/FLAG1f1e06255 [2019-11-24 22:23:47,857 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:47,860 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-24 22:23:47,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95a9be5fa/f4e4f2e25eb148c0b7cd99e9dda8816b/FLAG1f1e06255 [2019-11-24 22:23:47,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95a9be5fa/f4e4f2e25eb148c0b7cd99e9dda8816b [2019-11-24 22:23:47,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:47,954 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:47,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:47,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:47,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:47,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:47" (1/1) ... [2019-11-24 22:23:47,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cbcb891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:47, skipping insertion in model container [2019-11-24 22:23:47,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:47" (1/1) ... [2019-11-24 22:23:47,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:48,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:49,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:49,238 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:49,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:49,553 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:49,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:49 WrapperNode [2019-11-24 22:23:49,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:49,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:49,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:49,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:49,575 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 22:23:49,576 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 22:23:49,626 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 22:23:49,627 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 22:23:49,705 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 22:23:49,759 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 22:23:49,777 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 22:23:49,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:49,825 INFO L168 Benchmark]: Toolchain (without parser) took 1865.30 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 972.1 MB in the end (delta: -10.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:49,830 INFO L168 Benchmark]: CDTParser took 0.54 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 22:23:49,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1600.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 977.8 MB in the end (delta: -16.2 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:49,837 INFO L168 Benchmark]: Boogie Preprocessor took 259.17 ms. Allocated memory is still 1.0 GB. Free memory was 977.8 MB in the beginning and 972.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:49,852 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 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 1600.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 977.8 MB in the end (delta: -16.2 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 259.17 ms. Allocated memory is still 1.0 GB. Free memory was 977.8 MB in the beginning and 972.1 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 22:23:53,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:23:53,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:23:53,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:23:53,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:23:53,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:23:53,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:23:53,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:23:53,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:23:53,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:23:53,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:23:53,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:23:53,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:23:53,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:23:53,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:23:53,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:23:53,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:23:53,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:23:53,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:23:53,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:23:53,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:23:53,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:23:53,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:23:53,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:23:53,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:23:53,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:23:53,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:23:54,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:23:54,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:23:54,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:23:54,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:23:54,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:23:54,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:23:54,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:23:54,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:23:54,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:23:54,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:23:54,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:23:54,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:23:54,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:23:54,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:23:54,037 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-24 22:23:54,076 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:23:54,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:23:54,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:23:54,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:23:54,084 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:23:54,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:23:54,085 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 22:23:54,087 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:23:54,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:23:54,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 22:23:54,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:23:54,092 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:23:54,092 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:23:54,093 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:23:54,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:23:54,094 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:23:54,094 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:23:54,094 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:23:54,094 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 22:23:54,097 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:23:54,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:23:54,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:23:54,098 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:23:54,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:23:54,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:23:54,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:23:54,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:23:54,104 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:23:54,104 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:23:54,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:23:54,106 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 -> 579bc16896f0e20e11afe49ee7ceb82dfd52b156 [2019-11-24 22:23:54,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:23:54,804 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:23:54,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:23:54,815 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:23:54,819 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:23:54,821 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-24 22:23:54,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb5a37df/b5c76b485aeb4b45bf8690728ef8f8ac/FLAG4287b767d [2019-11-24 22:23:56,232 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:23:56,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-24 22:23:56,284 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb5a37df/b5c76b485aeb4b45bf8690728ef8f8ac/FLAG4287b767d [2019-11-24 22:23:56,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcb5a37df/b5c76b485aeb4b45bf8690728ef8f8ac [2019-11-24 22:23:56,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:23:56,344 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:23:56,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:56,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:23:56,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:23:56,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:56" (1/1) ... [2019-11-24 22:23:56,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cbcb891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:56, skipping insertion in model container [2019-11-24 22:23:56,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:23:56" (1/1) ... [2019-11-24 22:23:56,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:23:56,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:23:57,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:57,625 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 22:23:57,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 22:23:57,913 INFO L208 MainTranslator]: Completed translation [2019-11-24 22:23:57,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:23:57 WrapperNode [2019-11-24 22:23:57,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:23:57,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 22:23:57,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 22:23:57,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 22:23:57,928 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 22:23:57,929 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 22:23:57,981 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 22:23:57,981 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 22:23:58,041 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 22:23:58,089 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 22:23:58,115 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 22:23:58,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 22:23:58,156 INFO L168 Benchmark]: Toolchain (without parser) took 1809.92 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 972.5 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:23:58,160 INFO L168 Benchmark]: CDTParser took 3.14 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 22:23:58,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1567.12 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:58,170 INFO L168 Benchmark]: Boogie Preprocessor took 233.86 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 22:23:58,182 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.14 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 1567.12 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 233.86 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 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...