./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 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_simpl3.cil-2.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 9b1a240fd075ce2cb4ef354f75e9bf02a7f7ab6f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_simpl3.cil-2.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 9b1a240fd075ce2cb4ef354f75e9bf02a7f7ab6f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:23:35,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:35,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:35,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:35,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:35,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:35,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:35,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:35,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:35,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:35,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:35,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:35,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:35,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:35,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:35,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:35,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:35,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:35,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:35,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:35,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:35,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:35,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:35,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:35,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:35,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:35,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:35,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:35,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:35,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:35,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:35,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:35,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:35,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:35,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:35,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:35,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:35,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:35,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:35,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:35,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:35,561 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:35,591 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:35,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:35,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:35,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:35,597 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:35,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:35,598 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:35,598 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:35,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:35,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:35,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:35,599 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:35,600 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:35,600 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:35,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:35,603 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:35,603 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:35,603 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:35,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:35,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:35,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:35,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:35,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:35,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:35,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:35,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:35,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:35,605 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 -> 9b1a240fd075ce2cb4ef354f75e9bf02a7f7ab6f [2019-11-27 11:23:36,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:36,145 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:36,153 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:36,157 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:36,162 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:36,163 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2019-11-27 11:23:36,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/909603f66/d5b72ff05c054505b198bbfa26b599ea/FLAG845ce35ff [2019-11-27 11:23:37,450 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:37,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2019-11-27 11:23:37,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/909603f66/d5b72ff05c054505b198bbfa26b599ea/FLAG845ce35ff [2019-11-27 11:23:37,988 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/909603f66/d5b72ff05c054505b198bbfa26b599ea [2019-11-27 11:23:37,995 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:38,002 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:38,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:38,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:38,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:38,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:37" (1/1) ... [2019-11-27 11:23:38,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cbf806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:38, skipping insertion in model container [2019-11-27 11:23:38,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:37" (1/1) ... [2019-11-27 11:23:38,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:38,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:39,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:39,112 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:39,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:39,364 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:39,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:39 WrapperNode [2019-11-27 11:23:39,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:39,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:39,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:39,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:39,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:39" (1/1) ... [2019-11-27 11:23:39,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:39" (1/1) ... [2019-11-27 11:23:39,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:39" (1/1) ... [2019-11-27 11:23:39,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:39" (1/1) ... [2019-11-27 11:23:39,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:39" (1/1) ... [2019-11-27 11:23:39,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:39" (1/1) ... [2019-11-27 11:23:39,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:39" (1/1) ... [2019-11-27 11:23:39,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:39,586 INFO L168 Benchmark]: Toolchain (without parser) took 1580.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 979.3 MB in the end (delta: -19.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:39,588 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:39,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1357.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.0 MB in the end (delta: -24.8 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:39,599 INFO L168 Benchmark]: Boogie Preprocessor took 210.47 ms. Allocated memory is still 1.0 GB. Free memory was 985.0 MB in the beginning and 979.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:39,611 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 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 1357.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 985.0 MB in the end (delta: -24.8 MB). Peak memory consumption was 26.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 210.47 ms. Allocated memory is still 1.0 GB. Free memory was 985.0 MB in the beginning and 979.3 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-da95e15 [2019-11-27 11:23:43,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:43,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:43,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:43,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:43,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:43,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:43,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:43,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:43,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:43,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:43,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:43,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:43,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:43,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:43,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:43,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:43,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:43,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:43,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:43,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:43,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:43,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:43,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:43,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:43,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:43,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:43,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:43,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:43,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:43,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:43,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:43,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:43,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:43,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:43,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:43,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:43,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:43,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:43,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:43,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:43,563 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:43,600 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:43,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:43,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:43,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:43,608 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:43,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:43,609 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:43,609 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:43,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:43,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:43,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:43,612 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:43,614 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:43,614 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:43,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:43,615 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:43,615 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:43,617 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:43,617 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:43,617 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:43,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:43,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:43,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:43,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:43,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:43,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:43,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:43,622 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:43,623 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:43,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:43,624 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 -> 9b1a240fd075ce2cb4ef354f75e9bf02a7f7ab6f [2019-11-27 11:23:44,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:44,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:44,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:44,186 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:44,190 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:44,192 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2019-11-27 11:23:44,349 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/525c56d76/54b85bfd0b8042bf833d6cade51df7e2/FLAGde20d4e8c [2019-11-27 11:23:45,561 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:45,566 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2019-11-27 11:23:45,605 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/525c56d76/54b85bfd0b8042bf833d6cade51df7e2/FLAGde20d4e8c [2019-11-27 11:23:45,645 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/525c56d76/54b85bfd0b8042bf833d6cade51df7e2 [2019-11-27 11:23:45,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:45,660 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:45,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:45,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:45,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:45,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:45" (1/1) ... [2019-11-27 11:23:45,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5519eb3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:45, skipping insertion in model container [2019-11-27 11:23:45,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:45" (1/1) ... [2019-11-27 11:23:45,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:45,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:46,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:46,584 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:46,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:46,867 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:46,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:46 WrapperNode [2019-11-27 11:23:46,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:46,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:46,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:46,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:46,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:46" (1/1) ... [2019-11-27 11:23:46,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:46" (1/1) ... [2019-11-27 11:23:46,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:46" (1/1) ... [2019-11-27 11:23:46,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:46" (1/1) ... [2019-11-27 11:23:47,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:46" (1/1) ... [2019-11-27 11:23:47,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:46" (1/1) ... [2019-11-27 11:23:47,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:46" (1/1) ... [2019-11-27 11:23:47,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:47,111 INFO L168 Benchmark]: Toolchain (without parser) took 1447.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.4 MB in the end (delta: -16.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:47,116 INFO L168 Benchmark]: CDTParser took 2.98 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:47,120 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1207.31 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 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:47,121 INFO L168 Benchmark]: Boogie Preprocessor took 232.91 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:47,132 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.98 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 1207.31 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 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 232.91 ms. Allocated memory is still 1.0 GB. Free memory is still 978.4 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...