./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 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-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 8ad17193196daf327eee34f8d3cbf6704a80a533 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-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 8ad17193196daf327eee34f8d3cbf6704a80a533 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:46:01,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:01,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:01,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:01,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:01,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:01,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:01,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:01,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:01,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:01,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:01,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:01,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:01,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:01,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:01,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:01,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:01,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:01,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:01,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:01,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:01,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:01,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:01,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:01,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:01,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:01,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:01,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:01,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:01,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:01,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:01,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:01,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:01,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:01,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:01,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:01,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:01,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:01,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:01,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:01,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:01,452 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:46:01,491 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:01,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:01,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:01,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:01,501 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:01,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:01,502 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:46:01,502 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:01,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:01,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:46:01,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:01,506 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:01,507 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:01,507 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:01,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:01,508 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:01,508 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:46:01,508 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:01,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:01,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:01,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:01,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:01,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:01,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:01,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:01,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:46:01,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:46:01,514 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 -> 8ad17193196daf327eee34f8d3cbf6704a80a533 [2019-11-27 17:46:02,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:02,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:02,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:02,177 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:02,177 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:02,178 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2019-11-27 17:46:02,339 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0de1d7b60/7dc892527bd7444aa34aab6897b170e5/FLAGd4139f506 [2019-11-27 17:46:03,606 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:03,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2019-11-27 17:46:03,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0de1d7b60/7dc892527bd7444aa34aab6897b170e5/FLAGd4139f506 [2019-11-27 17:46:03,704 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0de1d7b60/7dc892527bd7444aa34aab6897b170e5 [2019-11-27 17:46:03,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:03,710 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:03,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:03,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:03,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:03,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:03" (1/1) ... [2019-11-27 17:46:03,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12144453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:03, skipping insertion in model container [2019-11-27 17:46:03,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:03" (1/1) ... [2019-11-27 17:46:03,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:03,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:05,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:05,056 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:05,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:05,390 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:05,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05 WrapperNode [2019-11-27 17:46:05,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:05,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:05,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:05,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:05,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:05,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:05,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:05,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:05,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:05,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:05,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:05" (1/1) ... [2019-11-27 17:46:05,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:05,645 INFO L168 Benchmark]: Toolchain (without parser) took 1933.98 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 968.2 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:05,651 INFO L168 Benchmark]: CDTParser took 0.57 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 17:46:05,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1673.06 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:05,655 INFO L168 Benchmark]: Boogie Preprocessor took 242.41 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:05,664 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 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 1673.06 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 973.9 MB in the end (delta: -12.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 242.41 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 968.2 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 0.1.24-509859d [2019-11-27 17:46:09,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:46:09,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:46:09,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:46:09,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:46:09,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:46:09,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:46:09,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:46:09,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:46:09,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:46:09,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:46:09,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:46:09,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:46:09,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:46:09,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:46:09,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:46:09,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:46:09,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:46:09,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:46:09,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:46:09,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:46:09,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:46:09,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:46:09,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:46:09,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:46:09,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:46:09,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:46:09,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:46:09,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:46:09,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:46:09,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:46:09,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:46:09,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:46:09,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:46:09,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:46:09,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:46:09,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:46:09,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:46:09,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:46:09,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:46:09,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:46:09,688 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:46:09,728 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:46:09,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:46:09,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:46:09,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:46:09,738 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:46:09,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:46:09,740 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:46:09,740 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:46:09,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:46:09,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:46:09,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:46:09,745 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:46:09,745 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:46:09,746 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:46:09,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:46:09,746 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:46:09,748 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:46:09,748 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:46:09,748 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:46:09,749 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:46:09,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:46:09,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:46:09,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:46:09,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:46:09,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:46:09,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:46:09,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:46:09,754 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:46:09,754 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:46:09,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:46:09,758 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 -> 8ad17193196daf327eee34f8d3cbf6704a80a533 [2019-11-27 17:46:10,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:46:10,424 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:46:10,432 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:46:10,436 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:46:10,439 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:46:10,441 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2019-11-27 17:46:10,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25cb69cb5/5ee442c505b34988b094ef4028aed63a/FLAGff800cac0 [2019-11-27 17:46:11,808 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:46:11,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2019-11-27 17:46:11,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25cb69cb5/5ee442c505b34988b094ef4028aed63a/FLAGff800cac0 [2019-11-27 17:46:12,300 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25cb69cb5/5ee442c505b34988b094ef4028aed63a [2019-11-27 17:46:12,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:46:12,314 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:46:12,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:12,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:46:12,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:46:12,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:12" (1/1) ... [2019-11-27 17:46:12,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8eb7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:12, skipping insertion in model container [2019-11-27 17:46:12,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:46:12" (1/1) ... [2019-11-27 17:46:12,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:46:12,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:46:13,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:13,590 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:46:13,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:46:13,918 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:46:13,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:13 WrapperNode [2019-11-27 17:46:13,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:46:13,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:46:13,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:46:13,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:46:13,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:13" (1/1) ... [2019-11-27 17:46:13,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:13" (1/1) ... [2019-11-27 17:46:13,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:13" (1/1) ... [2019-11-27 17:46:13,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:13" (1/1) ... [2019-11-27 17:46:14,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:13" (1/1) ... [2019-11-27 17:46:14,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:13" (1/1) ... [2019-11-27 17:46:14,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:46:13" (1/1) ... [2019-11-27 17:46:14,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:46:14,182 INFO L168 Benchmark]: Toolchain (without parser) took 1867.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 973.4 MB in the end (delta: -7.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:14,188 INFO L168 Benchmark]: CDTParser took 2.61 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:46:14,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1600.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.1 MB in the end (delta: -13.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:14,195 INFO L168 Benchmark]: Boogie Preprocessor took 257.06 ms. Allocated memory is still 1.0 GB. Free memory was 979.1 MB in the beginning and 973.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:46:14,208 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.61 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1600.19 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.1 MB in the end (delta: -13.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 257.06 ms. Allocated memory is still 1.0 GB. Free memory was 979.1 MB in the beginning and 973.4 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...