./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 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-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 7ccaa093bf8ff79a61d120955ada15d034501ead .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-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 7ccaa093bf8ff79a61d120955ada15d034501ead ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:28:12,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:12,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:12,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:12,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:12,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:12,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:12,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:12,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:12,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:12,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:12,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:12,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:12,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:12,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:12,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:12,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:12,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:12,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:12,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:12,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:12,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:12,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:12,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:12,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:12,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:12,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:12,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:12,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:12,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:12,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:12,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:12,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:12,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:12,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:12,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:12,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:12,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:12,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:12,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:12,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:12,505 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:28:12,543 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:12,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:12,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:12,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:12,551 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:12,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:12,551 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:12,552 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:12,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:12,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:12,555 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:12,556 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:12,556 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:12,557 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:12,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:12,558 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:12,558 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:12,560 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:12,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:12,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:12,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:12,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:12,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:12,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:12,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:12,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:28:12,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:28:12,565 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 -> 7ccaa093bf8ff79a61d120955ada15d034501ead [2019-11-26 00:28:13,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:13,229 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:13,237 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:13,239 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:13,244 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:13,245 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-11-26 00:28:13,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d639e0f9/64fbd21e394c4b63a13f46b938576769/FLAG130917100 [2019-11-26 00:28:14,662 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:14,663 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-11-26 00:28:14,703 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d639e0f9/64fbd21e394c4b63a13f46b938576769/FLAG130917100 [2019-11-26 00:28:15,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d639e0f9/64fbd21e394c4b63a13f46b938576769 [2019-11-26 00:28:15,219 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:15,223 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:15,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:15,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:15,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:15,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:15" (1/1) ... [2019-11-26 00:28:15,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4578b0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:15, skipping insertion in model container [2019-11-26 00:28:15,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:15" (1/1) ... [2019-11-26 00:28:15,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:15,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:16,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:16,284 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:16,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:16,527 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:16,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:16 WrapperNode [2019-11-26 00:28:16,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:16,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:16,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:16,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:16,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:16" (1/1) ... [2019-11-26 00:28:16,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:16" (1/1) ... [2019-11-26 00:28:16,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:16" (1/1) ... [2019-11-26 00:28:16,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:16" (1/1) ... [2019-11-26 00:28:16,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:16" (1/1) ... [2019-11-26 00:28:16,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:16" (1/1) ... [2019-11-26 00:28:16,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:16" (1/1) ... [2019-11-26 00:28:16,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:16,737 INFO L168 Benchmark]: Toolchain (without parser) took 1511.33 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 979.6 MB in the end (delta: -17.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:16,740 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:16,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1296.98 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 985.3 MB in the end (delta: -23.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:16,748 INFO L168 Benchmark]: Boogie Preprocessor took 199.86 ms. Allocated memory is still 1.0 GB. Free memory was 985.3 MB in the beginning and 979.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:16,756 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 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 1296.98 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 985.3 MB in the end (delta: -23.6 MB). Peak memory consumption was 20.9 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 199.86 ms. Allocated memory is still 1.0 GB. Free memory was 985.3 MB in the beginning and 979.6 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 0.1.24-65d6cd2 [2019-11-26 00:28:21,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:21,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:21,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:21,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:21,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:21,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:21,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:21,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:21,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:21,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:21,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:21,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:21,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:21,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:21,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:21,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:21,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:21,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:21,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:21,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:21,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:21,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:21,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:21,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:21,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:21,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:21,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:21,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:21,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:21,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:21,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:21,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:21,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:21,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:21,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:21,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:21,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:21,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:21,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:21,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:21,606 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:28:21,647 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:21,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:21,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:21,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:21,654 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:21,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:21,657 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:21,658 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:21,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:21,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:21,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:21,660 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:21,660 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:21,661 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:21,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:21,662 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:21,662 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:21,665 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:21,665 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:21,665 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:21,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:21,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:21,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:21,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:21,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:21,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:21,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:21,670 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:21,670 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:21,670 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:21,672 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 -> 7ccaa093bf8ff79a61d120955ada15d034501ead [2019-11-26 00:28:22,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:22,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:22,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:22,307 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:22,310 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:22,312 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-11-26 00:28:22,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/766a9e8ad/6ed6eb439c2f4b7ca77195b455ef1908/FLAG7e78e6428 [2019-11-26 00:28:23,498 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:23,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-11-26 00:28:23,538 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/766a9e8ad/6ed6eb439c2f4b7ca77195b455ef1908/FLAG7e78e6428 [2019-11-26 00:28:23,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/766a9e8ad/6ed6eb439c2f4b7ca77195b455ef1908 [2019-11-26 00:28:23,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:23,595 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:23,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:23,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:23,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:23,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:23" (1/1) ... [2019-11-26 00:28:23,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41248f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:23, skipping insertion in model container [2019-11-26 00:28:23,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:23" (1/1) ... [2019-11-26 00:28:23,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:23,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:24,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:24,743 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:24,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:24,984 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:24,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24 WrapperNode [2019-11-26 00:28:24,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:24,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:24,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:24,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:25,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24" (1/1) ... [2019-11-26 00:28:25,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24" (1/1) ... [2019-11-26 00:28:25,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24" (1/1) ... [2019-11-26 00:28:25,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24" (1/1) ... [2019-11-26 00:28:25,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24" (1/1) ... [2019-11-26 00:28:25,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24" (1/1) ... [2019-11-26 00:28:25,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24" (1/1) ... [2019-11-26 00:28:25,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:25,214 INFO L168 Benchmark]: Toolchain (without parser) took 1615.39 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 979.9 MB in the end (delta: -18.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:25,219 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:25,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1388.05 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 979.9 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:25,226 INFO L168 Benchmark]: Boogie Preprocessor took 218.98 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:25,238 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 1388.05 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 979.9 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 218.98 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 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...