./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 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-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 0.1.24-65d6cd2 [2019-11-26 00:28:12,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:12,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:12,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:12,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:12,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:12,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:12,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:12,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:12,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:12,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:12,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:12,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:12,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:12,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:12,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:12,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:12,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:12,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:12,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:12,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:12,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:12,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:12,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:12,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:12,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:12,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:12,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:12,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:12,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:12,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:12,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:12,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:12,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:12,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:12,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:12,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:12,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:12,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:12,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:12,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:12,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:28:12,701 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:12,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:12,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:12,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:12,710 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:12,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:12,712 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:12,712 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:12,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:12,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:12,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:12,717 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:12,717 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:12,718 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:12,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:12,720 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:12,720 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:12,721 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:12,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:12,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:12,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:12,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:12,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:12,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:12,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:12,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:28:12,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:28:12,726 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 [2019-11-26 00:28:13,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:13,333 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:13,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:13,348 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:13,349 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:13,349 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2019-11-26 00:28:13,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d624122/34fd232eb131429c820f161ffa1420fd/FLAGdd23ddfdd [2019-11-26 00:28:14,610 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:14,611 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2019-11-26 00:28:14,647 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d624122/34fd232eb131429c820f161ffa1420fd/FLAGdd23ddfdd [2019-11-26 00:28:14,750 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d624122/34fd232eb131429c820f161ffa1420fd [2019-11-26 00:28:14,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:14,759 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:14,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:14,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:14,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:14,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:14" (1/1) ... [2019-11-26 00:28:14,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777bc9c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:14, skipping insertion in model container [2019-11-26 00:28:14,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:14" (1/1) ... [2019-11-26 00:28:14,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:14,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:15,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:15,836 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:16,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:16,153 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:16,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:16 WrapperNode [2019-11-26 00:28:16,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:16,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:16,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:16,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:16,189 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 00:28:16,192 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 00:28:16,233 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 00:28:16,233 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 00:28:16,301 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 00:28:16,355 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 00:28:16,373 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 00:28:16,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:16,417 INFO L168 Benchmark]: Toolchain (without parser) took 1651.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.7 MB in the end (delta: -5.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:16,419 INFO L168 Benchmark]: CDTParser took 0.78 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. [2019-11-26 00:28:16,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1388.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.7 MB in the end (delta: -5.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:16,428 INFO L168 Benchmark]: Boogie Preprocessor took 248.22 ms. Allocated memory is still 1.0 GB. Free memory is still 972.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:16,440 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 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 1388.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.7 MB in the end (delta: -5.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 248.22 ms. Allocated memory is still 1.0 GB. Free memory is still 972.7 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:28:20,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:20,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:20,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:20,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:20,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:20,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:20,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:20,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:20,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:20,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:20,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:20,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:20,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:20,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:20,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:20,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:20,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:20,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:20,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:20,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:20,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:20,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:20,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:20,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:20,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:20,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:20,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:20,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:20,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:20,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:20,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:20,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:20,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:20,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:20,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:20,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:20,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:20,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:20,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:20,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:20,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:28:20,480 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:20,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:20,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:20,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:20,488 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:20,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:20,489 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:20,489 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:20,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:20,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:20,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:20,493 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:20,493 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:20,496 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:20,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:20,497 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:20,497 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:20,498 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:20,498 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:20,498 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:20,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:20,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:20,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:20,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:20,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:20,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:20,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:20,502 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:20,503 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:20,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:20,505 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 [2019-11-26 00:28:21,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:21,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:21,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:21,110 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:21,110 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:21,114 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2019-11-26 00:28:21,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eddf2f723/099e4bb5051249258d91ef4475b67c8b/FLAGcfb7cc13e [2019-11-26 00:28:22,411 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:22,412 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2019-11-26 00:28:22,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eddf2f723/099e4bb5051249258d91ef4475b67c8b/FLAGcfb7cc13e [2019-11-26 00:28:22,928 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eddf2f723/099e4bb5051249258d91ef4475b67c8b [2019-11-26 00:28:22,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:22,938 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:22,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:22,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:22,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:22,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:22" (1/1) ... [2019-11-26 00:28:22,959 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 26.11 12:28:22, skipping insertion in model container [2019-11-26 00:28:22,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:22" (1/1) ... [2019-11-26 00:28:22,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:23,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:24,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:24,081 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:24,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:24,338 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:24,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24 WrapperNode [2019-11-26 00:28:24,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:24,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:24,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:24,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:24,358 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 00:28:24,358 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 00:28:24,405 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 00:28:24,408 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 00:28:24,473 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 00:28:24,509 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 00:28:24,529 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 00:28:24,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:24,573 INFO L168 Benchmark]: Toolchain (without parser) took 1632.15 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 979.3 MB in the end (delta: -17.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:24,578 INFO L168 Benchmark]: CDTParser took 0.35 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 00:28:24,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1391.23 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 985.1 MB in the end (delta: -23.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:24,588 INFO L168 Benchmark]: Boogie Preprocessor took 226.23 ms. Allocated memory is still 1.0 GB. Free memory was 985.1 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. [2019-11-26 00:28:24,598 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 1391.23 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 985.1 MB in the end (delta: -23.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 226.23 ms. Allocated memory is still 1.0 GB. Free memory was 985.1 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...