./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 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_simpl4.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 579bc16896f0e20e11afe49ee7ceb82dfd52b156 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 579bc16896f0e20e11afe49ee7ceb82dfd52b156 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:28:12,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:12,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:12,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:12,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:12,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:12,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:12,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:12,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:12,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:12,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:12,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:12,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:12,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:12,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:12,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:12,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:12,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:12,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:12,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:12,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:12,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:12,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:12,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:12,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:12,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:12,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:12,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:12,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:12,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:12,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:12,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:12,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:12,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:12,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:12,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:12,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:12,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:12,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:12,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:12,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:12,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:28:12,891 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:12,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:12,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:12,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:12,899 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:12,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:12,901 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:12,901 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:12,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:12,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:12,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:12,905 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:12,905 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:12,906 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:12,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:12,909 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:12,909 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:12,910 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:12,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:12,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:12,911 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:12,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:12,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:12,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:12,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:12,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:28:12,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:28:12,915 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 579bc16896f0e20e11afe49ee7ceb82dfd52b156 [2019-11-26 00:28:13,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:13,481 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:13,492 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:13,494 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:13,497 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:13,498 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-26 00:28:13,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/845efa9cd/c42a6bd99d1447b0b8901acdb3d6e24f/FLAG10d31c3b4 [2019-11-26 00:28:14,858 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:14,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-26 00:28:14,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/845efa9cd/c42a6bd99d1447b0b8901acdb3d6e24f/FLAG10d31c3b4 [2019-11-26 00:28:14,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/845efa9cd/c42a6bd99d1447b0b8901acdb3d6e24f [2019-11-26 00:28:14,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:14,920 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:14,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:14,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:14,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:14,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:14" (1/1) ... [2019-11-26 00:28:14,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cbcb891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:14, skipping insertion in model container [2019-11-26 00:28:14,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:14" (1/1) ... [2019-11-26 00:28:14,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:15,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:16,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:16,078 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:16,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:16,453 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:16,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:16 WrapperNode [2019-11-26 00:28:16,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:16,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:16,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:16,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:16,482 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 00:28:16,482 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 00:28:16,541 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 00:28:16,543 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 00:28:16,619 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 00:28:16,660 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 00:28:16,684 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 00:28:16,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:16,735 INFO L168 Benchmark]: Toolchain (without parser) took 1803.83 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. [2019-11-26 00:28:16,736 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. [2019-11-26 00:28:16,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1525.20 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. [2019-11-26 00:28:16,746 INFO L168 Benchmark]: Boogie Preprocessor took 264.48 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. [2019-11-26 00:28:16,751 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 1525.20 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 264.48 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 0.1.24-65d6cd2 [2019-11-26 00:28:20,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:20,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:20,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:20,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:20,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:20,378 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:20,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:20,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:20,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:20,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:20,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:20,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:20,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:20,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:20,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:20,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:20,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:20,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:20,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:20,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:20,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:20,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:20,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:20,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:20,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:20,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:20,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:20,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:20,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:20,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:20,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:20,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:20,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:20,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:20,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:20,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:20,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:20,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:20,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:20,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:20,520 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:28:20,559 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:20,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:20,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:20,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:20,566 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:20,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:20,568 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:20,568 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:20,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:20,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:20,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:20,574 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:20,574 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:20,575 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:20,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:20,576 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:20,576 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:20,576 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:20,577 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:20,577 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:20,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:20,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:20,581 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:20,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:20,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:20,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:20,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:20,582 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:20,585 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:20,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:20,587 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 579bc16896f0e20e11afe49ee7ceb82dfd52b156 [2019-11-26 00:28:21,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:21,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:21,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:21,317 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:21,318 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:21,323 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-26 00:28:21,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd5092ed8/78d4c431bd64480697433031a5bb8a38/FLAG52ad3d0e8 [2019-11-26 00:28:22,698 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:22,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-26 00:28:22,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd5092ed8/78d4c431bd64480697433031a5bb8a38/FLAG52ad3d0e8 [2019-11-26 00:28:23,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd5092ed8/78d4c431bd64480697433031a5bb8a38 [2019-11-26 00:28:23,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:23,195 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:23,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:23,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:23,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:23,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:23" (1/1) ... [2019-11-26 00:28:23,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44043fb9 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 00:28:23,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:23" (1/1) ... [2019-11-26 00:28:23,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:23,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:24,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:24,489 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:24,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:24,828 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:24,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:24 WrapperNode [2019-11-26 00:28:24,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:24,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:24,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:24,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:24,848 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 00:28:24,849 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 00:28:24,907 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 00:28:24,908 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 00:28:24,981 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 00:28:25,028 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 00:28:25,049 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 00:28:25,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:25,093 INFO L168 Benchmark]: Toolchain (without parser) took 1899.54 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 973.4 MB in the end (delta: -6.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:25,100 INFO L168 Benchmark]: CDTParser took 3.55 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 00:28:25,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1632.87 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 979.1 MB in the end (delta: -11.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:25,106 INFO L168 Benchmark]: Boogie Preprocessor took 256.76 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. [2019-11-26 00:28:25,122 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.55 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 1632.87 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 979.1 MB in the end (delta: -11.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 256.76 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...