./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 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-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8ad17193196daf327eee34f8d3cbf6704a80a533 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8ad17193196daf327eee34f8d3cbf6704a80a533 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:28:11,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:11,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:12,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:12,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:12,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:12,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:12,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:12,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:12,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:12,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:12,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:12,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:12,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:12,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:12,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:12,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:12,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:12,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:12,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:12,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:12,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:12,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:12,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:12,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:12,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:12,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:12,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:12,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:12,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:12,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:12,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:12,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:12,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:12,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:12,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:12,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:12,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:12,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:12,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:12,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:12,112 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:28:12,137 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:12,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:12,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:12,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:12,147 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:12,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:12,147 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:12,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:12,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:12,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:12,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:12,149 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:12,149 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:12,150 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:12,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:12,150 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:12,150 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:12,151 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:12,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:12,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:12,152 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:12,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:12,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:12,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:12,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:12,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:28:12,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:28:12,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ad17193196daf327eee34f8d3cbf6704a80a533 [2019-11-26 00:28:12,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:12,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:12,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:12,614 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:12,616 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:12,617 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2019-11-26 00:28:12,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4135fb415/9d9484a1a0a64b0797377e6fd943fc2a/FLAG7099f7c93 [2019-11-26 00:28:13,593 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:13,594 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2019-11-26 00:28:13,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4135fb415/9d9484a1a0a64b0797377e6fd943fc2a/FLAG7099f7c93 [2019-11-26 00:28:13,757 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4135fb415/9d9484a1a0a64b0797377e6fd943fc2a [2019-11-26 00:28:13,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:13,770 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:13,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:13,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:13,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:13,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:13" (1/1) ... [2019-11-26 00:28:13,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@601bf59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:13, skipping insertion in model container [2019-11-26 00:28:13,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:13" (1/1) ... [2019-11-26 00:28:13,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:13,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:14,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:14,670 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:14,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:14,917 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:14,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:14 WrapperNode [2019-11-26 00:28:14,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:14,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:14,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:14,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:14,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:14" (1/1) ... [2019-11-26 00:28:14,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:14" (1/1) ... [2019-11-26 00:28:14,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:14" (1/1) ... [2019-11-26 00:28:14,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:14" (1/1) ... [2019-11-26 00:28:15,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:14" (1/1) ... [2019-11-26 00:28:15,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:14" (1/1) ... [2019-11-26 00:28:15,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:14" (1/1) ... [2019-11-26 00:28:15,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:15,130 INFO L168 Benchmark]: Toolchain (without parser) took 1353.58 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 972.5 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:15,131 INFO L168 Benchmark]: CDTParser took 1.23 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 00:28:15,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1147.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:15,138 INFO L168 Benchmark]: Boogie Preprocessor took 197.67 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:15,148 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23 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 1147.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 197.67 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 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 00:28:18,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:28:18,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:28:18,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:28:18,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:28:18,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:28:18,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:28:18,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:28:18,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:28:18,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:28:18,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:28:18,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:28:18,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:28:18,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:28:18,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:28:18,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:28:18,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:28:18,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:28:18,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:28:18,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:28:18,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:28:18,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:28:18,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:28:18,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:28:18,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:28:18,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:28:18,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:28:18,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:28:18,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:28:18,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:28:18,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:28:18,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:28:18,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:28:18,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:28:18,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:28:18,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:28:18,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:28:18,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:28:18,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:28:18,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:28:18,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:28:18,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:28:18,275 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:28:18,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:28:18,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:28:18,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:28:18,286 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:28:18,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:28:18,287 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:28:18,287 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:28:18,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:28:18,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:28:18,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:28:18,291 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:28:18,291 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:28:18,291 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:28:18,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:28:18,292 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:28:18,292 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:28:18,292 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:28:18,292 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:28:18,293 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:28:18,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:28:18,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:28:18,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:28:18,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:28:18,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:28:18,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:28:18,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:28:18,296 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:28:18,296 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:28:18,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:28:18,297 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ad17193196daf327eee34f8d3cbf6704a80a533 [2019-11-26 00:28:18,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:28:18,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:28:18,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:28:18,731 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:28:18,735 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:28:18,737 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2019-11-26 00:28:18,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/339ef4de4/3046f9ca27094e34a13024b579c252a5/FLAGe1987e49a [2019-11-26 00:28:19,699 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:28:19,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2019-11-26 00:28:19,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/339ef4de4/3046f9ca27094e34a13024b579c252a5/FLAGe1987e49a [2019-11-26 00:28:19,882 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/339ef4de4/3046f9ca27094e34a13024b579c252a5 [2019-11-26 00:28:19,885 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:28:19,888 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:28:19,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:19,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:28:19,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:28:19,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:19" (1/1) ... [2019-11-26 00:28:19,908 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 12:28:19, skipping insertion in model container [2019-11-26 00:28:19,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:28:19" (1/1) ... [2019-11-26 00:28:19,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:28:20,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:28:20,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:20,796 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:28:20,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:28:21,015 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:28:21,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:21 WrapperNode [2019-11-26 00:28:21,016 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:28:21,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:28:21,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:28:21,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:28:21,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:21" (1/1) ... [2019-11-26 00:28:21,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:21" (1/1) ... [2019-11-26 00:28:21,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:21" (1/1) ... [2019-11-26 00:28:21,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:21" (1/1) ... [2019-11-26 00:28:21,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:21" (1/1) ... [2019-11-26 00:28:21,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:21" (1/1) ... [2019-11-26 00:28:21,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:28:21" (1/1) ... [2019-11-26 00:28:21,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:28:21,220 INFO L168 Benchmark]: Toolchain (without parser) took 1332.81 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 972.5 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:28:21,229 INFO L168 Benchmark]: CDTParser took 0.30 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 00:28:21,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1115.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:21,233 INFO L168 Benchmark]: Boogie Preprocessor took 200.45 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:28:21,244 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 1115.84 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 200.45 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 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...