./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 da95e156 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-da95e15 [2019-11-27 11:23:35,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:35,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:35,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:35,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:35,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:35,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:35,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:35,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:35,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:35,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:35,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:35,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:35,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:35,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:35,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:35,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:35,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:35,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:35,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:35,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:35,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:35,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:35,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:35,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:35,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:35,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:35,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:35,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:35,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:35,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:35,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:35,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:35,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:35,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:35,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:35,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:35,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:35,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:35,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:35,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:35,188 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:23:35,229 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:35,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:35,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:35,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:35,235 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:35,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:35,238 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:35,238 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:35,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:35,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:35,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:35,240 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:35,240 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:35,241 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:35,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:35,243 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:35,243 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:35,244 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:35,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:35,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:35,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:35,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:35,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:35,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:35,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:35,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:23:35,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:23:35,250 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 [2019-11-27 11:23:35,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:35,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:35,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:35,953 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:35,955 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:35,957 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-27 11:23:36,114 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/914f70fe9/e9549f4dbf20443a8fb927f5519eb180/FLAG0cd3e59a5 [2019-11-27 11:23:37,358 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:37,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-27 11:23:37,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/914f70fe9/e9549f4dbf20443a8fb927f5519eb180/FLAG0cd3e59a5 [2019-11-27 11:23:37,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/914f70fe9/e9549f4dbf20443a8fb927f5519eb180 [2019-11-27 11:23:37,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:37,458 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:37,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:37,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:37,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:37,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:37" (1/1) ... [2019-11-27 11:23:37,481 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 27.11 11:23:37, skipping insertion in model container [2019-11-27 11:23:37,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:37" (1/1) ... [2019-11-27 11:23:37,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:37,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:38,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:38,736 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:38,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:39,060 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:39,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:39 WrapperNode [2019-11-27 11:23:39,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:39,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:39,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:39,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:39,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:39" (1/1) ... [2019-11-27 11:23:39,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:39" (1/1) ... [2019-11-27 11:23:39,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:39" (1/1) ... [2019-11-27 11:23:39,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:39" (1/1) ... [2019-11-27 11:23:39,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:39" (1/1) ... [2019-11-27 11:23:39,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:39" (1/1) ... [2019-11-27 11:23:39,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:39" (1/1) ... [2019-11-27 11:23:39,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:39,321 INFO L168 Benchmark]: Toolchain (without parser) took 1859.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:39,323 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:39,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1601.97 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 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 32.2 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:39,332 INFO L168 Benchmark]: Boogie Preprocessor took 248.20 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. [2019-11-27 11:23:39,340 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 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 1601.97 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 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 32.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 248.20 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-da95e15 [2019-11-27 11:23:43,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:23:43,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:23:43,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:23:43,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:23:43,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:23:43,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:23:43,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:23:43,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:23:43,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:23:43,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:23:43,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:23:43,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:23:43,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:23:43,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:23:43,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:23:43,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:23:43,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:23:43,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:23:43,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:23:43,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:23:43,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:23:43,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:23:43,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:23:43,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:23:43,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:23:43,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:23:43,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:23:43,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:23:43,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:23:43,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:23:43,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:23:43,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:23:43,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:23:43,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:23:43,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:23:43,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:23:43,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:23:43,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:23:43,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:23:43,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:23:43,320 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:23:43,353 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:23:43,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:23:43,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:23:43,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:23:43,362 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:23:43,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:23:43,362 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:23:43,363 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:23:43,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:23:43,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:23:43,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:23:43,366 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:23:43,367 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:23:43,367 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:23:43,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:23:43,368 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:23:43,370 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:23:43,370 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:23:43,370 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:23:43,371 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:23:43,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:23:43,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:23:43,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:23:43,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:23:43,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:23:43,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:23:43,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:23:43,376 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:23:43,376 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:23:43,376 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:23:43,378 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 [2019-11-27 11:23:43,943 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:23:43,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:23:43,977 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:23:43,983 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:23:43,985 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:23:43,987 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-27 11:23:44,141 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d4a545d/c1d9717d19fc48cea9450260d3c0df92/FLAGdede47d64 [2019-11-27 11:23:45,343 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:23:45,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-27 11:23:45,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d4a545d/c1d9717d19fc48cea9450260d3c0df92/FLAGdede47d64 [2019-11-27 11:23:45,809 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d4a545d/c1d9717d19fc48cea9450260d3c0df92 [2019-11-27 11:23:45,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:23:45,819 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:23:45,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:45,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:23:45,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:23:45,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:45" (1/1) ... [2019-11-27 11:23:45,841 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 27.11 11:23:45, skipping insertion in model container [2019-11-27 11:23:45,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:23:45" (1/1) ... [2019-11-27 11:23:45,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:23:45,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:23:47,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:47,047 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:23:47,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:23:47,363 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:23:47,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:47 WrapperNode [2019-11-27 11:23:47,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:23:47,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:23:47,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:23:47,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:23:47,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:47" (1/1) ... [2019-11-27 11:23:47,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:47" (1/1) ... [2019-11-27 11:23:47,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:47" (1/1) ... [2019-11-27 11:23:47,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:47" (1/1) ... [2019-11-27 11:23:47,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:47" (1/1) ... [2019-11-27 11:23:47,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:47" (1/1) ... [2019-11-27 11:23:47,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:23:47" (1/1) ... [2019-11-27 11:23:47,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:23:47,611 INFO L168 Benchmark]: Toolchain (without parser) took 1788.11 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 973.4 MB in the end (delta: -7.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:47,616 INFO L168 Benchmark]: CDTParser took 2.02 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:23:47,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1535.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.1 MB in the end (delta: -13.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:47,623 INFO L168 Benchmark]: Boogie Preprocessor took 238.20 ms. Allocated memory is still 1.0 GB. Free memory was 979.1 MB in the beginning and 973.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:23:47,633 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.02 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 1535.38 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 965.9 MB in the beginning and 979.1 MB in the end (delta: -13.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 238.20 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...