./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 025d5a27 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 0.1.24-025d5a2 [2019-11-26 17:58:27,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:27,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:27,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:27,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:27,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:27,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:27,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:27,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:27,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:27,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:27,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:27,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:27,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:27,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:27,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:27,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:27,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:27,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:27,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:27,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:27,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:27,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:27,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:27,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:27,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:27,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:27,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:27,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:27,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:27,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:27,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:27,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:27,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:27,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:27,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:27,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:27,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:27,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:27,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:27,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:27,389 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 17:58:27,427 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:27,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:27,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:27,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:27,436 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:27,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:27,438 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:58:27,439 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:27,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:27,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:58:27,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:27,443 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:27,443 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:27,444 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:27,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:27,444 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:27,446 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:58:27,446 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:27,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:27,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:27,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:27,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:27,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:27,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:27,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:27,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:58:27,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:58:27,452 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 17:58:28,071 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:28,101 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:28,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:28,114 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:28,115 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:28,116 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-26 17:58:28,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83781a464/76d5c66c109640509dff2309eb95b864/FLAG110f239c9 [2019-11-26 17:58:29,576 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:29,577 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-26 17:58:29,617 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83781a464/76d5c66c109640509dff2309eb95b864/FLAG110f239c9 [2019-11-26 17:58:29,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83781a464/76d5c66c109640509dff2309eb95b864 [2019-11-26 17:58:29,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:29,671 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:29,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:29,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:29,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:29,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:29" (1/1) ... [2019-11-26 17:58:29,695 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 05:58:29, skipping insertion in model container [2019-11-26 17:58:29,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:29" (1/1) ... [2019-11-26 17:58:29,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:29,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:31,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:58:31,014 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:58:31,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:58:31,358 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:58:31,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:31 WrapperNode [2019-11-26 17:58:31,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:31,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:58:31,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:58:31,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:58:31,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:31" (1/1) ... [2019-11-26 17:58:31,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:31" (1/1) ... [2019-11-26 17:58:31,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:31" (1/1) ... [2019-11-26 17:58:31,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:31" (1/1) ... [2019-11-26 17:58:31,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:31" (1/1) ... [2019-11-26 17:58:31,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:31" (1/1) ... [2019-11-26 17:58:31,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:31" (1/1) ... [2019-11-26 17:58:31,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:58:31,631 INFO L168 Benchmark]: Toolchain (without parser) took 1958.79 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. [2019-11-26 17:58:31,641 INFO L168 Benchmark]: CDTParser took 2.60 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 17:58:31,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1687.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:58:31,644 INFO L168 Benchmark]: Boogie Preprocessor took 260.69 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 17:58:31,659 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.60 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 1687.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 260.69 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 0.1.24-025d5a2 [2019-11-26 17:58:35,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:58:35,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:58:35,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:58:35,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:58:35,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:58:35,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:58:35,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:58:35,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:58:35,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:58:35,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:58:35,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:58:35,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:58:35,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:58:35,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:58:35,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:58:35,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:58:35,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:58:35,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:58:35,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:58:35,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:58:35,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:58:35,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:58:35,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:58:35,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:58:35,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:58:35,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:58:35,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:58:35,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:58:35,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:58:35,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:58:35,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:58:35,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:58:35,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:58:35,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:58:35,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:58:35,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:58:35,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:58:35,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:58:35,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:58:35,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:58:35,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 17:58:35,730 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:58:35,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:58:35,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:58:35,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:58:35,739 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:58:35,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:58:35,740 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:58:35,740 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 17:58:35,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:58:35,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:58:35,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:58:35,742 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 17:58:35,743 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 17:58:35,745 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 17:58:35,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:58:35,746 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 17:58:35,746 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:58:35,746 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:58:35,747 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:58:35,747 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:58:35,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:58:35,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:58:35,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:58:35,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:58:35,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:58:35,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:58:35,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:58:35,753 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:58:35,753 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:58:35,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:58:35,755 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 17:58:36,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:58:36,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:58:36,349 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:58:36,357 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:58:36,357 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:58:36,359 INFO L428 ainManager$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 17:58:36,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18899b67e/57ec6c2a70a54ddd9adf273dc1c9550a/FLAGb554d110e [2019-11-26 17:58:37,788 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:58:37,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-26 17:58:37,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18899b67e/57ec6c2a70a54ddd9adf273dc1c9550a/FLAGb554d110e [2019-11-26 17:58:37,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18899b67e/57ec6c2a70a54ddd9adf273dc1c9550a [2019-11-26 17:58:37,887 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:58:37,894 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 17:58:37,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:37,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:58:37,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:58:37,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:37" (1/1) ... [2019-11-26 17:58:37,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12144453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:37, skipping insertion in model container [2019-11-26 17:58:37,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:58:37" (1/1) ... [2019-11-26 17:58:37,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:58:38,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:58:39,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:58:39,242 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:58:39,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:58:39,621 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:58:39,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:39 WrapperNode [2019-11-26 17:58:39,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:58:39,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:58:39,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:58:39,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:58:39,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:39" (1/1) ... [2019-11-26 17:58:39,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:39" (1/1) ... [2019-11-26 17:58:39,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:39" (1/1) ... [2019-11-26 17:58:39,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:39" (1/1) ... [2019-11-26 17:58:39,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:39" (1/1) ... [2019-11-26 17:58:39,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:39" (1/1) ... [2019-11-26 17:58:39,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:58:39" (1/1) ... [2019-11-26 17:58:39,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:58:39,901 INFO L168 Benchmark]: Toolchain (without parser) took 1998.86 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 17:58:39,902 INFO L168 Benchmark]: CDTParser took 0.41 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 17:58:39,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1726.51 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 17:58:39,911 INFO L168 Benchmark]: Boogie Preprocessor took 263.86 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 17:58:39,916 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 1726.51 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 263.86 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...