./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/AutomizerReach.xml -i ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7ccaa093bf8ff79a61d120955ada15d034501ead ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/AutomizerReach.xml -i ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7ccaa093bf8ff79a61d120955ada15d034501ead ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:24:26,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:24:26,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:24:26,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:24:26,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:24:26,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:24:26,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:24:26,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:24:26,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:24:26,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:24:26,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:24:26,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:24:26,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:24:26,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:24:26,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:24:26,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:24:26,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:24:26,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:24:26,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:24:26,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:24:26,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:24:26,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:24:26,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:24:26,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:24:26,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:24:26,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:24:26,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:24:26,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:24:26,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:24:26,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:24:26,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:24:26,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:24:26,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:24:26,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:24:26,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:24:26,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:24:26,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:24:26,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:24:26,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:24:26,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:24:26,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:24:26,485 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:24:26,529 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:24:26,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:24:26,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:24:26,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:24:26,539 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:24:26,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:24:26,541 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:24:26,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:24:26,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:24:26,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:24:26,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:24:26,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:24:26,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:24:26,546 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:24:26,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:24:26,547 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:24:26,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:24:26,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:24:26,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:24:26,550 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:24:26,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:24:26,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:24:26,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:24:26,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:24:26,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:24:26,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:24:26,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:24:26,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:24:26,556 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 ! call(__VERIFIER_error())) ) 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 -> 7ccaa093bf8ff79a61d120955ada15d034501ead [2019-11-25 22:24:27,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:24:27,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:24:27,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:24:27,251 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:24:27,255 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:24:27,256 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-11-25 22:24:27,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b468e667/39ac15ab21e04c889a91adc3bc43f672/FLAGa13b5a678 [2019-11-25 22:24:28,670 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:24:28,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-11-25 22:24:28,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b468e667/39ac15ab21e04c889a91adc3bc43f672/FLAGa13b5a678 [2019-11-25 22:24:28,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b468e667/39ac15ab21e04c889a91adc3bc43f672 [2019-11-25 22:24:28,752 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:24:28,754 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:24:28,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:28,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:24:28,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:24:28,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:28" (1/1) ... [2019-11-25 22:24:28,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bca1b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:28, skipping insertion in model container [2019-11-25 22:24:28,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:28" (1/1) ... [2019-11-25 22:24:28,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:24:28,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:24:29,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:29,938 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:24:30,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:30,180 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:24:30,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30 WrapperNode [2019-11-25 22:24:30,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:30,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:30,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:24:30,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:24:30,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:30,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:24:30,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:24:30,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:24:30,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:30" (1/1) ... [2019-11-25 22:24:30,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:24:30,678 INFO L168 Benchmark]: Toolchain (without parser) took 1914.72 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 956.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:30,681 INFO L168 Benchmark]: CDTParser took 0.34 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. [2019-11-25 22:24:30,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1417.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 974.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:30,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 244.08 ms. Allocated memory is still 1.0 GB. Free memory was 974.1 MB in the beginning and 968.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:30,690 INFO L168 Benchmark]: Boogie Preprocessor took 237.91 ms. Allocated memory is still 1.0 GB. Free memory was 968.4 MB in the beginning and 956.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:30,702 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 1417.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 974.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 244.08 ms. Allocated memory is still 1.0 GB. Free memory was 974.1 MB in the beginning and 968.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 237.91 ms. Allocated memory is still 1.0 GB. Free memory was 968.4 MB in the beginning and 956.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 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 [2019-11-25 22:24:34,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:24:34,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:24:34,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:24:34,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:24:34,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:24:34,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:24:34,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:24:34,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:24:34,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:24:34,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:24:34,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:24:34,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:24:34,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:24:34,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:24:34,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:24:34,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:24:34,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:24:34,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:24:34,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:24:34,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:24:34,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:24:34,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:24:34,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:24:34,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:24:34,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:24:34,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:24:34,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:24:34,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:24:34,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:24:34,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:24:34,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:24:34,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:24:34,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:24:34,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:24:34,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:24:34,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:24:34,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:24:34,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:24:34,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:24:34,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:24:34,813 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:24:34,875 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:24:34,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:24:34,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:24:34,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:24:34,882 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:24:34,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:24:34,883 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:24:34,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:24:34,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:24:34,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:24:34,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:24:34,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:24:34,889 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:24:34,891 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:24:34,891 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:24:34,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:24:34,893 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:24:34,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:24:34,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:24:34,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:24:34,897 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:24:34,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:24:34,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:24:34,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:24:34,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:24:34,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:24:34,902 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:24:34,903 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:24:34,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:24:34,904 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:24:34,906 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 ! call(__VERIFIER_error())) ) 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 -> 7ccaa093bf8ff79a61d120955ada15d034501ead [2019-11-25 22:24:35,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:24:35,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:24:35,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:24:35,527 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:24:35,530 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:24:35,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-11-25 22:24:35,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db4c318a3/55289248c7ac47bd965a62e65f0222dc/FLAG972d53b28 [2019-11-25 22:24:36,976 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:24:36,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-11-25 22:24:37,016 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db4c318a3/55289248c7ac47bd965a62e65f0222dc/FLAG972d53b28 [2019-11-25 22:24:37,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db4c318a3/55289248c7ac47bd965a62e65f0222dc [2019-11-25 22:24:37,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:24:37,063 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:24:37,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:37,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:24:37,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:24:37,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:37" (1/1) ... [2019-11-25 22:24:37,088 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 25.11 10:24:37, skipping insertion in model container [2019-11-25 22:24:37,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:37" (1/1) ... [2019-11-25 22:24:37,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:24:37,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:24:38,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:38,187 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:24:38,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:38,448 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:24:38,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:38 WrapperNode [2019-11-25 22:24:38,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:38,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:38,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:24:38,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:24:38,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:38" (1/1) ... [2019-11-25 22:24:38,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:38" (1/1) ... [2019-11-25 22:24:38,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:38,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:24:38,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:24:38,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:24:38,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:38" (1/1) ... [2019-11-25 22:24:38,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:38" (1/1) ... [2019-11-25 22:24:38,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:38" (1/1) ... [2019-11-25 22:24:38,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:38" (1/1) ... [2019-11-25 22:24:38,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:38" (1/1) ... [2019-11-25 22:24:38,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:38" (1/1) ... [2019-11-25 22:24:39,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:38" (1/1) ... [2019-11-25 22:24:39,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:24:39,057 INFO L168 Benchmark]: Toolchain (without parser) took 1986.17 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 966.9 MB in the end (delta: -5.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:24:39,064 INFO L168 Benchmark]: CDTParser took 0.60 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. [2019-11-25 22:24:39,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1379.42 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 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:39,071 INFO L168 Benchmark]: Boogie Procedure Inliner took 324.83 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:39,072 INFO L168 Benchmark]: Boogie Preprocessor took 256.64 ms. Allocated memory is still 1.0 GB. Free memory was 972.7 MB in the beginning and 966.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:39,083 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 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 1379.42 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 978.4 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 324.83 ms. Allocated memory is still 1.0 GB. Free memory was 978.4 MB in the beginning and 972.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 256.64 ms. Allocated memory is still 1.0 GB. Free memory was 972.7 MB in the beginning and 966.9 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...