./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.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_simpl4.cil-2.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 8ad17193196daf327eee34f8d3cbf6704a80a533 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.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 8ad17193196daf327eee34f8d3cbf6704a80a533 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:24:28,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:24:28,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:24:28,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:24:28,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:24:28,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:24:28,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:24:28,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:24:28,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:24:28,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:24:28,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:24:28,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:24:28,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:24:28,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:24:28,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:24:28,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:24:28,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:24:28,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:24:28,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:24:28,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:24:28,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:24:28,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:24:28,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:24:28,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:24:28,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:24:28,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:24:28,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:24:28,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:24:28,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:24:28,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:24:28,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:24:28,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:24:28,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:24:28,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:24:28,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:24:28,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:24:28,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:24:28,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:24:28,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:24:28,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:24:28,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:24:28,833 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:24:28,871 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:24:28,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:24:28,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:24:28,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:24:28,880 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:24:28,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:24:28,881 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:24:28,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:24:28,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:24:28,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:24:28,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:24:28,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:24:28,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:24:28,887 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:24:28,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:24:28,887 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:24:28,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:24:28,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:24:28,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:24:28,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:24:28,891 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:24:28,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:24:28,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:24:28,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:24:28,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:24:28,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:24:28,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:24:28,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:24:28,894 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 -> 8ad17193196daf327eee34f8d3cbf6704a80a533 [2019-11-25 22:24:29,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:24:29,483 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:24:29,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:24:29,494 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:24:29,496 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:24:29,497 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2019-11-25 22:24:29,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb8bfd809/eb15e589602044e286f4b2dd7521d5be/FLAG84bc54cd0 [2019-11-25 22:24:30,893 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:24:30,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2019-11-25 22:24:30,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb8bfd809/eb15e589602044e286f4b2dd7521d5be/FLAG84bc54cd0 [2019-11-25 22:24:31,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb8bfd809/eb15e589602044e286f4b2dd7521d5be [2019-11-25 22:24:31,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:24:31,360 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:24:31,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:31,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:24:31,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:24:31,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:31" (1/1) ... [2019-11-25 22:24:31,382 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 25.11 10:24:31, skipping insertion in model container [2019-11-25 22:24:31,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:31" (1/1) ... [2019-11-25 22:24:31,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:24:31,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:24:32,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:32,562 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:24:32,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:32,841 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:24:32,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:32 WrapperNode [2019-11-25 22:24:32,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:32,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:32,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:24:32,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:24:32,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:32" (1/1) ... [2019-11-25 22:24:32,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:32" (1/1) ... [2019-11-25 22:24:33,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:33,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:24:33,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:24:33,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:24:33,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:32" (1/1) ... [2019-11-25 22:24:33,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:32" (1/1) ... [2019-11-25 22:24:33,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:32" (1/1) ... [2019-11-25 22:24:33,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:32" (1/1) ... [2019-11-25 22:24:33,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:32" (1/1) ... [2019-11-25 22:24:33,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:32" (1/1) ... [2019-11-25 22:24:33,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:32" (1/1) ... [2019-11-25 22:24:33,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:24:33,417 INFO L168 Benchmark]: Toolchain (without parser) took 2049.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 956.2 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:33,423 INFO L168 Benchmark]: CDTParser took 2.61 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. [2019-11-25 22:24:33,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1478.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 979.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 32.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:33,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 284.73 ms. Allocated memory is still 1.0 GB. Free memory was 979.1 MB in the beginning and 967.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:33,435 INFO L168 Benchmark]: Boogie Preprocessor took 278.21 ms. Allocated memory is still 1.0 GB. Free memory was 967.6 MB in the beginning and 956.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:33,441 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.61 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 1478.31 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 968.8 MB in the beginning and 979.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 32.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 284.73 ms. Allocated memory is still 1.0 GB. Free memory was 979.1 MB in the beginning and 967.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 278.21 ms. Allocated memory is still 1.0 GB. Free memory was 967.6 MB in the beginning and 956.2 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 22:24:37,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:24:37,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:24:37,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:24:37,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:24:37,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:24:37,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:24:37,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:24:37,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:24:37,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:24:37,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:24:37,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:24:37,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:24:37,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:24:37,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:24:37,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:24:37,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:24:37,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:24:37,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:24:37,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:24:37,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:24:37,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:24:37,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:24:37,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:24:37,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:24:37,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:24:37,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:24:37,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:24:37,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:24:37,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:24:37,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:24:37,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:24:37,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:24:37,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:24:37,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:24:37,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:24:37,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:24:37,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:24:37,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:24:37,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:24:37,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:24:37,440 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:24:37,496 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:24:37,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:24:37,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:24:37,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:24:37,503 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:24:37,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:24:37,506 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:24:37,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:24:37,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:24:37,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:24:37,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:24:37,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:24:37,509 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:24:37,509 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:24:37,512 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:24:37,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:24:37,512 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:24:37,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:24:37,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:24:37,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:24:37,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:24:37,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:24:37,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:24:37,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:24:37,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:24:37,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:24:37,518 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:24:37,519 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:24:37,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:24:37,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:24:37,522 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 -> 8ad17193196daf327eee34f8d3cbf6704a80a533 [2019-11-25 22:24:38,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:24:38,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:24:38,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:24:38,065 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:24:38,066 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:24:38,068 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2019-11-25 22:24:38,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee1fc813/b2796d4500c24d5ab234d21759f6d585/FLAG35972dce5 [2019-11-25 22:24:39,440 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:24:39,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2019-11-25 22:24:39,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee1fc813/b2796d4500c24d5ab234d21759f6d585/FLAG35972dce5 [2019-11-25 22:24:39,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee1fc813/b2796d4500c24d5ab234d21759f6d585 [2019-11-25 22:24:39,523 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:24:39,528 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:24:39,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:39,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:24:39,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:24:39,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:39" (1/1) ... [2019-11-25 22:24:39,550 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 10:24:39, skipping insertion in model container [2019-11-25 22:24:39,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:39" (1/1) ... [2019-11-25 22:24:39,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:24:39,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:24:40,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:40,703 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:24:40,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:24:41,022 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:24:41,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:41 WrapperNode [2019-11-25 22:24:41,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:41,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:41,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:24:41,039 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:24:41,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:41" (1/1) ... [2019-11-25 22:24:41,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:41" (1/1) ... [2019-11-25 22:24:41,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:24:41,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:24:41,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:24:41,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:24:41,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:41" (1/1) ... [2019-11-25 22:24:41,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:41" (1/1) ... [2019-11-25 22:24:41,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:41" (1/1) ... [2019-11-25 22:24:41,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:41" (1/1) ... [2019-11-25 22:24:41,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:41" (1/1) ... [2019-11-25 22:24:41,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:41" (1/1) ... [2019-11-25 22:24:41,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:41" (1/1) ... [2019-11-25 22:24:41,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:24:41,655 INFO L168 Benchmark]: Toolchain (without parser) took 2129.22 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 955.3 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:41,662 INFO L168 Benchmark]: CDTParser took 0.36 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 22:24:41,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1492.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-25 22:24:41,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 324.84 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 966.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:41,670 INFO L168 Benchmark]: Boogie Preprocessor took 286.70 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 955.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:24:41,679 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 1492.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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 Procedure Inliner took 324.84 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 966.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 286.70 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 955.3 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...