./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ntdrivers/floppy2.i.cil.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/floppy2.i.cil.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 8c33fbb2f2d3064c24fd4b9014f0197e4b8425a2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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/floppy2.i.cil.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 8c33fbb2f2d3064c24fd4b9014f0197e4b8425a2 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:24:51,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:24:51,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:24:51,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:24:51,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:24:51,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:24:51,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:24:51,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:24:51,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:24:51,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:24:51,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:24:51,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:24:51,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:24:51,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:24:51,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:24:51,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:24:51,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:24:51,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:24:51,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:24:51,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:24:51,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:24:51,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:24:51,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:24:51,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:24:51,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:24:51,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:24:51,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:24:51,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:24:51,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:24:51,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:24:51,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:24:51,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:24:51,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:24:51,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:24:51,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:24:51,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:24:51,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:24:51,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:24:51,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:24:51,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:24:51,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:24:52,000 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:24:52,039 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:24:52,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:24:52,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:24:52,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:24:52,047 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:24:52,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:24:52,049 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:24:52,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:24:52,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:24:52,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:24:52,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:24:52,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:24:52,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:24:52,054 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:24:52,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:24:52,056 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:24:52,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:24:52,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:24:52,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:24:52,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:24:52,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:24:52,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:24:52,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:24:52,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:24:52,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:24:52,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:24:52,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:24:52,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:24:52,065 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 -> 8c33fbb2f2d3064c24fd4b9014f0197e4b8425a2 [2019-11-25 22:24:52,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:24:52,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:24:52,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:24:52,676 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:24:52,680 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:24:52,681 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers/floppy2.i.cil.c [2019-11-25 22:24:52,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06d63bd38/6933a2d6f6b942d1958c7c2c4dc64845/FLAGec494ffa2 [2019-11-25 22:24:55,462 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:24:55,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/floppy2.i.cil.c [2019-11-25 22:24:55,617 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06d63bd38/6933a2d6f6b942d1958c7c2c4dc64845/FLAGec494ffa2 [2019-11-25 22:24:55,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06d63bd38/6933a2d6f6b942d1958c7c2c4dc64845 [2019-11-25 22:24:55,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:24:55,670 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:24:55,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:24:55,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:24:55,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:24:55,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:55" (1/1) ... [2019-11-25 22:24:55,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7855e3d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:55, skipping insertion in model container [2019-11-25 22:24:55,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:55" (1/1) ... [2019-11-25 22:24:55,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:24:56,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:25:01,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:25:01,865 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:25:03,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:25:04,281 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:25:04,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:04 WrapperNode [2019-11-25 22:25:04,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:25:04,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:25:04,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:25:04,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:25:04,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:04" (1/1) ... [2019-11-25 22:25:04,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:04" (1/1) ... [2019-11-25 22:25:05,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:25:05,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:25:05,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:25:05,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:25:05,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:04" (1/1) ... [2019-11-25 22:25:05,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:04" (1/1) ... [2019-11-25 22:25:05,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:04" (1/1) ... [2019-11-25 22:25:05,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:04" (1/1) ... [2019-11-25 22:25:05,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:04" (1/1) ... [2019-11-25 22:25:05,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:04" (1/1) ... [2019-11-25 22:25:05,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:04" (1/1) ... [2019-11-25 22:25:06,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:25:06,051 INFO L168 Benchmark]: Toolchain (without parser) took 10375.79 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 765.6 MB in the end (delta: 167.5 MB). Peak memory consumption was 167.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:25:06,053 INFO L168 Benchmark]: CDTParser took 0.39 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 22:25:06,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8610.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 872.0 MB in the end (delta: 61.0 MB). Peak memory consumption was 283.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:25:06,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 950.94 ms. Allocated memory is still 1.0 GB. Free memory was 872.0 MB in the beginning and 814.4 MB in the end (delta: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:25:06,062 INFO L168 Benchmark]: Boogie Preprocessor took 802.27 ms. Allocated memory is still 1.0 GB. Free memory was 814.4 MB in the beginning and 765.6 MB in the end (delta: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:25:06,072 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 8610.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 933.1 MB in the beginning and 872.0 MB in the end (delta: 61.0 MB). Peak memory consumption was 283.1 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 950.94 ms. Allocated memory is still 1.0 GB. Free memory was 872.0 MB in the beginning and 814.4 MB in the end (delta: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 802.27 ms. Allocated memory is still 1.0 GB. Free memory was 814.4 MB in the beginning and 765.6 MB in the end (delta: 48.8 MB). Peak memory consumption was 48.8 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 22:25:10,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:25:10,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:25:10,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:25:10,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:25:10,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:25:10,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:25:10,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:25:10,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:25:10,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:25:10,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:25:10,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:25:10,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:25:10,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:25:10,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:25:10,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:25:10,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:25:10,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:25:10,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:25:10,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:25:10,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:25:10,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:25:10,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:25:10,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:25:10,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:25:10,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:25:10,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:25:10,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:25:10,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:25:10,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:25:10,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:25:10,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:25:10,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:25:10,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:25:10,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:25:10,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:25:10,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:25:10,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:25:10,232 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:25:10,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:25:10,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:25:10,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:25:10,282 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:25:10,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:25:10,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:25:10,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:25:10,291 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:25:10,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:25:10,292 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:25:10,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:25:10,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:25:10,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:25:10,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:25:10,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:25:10,298 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:25:10,298 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:25:10,299 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:25:10,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:25:10,299 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:25:10,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:25:10,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:25:10,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:25:10,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:25:10,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:25:10,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:25:10,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:25:10,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:25:10,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:25:10,305 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:25:10,308 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:25:10,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:25:10,309 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:25:10,309 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 -> 8c33fbb2f2d3064c24fd4b9014f0197e4b8425a2 [2019-11-25 22:25:10,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:25:10,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:25:10,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:25:10,978 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:25:10,982 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:25:10,984 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers/floppy2.i.cil.c [2019-11-25 22:25:11,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1d384dac/7c7813ec09844caea97ac27c06d9c33c/FLAG76f2c1476 [2019-11-25 22:25:13,556 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:25:13,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers/floppy2.i.cil.c [2019-11-25 22:25:13,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1d384dac/7c7813ec09844caea97ac27c06d9c33c/FLAG76f2c1476 [2019-11-25 22:25:13,806 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1d384dac/7c7813ec09844caea97ac27c06d9c33c [2019-11-25 22:25:13,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:25:13,824 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:25:13,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:25:13,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:25:13,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:25:13,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:25:13" (1/1) ... [2019-11-25 22:25:13,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e432ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:13, skipping insertion in model container [2019-11-25 22:25:13,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:25:13" (1/1) ... [2019-11-25 22:25:13,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:25:14,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:25:20,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:25:20,847 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:25:22,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:25:23,355 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:25:23,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:23 WrapperNode [2019-11-25 22:25:23,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:25:23,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:25:23,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:25:23,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:25:23,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:23" (1/1) ... [2019-11-25 22:25:23,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:23" (1/1) ... [2019-11-25 22:25:24,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:25:24,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:25:24,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:25:24,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:25:24,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:23" (1/1) ... [2019-11-25 22:25:24,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:23" (1/1) ... [2019-11-25 22:25:24,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:23" (1/1) ... [2019-11-25 22:25:24,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:23" (1/1) ... [2019-11-25 22:25:24,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:23" (1/1) ... [2019-11-25 22:25:24,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:23" (1/1) ... [2019-11-25 22:25:24,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:25:23" (1/1) ... [2019-11-25 22:25:24,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:25:24,982 INFO L168 Benchmark]: Toolchain (without parser) took 11153.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.8 MB in the beginning and 739.7 MB in the end (delta: 199.0 MB). Peak memory consumption was 199.1 MB. Max. memory is 12.5 GB. [2019-11-25 22:25:24,983 INFO L168 Benchmark]: CDTParser took 0.39 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 22:25:24,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 9532.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.8 MB in the beginning and 839.9 MB in the end (delta: 98.9 MB). Peak memory consumption was 278.2 MB. Max. memory is 12.5 GB. [2019-11-25 22:25:24,989 INFO L168 Benchmark]: Boogie Procedure Inliner took 919.57 ms. Allocated memory is still 1.0 GB. Free memory was 839.9 MB in the beginning and 787.3 MB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:25:24,992 INFO L168 Benchmark]: Boogie Preprocessor took 691.93 ms. Allocated memory is still 1.0 GB. Free memory was 787.3 MB in the beginning and 739.7 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 12.5 GB. [2019-11-25 22:25:25,003 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 9532.82 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 938.8 MB in the beginning and 839.9 MB in the end (delta: 98.9 MB). Peak memory consumption was 278.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 919.57 ms. Allocated memory is still 1.0 GB. Free memory was 839.9 MB in the beginning and 787.3 MB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 691.93 ms. Allocated memory is still 1.0 GB. Free memory was 787.3 MB in the beginning and 739.7 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...