./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.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 579bc16896f0e20e11afe49ee7ceb82dfd52b156 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.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 579bc16896f0e20e11afe49ee7ceb82dfd52b156 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:19:37,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:37,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:37,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:37,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:37,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:37,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:37,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:37,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:37,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:37,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:37,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:37,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:37,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:37,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:37,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:37,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:37,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:37,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:37,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:37,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:37,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:37,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:37,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:37,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:37,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:37,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:37,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:37,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:37,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:37,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:37,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:37,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:37,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:37,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:37,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:37,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:37,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:37,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:37,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:37,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:37,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:19:37,252 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:37,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:37,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:37,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:37,258 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:37,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:37,261 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:37,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:19:37,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:37,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:37,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:37,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:37,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:37,266 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:37,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:37,269 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:37,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:37,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:37,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:37,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:37,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:37,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:37,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:37,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:37,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:37,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:19:37,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:19:37,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:37,276 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 -> 579bc16896f0e20e11afe49ee7ceb82dfd52b156 [2019-11-27 09:19:37,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:37,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:37,951 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:37,956 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:37,957 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:37,959 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-27 09:19:38,128 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94a416f95/ba5574282f9e4c76a69c3a4b60317c4c/FLAG1243cef74 [2019-11-27 09:19:39,479 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:39,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-27 09:19:39,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94a416f95/ba5574282f9e4c76a69c3a4b60317c4c/FLAG1243cef74 [2019-11-27 09:19:39,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94a416f95/ba5574282f9e4c76a69c3a4b60317c4c [2019-11-27 09:19:39,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:39,598 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:39,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:39,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:39,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:39,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:39" (1/1) ... [2019-11-27 09:19:39,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12144453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:39, skipping insertion in model container [2019-11-27 09:19:39,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:39" (1/1) ... [2019-11-27 09:19:39,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:39,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:40,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:40,955 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:41,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:41,240 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:41,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41 WrapperNode [2019-11-27 09:19:41,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:41,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:41,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:41,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:41,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41" (1/1) ... [2019-11-27 09:19:41,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41" (1/1) ... [2019-11-27 09:19:41,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:41,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:41,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:41,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:41,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41" (1/1) ... [2019-11-27 09:19:41,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41" (1/1) ... [2019-11-27 09:19:41,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41" (1/1) ... [2019-11-27 09:19:41,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41" (1/1) ... [2019-11-27 09:19:41,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41" (1/1) ... [2019-11-27 09:19:41,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41" (1/1) ... [2019-11-27 09:19:41,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:41" (1/1) ... [2019-11-27 09:19:41,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:41,855 INFO L168 Benchmark]: Toolchain (without parser) took 2250.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 956.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:41,856 INFO L168 Benchmark]: CDTParser took 3.05 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:41,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1639.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 973.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 32.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:41,862 INFO L168 Benchmark]: Boogie Procedure Inliner took 315.43 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 962.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:41,863 INFO L168 Benchmark]: Boogie Preprocessor took 283.51 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 956.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:41,879 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.05 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 1639.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 973.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 32.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 315.43 ms. Allocated memory is still 1.0 GB. Free memory was 973.9 MB in the beginning and 962.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 283.51 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 956.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:19:45,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:19:45,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:19:45,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:19:45,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:19:45,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:19:45,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:19:45,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:19:45,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:19:45,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:19:45,941 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:19:45,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:19:45,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:19:45,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:19:45,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:19:45,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:19:45,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:19:45,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:19:45,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:19:45,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:19:46,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:19:46,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:19:46,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:19:46,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:19:46,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:19:46,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:19:46,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:19:46,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:19:46,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:19:46,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:19:46,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:19:46,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:19:46,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:19:46,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:19:46,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:19:46,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:19:46,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:19:46,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:19:46,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:19:46,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:19:46,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:19:46,062 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:19:46,105 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:19:46,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:19:46,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:19:46,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:19:46,113 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:19:46,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:19:46,114 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:19:46,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:19:46,115 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:19:46,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:19:46,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:19:46,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:19:46,119 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:19:46,120 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:19:46,120 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:19:46,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:19:46,123 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:19:46,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:19:46,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:19:46,124 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:19:46,125 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:19:46,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:19:46,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:19:46,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:19:46,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:19:46,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:19:46,129 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:19:46,129 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:19:46,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:19:46,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:19:46,132 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 -> 579bc16896f0e20e11afe49ee7ceb82dfd52b156 [2019-11-27 09:19:46,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:19:46,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:19:46,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:19:46,827 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:19:46,830 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:19:46,832 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-27 09:19:46,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/695790273/1352c36332af49f68f6c647734e9e22d/FLAG81dcb27c8 [2019-11-27 09:19:48,304 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:19:48,311 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-27 09:19:48,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/695790273/1352c36332af49f68f6c647734e9e22d/FLAG81dcb27c8 [2019-11-27 09:19:48,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/695790273/1352c36332af49f68f6c647734e9e22d [2019-11-27 09:19:48,404 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:19:48,410 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:19:48,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:48,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:19:48,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:19:48,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:48" (1/1) ... [2019-11-27 09:19:48,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12144453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:48, skipping insertion in model container [2019-11-27 09:19:48,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:19:48" (1/1) ... [2019-11-27 09:19:48,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:19:48,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:19:49,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:49,698 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:19:49,969 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:19:50,019 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:19:50,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50 WrapperNode [2019-11-27 09:19:50,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:19:50,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:50,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:19:50,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:19:50,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,299 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:19:50,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:19:50,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:19:50,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:19:50,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:19:50" (1/1) ... [2019-11-27 09:19:50,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:19:50,596 INFO L168 Benchmark]: Toolchain (without parser) took 2181.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 961.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:50,598 INFO L168 Benchmark]: CDTParser took 2.04 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:19:50,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1608.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 32.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:50,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 278.36 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. [2019-11-27 09:19:50,609 INFO L168 Benchmark]: Boogie Preprocessor took 283.83 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:19:50,615 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.04 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 1608.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 32.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 278.36 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 283.83 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 961.0 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...