./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 32f26835 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 0.1.24-32f2683 [2019-11-24 20:38:29,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:38:29,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:38:29,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:38:29,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:38:29,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:38:29,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:38:29,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:38:29,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:38:29,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:38:29,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:38:29,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:38:29,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:38:29,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:38:29,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:38:29,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:38:29,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:38:29,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:38:29,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:38:29,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:38:29,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:38:29,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:38:29,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:38:29,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:38:29,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:38:29,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:38:29,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:38:29,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:38:29,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:38:29,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:38:29,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:38:29,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:38:29,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:38:29,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:38:29,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:38:29,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:38:29,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:38:29,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:38:29,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:38:29,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:38:29,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:38:29,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 20:38:29,460 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:38:29,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:38:29,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:38:29,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:38:29,467 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:38:29,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:38:29,470 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:38:29,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 20:38:29,471 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:38:29,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:38:29,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:38:29,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:38:29,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:38:29,475 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:38:29,475 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:38:29,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:38:29,476 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:38:29,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:38:29,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:38:29,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:38:29,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:38:29,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:38:29,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:38:29,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:38:29,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:38:29,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:38:29,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 20:38:29,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 20:38:29,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:38:29,483 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 [2019-11-24 20:38:30,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:38:30,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:38:30,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:38:30,067 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:38:30,069 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:38:30,070 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2019-11-24 20:38:30,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac14ba18e/5e44374c50f34ff7b9f0436dac07a2f1/FLAG4edfbe224 [2019-11-24 20:38:31,513 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:38:31,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2019-11-24 20:38:31,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac14ba18e/5e44374c50f34ff7b9f0436dac07a2f1/FLAG4edfbe224 [2019-11-24 20:38:31,598 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac14ba18e/5e44374c50f34ff7b9f0436dac07a2f1 [2019-11-24 20:38:31,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:38:31,606 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:38:31,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:31,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:38:31,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:38:31,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:31" (1/1) ... [2019-11-24 20:38:31,633 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 24.11 08:38:31, skipping insertion in model container [2019-11-24 20:38:31,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:31" (1/1) ... [2019-11-24 20:38:31,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:38:31,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:38:32,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:32,748 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:38:32,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:33,056 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:38:33,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:33 WrapperNode [2019-11-24 20:38:33,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:33,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:33,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:38:33,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:38:33,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:33" (1/1) ... [2019-11-24 20:38:33,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:33" (1/1) ... [2019-11-24 20:38:33,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:33,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:38:33,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:38:33,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:38:33,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:33" (1/1) ... [2019-11-24 20:38:33,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:33" (1/1) ... [2019-11-24 20:38:33,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:33" (1/1) ... [2019-11-24 20:38:33,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:33" (1/1) ... [2019-11-24 20:38:33,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:33" (1/1) ... [2019-11-24 20:38:33,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:33" (1/1) ... [2019-11-24 20:38:33,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:33" (1/1) ... [2019-11-24 20:38:33,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:38:33,607 INFO L168 Benchmark]: Toolchain (without parser) took 1996.93 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 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:33,608 INFO L168 Benchmark]: CDTParser took 2.20 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. [2019-11-24 20:38:33,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1443.13 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 973.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:33,616 INFO L168 Benchmark]: Boogie Procedure Inliner took 271.24 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. [2019-11-24 20:38:33,619 INFO L168 Benchmark]: Boogie Preprocessor took 267.88 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 951.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:33,626 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.20 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 1443.13 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 973.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 271.24 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 267.88 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 951.0 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 0.1.24-32f2683 [2019-11-24 20:38:37,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 20:38:37,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 20:38:37,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 20:38:37,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 20:38:37,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 20:38:37,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 20:38:37,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 20:38:37,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 20:38:37,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 20:38:37,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 20:38:37,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 20:38:37,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 20:38:37,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 20:38:37,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 20:38:37,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 20:38:37,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 20:38:37,485 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 20:38:37,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 20:38:37,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 20:38:37,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 20:38:37,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 20:38:37,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 20:38:37,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 20:38:37,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 20:38:37,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 20:38:37,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 20:38:37,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 20:38:37,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 20:38:37,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 20:38:37,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 20:38:37,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 20:38:37,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 20:38:37,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 20:38:37,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 20:38:37,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 20:38:37,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 20:38:37,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 20:38:37,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 20:38:37,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 20:38:37,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 20:38:37,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 20:38:37,602 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 20:38:37,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 20:38:37,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 20:38:37,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 20:38:37,609 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 20:38:37,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 20:38:37,611 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 20:38:37,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 20:38:37,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 20:38:37,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 20:38:37,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 20:38:37,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 20:38:37,616 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 20:38:37,617 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 20:38:37,617 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 20:38:37,617 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 20:38:37,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 20:38:37,618 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 20:38:37,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 20:38:37,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 20:38:37,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 20:38:37,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 20:38:37,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 20:38:37,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 20:38:37,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 20:38:37,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 20:38:37,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 20:38:37,624 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 20:38:37,624 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 20:38:37,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 20:38:37,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 20:38:37,627 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 [2019-11-24 20:38:38,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 20:38:38,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 20:38:38,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 20:38:38,238 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 20:38:38,239 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 20:38:38,240 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2019-11-24 20:38:38,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/208c92a4d/5269eb7e936d42d284cf63d17673b815/FLAGe862ab843 [2019-11-24 20:38:39,617 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 20:38:39,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2019-11-24 20:38:39,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/208c92a4d/5269eb7e936d42d284cf63d17673b815/FLAGe862ab843 [2019-11-24 20:38:39,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/208c92a4d/5269eb7e936d42d284cf63d17673b815 [2019-11-24 20:38:39,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 20:38:39,719 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 20:38:39,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:39,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 20:38:39,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 20:38:39,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:39" (1/1) ... [2019-11-24 20:38:39,741 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 24.11 08:38:39, skipping insertion in model container [2019-11-24 20:38:39,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 08:38:39" (1/1) ... [2019-11-24 20:38:39,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 20:38:39,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 20:38:40,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:40,926 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 20:38:41,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 20:38:41,308 INFO L208 MainTranslator]: Completed translation [2019-11-24 20:38:41,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41 WrapperNode [2019-11-24 20:38:41,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 20:38:41,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:41,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 20:38:41,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 20:38:41,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41" (1/1) ... [2019-11-24 20:38:41,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41" (1/1) ... [2019-11-24 20:38:41,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 20:38:41,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 20:38:41,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 20:38:41,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 20:38:41,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41" (1/1) ... [2019-11-24 20:38:41,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41" (1/1) ... [2019-11-24 20:38:41,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41" (1/1) ... [2019-11-24 20:38:41,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41" (1/1) ... [2019-11-24 20:38:41,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41" (1/1) ... [2019-11-24 20:38:41,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41" (1/1) ... [2019-11-24 20:38:41,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 08:38:41" (1/1) ... [2019-11-24 20:38:41,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 20:38:41,903 INFO L168 Benchmark]: Toolchain (without parser) took 2182.19 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 10.8 MB. Max. memory is 12.5 GB. [2019-11-24 20:38:41,907 INFO L168 Benchmark]: CDTParser took 1.35 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. [2019-11-24 20:38:41,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1588.87 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. [2019-11-24 20:38:41,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 293.12 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. [2019-11-24 20:38:41,917 INFO L168 Benchmark]: Boogie Preprocessor took 291.74 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. [2019-11-24 20:38:41,927 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35 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 1588.87 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 293.12 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 291.74 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...