./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 509859d6 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 0.1.24-509859d [2019-11-27 15:41:26,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:26,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:26,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:26,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:26,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:26,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:26,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:26,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:26,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:26,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:26,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:26,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:26,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:26,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:26,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:26,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:26,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:26,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:26,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:26,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:26,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:26,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:26,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:26,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:26,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:26,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:26,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:26,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:26,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:26,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:26,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:26,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:26,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:26,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:26,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:26,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:26,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:26,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:26,478 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:26,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:26,483 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 15:41:26,523 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:26,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:26,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:26,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:26,530 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:26,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:26,531 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:26,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 15:41:26,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:26,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:26,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:26,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:26,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:26,538 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:26,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:26,539 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:26,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:26,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:26,540 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:26,543 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:26,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:26,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:26,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:26,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:26,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:26,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 15:41:26,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 15:41:26,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:26,548 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 15:41:27,139 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:27,168 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:27,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:27,177 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:27,178 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:27,181 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-27 15:41:27,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5a027020/36a92212bfba4b8d8695fa31fe22972b/FLAG80a5dd241 [2019-11-27 15:41:28,478 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:28,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-27 15:41:28,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5a027020/36a92212bfba4b8d8695fa31fe22972b/FLAG80a5dd241 [2019-11-27 15:41:28,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5a027020/36a92212bfba4b8d8695fa31fe22972b [2019-11-27 15:41:28,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:28,602 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:28,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:28,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:28,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:28,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:28" (1/1) ... [2019-11-27 15:41:28,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777bc9c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:28, skipping insertion in model container [2019-11-27 15:41:28,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:28" (1/1) ... [2019-11-27 15:41:28,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:28,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:29,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:29,809 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:30,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:30,138 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:30,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30 WrapperNode [2019-11-27 15:41:30,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:30,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:30,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:30,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:30,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:30,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:30,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:30,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:30,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:30" (1/1) ... [2019-11-27 15:41:30,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:30,716 INFO L168 Benchmark]: Toolchain (without parser) took 2106.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 955.3 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:30,717 INFO L168 Benchmark]: CDTParser took 0.50 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. [2019-11-27 15:41:30,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1532.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:30,722 INFO L168 Benchmark]: Boogie Procedure Inliner took 279.30 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 15:41:30,724 INFO L168 Benchmark]: Boogie Preprocessor took 277.69 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 955.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:30,738 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 1532.90 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.2 MB in the end (delta: -16.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 279.30 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 277.69 ms. Allocated memory is still 1.0 GB. Free memory was 966.8 MB in the beginning and 955.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 15:41:34,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 15:41:34,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 15:41:34,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 15:41:34,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 15:41:34,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 15:41:34,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 15:41:34,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 15:41:34,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 15:41:34,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 15:41:34,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 15:41:34,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 15:41:34,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 15:41:34,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 15:41:34,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 15:41:34,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 15:41:34,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 15:41:34,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 15:41:34,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 15:41:34,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 15:41:34,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 15:41:34,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 15:41:34,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 15:41:34,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 15:41:34,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 15:41:34,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 15:41:34,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 15:41:34,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 15:41:34,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 15:41:34,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 15:41:34,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 15:41:34,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 15:41:34,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 15:41:34,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 15:41:34,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 15:41:34,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 15:41:34,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 15:41:34,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 15:41:34,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 15:41:34,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 15:41:34,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 15:41:34,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 15:41:34,847 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 15:41:34,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 15:41:34,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 15:41:34,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 15:41:34,854 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 15:41:34,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 15:41:34,855 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 15:41:34,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 15:41:34,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 15:41:34,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 15:41:34,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 15:41:34,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 15:41:34,859 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 15:41:34,860 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 15:41:34,860 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 15:41:34,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 15:41:34,862 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 15:41:34,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 15:41:34,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 15:41:34,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 15:41:34,865 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 15:41:34,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 15:41:34,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 15:41:34,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 15:41:34,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 15:41:34,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 15:41:34,870 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 15:41:34,870 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 15:41:34,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 15:41:34,871 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 15:41:34,872 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 15:41:35,434 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 15:41:35,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 15:41:35,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 15:41:35,471 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 15:41:35,472 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 15:41:35,476 INFO L428 ainManager$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 15:41:35,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e8586a2/d53c57f0367f403c9b046e1e7feaefa2/FLAG20a012ba1 [2019-11-27 15:41:36,800 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 15:41:36,804 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-27 15:41:36,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e8586a2/d53c57f0367f403c9b046e1e7feaefa2/FLAG20a012ba1 [2019-11-27 15:41:36,891 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e8586a2/d53c57f0367f403c9b046e1e7feaefa2 [2019-11-27 15:41:36,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 15:41:36,904 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 15:41:36,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:36,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 15:41:36,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 15:41:36,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:36" (1/1) ... [2019-11-27 15:41:36,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4578b0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:36, skipping insertion in model container [2019-11-27 15:41:36,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 03:41:36" (1/1) ... [2019-11-27 15:41:36,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 15:41:37,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 15:41:38,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:38,153 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 15:41:38,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 15:41:38,464 INFO L208 MainTranslator]: Completed translation [2019-11-27 15:41:38,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:38 WrapperNode [2019-11-27 15:41:38,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 15:41:38,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:38,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 15:41:38,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 15:41:38,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:38" (1/1) ... [2019-11-27 15:41:38,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:38" (1/1) ... [2019-11-27 15:41:38,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 15:41:38,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 15:41:38,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 15:41:38,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 15:41:38,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:38" (1/1) ... [2019-11-27 15:41:38,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:38" (1/1) ... [2019-11-27 15:41:38,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:38" (1/1) ... [2019-11-27 15:41:38,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:38" (1/1) ... [2019-11-27 15:41:38,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:38" (1/1) ... [2019-11-27 15:41:38,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:38" (1/1) ... [2019-11-27 15:41:38,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 03:41:38" (1/1) ... [2019-11-27 15:41:39,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 15:41:39,018 INFO L168 Benchmark]: Toolchain (without parser) took 2106.63 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 15:41:39,019 INFO L168 Benchmark]: CDTParser took 0.36 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 15:41:39,020 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1557.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:39,026 INFO L168 Benchmark]: Boogie Procedure Inliner took 256.84 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 966.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. [2019-11-27 15:41:39,027 INFO L168 Benchmark]: Boogie Preprocessor took 282.10 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 15:41:39,039 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1557.93 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 256.84 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 966.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 282.10 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...