./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1071.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/float-newlib/float_req_bl_1071.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 cbf38875841624eee0d839935b3b6d34a59b0b20 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/float-newlib/float_req_bl_1071.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 cbf38875841624eee0d839935b3b6d34a59b0b20 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:48:00,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:00,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:00,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:00,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:00,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:00,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:00,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:00,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:00,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:00,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:00,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:00,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:00,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:00,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:00,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:00,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:00,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:00,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:00,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:00,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:00,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:00,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:00,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:00,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:00,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:00,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:00,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:00,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:00,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:00,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:00,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:00,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:00,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:00,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:00,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:00,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:00,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:00,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:00,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:00,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:00,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:48:00,652 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:00,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:00,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:00,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:00,662 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:00,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:00,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:00,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:48:00,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:00,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:00,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:00,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:00,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:00,669 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:00,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:00,669 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:00,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:00,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:00,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:00,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:00,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:00,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:00,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:00,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:00,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:00,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:48:00,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:48:00,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:00,678 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 -> cbf38875841624eee0d839935b3b6d34a59b0b20 [2019-11-27 09:48:01,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:01,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:01,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:01,351 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:01,353 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:01,357 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1071.c [2019-11-27 09:48:01,525 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6994f3c21/c206f6e2bd244fe9ab69415e442e96dd/FLAGa0988d316 [2019-11-27 09:48:02,599 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:02,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1071.c [2019-11-27 09:48:02,617 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6994f3c21/c206f6e2bd244fe9ab69415e442e96dd/FLAGa0988d316 [2019-11-27 09:48:02,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6994f3c21/c206f6e2bd244fe9ab69415e442e96dd [2019-11-27 09:48:02,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:02,672 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:02,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:02,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:02,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:02,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:02" (1/1) ... [2019-11-27 09:48:02,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22abccbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:02, skipping insertion in model container [2019-11-27 09:48:02,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:02" (1/1) ... [2019-11-27 09:48:02,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:02,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:03,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:03,271 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:03,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:03,506 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:03,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:03 WrapperNode [2019-11-27 09:48:03,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:03,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:03,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:03,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:03,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:03" (1/1) ... [2019-11-27 09:48:03,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:03" (1/1) ... [2019-11-27 09:48:03,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:03,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:03,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:03,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:03,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:03" (1/1) ... [2019-11-27 09:48:03,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:03" (1/1) ... [2019-11-27 09:48:03,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:03" (1/1) ... [2019-11-27 09:48:03,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:03" (1/1) ... [2019-11-27 09:48:03,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:03" (1/1) ... [2019-11-27 09:48:03,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:03" (1/1) ... [2019-11-27 09:48:03,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:03" (1/1) ... [2019-11-27 09:48:03,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:03,748 INFO L168 Benchmark]: Toolchain (without parser) took 1073.51 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:03,755 INFO L168 Benchmark]: CDTParser took 0.40 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 09:48:03,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 834.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:03,760 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.84 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:03,764 INFO L168 Benchmark]: Boogie Preprocessor took 107.42 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:03,775 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 834.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 997.0 MB in the end (delta: -35.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 122.84 ms. Allocated memory is still 1.0 GB. Free memory is still 997.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 107.42 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.3 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 09:48:07,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:07,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:07,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:07,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:07,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:07,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:07,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:07,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:07,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:07,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:07,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:07,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:07,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:07,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:07,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:07,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:07,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:07,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:07,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:07,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:07,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:07,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:07,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:07,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:07,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:07,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:07,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:07,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:07,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:07,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:07,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:07,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:07,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:07,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:07,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:07,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:07,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:07,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:07,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:07,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:07,808 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:48:07,861 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:07,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:07,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:07,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:07,870 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:07,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:07,871 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:07,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:07,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:07,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:07,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:07,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:07,875 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:48:07,876 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:48:07,876 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:07,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:07,878 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:07,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:07,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:07,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:07,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:07,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:07,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:07,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:07,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:07,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:07,885 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:48:07,885 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:48:07,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:07,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:48:07,888 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 -> cbf38875841624eee0d839935b3b6d34a59b0b20 [2019-11-27 09:48:08,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:08,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:08,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:08,580 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:08,580 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:08,584 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1071.c [2019-11-27 09:48:08,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fde2ab7ef/d70a9d5e4cb641d3bb695e1ed3c7a38b/FLAG7e5f74159 [2019-11-27 09:48:09,759 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:09,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1071.c [2019-11-27 09:48:09,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fde2ab7ef/d70a9d5e4cb641d3bb695e1ed3c7a38b/FLAG7e5f74159 [2019-11-27 09:48:09,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fde2ab7ef/d70a9d5e4cb641d3bb695e1ed3c7a38b [2019-11-27 09:48:09,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:09,829 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:09,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:09,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:09,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:09,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:09" (1/1) ... [2019-11-27 09:48:09,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22abccbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:09, skipping insertion in model container [2019-11-27 09:48:09,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:09" (1/1) ... [2019-11-27 09:48:09,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:09,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:10,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:10,406 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:10,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:10,637 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:10,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:10 WrapperNode [2019-11-27 09:48:10,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:10,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:10,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:10,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:10,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:10" (1/1) ... [2019-11-27 09:48:10,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:10" (1/1) ... [2019-11-27 09:48:10,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:10,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:10,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:10,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:10,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:10" (1/1) ... [2019-11-27 09:48:10,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:10" (1/1) ... [2019-11-27 09:48:10,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:10" (1/1) ... [2019-11-27 09:48:10,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:10" (1/1) ... [2019-11-27 09:48:10,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:10" (1/1) ... [2019-11-27 09:48:10,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:10" (1/1) ... [2019-11-27 09:48:10,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:10" (1/1) ... [2019-11-27 09:48:10,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:10,871 INFO L168 Benchmark]: Toolchain (without parser) took 1038.87 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 991.1 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:10,872 INFO L168 Benchmark]: CDTParser took 0.40 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 09:48:10,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 807.10 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 991.1 MB in the end (delta: -23.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:10,877 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.32 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:10,877 INFO L168 Benchmark]: Boogie Preprocessor took 92.65 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:10,882 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 807.10 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 991.1 MB in the end (delta: -23.7 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 126.32 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 92.65 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...