./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0831.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/float-newlib/float_req_bl_0831.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 14218179970cdda4c2f749c75b7f78aa74dcc86b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0831.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 14218179970cdda4c2f749c75b7f78aa74dcc86b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:09:24,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:24,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:24,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:24,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:24,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:24,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:24,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:24,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:24,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:24,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:24,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:24,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:24,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:24,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:24,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:24,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:24,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:24,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:24,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:24,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:24,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:24,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:24,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:24,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:24,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:24,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:24,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:24,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:24,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:24,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:24,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:24,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:24,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:24,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:24,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:24,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:24,803 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:24,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:24,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:24,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:24,815 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:09:24,854 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:24,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:24,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:24,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:24,862 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:24,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:24,864 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:24,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:09:24,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:24,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:24,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:24,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:24,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:24,870 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:24,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:24,871 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:24,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:24,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:24,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:24,874 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:24,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:24,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:24,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:24,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:24,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:24,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:09:24,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:09:24,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:24,880 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 -> 14218179970cdda4c2f749c75b7f78aa74dcc86b [2019-11-27 16:09:25,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:25,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:25,434 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:25,436 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:25,441 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:25,442 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0831.c [2019-11-27 16:09:25,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/457251aef/9c4b2fc8d9074376bd0a73667dddb300/FLAGcf6864a49 [2019-11-27 16:09:26,717 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:26,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0831.c [2019-11-27 16:09:26,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/457251aef/9c4b2fc8d9074376bd0a73667dddb300/FLAGcf6864a49 [2019-11-27 16:09:26,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/457251aef/9c4b2fc8d9074376bd0a73667dddb300 [2019-11-27 16:09:26,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:26,800 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:26,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:26,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:26,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:26,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:26" (1/1) ... [2019-11-27 16:09:26,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44b10529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:26, skipping insertion in model container [2019-11-27 16:09:26,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:26" (1/1) ... [2019-11-27 16:09:26,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:26,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:27,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:27,549 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:27,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:27,707 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:27,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:27 WrapperNode [2019-11-27 16:09:27,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:27,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:27,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:27,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:27,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:27" (1/1) ... [2019-11-27 16:09:27,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:27" (1/1) ... [2019-11-27 16:09:27,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:27,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:27,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:27,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:27,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:27" (1/1) ... [2019-11-27 16:09:27,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:27" (1/1) ... [2019-11-27 16:09:27,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:27" (1/1) ... [2019-11-27 16:09:27,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:27" (1/1) ... [2019-11-27 16:09:27,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:27" (1/1) ... [2019-11-27 16:09:27,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:27" (1/1) ... [2019-11-27 16:09:27,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:27" (1/1) ... [2019-11-27 16:09:27,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:27,959 INFO L168 Benchmark]: Toolchain (without parser) took 1155.03 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 984.3 MB in the end (delta: -22.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:27,965 INFO L168 Benchmark]: CDTParser took 0.55 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 16:09:27,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 905.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:27,970 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.01 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:27,973 INFO L168 Benchmark]: Boogie Preprocessor took 117.97 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 984.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:27,985 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 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 905.10 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 122.01 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 117.97 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 984.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 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 16:09:31,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:31,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:31,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:31,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:31,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:31,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:31,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:31,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:31,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:31,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:31,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:31,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:31,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:31,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:31,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:31,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:31,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:31,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:31,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:31,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:31,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:31,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:31,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:31,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:31,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:31,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:31,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:31,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:31,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:31,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:31,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:31,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:31,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:31,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:31,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:31,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:31,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:31,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:32,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:32,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:32,009 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:09:32,051 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:32,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:32,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:32,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:32,057 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:32,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:32,060 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:32,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:32,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:32,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:32,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:32,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:32,063 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:09:32,064 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:09:32,066 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:32,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:32,066 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:32,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:32,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:32,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:32,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:32,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:32,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:32,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:32,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:32,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:32,072 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:09:32,072 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:09:32,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:32,074 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:09:32,075 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 -> 14218179970cdda4c2f749c75b7f78aa74dcc86b [2019-11-27 16:09:32,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:32,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:32,732 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:32,736 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:32,739 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:32,741 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0831.c [2019-11-27 16:09:32,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9248f1f8b/af1b63e380504758998e8ea78b5eed03/FLAGd8cff512c [2019-11-27 16:09:33,988 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:33,991 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0831.c [2019-11-27 16:09:34,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9248f1f8b/af1b63e380504758998e8ea78b5eed03/FLAGd8cff512c [2019-11-27 16:09:34,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9248f1f8b/af1b63e380504758998e8ea78b5eed03 [2019-11-27 16:09:34,059 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:34,065 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:34,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:34,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:34,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:34,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:34" (1/1) ... [2019-11-27 16:09:34,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d97587c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:34, skipping insertion in model container [2019-11-27 16:09:34,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:34" (1/1) ... [2019-11-27 16:09:34,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:34,177 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:34,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:34,889 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:35,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:35,111 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:35,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35 WrapperNode [2019-11-27 16:09:35,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:35,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:35,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:35,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:35,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35" (1/1) ... [2019-11-27 16:09:35,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35" (1/1) ... [2019-11-27 16:09:35,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:35,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:35,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:35,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:35,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35" (1/1) ... [2019-11-27 16:09:35,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35" (1/1) ... [2019-11-27 16:09:35,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35" (1/1) ... [2019-11-27 16:09:35,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35" (1/1) ... [2019-11-27 16:09:35,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35" (1/1) ... [2019-11-27 16:09:35,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35" (1/1) ... [2019-11-27 16:09:35,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35" (1/1) ... [2019-11-27 16:09:35,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:35,390 INFO L168 Benchmark]: Toolchain (without parser) took 1317.88 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 985.7 MB in the end (delta: -18.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:35,390 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 16:09:35,392 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1043.80 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 991.5 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:35,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.18 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:35,397 INFO L168 Benchmark]: Boogie Preprocessor took 142.85 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:35,404 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 1043.80 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 991.5 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 116.18 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 142.85 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 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...