./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1270c.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_1270c.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 fce8eaffc8fbce8eaab4a2e551ea29a4fcef0871 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_1270c.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 fce8eaffc8fbce8eaab4a2e551ea29a4fcef0871 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:10:04,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:04,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:04,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:04,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:04,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:04,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:04,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:04,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:04,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:04,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:04,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:04,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:04,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:04,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:04,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:04,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:04,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:04,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:04,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:04,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:04,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:04,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:04,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:04,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:04,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:04,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:04,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:04,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:04,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:04,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:04,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:04,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:04,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:04,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:04,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:04,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:04,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:04,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:04,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:04,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:04,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:04,762 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:04,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:04,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:04,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:04,773 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:04,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:04,774 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:04,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:04,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:04,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:04,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:04,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:04,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:04,778 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:04,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:04,779 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:04,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:04,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:04,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:04,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:04,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:04,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:04,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:04,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:04,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:04,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:04,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:04,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:04,786 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 -> fce8eaffc8fbce8eaab4a2e551ea29a4fcef0871 [2019-11-27 16:10:05,302 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:05,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:05,342 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:05,346 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:05,346 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:05,349 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1270c.c [2019-11-27 16:10:05,508 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3137c86ea/21f3d05227b647f496d20ada835b1bbc/FLAGe11fc443b [2019-11-27 16:10:06,611 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:06,613 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1270c.c [2019-11-27 16:10:06,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3137c86ea/21f3d05227b647f496d20ada835b1bbc/FLAGe11fc443b [2019-11-27 16:10:06,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3137c86ea/21f3d05227b647f496d20ada835b1bbc [2019-11-27 16:10:06,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:06,689 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:06,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:06,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:06,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:06,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:06" (1/1) ... [2019-11-27 16:10:06,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c7cbcc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:06, skipping insertion in model container [2019-11-27 16:10:06,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:06" (1/1) ... [2019-11-27 16:10:06,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:06,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:07,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:07,519 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:07,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:07,764 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:07,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07 WrapperNode [2019-11-27 16:10:07,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:07,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:07,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:07,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:07,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:07,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:07,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:07,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:07,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:08,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:08,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:08,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:08,087 INFO L168 Benchmark]: Toolchain (without parser) took 1391.65 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 980.1 MB in the end (delta: -18.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:08,089 INFO L168 Benchmark]: CDTParser took 0.42 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 16:10:08,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1073.02 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 985.8 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:08,095 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.80 ms. Allocated memory is still 1.0 GB. Free memory is still 985.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:08,096 INFO L168 Benchmark]: Boogie Preprocessor took 157.82 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 980.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:08,109 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 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 1073.02 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 985.8 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 143.80 ms. Allocated memory is still 1.0 GB. Free memory is still 985.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 157.82 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 980.1 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 0.1.24-509859d [2019-11-27 16:10:11,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:11,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:12,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:12,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:12,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:12,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:12,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:12,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:12,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:12,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:12,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:12,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:12,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:12,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:12,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:12,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:12,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:12,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:12,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:12,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:12,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:12,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:12,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:12,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:12,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:12,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:12,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:12,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:12,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:12,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:12,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:12,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:12,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:12,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:12,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:12,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:12,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:12,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:12,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:12,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:12,153 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:12,196 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:12,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:12,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:12,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:12,202 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:12,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:12,203 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:12,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:12,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:12,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:12,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:12,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:12,208 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:12,209 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:12,209 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:12,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:12,211 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:12,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:12,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:12,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:12,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:12,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:12,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:12,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:12,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:12,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:12,217 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:12,217 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:12,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:12,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:12,219 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 -> fce8eaffc8fbce8eaab4a2e551ea29a4fcef0871 [2019-11-27 16:10:12,740 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:12,768 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:12,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:12,779 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:12,782 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:12,784 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1270c.c [2019-11-27 16:10:12,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04dbed3ad/61f0c1f9b1494d319dd01123c4e3e848/FLAG689fce768 [2019-11-27 16:10:13,992 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:14,000 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1270c.c [2019-11-27 16:10:14,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04dbed3ad/61f0c1f9b1494d319dd01123c4e3e848/FLAG689fce768 [2019-11-27 16:10:14,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04dbed3ad/61f0c1f9b1494d319dd01123c4e3e848 [2019-11-27 16:10:14,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:14,140 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:14,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:14,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:14,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:14,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:14" (1/1) ... [2019-11-27 16:10:14,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25af3bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:14, skipping insertion in model container [2019-11-27 16:10:14,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:14" (1/1) ... [2019-11-27 16:10:14,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:14,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:15,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:15,043 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:15,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:15,278 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:15,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15 WrapperNode [2019-11-27 16:10:15,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:15,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:15,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:15,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:15,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:15,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:15,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:15,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:15,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:15,623 INFO L168 Benchmark]: Toolchain (without parser) took 1482.23 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 978.5 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:15,624 INFO L168 Benchmark]: CDTParser took 0.44 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 16:10:15,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1138.05 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 989.9 MB in the end (delta: -28.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:15,639 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.72 ms. Allocated memory is still 1.0 GB. Free memory was 989.9 MB in the beginning and 984.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:15,640 INFO L168 Benchmark]: Boogie Preprocessor took 175.03 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:15,647 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 1138.05 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 989.9 MB in the end (delta: -28.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 157.72 ms. Allocated memory is still 1.0 GB. Free memory was 989.9 MB in the beginning and 984.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 175.03 ms. Allocated memory is still 1.0 GB. Free memory was 984.2 MB in the beginning and 978.5 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...