./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0660b.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_0660b.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 bec24c2acca5f88b688a9290c179c6048b0a58a7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_0660b.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 bec24c2acca5f88b688a9290c179c6048b0a58a7 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:47:21,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:47:21,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:47:21,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:47:21,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:47:21,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:47:21,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:47:21,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:47:21,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:47:21,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:47:21,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:47:21,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:47:21,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:47:21,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:47:21,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:47:21,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:47:21,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:47:21,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:47:21,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:47:21,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:47:21,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:47:21,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:47:21,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:47:21,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:47:21,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:47:21,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:47:21,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:47:21,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:47:21,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:47:21,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:47:21,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:47:21,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:47:21,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:47:21,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:47:21,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:47:21,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:47:21,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:47:21,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:47:21,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:47:21,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:47:21,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:47:21,714 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:47:21,755 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:47:21,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:47:21,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:47:21,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:47:21,765 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:47:21,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:47:21,766 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:47:21,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:47:21,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:47:21,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:47:21,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:47:21,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:47:21,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:47:21,773 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:47:21,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:47:21,773 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:47:21,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:47:21,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:47:21,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:47:21,775 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:47:21,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:47:21,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:47:21,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:47:21,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:47:21,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:47:21,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:47:21,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:47:21,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:47:21,780 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 -> bec24c2acca5f88b688a9290c179c6048b0a58a7 [2019-11-27 09:47:22,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:47:22,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:47:22,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:47:22,376 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:47:22,377 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:47:22,379 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2019-11-27 09:47:22,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85ed0d5eb/ae63e1d077d0402595a274d033976d60/FLAGbc50fdfa7 [2019-11-27 09:47:23,600 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:47:23,606 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2019-11-27 09:47:23,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85ed0d5eb/ae63e1d077d0402595a274d033976d60/FLAGbc50fdfa7 [2019-11-27 09:47:23,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85ed0d5eb/ae63e1d077d0402595a274d033976d60 [2019-11-27 09:47:23,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:47:23,668 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:47:23,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:23,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:47:23,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:47:23,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:23" (1/1) ... [2019-11-27 09:47:23,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55405a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:23, skipping insertion in model container [2019-11-27 09:47:23,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:23" (1/1) ... [2019-11-27 09:47:23,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:47:23,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:47:24,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:24,455 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:47:24,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:24,626 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:47:24,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:24 WrapperNode [2019-11-27 09:47:24,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:24,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:24,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:47:24,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:47:24,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:24" (1/1) ... [2019-11-27 09:47:24,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:24" (1/1) ... [2019-11-27 09:47:24,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:24,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:47:24,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:47:24,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:47:24,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:24" (1/1) ... [2019-11-27 09:47:24,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:24" (1/1) ... [2019-11-27 09:47:24,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:24" (1/1) ... [2019-11-27 09:47:24,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:24" (1/1) ... [2019-11-27 09:47:24,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:24" (1/1) ... [2019-11-27 09:47:24,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:24" (1/1) ... [2019-11-27 09:47:24,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:24" (1/1) ... [2019-11-27 09:47:24,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:47:24,968 INFO L168 Benchmark]: Toolchain (without parser) took 1281.64 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 980.0 MB in the end (delta: -12.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:47:24,970 INFO L168 Benchmark]: CDTParser took 0.42 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 09:47:24,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 951.96 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). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:24,976 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.46 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 09:47:24,977 INFO L168 Benchmark]: Boogie Preprocessor took 151.71 ms. Allocated memory is still 1.0 GB. Free memory was 985.7 MB in the beginning and 980.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:24,989 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 951.96 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). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 164.46 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. * Boogie Preprocessor took 151.71 ms. Allocated memory is still 1.0 GB. Free memory was 985.7 MB in the beginning and 980.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:47:28,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:47:28,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:47:28,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:47:28,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:47:28,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:47:28,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:47:28,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:47:28,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:47:28,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:47:28,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:47:28,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:47:28,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:47:28,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:47:28,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:47:28,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:47:28,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:47:28,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:47:28,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:47:28,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:47:28,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:47:28,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:47:28,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:47:28,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:47:28,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:47:28,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:47:28,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:47:28,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:47:28,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:47:28,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:47:28,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:47:28,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:47:28,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:47:28,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:47:28,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:47:28,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:47:28,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:47:28,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:47:28,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:47:28,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:47:28,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:47:28,983 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:47:29,036 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:47:29,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:47:29,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:47:29,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:47:29,047 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:47:29,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:47:29,048 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:47:29,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:47:29,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:47:29,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:47:29,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:47:29,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:47:29,054 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:47:29,055 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:47:29,056 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:47:29,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:47:29,056 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:47:29,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:47:29,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:47:29,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:47:29,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:47:29,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:47:29,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:47:29,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:47:29,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:47:29,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:47:29,062 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:47:29,063 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:47:29,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:47:29,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:47:29,072 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 -> bec24c2acca5f88b688a9290c179c6048b0a58a7 [2019-11-27 09:47:29,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:47:29,642 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:47:29,652 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:47:29,654 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:47:29,657 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:47:29,658 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2019-11-27 09:47:29,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38d6c66c3/899f4d5e2ea1487e8cf9c9419b5411e7/FLAG24cfe9350 [2019-11-27 09:47:30,954 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:47:30,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0660b.c [2019-11-27 09:47:30,977 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38d6c66c3/899f4d5e2ea1487e8cf9c9419b5411e7/FLAG24cfe9350 [2019-11-27 09:47:31,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38d6c66c3/899f4d5e2ea1487e8cf9c9419b5411e7 [2019-11-27 09:47:31,026 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:47:31,031 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:47:31,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:31,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:47:31,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:47:31,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:31" (1/1) ... [2019-11-27 09:47:31,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d586f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:31, skipping insertion in model container [2019-11-27 09:47:31,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:31" (1/1) ... [2019-11-27 09:47:31,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:47:31,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:47:31,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:31,900 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:47:32,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:32,175 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:47:32,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:32 WrapperNode [2019-11-27 09:47:32,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:32,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:32,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:47:32,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:47:32,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:32" (1/1) ... [2019-11-27 09:47:32,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:32" (1/1) ... [2019-11-27 09:47:32,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:32,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:47:32,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:47:32,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:47:32,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:32" (1/1) ... [2019-11-27 09:47:32,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:32" (1/1) ... [2019-11-27 09:47:32,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:32" (1/1) ... [2019-11-27 09:47:32,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:32" (1/1) ... [2019-11-27 09:47:32,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:32" (1/1) ... [2019-11-27 09:47:32,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:32" (1/1) ... [2019-11-27 09:47:32,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:32" (1/1) ... [2019-11-27 09:47:32,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:47:32,581 INFO L168 Benchmark]: Toolchain (without parser) took 1545.79 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 974.2 MB in the end (delta: -12.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:47:32,583 INFO L168 Benchmark]: CDTParser took 2.37 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 09:47:32,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1143.31 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 980.0 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:32,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 181.42 ms. Allocated memory is still 1.0 GB. Free memory was 980.0 MB in the beginning and 974.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:32,591 INFO L168 Benchmark]: Boogie Preprocessor took 213.68 ms. Allocated memory is still 1.0 GB. Free memory is still 974.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:47:32,602 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.37 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 1143.31 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 980.0 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 181.42 ms. Allocated memory is still 1.0 GB. Free memory was 980.0 MB in the beginning and 974.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 213.68 ms. Allocated memory is still 1.0 GB. Free memory is still 974.2 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...