./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0832b.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_0832b.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 4c9cffacfd3e6caa748d273206d3a84e636fe987 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_0832b.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 4c9cffacfd3e6caa748d273206d3a84e636fe987 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:09:27,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:27,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:27,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:27,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:27,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:27,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:27,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:27,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:27,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:27,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:27,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:27,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:27,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:27,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:27,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:27,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:27,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:27,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:27,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:27,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:27,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:27,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:27,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:27,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:27,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:27,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:27,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:27,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:27,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:27,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:27,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:27,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:27,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:27,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:27,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:27,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:27,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:27,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:27,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:27,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:27,781 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:09:27,832 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:27,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:27,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:27,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:27,843 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:27,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:27,846 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:27,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:09:27,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:27,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:27,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:27,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:27,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:27,848 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:27,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:27,850 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:27,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:27,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:27,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:27,852 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:27,853 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:27,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:27,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:27,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:27,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:27,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:09:27,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:09:27,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:27,859 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 -> 4c9cffacfd3e6caa748d273206d3a84e636fe987 [2019-11-27 16:09:28,475 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:28,509 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:28,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:28,520 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:28,521 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:28,524 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0832b.c [2019-11-27 16:09:28,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f589d5583/31e9277755da4af2a38d298b03393e6d/FLAG66477c86a [2019-11-27 16:09:29,740 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:29,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0832b.c [2019-11-27 16:09:29,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f589d5583/31e9277755da4af2a38d298b03393e6d/FLAG66477c86a [2019-11-27 16:09:29,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f589d5583/31e9277755da4af2a38d298b03393e6d [2019-11-27 16:09:29,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:29,811 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:29,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:29,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:29,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:29,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:29" (1/1) ... [2019-11-27 16:09:29,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7564c1fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:29, skipping insertion in model container [2019-11-27 16:09:29,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:29" (1/1) ... [2019-11-27 16:09:29,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:29,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:30,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:30,587 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:30,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:30,755 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:30,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:30 WrapperNode [2019-11-27 16:09:30,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:30,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:30,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:30,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:30,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:30" (1/1) ... [2019-11-27 16:09:30,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:30" (1/1) ... [2019-11-27 16:09:30,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:30,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:30,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:30,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:30,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:30" (1/1) ... [2019-11-27 16:09:30,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:30" (1/1) ... [2019-11-27 16:09:30,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:30" (1/1) ... [2019-11-27 16:09:30,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:30" (1/1) ... [2019-11-27 16:09:30,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:30" (1/1) ... [2019-11-27 16:09:30,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:30" (1/1) ... [2019-11-27 16:09:30,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:30" (1/1) ... [2019-11-27 16:09:30,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:31,007 INFO L168 Benchmark]: Toolchain (without parser) took 1195.98 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 985.8 MB in the end (delta: -18.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:31,009 INFO L168 Benchmark]: CDTParser took 0.43 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 16:09:31,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 942.00 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: -24.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:31,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.13 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 16:09:31,017 INFO L168 Benchmark]: Boogie Preprocessor took 131.05 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 16:09:31,028 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 942.00 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: -24.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 99.13 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 131.05 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. 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 16:09:34,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:34,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:34,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:34,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:34,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:34,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:34,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:34,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:34,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:34,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:34,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:34,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:34,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:34,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:34,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:34,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:34,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:34,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:34,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:34,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:34,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:34,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:34,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:34,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:34,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:34,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:34,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:34,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:34,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:34,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:34,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:34,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:34,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:34,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:34,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:34,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:34,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:34,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:34,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:34,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:34,928 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:09:34,967 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:34,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:34,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:34,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:34,973 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:34,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:34,973 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:34,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:34,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:34,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:34,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:34,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:34,978 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:09:34,979 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:09:34,981 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:34,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:34,981 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:34,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:34,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:34,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:34,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:34,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:34,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:34,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:34,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:34,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:34,986 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:09:34,989 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:09:34,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:34,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:09:34,991 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 -> 4c9cffacfd3e6caa748d273206d3a84e636fe987 [2019-11-27 16:09:35,568 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:35,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:35,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:35,608 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:35,608 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:35,610 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0832b.c [2019-11-27 16:09:35,765 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c01638b48/dba2a008f86f447ebbe6fe34077eb4a5/FLAGcd9fa57a5 [2019-11-27 16:09:36,807 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:36,811 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0832b.c [2019-11-27 16:09:36,828 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c01638b48/dba2a008f86f447ebbe6fe34077eb4a5/FLAGcd9fa57a5 [2019-11-27 16:09:36,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c01638b48/dba2a008f86f447ebbe6fe34077eb4a5 [2019-11-27 16:09:36,875 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:36,878 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:36,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:36,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:36,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:36,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:36" (1/1) ... [2019-11-27 16:09:36,903 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 04:09:36, skipping insertion in model container [2019-11-27 16:09:36,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:36" (1/1) ... [2019-11-27 16:09:36,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:36,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:37,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:37,708 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:37,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:37,883 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:37,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:37 WrapperNode [2019-11-27 16:09:37,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:37,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:37,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:37,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:37,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:37" (1/1) ... [2019-11-27 16:09:37,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:37" (1/1) ... [2019-11-27 16:09:38,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:38,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:38,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:38,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:38,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:37" (1/1) ... [2019-11-27 16:09:38,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:37" (1/1) ... [2019-11-27 16:09:38,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:37" (1/1) ... [2019-11-27 16:09:38,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:37" (1/1) ... [2019-11-27 16:09:38,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:37" (1/1) ... [2019-11-27 16:09:38,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:37" (1/1) ... [2019-11-27 16:09:38,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:37" (1/1) ... [2019-11-27 16:09:38,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:38,151 INFO L168 Benchmark]: Toolchain (without parser) took 1265.06 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 985.7 MB in the end (delta: -24.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:38,152 INFO L168 Benchmark]: CDTParser took 1.97 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 16:09:38,153 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1002.47 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 991.4 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:38,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.49 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 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 16:09:38,156 INFO L168 Benchmark]: Boogie Preprocessor took 130.54 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 16:09:38,170 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.97 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 1002.47 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 991.4 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 117.49 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 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 130.54 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...