./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1251.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_1251.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 df3954142d6b55c98b13b60b9fbaf053d4d402ff ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_1251.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 df3954142d6b55c98b13b60b9fbaf053d4d402ff .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:48:13,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:13,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:13,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:13,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:13,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:13,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:13,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:13,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:13,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:13,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:13,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:13,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:13,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:13,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:13,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:13,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:13,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:13,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:13,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:13,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:13,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:13,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:13,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:13,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:13,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:13,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:13,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:13,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:13,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:13,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:13,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:13,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:13,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:13,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:13,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:13,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:13,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:13,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:13,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:13,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:13,850 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:48:13,890 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:13,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:13,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:13,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:13,897 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:13,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:13,899 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:13,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:48:13,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:13,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:13,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:13,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:13,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:13,905 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:13,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:13,905 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:13,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:13,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:13,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:13,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:13,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:13,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:13,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:13,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:13,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:13,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:48:13,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:48:13,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:13,914 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 -> df3954142d6b55c98b13b60b9fbaf053d4d402ff [2019-11-27 09:48:14,506 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:14,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:14,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:14,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:14,555 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:14,557 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1251.c [2019-11-27 09:48:14,723 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d60ea6e2/9e18ff462aa34c9e89dfeb25541ffa49/FLAG4733961a3 [2019-11-27 09:48:15,783 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:15,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1251.c [2019-11-27 09:48:15,807 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d60ea6e2/9e18ff462aa34c9e89dfeb25541ffa49/FLAG4733961a3 [2019-11-27 09:48:15,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d60ea6e2/9e18ff462aa34c9e89dfeb25541ffa49 [2019-11-27 09:48:15,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:15,855 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:15,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:15,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:15,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:15,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:15" (1/1) ... [2019-11-27 09:48:15,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c001282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:15, skipping insertion in model container [2019-11-27 09:48:15,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:15" (1/1) ... [2019-11-27 09:48:15,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:15,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:16,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:16,464 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:16,568 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:16,638 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:16,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:16 WrapperNode [2019-11-27 09:48:16,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:16,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:16,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:16,646 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:16,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:16" (1/1) ... [2019-11-27 09:48:16,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:16" (1/1) ... [2019-11-27 09:48:16,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:16,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:16,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:16,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:16,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:16" (1/1) ... [2019-11-27 09:48:16,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:16" (1/1) ... [2019-11-27 09:48:16,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:16" (1/1) ... [2019-11-27 09:48:16,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:16" (1/1) ... [2019-11-27 09:48:16,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:16" (1/1) ... [2019-11-27 09:48:16,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:16" (1/1) ... [2019-11-27 09:48:16,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:16" (1/1) ... [2019-11-27 09:48:16,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:16,878 INFO L168 Benchmark]: Toolchain (without parser) took 1017.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.2 MB in the end (delta: -31.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:16,885 INFO L168 Benchmark]: CDTParser took 2.94 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 09:48:16,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 997.0 MB in the end (delta: -36.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:16,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.32 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:16,897 INFO L168 Benchmark]: Boogie Preprocessor took 103.03 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:16,902 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.94 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 785.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 997.0 MB in the end (delta: -36.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 120.32 ms. Allocated memory is still 1.0 GB. Free memory was 997.0 MB in the beginning and 991.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 103.03 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:48:20,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:20,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:20,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:20,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:20,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:20,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:20,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:20,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:20,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:20,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:20,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:20,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:20,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:20,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:20,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:20,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:20,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:20,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:20,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:20,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:20,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:20,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:20,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:20,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:20,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:20,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:20,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:20,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:20,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:20,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:20,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:20,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:20,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:20,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:20,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:20,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:20,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:20,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:20,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:20,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:20,907 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:48:20,956 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:20,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:20,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:20,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:20,969 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:20,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:20,970 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:20,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:20,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:20,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:20,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:20,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:20,975 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:48:20,976 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:48:20,976 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:20,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:20,977 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:20,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:20,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:20,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:20,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:20,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:20,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:20,984 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:20,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:20,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:20,985 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:48:20,985 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:48:20,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:20,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:48:20,987 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 -> df3954142d6b55c98b13b60b9fbaf053d4d402ff [2019-11-27 09:48:21,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:21,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:21,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:21,542 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:21,544 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:21,547 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1251.c [2019-11-27 09:48:21,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c174e1022/d6d571b36eaa432fbe1436c36d565bd6/FLAG5ea4064f5 [2019-11-27 09:48:22,785 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:22,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1251.c [2019-11-27 09:48:22,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c174e1022/d6d571b36eaa432fbe1436c36d565bd6/FLAG5ea4064f5 [2019-11-27 09:48:22,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c174e1022/d6d571b36eaa432fbe1436c36d565bd6 [2019-11-27 09:48:22,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:22,855 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:22,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:22,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:22,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:22,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:22" (1/1) ... [2019-11-27 09:48:22,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c99d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:22, skipping insertion in model container [2019-11-27 09:48:22,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:22" (1/1) ... [2019-11-27 09:48:22,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:22,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:23,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:23,468 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:23,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:23,667 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:23,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:23 WrapperNode [2019-11-27 09:48:23,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:23,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:23,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:23,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:23,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:23" (1/1) ... [2019-11-27 09:48:23,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:23" (1/1) ... [2019-11-27 09:48:23,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:23,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:23,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:23,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:23,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:23" (1/1) ... [2019-11-27 09:48:23,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:23" (1/1) ... [2019-11-27 09:48:23,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:23" (1/1) ... [2019-11-27 09:48:23,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:23" (1/1) ... [2019-11-27 09:48:23,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:23" (1/1) ... [2019-11-27 09:48:23,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:23" (1/1) ... [2019-11-27 09:48:23,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:23" (1/1) ... [2019-11-27 09:48:23,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:23,942 INFO L168 Benchmark]: Toolchain (without parser) took 1082.78 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 985.4 MB in the end (delta: -23.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:23,945 INFO L168 Benchmark]: CDTParser took 0.39 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 09:48:23,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 807.59 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 991.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:23,951 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.80 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:23,953 INFO L168 Benchmark]: Boogie Preprocessor took 110.85 ms. Allocated memory is still 1.0 GB. Free memory was 991.1 MB in the beginning and 985.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:23,975 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 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 807.59 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 991.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 133.80 ms. Allocated memory is still 1.0 GB. Free memory is still 991.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 110.85 ms. Allocated memory is still 1.0 GB. Free memory was 991.1 MB in the beginning and 985.4 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...