./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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_0684b.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 257f0fae8650c1e4803d7d611e8fd1306d4688fe .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_0684b.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 257f0fae8650c1e4803d7d611e8fd1306d4688fe .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:00:15,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:15,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:15,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:15,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:15,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:15,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:15,319 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:15,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:15,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:15,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:15,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:15,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:15,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:15,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:15,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:15,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:15,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:15,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:15,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:15,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:15,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:15,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:15,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:15,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:15,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:15,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:15,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:15,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:15,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:15,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:15,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:15,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:15,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:15,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:15,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:15,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:15,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:15,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:15,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:15,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:15,441 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:00:15,482 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:15,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:15,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:15,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:15,492 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:15,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:15,493 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:15,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:00:15,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:15,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:15,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:15,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:15,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:15,498 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:15,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:15,499 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:15,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:15,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:15,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:15,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:15,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:15,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:15,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:15,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:15,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:15,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:00:15,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:00:15,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:15,508 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 -> 257f0fae8650c1e4803d7d611e8fd1306d4688fe [2019-11-26 17:00:16,034 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:16,065 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:16,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:16,078 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:16,082 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:16,084 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2019-11-26 17:00:16,247 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f69f975bb/c8d6270e51f94ce3b733939b07b448d6/FLAGc21d4c8e7 [2019-11-26 17:00:17,402 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:17,403 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2019-11-26 17:00:17,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f69f975bb/c8d6270e51f94ce3b733939b07b448d6/FLAGc21d4c8e7 [2019-11-26 17:00:17,471 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f69f975bb/c8d6270e51f94ce3b733939b07b448d6 [2019-11-26 17:00:17,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:17,482 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:17,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:17,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:17,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:17,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:17" (1/1) ... [2019-11-26 17:00:17,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39391bc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:17, skipping insertion in model container [2019-11-26 17:00:17,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:17" (1/1) ... [2019-11-26 17:00:17,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:17,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:18,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:18,348 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:18,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:18,556 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:18,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18 WrapperNode [2019-11-26 17:00:18,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:18,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:18,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:18,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:18,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18" (1/1) ... [2019-11-26 17:00:18,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18" (1/1) ... [2019-11-26 17:00:18,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:18,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:18,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:18,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:18,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18" (1/1) ... [2019-11-26 17:00:18,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18" (1/1) ... [2019-11-26 17:00:18,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18" (1/1) ... [2019-11-26 17:00:18,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18" (1/1) ... [2019-11-26 17:00:18,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18" (1/1) ... [2019-11-26 17:00:18,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18" (1/1) ... [2019-11-26 17:00:18,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:18" (1/1) ... [2019-11-26 17:00:18,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:18,935 INFO L168 Benchmark]: Toolchain (without parser) took 1449.21 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: -12.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:18,940 INFO L168 Benchmark]: CDTParser took 0.62 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. [2019-11-26 17:00:18,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1078.12 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 20.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:18,946 INFO L168 Benchmark]: Boogie Procedure Inliner took 194.30 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:00:18,949 INFO L168 Benchmark]: Boogie Preprocessor took 167.42 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. [2019-11-26 17:00:18,956 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 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 1078.12 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 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 194.30 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 167.42 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. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:00:22,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:00:22,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:00:22,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:00:22,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:00:22,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:00:22,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:00:22,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:00:22,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:00:22,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:00:22,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:00:22,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:00:22,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:00:22,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:00:22,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:00:22,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:00:22,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:00:22,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:00:22,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:00:22,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:00:22,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:00:22,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:00:22,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:00:22,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:00:22,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:00:22,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:00:22,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:00:22,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:00:22,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:00:22,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:00:22,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:00:22,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:00:22,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:00:22,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:00:22,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:00:22,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:00:22,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:00:22,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:00:22,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:00:22,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:00:22,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:00:22,978 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:00:23,023 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:00:23,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:00:23,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:00:23,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:00:23,031 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:00:23,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:00:23,032 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:00:23,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:00:23,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:00:23,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:00:23,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:00:23,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:00:23,037 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:00:23,037 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:00:23,040 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:00:23,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:00:23,041 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:00:23,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:00:23,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:00:23,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:00:23,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:00:23,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:00:23,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:00:23,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:00:23,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:00:23,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:00:23,046 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:00:23,046 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:00:23,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:00:23,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:00:23,048 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 -> 257f0fae8650c1e4803d7d611e8fd1306d4688fe [2019-11-26 17:00:23,643 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:00:23,672 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:00:23,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:00:23,685 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:00:23,685 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:00:23,687 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2019-11-26 17:00:23,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5571ecc2/a5f0829b4286482e94c48fc024d364d6/FLAG97762758a [2019-11-26 17:00:25,003 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:00:25,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0684b.c [2019-11-26 17:00:25,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5571ecc2/a5f0829b4286482e94c48fc024d364d6/FLAG97762758a [2019-11-26 17:00:25,075 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5571ecc2/a5f0829b4286482e94c48fc024d364d6 [2019-11-26 17:00:25,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:00:25,095 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:00:25,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:25,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:00:25,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:00:25,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:25" (1/1) ... [2019-11-26 17:00:25,120 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 26.11 05:00:25, skipping insertion in model container [2019-11-26 17:00:25,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:00:25" (1/1) ... [2019-11-26 17:00:25,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:00:25,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:00:25,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:26,019 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 17:00:26,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 17:00:26,309 INFO L208 MainTranslator]: Completed translation [2019-11-26 17:00:26,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:26 WrapperNode [2019-11-26 17:00:26,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:00:26,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:26,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 17:00:26,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 17:00:26,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:26" (1/1) ... [2019-11-26 17:00:26,394 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:26" (1/1) ... [2019-11-26 17:00:26,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 17:00:26,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 17:00:26,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 17:00:26,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 17:00:26,560 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:26" (1/1) ... [2019-11-26 17:00:26,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:26" (1/1) ... [2019-11-26 17:00:26,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:26" (1/1) ... [2019-11-26 17:00:26,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:26" (1/1) ... [2019-11-26 17:00:26,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:26" (1/1) ... [2019-11-26 17:00:26,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:26" (1/1) ... [2019-11-26 17:00:26,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:00:26" (1/1) ... [2019-11-26 17:00:26,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 17:00:26,765 INFO L168 Benchmark]: Toolchain (without parser) took 1667.19 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. [2019-11-26 17:00:26,767 INFO L168 Benchmark]: CDTParser took 1.82 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. [2019-11-26 17:00:26,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1213.45 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 979.9 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:00:26,772 INFO L168 Benchmark]: Boogie Procedure Inliner took 215.44 ms. Allocated memory is still 1.0 GB. Free memory was 979.9 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. [2019-11-26 17:00:26,774 INFO L168 Benchmark]: Boogie Preprocessor took 231.68 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. [2019-11-26 17:00:26,782 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.82 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 1213.45 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 979.9 MB in the end (delta: -18.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 215.44 ms. Allocated memory is still 1.0 GB. Free memory was 979.9 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 231.68 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...