./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0681b.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_0681b.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 e44540fb45c3e973e92240537908eaa3d281c084 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_0681b.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 e44540fb45c3e973e92240537908eaa3d281c084 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:09:17,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:17,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:17,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:17,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:17,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:17,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:17,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:17,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:17,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:17,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:17,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:17,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:17,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:17,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:17,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:17,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:17,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:17,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:17,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:17,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:17,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:17,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:17,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:17,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:17,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:17,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:17,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:17,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:17,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:17,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:17,283 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:17,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:17,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:17,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:17,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:17,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:17,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:17,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:17,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:17,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:17,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:09:17,339 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:17,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:17,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:17,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:17,348 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:17,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:17,351 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:17,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:09:17,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:17,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:17,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:17,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:17,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:17,357 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:17,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:17,357 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:17,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:17,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:17,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:17,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:17,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:17,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:17,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:17,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:17,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:17,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:09:17,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:09:17,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:17,367 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 -> e44540fb45c3e973e92240537908eaa3d281c084 [2019-11-27 16:09:17,965 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:17,996 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:18,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:18,009 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:18,010 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:18,013 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0681b.c [2019-11-27 16:09:18,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3402e1678/c1488cb36b7e474c8a30ec5b7217ed6a/FLAGab632009e [2019-11-27 16:09:19,317 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:19,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0681b.c [2019-11-27 16:09:19,347 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3402e1678/c1488cb36b7e474c8a30ec5b7217ed6a/FLAGab632009e [2019-11-27 16:09:19,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3402e1678/c1488cb36b7e474c8a30ec5b7217ed6a [2019-11-27 16:09:19,394 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:19,399 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:19,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:19,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:19,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:19,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:19" (1/1) ... [2019-11-27 16:09:19,422 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 27.11 04:09:19, skipping insertion in model container [2019-11-27 16:09:19,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:19" (1/1) ... [2019-11-27 16:09:19,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:19,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:20,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:20,276 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:20,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:20,500 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:20,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:20 WrapperNode [2019-11-27 16:09:20,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:20,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:20,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:20,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:20,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:20" (1/1) ... [2019-11-27 16:09:20,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:20" (1/1) ... [2019-11-27 16:09:20,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:20,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:20,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:20,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:20,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:20" (1/1) ... [2019-11-27 16:09:20,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:20" (1/1) ... [2019-11-27 16:09:20,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:20" (1/1) ... [2019-11-27 16:09:20,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:20" (1/1) ... [2019-11-27 16:09:20,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:20" (1/1) ... [2019-11-27 16:09:20,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:20" (1/1) ... [2019-11-27 16:09:20,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:20" (1/1) ... [2019-11-27 16:09:20,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:20,844 INFO L168 Benchmark]: Toolchain (without parser) took 1439.43 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 974.2 MB in the end (delta: -6.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:20,848 INFO L168 Benchmark]: CDTParser took 0.36 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 16:09:20,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1099.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 980.0 MB in the end (delta: -12.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:20,854 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.85 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. [2019-11-27 16:09:20,855 INFO L168 Benchmark]: Boogie Preprocessor took 175.67 ms. Allocated memory is still 1.0 GB. Free memory was 980.0 MB in the beginning and 974.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:20,867 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 1099.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 980.0 MB in the end (delta: -12.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 155.85 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 175.67 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 0.1.24-509859d [2019-11-27 16:09:24,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:24,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:24,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:24,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:24,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:24,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:24,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:24,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:24,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:24,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:24,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:24,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:24,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:24,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:24,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:24,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:24,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:24,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:24,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:24,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:24,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:24,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:24,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:24,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:24,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:24,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:24,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:24,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:24,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:24,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:24,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:24,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:24,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:24,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:24,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:24,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:24,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:24,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:24,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:24,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:24,994 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:09:25,041 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:25,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:25,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:25,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:25,052 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:25,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:25,053 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:25,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:25,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:25,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:25,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:25,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:25,058 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:09:25,059 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:09:25,059 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:25,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:25,059 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:25,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:25,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:25,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:25,062 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:25,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:25,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:25,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:25,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:25,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:25,067 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:09:25,067 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:09:25,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:25,068 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:09:25,069 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 -> e44540fb45c3e973e92240537908eaa3d281c084 [2019-11-27 16:09:25,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:25,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:25,691 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:25,693 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:25,697 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:25,699 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0681b.c [2019-11-27 16:09:25,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d69ea1f77/afd02f521e4444f29072c3cd3f5348b3/FLAG8de1e4b23 [2019-11-27 16:09:26,958 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:26,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0681b.c [2019-11-27 16:09:26,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d69ea1f77/afd02f521e4444f29072c3cd3f5348b3/FLAG8de1e4b23 [2019-11-27 16:09:27,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d69ea1f77/afd02f521e4444f29072c3cd3f5348b3 [2019-11-27 16:09:27,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:27,075 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:27,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:27,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:27,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:27,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:27" (1/1) ... [2019-11-27 16:09:27,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ade38da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:27, skipping insertion in model container [2019-11-27 16:09:27,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:27" (1/1) ... [2019-11-27 16:09:27,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:27,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:27,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:27,965 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:28,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:28,256 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:28,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28 WrapperNode [2019-11-27 16:09:28,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:28,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:28,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:28,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:28,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28" (1/1) ... [2019-11-27 16:09:28,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28" (1/1) ... [2019-11-27 16:09:28,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:28,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:28,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:28,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:28,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28" (1/1) ... [2019-11-27 16:09:28,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28" (1/1) ... [2019-11-27 16:09:28,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28" (1/1) ... [2019-11-27 16:09:28,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28" (1/1) ... [2019-11-27 16:09:28,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28" (1/1) ... [2019-11-27 16:09:28,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28" (1/1) ... [2019-11-27 16:09:28,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28" (1/1) ... [2019-11-27 16:09:28,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:28,641 INFO L168 Benchmark]: Toolchain (without parser) took 1565.26 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.5 MB in the beginning and 978.5 MB in the end (delta: -14.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:28,644 INFO L168 Benchmark]: CDTParser took 0.37 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 16:09:28,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1179.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.5 MB in the beginning and 984.3 MB in the end (delta: -19.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:28,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 169.39 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:28,654 INFO L168 Benchmark]: Boogie Preprocessor took 200.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:28,663 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 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 1179.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 964.5 MB in the beginning and 984.3 MB in the end (delta: -19.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 169.39 ms. Allocated memory is still 1.0 GB. Free memory was 984.3 MB in the beginning and 978.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 200.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 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...