./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0250b.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_0250b.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 4dddb731074a9a249891d6adbc7c778d25efe28d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_0250b.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 4dddb731074a9a249891d6adbc7c778d25efe28d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:47:07,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:47:07,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:47:07,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:47:07,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:47:07,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:47:07,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:47:07,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:47:07,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:47:07,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:47:07,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:47:07,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:47:07,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:47:07,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:47:07,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:47:07,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:47:07,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:47:07,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:47:07,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:47:07,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:47:07,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:47:07,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:47:07,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:47:07,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:47:07,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:47:07,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:47:07,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:47:07,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:47:07,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:47:07,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:47:07,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:47:07,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:47:07,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:47:07,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:47:07,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:47:07,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:47:07,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:47:07,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:47:07,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:47:07,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:47:07,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:47:07,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:47:07,329 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:47:07,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:47:07,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:47:07,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:47:07,337 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:47:07,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:47:07,338 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:47:07,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:47:07,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:47:07,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:47:07,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:47:07,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:47:07,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:47:07,345 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:47:07,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:47:07,345 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:47:07,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:47:07,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:47:07,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:47:07,349 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:47:07,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:47:07,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:47:07,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:47:07,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:47:07,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:47:07,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:47:07,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:47:07,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:47:07,355 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 -> 4dddb731074a9a249891d6adbc7c778d25efe28d [2019-11-27 09:47:07,953 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:47:07,984 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:47:07,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:47:07,994 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:47:07,995 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:47:07,996 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2019-11-27 09:47:08,097 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91cf3a712/07e14a305d9c457d88ecc8c6424960df/FLAG347c101ca [2019-11-27 09:47:09,147 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:47:09,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2019-11-27 09:47:09,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91cf3a712/07e14a305d9c457d88ecc8c6424960df/FLAG347c101ca [2019-11-27 09:47:09,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91cf3a712/07e14a305d9c457d88ecc8c6424960df [2019-11-27 09:47:09,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:47:09,295 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:47:09,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:09,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:47:09,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:47:09,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:09" (1/1) ... [2019-11-27 09:47:09,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd4a022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:09, skipping insertion in model container [2019-11-27 09:47:09,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:09" (1/1) ... [2019-11-27 09:47:09,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:47:09,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:47:09,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:10,011 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:47:10,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:10,311 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:47:10,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:10 WrapperNode [2019-11-27 09:47:10,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:10,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:10,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:47:10,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:47:10,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:10" (1/1) ... [2019-11-27 09:47:10,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:10" (1/1) ... [2019-11-27 09:47:10,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:10,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:47:10,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:47:10,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:47:10,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:10" (1/1) ... [2019-11-27 09:47:10,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:10" (1/1) ... [2019-11-27 09:47:10,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:10" (1/1) ... [2019-11-27 09:47:10,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:10" (1/1) ... [2019-11-27 09:47:10,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:10" (1/1) ... [2019-11-27 09:47:10,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:10" (1/1) ... [2019-11-27 09:47:10,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:10" (1/1) ... [2019-11-27 09:47:10,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:47:10,580 INFO L168 Benchmark]: Toolchain (without parser) took 1281.10 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 984.0 MB in the end (delta: -16.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:47:10,583 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:47:10,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1012.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:10,603 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.82 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 984.0 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:10,604 INFO L168 Benchmark]: Boogie Preprocessor took 108.26 ms. Allocated memory is still 1.0 GB. Free memory is still 984.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:47:10,617 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 1012.94 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 991.2 MB in the end (delta: -23.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 144.82 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 984.0 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 108.26 ms. Allocated memory is still 1.0 GB. Free memory is still 984.0 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 09:47:14,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:47:14,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:47:14,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:47:14,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:47:14,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:47:14,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:47:14,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:47:14,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:47:14,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:47:14,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:47:14,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:47:14,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:47:14,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:47:14,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:47:14,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:47:14,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:47:14,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:47:14,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:47:14,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:47:14,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:47:14,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:47:14,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:47:14,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:47:14,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:47:14,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:47:14,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:47:14,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:47:14,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:47:14,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:47:14,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:47:14,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:47:14,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:47:14,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:47:14,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:47:14,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:47:14,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:47:14,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:47:14,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:47:14,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:47:14,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:47:14,775 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:47:14,817 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:47:14,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:47:14,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:47:14,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:47:14,824 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:47:14,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:47:14,825 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:47:14,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:47:14,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:47:14,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:47:14,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:47:14,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:47:14,829 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:47:14,830 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:47:14,831 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:47:14,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:47:14,831 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:47:14,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:47:14,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:47:14,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:47:14,835 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:47:14,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:47:14,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:47:14,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:47:14,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:47:14,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:47:14,839 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:47:14,840 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:47:14,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:47:14,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:47:14,842 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 -> 4dddb731074a9a249891d6adbc7c778d25efe28d [2019-11-27 09:47:15,432 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:47:15,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:47:15,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:47:15,475 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:47:15,478 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:47:15,480 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2019-11-27 09:47:15,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a758fc8f3/5aeefda479844b959830aa7b2dc19474/FLAG96c119f6c [2019-11-27 09:47:16,783 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:47:16,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0250b.c [2019-11-27 09:47:16,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a758fc8f3/5aeefda479844b959830aa7b2dc19474/FLAG96c119f6c [2019-11-27 09:47:16,853 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a758fc8f3/5aeefda479844b959830aa7b2dc19474 [2019-11-27 09:47:16,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:47:16,872 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:47:16,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:16,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:47:16,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:47:16,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:16" (1/1) ... [2019-11-27 09:47:16,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13fc762e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:16, skipping insertion in model container [2019-11-27 09:47:16,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:47:16" (1/1) ... [2019-11-27 09:47:16,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:47:16,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:47:17,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:17,713 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:47:17,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:47:17,981 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:47:17,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:17 WrapperNode [2019-11-27 09:47:17,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:47:17,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:17,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:47:17,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:47:18,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:17" (1/1) ... [2019-11-27 09:47:18,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:17" (1/1) ... [2019-11-27 09:47:18,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:47:18,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:47:18,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:47:18,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:47:18,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:17" (1/1) ... [2019-11-27 09:47:18,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:17" (1/1) ... [2019-11-27 09:47:18,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:17" (1/1) ... [2019-11-27 09:47:18,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:17" (1/1) ... [2019-11-27 09:47:18,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:17" (1/1) ... [2019-11-27 09:47:18,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:17" (1/1) ... [2019-11-27 09:47:18,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:47:17" (1/1) ... [2019-11-27 09:47:18,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:47:18,319 INFO L168 Benchmark]: Toolchain (without parser) took 1446.35 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 978.4 MB in the end (delta: -11.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:47:18,321 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:47:18,326 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1114.15 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 984.1 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:18,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 177.00 ms. Allocated memory is still 1.0 GB. Free memory is still 984.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:47:18,328 INFO L168 Benchmark]: Boogie Preprocessor took 145.46 ms. Allocated memory is still 1.0 GB. Free memory was 984.1 MB in the beginning and 978.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:47:18,342 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 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1114.15 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 984.1 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 177.00 ms. Allocated memory is still 1.0 GB. Free memory is still 984.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 145.46 ms. Allocated memory is still 1.0 GB. Free memory was 984.1 MB in the beginning and 978.4 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...