./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1130a.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_1130a.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 18318d2897bde0142dc4632253da5d46def4ecbb .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_1130a.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 18318d2897bde0142dc4632253da5d46def4ecbb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:09:56,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:56,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:56,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:56,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:56,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:56,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:56,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:56,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:56,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:56,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:56,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:56,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:56,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:56,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:56,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:56,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:56,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:56,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:56,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:56,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:56,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:56,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:56,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:56,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:56,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:56,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:56,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:56,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:56,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:56,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:56,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:56,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:56,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:56,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:56,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:56,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:56,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:56,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:56,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:56,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:56,435 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:09:56,479 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:56,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:56,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:56,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:56,487 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:56,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:56,490 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:56,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:09:56,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:56,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:56,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:56,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:56,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:56,496 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:56,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:56,497 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:56,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:56,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:56,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:56,501 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:56,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:56,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:56,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:56,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:56,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:56,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:09:56,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:09:56,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:56,507 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 -> 18318d2897bde0142dc4632253da5d46def4ecbb [2019-11-27 16:09:57,020 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:57,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:57,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:57,092 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:57,096 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:57,098 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-11-27 16:09:57,267 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26d855d02/c495230f831c493a8e1ef80e31fadb17/FLAG0f626ed7c [2019-11-27 16:09:58,431 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:58,436 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-11-27 16:09:58,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26d855d02/c495230f831c493a8e1ef80e31fadb17/FLAG0f626ed7c [2019-11-27 16:09:58,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26d855d02/c495230f831c493a8e1ef80e31fadb17 [2019-11-27 16:09:58,628 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:58,630 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:58,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:58,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:58,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:58,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:58" (1/1) ... [2019-11-27 16:09:58,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e262158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:58, skipping insertion in model container [2019-11-27 16:09:58,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:58" (1/1) ... [2019-11-27 16:09:58,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:58,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:59,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:59,392 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:59,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:59,551 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:59,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:59 WrapperNode [2019-11-27 16:09:59,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:59,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:59,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:59,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:59,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:59" (1/1) ... [2019-11-27 16:09:59,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:59" (1/1) ... [2019-11-27 16:09:59,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:59,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:59,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:59,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:59,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:59" (1/1) ... [2019-11-27 16:09:59,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:59" (1/1) ... [2019-11-27 16:09:59,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:59" (1/1) ... [2019-11-27 16:09:59,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:59" (1/1) ... [2019-11-27 16:09:59,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:59" (1/1) ... [2019-11-27 16:09:59,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:59" (1/1) ... [2019-11-27 16:09:59,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:59" (1/1) ... [2019-11-27 16:09:59,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:59,872 INFO L168 Benchmark]: Toolchain (without parser) took 1237.90 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 984.4 MB in the end (delta: -22.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:59,874 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:59,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 917.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 990.1 MB in the end (delta: -28.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:59,883 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.46 ms. Allocated memory is still 1.0 GB. Free memory was 990.1 MB in the beginning and 984.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:59,884 INFO L168 Benchmark]: Boogie Preprocessor took 152.20 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:59,898 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 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 917.59 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 990.1 MB in the end (delta: -28.4 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 157.46 ms. Allocated memory is still 1.0 GB. Free memory was 990.1 MB in the beginning and 984.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 152.20 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:10:03,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:03,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:03,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:03,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:03,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:03,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:03,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:03,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:03,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:03,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:03,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:03,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:03,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:03,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:03,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:03,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:03,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:03,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:03,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:03,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:03,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:03,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:03,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:03,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:03,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:03,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:03,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:03,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:03,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:03,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:03,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:03,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:03,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:03,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:03,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:03,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:03,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:03,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:03,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:03,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:03,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:04,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:04,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:04,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:04,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:04,044 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:04,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:04,045 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:04,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:04,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:04,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:04,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:04,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:04,050 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:04,052 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:04,053 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:04,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:04,053 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:04,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:04,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:04,056 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:04,057 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:04,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:04,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:04,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:04,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:04,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:04,061 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:04,062 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:04,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:04,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:04,064 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 -> 18318d2897bde0142dc4632253da5d46def4ecbb [2019-11-27 16:10:04,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:04,620 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:04,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:04,632 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:04,635 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:04,637 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-11-27 16:10:04,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/059aa96aa/1de442bb1ac04ead802b227846d22fff/FLAGb962e29c6 [2019-11-27 16:10:05,933 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:05,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1130a.c [2019-11-27 16:10:05,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/059aa96aa/1de442bb1ac04ead802b227846d22fff/FLAGb962e29c6 [2019-11-27 16:10:05,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/059aa96aa/1de442bb1ac04ead802b227846d22fff [2019-11-27 16:10:06,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:06,015 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:06,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:06,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:06,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:06,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:06" (1/1) ... [2019-11-27 16:10:06,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29108757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:06, skipping insertion in model container [2019-11-27 16:10:06,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:06" (1/1) ... [2019-11-27 16:10:06,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:06,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:06,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:06,826 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:06,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:07,028 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:07,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07 WrapperNode [2019-11-27 16:10:07,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:07,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:07,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:07,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:07,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:07,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:07,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:07,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:07,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:07" (1/1) ... [2019-11-27 16:10:07,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:07,391 INFO L168 Benchmark]: Toolchain (without parser) took 1369.32 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 984.4 MB in the end (delta: -22.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:07,392 INFO L168 Benchmark]: CDTParser took 1.92 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:07,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1010.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:07,402 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.98 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 984.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:07,404 INFO L168 Benchmark]: Boogie Preprocessor took 161.79 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:07,410 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.92 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 1010.86 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 173.98 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 984.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 161.79 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 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...