./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1092c.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_1092c.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 515d13351b6efee56e7d1331680e6aaafc770d9e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_1092c.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 515d13351b6efee56e7d1331680e6aaafc770d9e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:48:04,286 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:04,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:04,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:04,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:04,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:04,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:04,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:04,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:04,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:04,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:04,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:04,386 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:04,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:04,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:04,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:04,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:04,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:04,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:04,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:04,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:04,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:04,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:04,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:04,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:04,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:04,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:04,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:04,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:04,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:04,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:04,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:04,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:04,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:04,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:04,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:04,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:04,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:04,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:04,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:04,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:04,476 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:48:04,516 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:04,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:04,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:04,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:04,523 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:04,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:04,526 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:04,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:48:04,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:04,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:04,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:04,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:04,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:04,529 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:04,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:04,531 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:04,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:04,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:04,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:04,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:04,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:04,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:04,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:04,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:04,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:04,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:48:04,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:48:04,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:04,539 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 -> 515d13351b6efee56e7d1331680e6aaafc770d9e [2019-11-27 09:48:05,143 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:05,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:05,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:05,184 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:05,184 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:05,186 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1092c.c [2019-11-27 09:48:05,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f0262803/938142a6add4405eb4222074f6ecfda5/FLAG96eab3357 [2019-11-27 09:48:06,446 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:06,449 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1092c.c [2019-11-27 09:48:06,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f0262803/938142a6add4405eb4222074f6ecfda5/FLAG96eab3357 [2019-11-27 09:48:06,694 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f0262803/938142a6add4405eb4222074f6ecfda5 [2019-11-27 09:48:06,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:06,706 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:06,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:06,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:06,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:06,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:06" (1/1) ... [2019-11-27 09:48:06,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59644eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:06, skipping insertion in model container [2019-11-27 09:48:06,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:06" (1/1) ... [2019-11-27 09:48:06,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:06,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:07,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:07,251 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:07,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:07,432 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:07,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:07 WrapperNode [2019-11-27 09:48:07,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:07,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:07,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:07,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:07,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:07" (1/1) ... [2019-11-27 09:48:07,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:07" (1/1) ... [2019-11-27 09:48:07,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:07,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:07,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:07,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:07,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:07" (1/1) ... [2019-11-27 09:48:07,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:07" (1/1) ... [2019-11-27 09:48:07,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:07" (1/1) ... [2019-11-27 09:48:07,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:07" (1/1) ... [2019-11-27 09:48:07,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:07" (1/1) ... [2019-11-27 09:48:07,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:07" (1/1) ... [2019-11-27 09:48:07,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:07" (1/1) ... [2019-11-27 09:48:07,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:07,636 INFO L168 Benchmark]: Toolchain (without parser) took 931.24 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 985.8 MB in the end (delta: -18.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:07,639 INFO L168 Benchmark]: CDTParser took 3.60 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 09:48:07,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.22 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 991.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:07,658 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.95 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:07,660 INFO L168 Benchmark]: Boogie Preprocessor took 75.42 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:07,668 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.60 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 725.22 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 991.5 MB in the end (delta: -24.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 111.95 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 75.42 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 985.8 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-da95e15 [2019-11-27 09:48:11,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:11,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:11,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:11,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:11,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:11,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:11,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:11,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:11,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:11,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:11,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:11,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:11,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:11,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:11,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:11,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:11,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:11,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:11,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:11,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:11,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:11,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:11,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:11,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:11,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:11,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:11,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:11,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:11,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:11,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:11,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:11,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:11,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:11,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:11,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:11,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:11,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:11,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:11,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:11,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:11,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:48:11,716 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:11,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:11,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:11,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:11,722 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:11,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:11,723 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:11,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:11,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:11,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:11,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:11,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:11,729 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:48:11,729 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:48:11,730 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:11,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:11,730 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:11,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:11,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:11,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:11,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:11,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:11,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:11,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:11,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:11,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:11,736 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:48:11,736 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:48:11,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:11,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:48:11,741 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 -> 515d13351b6efee56e7d1331680e6aaafc770d9e [2019-11-27 09:48:12,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:12,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:12,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:12,427 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:12,428 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:12,430 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1092c.c [2019-11-27 09:48:12,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2b96bee8/1440874ed33f4d8aa3b426725e1a7299/FLAGc01f31150 [2019-11-27 09:48:13,559 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:13,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1092c.c [2019-11-27 09:48:13,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2b96bee8/1440874ed33f4d8aa3b426725e1a7299/FLAGc01f31150 [2019-11-27 09:48:13,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2b96bee8/1440874ed33f4d8aa3b426725e1a7299 [2019-11-27 09:48:13,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:13,751 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:13,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:13,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:13,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:13,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:13" (1/1) ... [2019-11-27 09:48:13,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5336134e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:13, skipping insertion in model container [2019-11-27 09:48:13,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:13" (1/1) ... [2019-11-27 09:48:13,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:13,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:14,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:14,348 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:14,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:14,589 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:14,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:14 WrapperNode [2019-11-27 09:48:14,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:14,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:14,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:14,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:14,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:14" (1/1) ... [2019-11-27 09:48:14,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:14" (1/1) ... [2019-11-27 09:48:14,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:14,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:14,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:14,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:14,740 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:14" (1/1) ... [2019-11-27 09:48:14,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:14" (1/1) ... [2019-11-27 09:48:14,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:14" (1/1) ... [2019-11-27 09:48:14,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:14" (1/1) ... [2019-11-27 09:48:14,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:14" (1/1) ... [2019-11-27 09:48:14,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:14" (1/1) ... [2019-11-27 09:48:14,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:14" (1/1) ... [2019-11-27 09:48:14,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:14,836 INFO L168 Benchmark]: Toolchain (without parser) took 1079.51 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 985.5 MB in the end (delta: -18.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:14,841 INFO L168 Benchmark]: CDTParser took 1.79 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 09:48:14,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 832.62 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 09:48:14,845 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.88 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:14,850 INFO L168 Benchmark]: Boogie Preprocessor took 98.78 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:14,867 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.79 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 832.62 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 134.88 ms. Allocated memory is still 1.0 GB. Free memory is still 991.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 98.78 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.5 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...