./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1211b.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_1211b.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 206a1fa9646ae2b913e15c72bee749b0ae7b465a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_1211b.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 206a1fa9646ae2b913e15c72bee749b0ae7b465a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:10:00,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:00,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:00,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:00,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:00,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:00,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:00,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:00,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:00,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:00,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:00,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:00,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:00,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:00,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:00,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:00,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:00,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:00,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:00,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:00,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:00,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:00,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:00,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:00,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:00,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:00,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:00,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:00,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:00,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:00,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:00,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:00,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:00,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:00,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:00,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:00,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:00,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:00,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:00,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:00,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:00,458 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:00,498 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:00,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:00,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:00,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:00,506 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:00,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:00,507 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:00,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:00,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:00,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:00,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:00,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:00,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:00,512 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:00,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:00,516 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:00,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:00,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:00,517 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:00,518 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:00,518 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:00,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:00,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:00,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:00,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:00,521 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:00,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:00,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:00,522 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 -> 206a1fa9646ae2b913e15c72bee749b0ae7b465a [2019-11-27 16:10:01,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:01,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:01,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:01,123 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:01,125 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:01,128 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1211b.c [2019-11-27 16:10:01,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb521e34c/cd99a8f0ef3949a3a659a9b1325df463/FLAG773c6fc51 [2019-11-27 16:10:02,352 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:02,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1211b.c [2019-11-27 16:10:02,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb521e34c/cd99a8f0ef3949a3a659a9b1325df463/FLAG773c6fc51 [2019-11-27 16:10:02,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb521e34c/cd99a8f0ef3949a3a659a9b1325df463 [2019-11-27 16:10:02,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:02,427 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:02,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:02,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:02,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:02,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:02" (1/1) ... [2019-11-27 16:10:02,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a0bf7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:02, skipping insertion in model container [2019-11-27 16:10:02,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:02" (1/1) ... [2019-11-27 16:10:02,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:02,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:03,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:03,187 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:03,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:03,336 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:03,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:03 WrapperNode [2019-11-27 16:10:03,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:03,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:03,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:03,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:03,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:03" (1/1) ... [2019-11-27 16:10:03,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:03" (1/1) ... [2019-11-27 16:10:03,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:03,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:03,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:03,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:03,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:03" (1/1) ... [2019-11-27 16:10:03,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:03" (1/1) ... [2019-11-27 16:10:03,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:03" (1/1) ... [2019-11-27 16:10:03,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:03" (1/1) ... [2019-11-27 16:10:03,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:03" (1/1) ... [2019-11-27 16:10:03,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:03" (1/1) ... [2019-11-27 16:10:03,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:03" (1/1) ... [2019-11-27 16:10:03,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:03,555 INFO L168 Benchmark]: Toolchain (without parser) took 1122.10 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 985.7 MB in the end (delta: -18.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:03,556 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:03,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 909.31 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 991.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:03,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.69 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:03,580 INFO L168 Benchmark]: Boogie Preprocessor took 91.34 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:03,593 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 909.31 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 991.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 106.69 ms. Allocated memory is still 1.0 GB. Free memory is still 991.4 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 91.34 ms. Allocated memory is still 1.0 GB. Free memory was 991.4 MB in the beginning and 985.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:10:07,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:07,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:07,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:07,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:07,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:07,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:07,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:07,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:07,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:07,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:07,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:07,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:07,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:07,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:07,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:07,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:07,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:07,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:07,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:07,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:07,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:07,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:07,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:07,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:07,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:07,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:07,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:07,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:07,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:07,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:07,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:07,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:07,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:07,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:07,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:07,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:07,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:07,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:07,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:07,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:07,603 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:07,642 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:07,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:07,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:07,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:07,650 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:07,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:07,651 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:07,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:07,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:07,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:07,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:07,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:07,656 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:07,657 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:07,659 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:07,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:07,659 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:07,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:07,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:07,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:07,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:07,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:07,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:07,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:07,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:07,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:07,666 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:07,666 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:07,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:07,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:07,670 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 -> 206a1fa9646ae2b913e15c72bee749b0ae7b465a [2019-11-27 16:10:08,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:08,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:08,351 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:08,356 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:08,357 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:08,358 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1211b.c [2019-11-27 16:10:08,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2124ecaa8/0e9a4791cab046df9a970d7380d459b3/FLAGb4b4ce878 [2019-11-27 16:10:09,566 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:09,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1211b.c [2019-11-27 16:10:09,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2124ecaa8/0e9a4791cab046df9a970d7380d459b3/FLAGb4b4ce878 [2019-11-27 16:10:09,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2124ecaa8/0e9a4791cab046df9a970d7380d459b3 [2019-11-27 16:10:09,643 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:09,649 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:09,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:09,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:09,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:09,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:09" (1/1) ... [2019-11-27 16:10:09,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197a930a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:09, skipping insertion in model container [2019-11-27 16:10:09,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:09" (1/1) ... [2019-11-27 16:10:09,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:09,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:10,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:10,304 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:10,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:10,540 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:10,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10 WrapperNode [2019-11-27 16:10:10,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:10,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:10,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:10,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:10,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10" (1/1) ... [2019-11-27 16:10:10,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10" (1/1) ... [2019-11-27 16:10:10,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:10,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:10,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:10,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:10,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10" (1/1) ... [2019-11-27 16:10:10,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10" (1/1) ... [2019-11-27 16:10:10,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10" (1/1) ... [2019-11-27 16:10:10,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10" (1/1) ... [2019-11-27 16:10:10,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10" (1/1) ... [2019-11-27 16:10:10,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10" (1/1) ... [2019-11-27 16:10:10,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:10" (1/1) ... [2019-11-27 16:10:10,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:10,813 INFO L168 Benchmark]: Toolchain (without parser) took 1159.49 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 985.4 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:10,819 INFO L168 Benchmark]: CDTParser took 2.58 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:10,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 891.74 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: -23.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:10,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.04 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 16:10:10,826 INFO L168 Benchmark]: Boogie Preprocessor took 129.18 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:10,840 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.58 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 891.74 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: -23.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 126.04 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 129.18 ms. Allocated memory is still 1.0 GB. Free memory was 991.2 MB in the beginning and 985.4 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...