./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1231b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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/double_req_bl_1231b.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 c714d208cb0b1f96f572e8a6108248eb76c73a94 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/double_req_bl_1231b.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 c714d208cb0b1f96f572e8a6108248eb76c73a94 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:59:43,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:59:43,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:59:43,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:59:43,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:59:43,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:59:43,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:59:43,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:59:43,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:59:43,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:59:43,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:59:43,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:59:43,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:59:43,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:59:43,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:59:43,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:59:43,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:59:43,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:59:43,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:59:43,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:59:43,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:59:43,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:59:43,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:59:43,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:59:43,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:59:43,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:59:43,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:59:43,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:59:43,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:59:43,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:59:43,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:59:43,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:59:43,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:59:43,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:59:43,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:59:43,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:59:43,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:59:43,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:59:43,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:59:43,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:59:43,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:59:43,668 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:59:43,706 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:59:43,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:59:43,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:59:43,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:59:43,715 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:59:43,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:59:43,716 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:59:43,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:59:43,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:59:43,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:59:43,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:59:43,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:59:43,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:59:43,722 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:59:43,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:59:43,724 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:59:43,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:59:43,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:59:43,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:59:43,726 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:59:43,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:59:43,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:59:43,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:59:43,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:59:43,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:59:43,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:59:43,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:59:43,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:59:43,732 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 -> c714d208cb0b1f96f572e8a6108248eb76c73a94 [2019-11-26 16:59:44,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:59:44,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:59:44,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:59:44,297 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:59:44,299 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:59:44,300 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1231b.c [2019-11-26 16:59:44,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/588d94ff3/46ff344583684441b44dd7d97a85d2ea/FLAG4c92399c1 [2019-11-26 16:59:45,453 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:59:45,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1231b.c [2019-11-26 16:59:45,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/588d94ff3/46ff344583684441b44dd7d97a85d2ea/FLAG4c92399c1 [2019-11-26 16:59:45,510 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/588d94ff3/46ff344583684441b44dd7d97a85d2ea [2019-11-26 16:59:45,518 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:59:45,524 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:59:45,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:59:45,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:59:45,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:59:45,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:59:45" (1/1) ... [2019-11-26 16:59:45,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc750d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:45, skipping insertion in model container [2019-11-26 16:59:45,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:59:45" (1/1) ... [2019-11-26 16:59:45,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:59:45,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:59:46,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:59:46,100 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:59:46,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:59:46,290 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:59:46,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:46 WrapperNode [2019-11-26 16:59:46,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:59:46,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:59:46,301 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:59:46,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:59:46,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:46" (1/1) ... [2019-11-26 16:59:46,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:46" (1/1) ... [2019-11-26 16:59:46,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:59:46,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:59:46,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:59:46,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:59:46,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:46" (1/1) ... [2019-11-26 16:59:46,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:46" (1/1) ... [2019-11-26 16:59:46,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:46" (1/1) ... [2019-11-26 16:59:46,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:46" (1/1) ... [2019-11-26 16:59:46,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:46" (1/1) ... [2019-11-26 16:59:46,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:46" (1/1) ... [2019-11-26 16:59:46,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:46" (1/1) ... [2019-11-26 16:59:46,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:59:46,465 INFO L168 Benchmark]: Toolchain (without parser) took 936.83 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 991.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:59:46,480 INFO L168 Benchmark]: CDTParser took 1.45 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. [2019-11-26 16:59:46,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.97 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:59:46,485 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.69 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:59:46,487 INFO L168 Benchmark]: Boogie Preprocessor took 73.43 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:59:46,496 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45 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 766.97 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 991.3 MB in the end (delta: -29.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 84.69 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 73.43 ms. Allocated memory is still 1.0 GB. Free memory is still 991.3 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 0.1.24-025d5a2 [2019-11-26 16:59:50,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:59:50,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:59:50,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:59:50,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:59:50,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:59:50,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:59:50,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:59:50,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:59:50,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:59:50,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:59:50,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:59:50,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:59:50,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:59:50,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:59:50,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:59:50,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:59:50,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:59:50,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:59:50,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:59:50,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:59:50,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:59:50,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:59:50,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:59:50,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:59:50,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:59:50,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:59:50,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:59:50,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:59:50,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:59:50,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:59:50,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:59:50,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:59:50,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:59:50,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:59:50,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:59:50,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:59:50,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:59:50,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:59:50,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:59:50,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:59:50,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:59:50,564 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:59:50,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:59:50,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:59:50,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:59:50,574 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:59:50,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:59:50,575 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:59:50,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:59:50,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:59:50,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:59:50,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:59:50,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:59:50,577 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:59:50,578 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:59:50,578 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:59:50,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:59:50,580 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:59:50,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:59:50,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:59:50,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:59:50,583 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:59:50,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:59:50,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:59:50,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:59:50,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:59:50,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:59:50,586 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:59:50,586 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:59:50,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:59:50,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:59:50,590 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 -> c714d208cb0b1f96f572e8a6108248eb76c73a94 [2019-11-26 16:59:51,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:59:51,153 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:59:51,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:59:51,164 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:59:51,168 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:59:51,170 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1231b.c [2019-11-26 16:59:51,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bef2984da/da75998c3e0345bca89fa8cc534ab31f/FLAG933b5e80f [2019-11-26 16:59:52,353 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:59:52,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1231b.c [2019-11-26 16:59:52,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bef2984da/da75998c3e0345bca89fa8cc534ab31f/FLAG933b5e80f [2019-11-26 16:59:52,408 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bef2984da/da75998c3e0345bca89fa8cc534ab31f [2019-11-26 16:59:52,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:59:52,425 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:59:52,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:59:52,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:59:52,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:59:52,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:59:52" (1/1) ... [2019-11-26 16:59:52,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21baf589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:52, skipping insertion in model container [2019-11-26 16:59:52,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:59:52" (1/1) ... [2019-11-26 16:59:52,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:59:52,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:59:52,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:59:52,979 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:59:53,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:59:53,248 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:59:53,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:53 WrapperNode [2019-11-26 16:59:53,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:59:53,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:59:53,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:59:53,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:59:53,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:53" (1/1) ... [2019-11-26 16:59:53,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:53" (1/1) ... [2019-11-26 16:59:53,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:59:53,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:59:53,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:59:53,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:59:53,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:53" (1/1) ... [2019-11-26 16:59:53,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:53" (1/1) ... [2019-11-26 16:59:53,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:53" (1/1) ... [2019-11-26 16:59:53,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:53" (1/1) ... [2019-11-26 16:59:53,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:53" (1/1) ... [2019-11-26 16:59:53,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:53" (1/1) ... [2019-11-26 16:59:53,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:59:53" (1/1) ... [2019-11-26 16:59:53,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:59:53,541 INFO L168 Benchmark]: Toolchain (without parser) took 1113.03 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 985.5 MB in the end (delta: -23.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:59:53,542 INFO L168 Benchmark]: CDTParser took 0.41 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. [2019-11-26 16:59:53,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.69 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:59:53,550 INFO L168 Benchmark]: Boogie Procedure Inliner took 154.70 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. [2019-11-26 16:59:53,552 INFO L168 Benchmark]: Boogie Preprocessor took 119.71 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. [2019-11-26 16:59:53,561 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 823.69 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 991.2 MB in the end (delta: -29.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 154.70 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 119.71 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...