./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1121a.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_1121a.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 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_1121a.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 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 16:09:54,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:54,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:54,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:54,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:54,300 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:54,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:54,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:54,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:54,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:54,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:54,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:54,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:54,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:54,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:54,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:54,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:54,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:54,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:54,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:54,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:54,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:54,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:54,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:54,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:54,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:54,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:54,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:54,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:54,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:54,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:54,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:54,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:54,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:54,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:54,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:54,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:54,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:54,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:54,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:54,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:54,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:09:54,492 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:54,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:54,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:54,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:54,501 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:54,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:54,502 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:54,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:09:54,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:54,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:54,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:54,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:54,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:54,509 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:54,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:54,510 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:54,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:54,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:54,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:54,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:54,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:54,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:54,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:54,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:54,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:54,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:09:54,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:09:54,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:54,517 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 -> 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb [2019-11-27 16:09:55,051 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:55,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:55,089 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:55,092 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:55,096 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:55,098 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2019-11-27 16:09:55,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12aca7580/33f23cffe5c547beb18478758646f810/FLAG0aebf71a0 [2019-11-27 16:09:56,325 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:56,328 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2019-11-27 16:09:56,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12aca7580/33f23cffe5c547beb18478758646f810/FLAG0aebf71a0 [2019-11-27 16:09:56,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12aca7580/33f23cffe5c547beb18478758646f810 [2019-11-27 16:09:56,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:56,395 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:56,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:56,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:56,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:56,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:56" (1/1) ... [2019-11-27 16:09:56,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c48e8ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:56, skipping insertion in model container [2019-11-27 16:09:56,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:56" (1/1) ... [2019-11-27 16:09:56,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:56,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:57,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:57,165 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:57,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:57,342 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:57,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57 WrapperNode [2019-11-27 16:09:57,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:57,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:57,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:57,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:57,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:57,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:57,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:57,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:57,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:57,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:57,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:57,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:57,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:57,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:57,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:57,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:57,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:57" (1/1) ... [2019-11-27 16:09:57,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:57,578 INFO L168 Benchmark]: Toolchain (without parser) took 1182.76 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 985.8 MB in the end (delta: -24.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:57,585 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:57,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 948.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:57,595 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.10 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 16:09:57,596 INFO L168 Benchmark]: Boogie Preprocessor took 107.65 ms. Allocated memory is still 1.0 GB. Free memory is still 985.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:57,606 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 948.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 991.5 MB in the end (delta: -29.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 114.10 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. * Boogie Preprocessor took 107.65 ms. Allocated memory is still 1.0 GB. Free memory is still 985.8 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:10:01,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:01,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:01,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:01,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:01,481 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:01,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:01,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:01,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:01,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:01,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:01,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:01,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:01,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:01,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:01,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:01,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:01,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:01,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:01,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:01,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:01,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:01,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:01,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:01,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:01,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:01,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:01,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:01,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:01,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:01,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:01,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:01,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:01,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:01,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:01,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:01,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:01,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:01,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:01,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:01,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:01,630 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:01,672 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:01,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:01,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:01,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:01,680 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:01,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:01,681 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:01,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:01,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:01,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:01,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:01,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:01,686 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:01,688 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:01,688 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:01,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:01,689 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:01,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:01,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:01,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:01,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:01,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:01,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:01,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:01,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:01,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:01,695 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:01,696 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:01,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:01,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:01,699 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 -> 7d19ae2d93dd4f9ccec1d28558a563787c68b3eb [2019-11-27 16:10:02,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:02,300 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:02,307 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:02,311 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:02,313 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:02,315 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2019-11-27 16:10:02,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8528216d9/f3446afcf893466db9c65d9d44549a7e/FLAG23b1ce643 [2019-11-27 16:10:03,568 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:03,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2019-11-27 16:10:03,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8528216d9/f3446afcf893466db9c65d9d44549a7e/FLAG23b1ce643 [2019-11-27 16:10:03,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8528216d9/f3446afcf893466db9c65d9d44549a7e [2019-11-27 16:10:03,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:03,716 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:03,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:03,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:03,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:03,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:03" (1/1) ... [2019-11-27 16:10:03,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7547f8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:03, skipping insertion in model container [2019-11-27 16:10:03,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:03" (1/1) ... [2019-11-27 16:10:03,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:03,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:04,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:04,503 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:04,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:04,698 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:04,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:04 WrapperNode [2019-11-27 16:10:04,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:04,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:04,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:04,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:04,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:04" (1/1) ... [2019-11-27 16:10:04,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:04" (1/1) ... [2019-11-27 16:10:04,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:04,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:04,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:04,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:04,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:04" (1/1) ... [2019-11-27 16:10:04,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:04" (1/1) ... [2019-11-27 16:10:04,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:04" (1/1) ... [2019-11-27 16:10:04,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:04" (1/1) ... [2019-11-27 16:10:04,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:04" (1/1) ... [2019-11-27 16:10:04,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:04" (1/1) ... [2019-11-27 16:10:04,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:04" (1/1) ... [2019-11-27 16:10:04,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:04,942 INFO L168 Benchmark]: Toolchain (without parser) took 1223.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 984.4 MB in the end (delta: -18.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:04,947 INFO L168 Benchmark]: CDTParser took 2.89 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 16:10:04,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 977.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.5 MB in the end (delta: -25.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:04,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.03 ms. Allocated memory is still 1.0 GB. Free memory was 990.1 MB in the beginning and 984.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:04,957 INFO L168 Benchmark]: Boogie Preprocessor took 128.11 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:04,963 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.89 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 977.39 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 991.5 MB in the end (delta: -25.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 101.03 ms. Allocated memory is still 1.0 GB. Free memory was 990.1 MB in the beginning and 984.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 128.11 ms. Allocated memory is still 1.0 GB. Free memory is still 984.4 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...