./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0931.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_0931.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 d2f16ecfa870c96b6993f19e89d203c20f11280a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_0931.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 d2f16ecfa870c96b6993f19e89d203c20f11280a .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:09:38,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:38,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:38,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:38,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:38,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:38,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:38,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:38,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:38,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:38,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:38,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:38,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:38,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:38,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:38,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:38,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:38,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:38,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:38,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:38,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:38,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:38,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:38,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:38,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:38,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:38,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:38,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:38,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:38,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:38,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:38,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:38,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:38,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:38,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:38,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:38,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:38,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:38,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:38,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:38,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:38,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:09:38,451 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:38,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:38,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:38,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:38,457 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:38,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:38,457 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:38,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:09:38,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:38,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:38,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:38,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:38,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:38,462 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:38,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:38,463 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:38,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:38,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:38,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:38,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:38,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:38,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:38,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:38,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:38,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:38,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:09:38,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:09:38,467 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:38,467 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 -> d2f16ecfa870c96b6993f19e89d203c20f11280a [2019-11-27 16:09:38,992 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:39,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:39,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:39,029 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:39,032 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:39,033 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0931.c [2019-11-27 16:09:39,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc0ee835/baca93c27e324017bb76296ba8f2fa5f/FLAGa52ffad01 [2019-11-27 16:09:40,250 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:40,253 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0931.c [2019-11-27 16:09:40,272 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc0ee835/baca93c27e324017bb76296ba8f2fa5f/FLAGa52ffad01 [2019-11-27 16:09:40,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cc0ee835/baca93c27e324017bb76296ba8f2fa5f [2019-11-27 16:09:40,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:40,525 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:40,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:40,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:40,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:40,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:40" (1/1) ... [2019-11-27 16:09:40,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f65d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:40, skipping insertion in model container [2019-11-27 16:09:40,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:40" (1/1) ... [2019-11-27 16:09:40,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:40,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:41,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:41,239 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:41,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:41,406 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:41,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:41 WrapperNode [2019-11-27 16:09:41,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:41,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:41,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:41,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:41,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:41" (1/1) ... [2019-11-27 16:09:41,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:41" (1/1) ... [2019-11-27 16:09:41,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:41,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:41,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:41,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:41,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:41" (1/1) ... [2019-11-27 16:09:41,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:41" (1/1) ... [2019-11-27 16:09:41,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:41" (1/1) ... [2019-11-27 16:09:41,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:41" (1/1) ... [2019-11-27 16:09:41,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:41" (1/1) ... [2019-11-27 16:09:41,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:41" (1/1) ... [2019-11-27 16:09:41,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:41" (1/1) ... [2019-11-27 16:09:41,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:41,604 INFO L168 Benchmark]: Toolchain (without parser) took 1077.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 984.3 MB in the end (delta: -24.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:41,606 INFO L168 Benchmark]: CDTParser took 0.34 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 16:09:41,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 879.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.5 MB in the end (delta: -31.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:41,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.86 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:41,628 INFO L168 Benchmark]: Boogie Preprocessor took 88.79 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 984.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:41,637 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 879.92 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 991.5 MB in the end (delta: -31.2 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 98.86 ms. Allocated memory is still 1.0 GB. Free memory is still 991.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 88.79 ms. Allocated memory is still 1.0 GB. Free memory was 991.5 MB in the beginning and 984.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 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 16:09:45,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:45,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:45,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:45,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:45,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:45,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:45,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:45,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:45,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:45,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:45,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:45,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:45,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:45,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:45,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:45,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:45,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:45,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:45,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:45,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:45,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:45,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:45,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:45,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:45,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:45,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:45,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:45,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:45,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:45,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:45,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:45,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:45,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:45,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:45,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:45,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:45,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:45,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:45,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:45,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:45,614 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:09:45,652 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:45,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:45,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:45,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:45,661 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:45,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:45,661 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:45,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:45,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:45,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:45,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:45,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:45,667 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:09:45,668 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:09:45,668 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:45,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:45,669 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:45,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:45,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:45,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:45,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:45,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:45,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:45,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:45,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:45,674 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:45,674 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:09:45,674 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:09:45,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:45,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:09:45,678 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 -> d2f16ecfa870c96b6993f19e89d203c20f11280a [2019-11-27 16:09:46,234 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:46,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:46,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:46,271 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:46,274 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:46,276 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0931.c [2019-11-27 16:09:46,430 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed4ae9da2/09c0b20c244b4077ae76665536eb4ef8/FLAG51cc37cd9 [2019-11-27 16:09:47,465 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:47,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0931.c [2019-11-27 16:09:47,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed4ae9da2/09c0b20c244b4077ae76665536eb4ef8/FLAG51cc37cd9 [2019-11-27 16:09:47,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed4ae9da2/09c0b20c244b4077ae76665536eb4ef8 [2019-11-27 16:09:47,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:47,724 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:47,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:47,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:47,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:47,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:47" (1/1) ... [2019-11-27 16:09:47,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6cee0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:47, skipping insertion in model container [2019-11-27 16:09:47,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:47" (1/1) ... [2019-11-27 16:09:47,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:47,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:48,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:48,492 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:48,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:48,711 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:48,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:48 WrapperNode [2019-11-27 16:09:48,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:48,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:48,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:48,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:48,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:48" (1/1) ... [2019-11-27 16:09:48,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:48" (1/1) ... [2019-11-27 16:09:48,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:48,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:48,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:48,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:48,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:48" (1/1) ... [2019-11-27 16:09:48,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:48" (1/1) ... [2019-11-27 16:09:48,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:48" (1/1) ... [2019-11-27 16:09:48,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:48" (1/1) ... [2019-11-27 16:09:48,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:48" (1/1) ... [2019-11-27 16:09:48,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:48" (1/1) ... [2019-11-27 16:09:48,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:48" (1/1) ... [2019-11-27 16:09:48,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:48,983 INFO L168 Benchmark]: Toolchain (without parser) took 1256.14 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 984.3 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:48,990 INFO L168 Benchmark]: CDTParser took 0.38 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 16:09:48,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 985.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 990.0 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:48,995 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.37 ms. Allocated memory is still 1.0 GB. Free memory was 990.0 MB in the beginning and 984.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:48,998 INFO L168 Benchmark]: Boogie Preprocessor took 130.01 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:49,008 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 985.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 990.0 MB in the end (delta: -22.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 134.37 ms. Allocated memory is still 1.0 GB. Free memory was 990.0 MB in the beginning and 984.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 130.01 ms. Allocated memory is still 1.0 GB. Free memory is still 984.3 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...