./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0832a.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_0832a.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 11ee320e5dd60225454ae4b669c3bcedd1b28d2a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_0832a.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 11ee320e5dd60225454ae4b669c3bcedd1b28d2a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:09:25,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:25,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:25,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:25,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:25,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:25,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:25,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:25,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:25,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:25,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:25,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:25,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:25,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:25,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:25,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:25,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:25,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:25,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:25,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:25,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:25,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:25,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:25,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:25,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:25,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:25,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:25,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:25,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:25,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:25,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:25,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:25,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:25,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:25,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:25,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:25,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:25,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:25,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:25,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:25,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:25,426 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:09:25,465 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:25,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:25,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:25,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:25,477 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:25,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:25,478 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:25,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:09:25,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:25,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:25,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:25,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:25,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:25,483 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:25,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:25,486 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:25,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:25,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:25,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:25,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:25,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:25,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:25,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:25,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:25,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:25,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:09:25,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:09:25,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:25,494 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 -> 11ee320e5dd60225454ae4b669c3bcedd1b28d2a [2019-11-27 16:09:26,043 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:26,079 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:26,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:26,090 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:26,093 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:26,095 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0832a.c [2019-11-27 16:09:26,266 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d1088de8/c444364c2d6b44dba0dc7d8064c1f2bf/FLAGada70916a [2019-11-27 16:09:27,402 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:27,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0832a.c [2019-11-27 16:09:27,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d1088de8/c444364c2d6b44dba0dc7d8064c1f2bf/FLAGada70916a [2019-11-27 16:09:27,470 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d1088de8/c444364c2d6b44dba0dc7d8064c1f2bf [2019-11-27 16:09:27,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:27,493 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:27,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:27,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:27,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:27,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:27" (1/1) ... [2019-11-27 16:09:27,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7564c1fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:27, skipping insertion in model container [2019-11-27 16:09:27,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:27" (1/1) ... [2019-11-27 16:09:27,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:27,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:28,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:28,306 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:28,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:28,467 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:28,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28 WrapperNode [2019-11-27 16:09:28,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:28,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:28,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:28,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:28,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28" (1/1) ... [2019-11-27 16:09:28,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28" (1/1) ... [2019-11-27 16:09:28,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:28,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:28,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:28,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:28,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28" (1/1) ... [2019-11-27 16:09:28,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28" (1/1) ... [2019-11-27 16:09:28,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28" (1/1) ... [2019-11-27 16:09:28,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28" (1/1) ... [2019-11-27 16:09:28,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28" (1/1) ... [2019-11-27 16:09:28,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28" (1/1) ... [2019-11-27 16:09:28,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:28" (1/1) ... [2019-11-27 16:09:28,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:28,718 INFO L168 Benchmark]: Toolchain (without parser) took 1226.97 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 980.0 MB in the end (delta: -18.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:28,728 INFO L168 Benchmark]: CDTParser took 4.10 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 16:09:28,731 INFO L168 Benchmark]: CACSL2BoogieTranslator took 985.81 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). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:28,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.53 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 980.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:28,734 INFO L168 Benchmark]: Boogie Preprocessor took 121.74 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:28,747 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.10 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 985.81 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). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 107.53 ms. Allocated memory is still 1.0 GB. Free memory was 985.8 MB in the beginning and 980.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 121.74 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 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 16:09:32,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:09:32,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:09:32,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:09:32,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:09:32,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:09:32,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:09:32,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:09:32,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:09:32,742 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:09:32,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:09:32,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:09:32,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:09:32,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:09:32,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:09:32,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:09:32,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:09:32,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:09:32,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:09:32,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:09:32,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:09:32,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:09:32,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:09:32,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:09:32,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:09:32,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:09:32,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:09:32,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:09:32,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:09:32,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:09:32,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:09:32,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:09:32,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:09:32,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:09:32,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:09:32,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:09:32,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:09:32,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:09:32,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:09:32,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:09:32,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:09:32,846 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:09:32,885 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:09:32,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:09:32,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:09:32,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:09:32,894 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:09:32,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:09:32,895 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:09:32,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:09:32,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:09:32,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:09:32,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:09:32,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:09:32,900 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:09:32,900 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:09:32,900 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:09:32,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:09:32,903 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:09:32,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:09:32,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:09:32,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:09:32,904 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:09:32,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:09:32,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:09:32,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:09:32,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:09:32,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:09:32,908 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:09:32,909 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:09:32,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:09:32,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:09:32,914 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 -> 11ee320e5dd60225454ae4b669c3bcedd1b28d2a [2019-11-27 16:09:33,479 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:09:33,509 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:09:33,516 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:09:33,521 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:09:33,524 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:09:33,526 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0832a.c [2019-11-27 16:09:33,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b29550fc4/909d091887684b1c9ffe52ba55fedbf7/FLAGb05164a70 [2019-11-27 16:09:34,853 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:09:34,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0832a.c [2019-11-27 16:09:34,879 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b29550fc4/909d091887684b1c9ffe52ba55fedbf7/FLAGb05164a70 [2019-11-27 16:09:34,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b29550fc4/909d091887684b1c9ffe52ba55fedbf7 [2019-11-27 16:09:34,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:09:34,933 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:09:34,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:34,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:09:34,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:09:34,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:34" (1/1) ... [2019-11-27 16:09:34,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d97587c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:34, skipping insertion in model container [2019-11-27 16:09:34,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:09:34" (1/1) ... [2019-11-27 16:09:34,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:09:35,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:09:35,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:35,754 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:09:35,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:09:35,988 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:09:35,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35 WrapperNode [2019-11-27 16:09:35,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:09:36,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:36,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:09:36,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:09:36,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35" (1/1) ... [2019-11-27 16:09:36,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35" (1/1) ... [2019-11-27 16:09:36,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:09:36,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:09:36,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:09:36,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:09:36,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35" (1/1) ... [2019-11-27 16:09:36,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35" (1/1) ... [2019-11-27 16:09:36,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35" (1/1) ... [2019-11-27 16:09:36,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35" (1/1) ... [2019-11-27 16:09:36,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35" (1/1) ... [2019-11-27 16:09:36,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35" (1/1) ... [2019-11-27 16:09:36,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:09:35" (1/1) ... [2019-11-27 16:09:36,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:09:36,356 INFO L168 Benchmark]: Toolchain (without parser) took 1415.45 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 984.3 MB in the end (delta: -22.6 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:09:36,357 INFO L168 Benchmark]: CDTParser took 0.38 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 16:09:36,359 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1054.87 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 990.0 MB in the end (delta: -28.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:09:36,365 INFO L168 Benchmark]: Boogie Procedure Inliner took 180.41 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 16:09:36,366 INFO L168 Benchmark]: Boogie Preprocessor took 159.04 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 16:09:36,376 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 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1054.87 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 990.0 MB in the end (delta: -28.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 180.41 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 159.04 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...