./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float_lib2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 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/floats-cbmc-regression/float_lib2.i -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 579faea91306b70f4f1704c1b6463ea271867143 ................................................................................................................................................................ 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/floats-cbmc-regression/float_lib2.i -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 579faea91306b70f4f1704c1b6463ea271867143 ........................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:09:01,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:09:01,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:09:01,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:09:01,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:09:01,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:09:01,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:09:01,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:09:01,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:09:01,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:09:01,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:09:01,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:09:01,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:09:01,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:09:01,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:09:01,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:09:01,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:09:01,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:09:01,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:09:01,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:09:01,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:09:01,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:09:01,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:09:01,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:09:01,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:09:01,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:09:01,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:09:01,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:09:01,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:09:01,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:09:01,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:09:01,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:09:01,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:09:01,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:09:01,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:09:01,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:09:01,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:09:01,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:09:01,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:09:01,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:09:01,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:09:01,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:09:01,342 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:09:01,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:09:01,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:09:01,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:09:01,346 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:09:01,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:09:01,346 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:09:01,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:09:01,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:09:01,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:09:01,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:09:01,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:09:01,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:09:01,349 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:09:01,349 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:09:01,350 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:09:01,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:09:01,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:09:01,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:09:01,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:09:01,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:09:01,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:09:01,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:09:01,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:09:01,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:09:01,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:09:01,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:09:01,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:09:01,354 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 -> 579faea91306b70f4f1704c1b6463ea271867143 [2019-11-19 21:09:01,675 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:09:01,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:09:01,697 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:09:01,700 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:09:01,700 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:09:01,701 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float_lib2.i [2019-11-19 21:09:01,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3592d5144/a75db234c1d8456ab64eb27cfe98b1a3/FLAGb890fd2b1 [2019-11-19 21:09:02,356 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:09:02,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float_lib2.i [2019-11-19 21:09:02,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3592d5144/a75db234c1d8456ab64eb27cfe98b1a3/FLAGb890fd2b1 [2019-11-19 21:09:02,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3592d5144/a75db234c1d8456ab64eb27cfe98b1a3 [2019-11-19 21:09:02,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:09:02,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:09:02,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:09:02,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:09:02,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:09:02,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:09:02" (1/1) ... [2019-11-19 21:09:02,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b71211d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:02, skipping insertion in model container [2019-11-19 21:09:02,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:09:02" (1/1) ... [2019-11-19 21:09:02,718 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:09:02,764 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:09:03,313 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1644) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1262) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:941) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2226) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:666) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2226) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2226) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1424) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:906) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2176) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-19 21:09:03,326 INFO L168 Benchmark]: Toolchain (without parser) took 624.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:09:03,327 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:09:03,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-19 21:09:03,332 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 621.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-19 21:09:05,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:09:05,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:09:05,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:09:05,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:09:05,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:09:05,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:09:05,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:09:05,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:09:05,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:09:05,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:09:05,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:09:05,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:09:05,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:09:05,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:09:05,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:09:05,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:09:05,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:09:05,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:09:05,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:09:05,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:09:05,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:09:05,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:09:05,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:09:05,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:09:05,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:09:05,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:09:05,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:09:05,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:09:05,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:09:05,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:09:05,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:09:05,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:09:05,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:09:05,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:09:05,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:09:05,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:09:05,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:09:05,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:09:05,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:09:05,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:09:05,201 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-19 21:09:05,221 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:09:05,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:09:05,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:09:05,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:09:05,225 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:09:05,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:09:05,226 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:09:05,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:09:05,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:09:05,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:09:05,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:09:05,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:09:05,228 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 21:09:05,229 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 21:09:05,229 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:09:05,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:09:05,230 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:09:05,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:09:05,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:09:05,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:09:05,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:09:05,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:09:05,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:09:05,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:09:05,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:09:05,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:09:05,233 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-19 21:09:05,233 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 21:09:05,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:09:05,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 21:09:05,234 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 -> 579faea91306b70f4f1704c1b6463ea271867143 [2019-11-19 21:09:05,606 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:09:05,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:09:05,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:09:05,629 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:09:05,630 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:09:05,631 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float_lib2.i [2019-11-19 21:09:05,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0881675cd/55c3e229939245dfbc8e96b247404282/FLAGf22a495cd [2019-11-19 21:09:06,353 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:09:06,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float_lib2.i [2019-11-19 21:09:06,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0881675cd/55c3e229939245dfbc8e96b247404282/FLAGf22a495cd [2019-11-19 21:09:06,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0881675cd/55c3e229939245dfbc8e96b247404282 [2019-11-19 21:09:06,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:09:06,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:09:06,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:09:06,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:09:06,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:09:06,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:09:06" (1/1) ... [2019-11-19 21:09:06,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@712f4f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:06, skipping insertion in model container [2019-11-19 21:09:06,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:09:06" (1/1) ... [2019-11-19 21:09:06,603 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:09:06,641 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:09:07,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:09:07,337 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:09:07,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:09:07,724 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:09:07,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:07 WrapperNode [2019-11-19 21:09:07,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:09:07,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:09:07,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:09:07,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:09:07,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:07" (1/1) ... [2019-11-19 21:09:07,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:07" (1/1) ... [2019-11-19 21:09:07,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:09:07,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:09:07,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:09:07,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:09:07,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:07" (1/1) ... [2019-11-19 21:09:07,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:07" (1/1) ... [2019-11-19 21:09:07,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:07" (1/1) ... [2019-11-19 21:09:07,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:07" (1/1) ... [2019-11-19 21:09:07,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:07" (1/1) ... [2019-11-19 21:09:07,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:07" (1/1) ... [2019-11-19 21:09:07,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:07" (1/1) ... [2019-11-19 21:09:07,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:09:07,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:09:07,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:09:07,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:09:07,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:09:07,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:09:07,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:09:08,206 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:09:08,206 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-19 21:09:08,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:09:08 BoogieIcfgContainer [2019-11-19 21:09:08,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:09:08,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:09:08,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:09:08,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:09:08,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:09:06" (1/3) ... [2019-11-19 21:09:08,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ecd729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:09:08, skipping insertion in model container [2019-11-19 21:09:08,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:09:07" (2/3) ... [2019-11-19 21:09:08,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ecd729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:09:08, skipping insertion in model container [2019-11-19 21:09:08,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:09:08" (3/3) ... [2019-11-19 21:09:08,218 INFO L109 eAbstractionObserver]: Analyzing ICFG float_lib2.i [2019-11-19 21:09:08,231 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:09:08,242 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-11-19 21:09:08,254 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-11-19 21:09:08,280 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:09:08,281 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:09:08,281 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:09:08,281 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:09:08,282 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:09:08,282 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:09:08,282 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:09:08,282 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:09:08,300 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-11-19 21:09:08,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-19 21:09:08,307 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:09:08,308 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-19 21:09:08,309 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:09:08,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:09:08,316 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-11-19 21:09:08,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:09:08,326 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1336415990] [2019-11-19 21:09:08,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-19 21:09:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:09:08,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 21:09:08,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:09:08,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:09:08,471 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:09:08,698 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 3 [2019-11-19 21:09:08,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:09:08,700 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1336415990] [2019-11-19 21:09:08,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:09:08,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-19 21:09:08,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282739379] [2019-11-19 21:09:08,707 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 21:09:08,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:09:08,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 21:09:08,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 21:09:08,721 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 4 states. [2019-11-19 21:09:08,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:09:08,787 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2019-11-19 21:09:08,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:09:08,789 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-11-19 21:09:08,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:09:08,803 INFO L225 Difference]: With dead ends: 40 [2019-11-19 21:09:08,803 INFO L226 Difference]: Without dead ends: 11 [2019-11-19 21:09:08,808 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 21:09:08,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-11-19 21:09:08,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-19 21:09:08,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-19 21:09:08,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2019-11-19 21:09:08,844 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 3 [2019-11-19 21:09:08,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:09:08,844 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2019-11-19 21:09:08,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 21:09:08,845 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2019-11-19 21:09:08,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 21:09:08,845 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:09:08,845 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:09:09,058 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-19 21:09:09,059 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:09:09,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:09:09,061 INFO L82 PathProgramCache]: Analyzing trace with hash -673231845, now seen corresponding path program 1 times [2019-11-19 21:09:09,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:09:09,062 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681205774] [2019-11-19 21:09:09,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2019-11-19 21:09:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-19 21:09:09,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 21:09:09,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:09:09,296 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 3 [2019-11-19 21:09:09,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:09:09,300 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:09:09,432 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 3 [2019-11-19 21:09:09,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:09:09,437 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681205774] [2019-11-19 21:09:09,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:09:09,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-19 21:09:09,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385039274] [2019-11-19 21:09:09,444 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:09:09,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:09:09,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:09:09,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:09:09,446 INFO L87 Difference]: Start difference. First operand 11 states and 10 transitions. Second operand 5 states. [2019-11-19 21:09:09,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:09:09,495 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2019-11-19 21:09:09,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 21:09:09,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-11-19 21:09:09,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:09:09,500 INFO L225 Difference]: With dead ends: 11 [2019-11-19 21:09:09,500 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:09:09,502 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:09:09,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:09:09,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:09:09,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:09:09,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:09:09,503 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-19 21:09:09,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:09:09,503 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:09:09,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:09:09,505 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:09:09,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:09:09,713 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-19 21:09:09,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:09:09,765 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2019-11-19 21:09:09,765 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 366) no Hoare annotation was computed. [2019-11-19 21:09:09,765 INFO L444 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2019-11-19 21:09:09,766 INFO L444 ceAbstractionStarter]: For program point L370-2(line 370) no Hoare annotation was computed. [2019-11-19 21:09:09,766 INFO L444 ceAbstractionStarter]: For program point L366(line 366) no Hoare annotation was computed. [2019-11-19 21:09:09,766 INFO L444 ceAbstractionStarter]: For program point L366-2(lines 363 374) no Hoare annotation was computed. [2019-11-19 21:09:09,766 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 369) no Hoare annotation was computed. [2019-11-19 21:09:09,766 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:09:09,767 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:09:09,767 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 365) no Hoare annotation was computed. [2019-11-19 21:09:09,767 INFO L444 ceAbstractionStarter]: For program point L367(line 367) no Hoare annotation was computed. [2019-11-19 21:09:09,767 INFO L444 ceAbstractionStarter]: For program point L367-2(lines 363 374) no Hoare annotation was computed. [2019-11-19 21:09:09,767 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:09:09,768 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 368) no Hoare annotation was computed. [2019-11-19 21:09:09,768 INFO L444 ceAbstractionStarter]: For program point L372(line 372) no Hoare annotation was computed. [2019-11-19 21:09:09,768 INFO L444 ceAbstractionStarter]: For program point L372-1(line 372) no Hoare annotation was computed. [2019-11-19 21:09:09,768 INFO L444 ceAbstractionStarter]: For program point L372-3(line 372) no Hoare annotation was computed. [2019-11-19 21:09:09,768 INFO L444 ceAbstractionStarter]: For program point L368(line 368) no Hoare annotation was computed. [2019-11-19 21:09:09,768 INFO L444 ceAbstractionStarter]: For program point L368-2(lines 363 374) no Hoare annotation was computed. [2019-11-19 21:09:09,769 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 372) no Hoare annotation was computed. [2019-11-19 21:09:09,769 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 367) no Hoare annotation was computed. [2019-11-19 21:09:09,769 INFO L440 ceAbstractionStarter]: At program point L373(lines 362 374) the Hoare annotation is: (= ULTIMATE.start_main_~largestSubnormalFloat~0 ((_ to_fp 8 24) roundNearestTiesToEven (/ 8388607.0 713623846352979940529142984724747568191373312.0))) [2019-11-19 21:09:09,769 INFO L444 ceAbstractionStarter]: For program point L369(line 369) no Hoare annotation was computed. [2019-11-19 21:09:09,770 INFO L444 ceAbstractionStarter]: For program point L369-2(lines 363 374) no Hoare annotation was computed. [2019-11-19 21:09:09,770 INFO L444 ceAbstractionStarter]: For program point L365(line 365) no Hoare annotation was computed. [2019-11-19 21:09:09,770 INFO L444 ceAbstractionStarter]: For program point L365-1(line 365) no Hoare annotation was computed. [2019-11-19 21:09:09,770 INFO L444 ceAbstractionStarter]: For program point L365-3(lines 363 374) no Hoare annotation was computed. [2019-11-19 21:09:09,779 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:09:09,784 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:09:09,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:09:09 BoogieIcfgContainer [2019-11-19 21:09:09,787 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:09:09,788 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:09:09,788 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:09:09,788 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:09:09,789 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:09:08" (3/4) ... [2019-11-19 21:09:09,793 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:09:09,805 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-19 21:09:09,805 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 21:09:09,868 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 21:09:09,868 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:09:09,873 INFO L168 Benchmark]: Toolchain (without parser) took 3284.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 951.0 MB in the beginning and 916.6 MB in the end (delta: 34.4 MB). Peak memory consumption was 174.9 MB. Max. memory is 11.5 GB. [2019-11-19 21:09:09,874 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:09:09,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1139.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -78.0 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. [2019-11-19 21:09:09,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:09:09,875 INFO L168 Benchmark]: Boogie Preprocessor took 62.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:09:09,877 INFO L168 Benchmark]: RCFGBuilder took 295.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2019-11-19 21:09:09,878 INFO L168 Benchmark]: TraceAbstraction took 1577.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 923.2 MB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:09:09,881 INFO L168 Benchmark]: Witness Printer took 80.37 ms. Allocated memory is still 1.2 GB. Free memory was 923.2 MB in the beginning and 916.6 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:09:09,887 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 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1139.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -78.0 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 124.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 295.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1577.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 923.2 MB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. * Witness Printer took 80.37 ms. Allocated memory is still 1.2 GB. Free memory was 923.2 MB in the beginning and 916.6 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 366]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 369]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 370]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 372]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 368]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 365]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 367]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 362]: Loop Invariant [2019-11-19 21:09:09,906 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-19 21:09:09,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: largestSubnormalFloat == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 8388607/713623846352979940529142984724747568191373312) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 7 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 14 SDslu, 0 SDs, 0 SdLazy, 21 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 5 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 596 SizeOfPredicates, 2 NumberOfNonLiveVariables, 17 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...