./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/floor.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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-esbmc-regression/floor.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e420964589660c135cf4996f7df16620d0b77eb ................................................................................................................................................................... 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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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-esbmc-regression/floor.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e420964589660c135cf4996f7df16620d0b77eb ......................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: not yet supported float operation signbit --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 22:57:08,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 22:57:08,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 22:57:08,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 22:57:08,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 22:57:08,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 22:57:08,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 22:57:08,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 22:57:08,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 22:57:08,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 22:57:08,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 22:57:08,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 22:57:08,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 22:57:08,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 22:57:08,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 22:57:08,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 22:57:08,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 22:57:08,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 22:57:08,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 22:57:08,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 22:57:08,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 22:57:08,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 22:57:08,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 22:57:08,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 22:57:08,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 22:57:08,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 22:57:08,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 22:57:08,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 22:57:08,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 22:57:08,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 22:57:08,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 22:57:08,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 22:57:08,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 22:57:08,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 22:57:08,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 22:57:08,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 22:57:08,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 22:57:08,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 22:57:08,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 22:57:08,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 22:57:08,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 22:57:08,718 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 22:57:08,747 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 22:57:08,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 22:57:08,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 22:57:08,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 22:57:08,750 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 22:57:08,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 22:57:08,750 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 22:57:08,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 22:57:08,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 22:57:08,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 22:57:08,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 22:57:08,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 22:57:08,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 22:57:08,752 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 22:57:08,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 22:57:08,752 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 22:57:08,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 22:57:08,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 22:57:08,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 22:57:08,753 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 22:57:08,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 22:57:08,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 22:57:08,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 22:57:08,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 22:57:08,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 22:57:08,754 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 22:57:08,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 22:57:08,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 22:57:08,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 22:57:08,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e420964589660c135cf4996f7df16620d0b77eb [2020-10-24 22:57:09,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 22:57:09,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 22:57:09,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 22:57:09,255 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 22:57:09,256 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 22:57:09,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/floor.i [2020-10-24 22:57:09,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3d918051/7a88f4b11dce471d902363ffe3c39517/FLAG59c565e02 [2020-10-24 22:57:10,090 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 22:57:10,091 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/floor.i [2020-10-24 22:57:10,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3d918051/7a88f4b11dce471d902363ffe3c39517/FLAG59c565e02 [2020-10-24 22:57:10,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3d918051/7a88f4b11dce471d902363ffe3c39517 [2020-10-24 22:57:10,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 22:57:10,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 22:57:10,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 22:57:10,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 22:57:10,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 22:57:10,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:57:10" (1/1) ... [2020-10-24 22:57:10,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5822a981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:57:10, skipping insertion in model container [2020-10-24 22:57:10,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:57:10" (1/1) ... [2020-10-24 22:57:10,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 22:57:10,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 22:57:11,024 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: floor 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.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) 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:705) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) 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:1352) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1045) 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:1423) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-24 22:57:11,032 INFO L168 Benchmark]: Toolchain (without parser) took 722.23 ms. Allocated memory is still 46.1 MB. Free memory was 22.3 MB in the beginning and 21.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-10-24 22:57:11,033 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 37.7 MB. Free memory is still 20.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:57:11,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.61 ms. Allocated memory is still 46.1 MB. Free memory was 21.7 MB in the beginning and 21.2 MB in the end (delta: 488.5 kB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-10-24 22:57:11,036 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 37.7 MB. Free memory is still 20.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 709.61 ms. Allocated memory is still 46.1 MB. Free memory was 21.7 MB in the beginning and 21.2 MB in the end (delta: 488.5 kB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: floor de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: floor: 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 0.2.0-a4ecdab [2020-10-24 22:57:13,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 22:57:13,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 22:57:13,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 22:57:13,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 22:57:13,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 22:57:13,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 22:57:13,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 22:57:13,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 22:57:13,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 22:57:13,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 22:57:13,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 22:57:13,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 22:57:13,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 22:57:13,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 22:57:13,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 22:57:13,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 22:57:13,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 22:57:13,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 22:57:13,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 22:57:13,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 22:57:13,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 22:57:13,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 22:57:13,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 22:57:13,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 22:57:13,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 22:57:13,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 22:57:13,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 22:57:13,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 22:57:13,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 22:57:13,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 22:57:13,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 22:57:13,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 22:57:13,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 22:57:13,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 22:57:13,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 22:57:13,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 22:57:13,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 22:57:13,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 22:57:13,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 22:57:13,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 22:57:13,599 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 22:57:13,655 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 22:57:13,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 22:57:13,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 22:57:13,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 22:57:13,660 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 22:57:13,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 22:57:13,661 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 22:57:13,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 22:57:13,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 22:57:13,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 22:57:13,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 22:57:13,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 22:57:13,664 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 22:57:13,664 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 22:57:13,664 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 22:57:13,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 22:57:13,665 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 22:57:13,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 22:57:13,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 22:57:13,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 22:57:13,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 22:57:13,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 22:57:13,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 22:57:13,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 22:57:13,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 22:57:13,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 22:57:13,668 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 22:57:13,668 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 22:57:13,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 22:57:13,669 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 22:57:13,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 22:57:13,669 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e420964589660c135cf4996f7df16620d0b77eb [2020-10-24 22:57:14,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 22:57:14,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 22:57:14,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 22:57:14,179 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 22:57:14,181 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 22:57:14,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/floor.i [2020-10-24 22:57:14,266 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab17f85e1/a46e35bd0e5d49bc8112e271b62f0c99/FLAG2a702e27c [2020-10-24 22:57:14,980 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 22:57:14,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/floor.i [2020-10-24 22:57:15,006 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab17f85e1/a46e35bd0e5d49bc8112e271b62f0c99/FLAG2a702e27c [2020-10-24 22:57:15,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab17f85e1/a46e35bd0e5d49bc8112e271b62f0c99 [2020-10-24 22:57:15,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 22:57:15,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 22:57:15,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 22:57:15,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 22:57:15,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 22:57:15,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:57:15" (1/1) ... [2020-10-24 22:57:15,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd0b5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:57:15, skipping insertion in model container [2020-10-24 22:57:15,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:57:15" (1/1) ... [2020-10-24 22:57:15,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 22:57:15,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 22:57:15,869 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: not yet supported float operation signbit at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOtherUnaryFloatOperation(BitvectorTranslation.java:1143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) 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:1080) 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:2342) 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:706) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) 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:1352) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1045) 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:1423) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-24 22:57:15,877 INFO L168 Benchmark]: Toolchain (without parser) took 654.26 ms. Allocated memory is still 50.3 MB. Free memory was 25.2 MB in the beginning and 26.0 MB in the end (delta: -828.8 kB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-10-24 22:57:15,878 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 50.3 MB. Free memory was 33.9 MB in the beginning and 33.8 MB in the end (delta: 40.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 22:57:15,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.77 ms. Allocated memory is still 50.3 MB. Free memory was 24.5 MB in the beginning and 26.0 MB in the end (delta: -1.5 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-10-24 22:57:15,884 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 50.3 MB. Free memory was 33.9 MB in the beginning and 33.8 MB in the end (delta: 40.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 645.77 ms. Allocated memory is still 50.3 MB. Free memory was 24.5 MB in the beginning and 26.0 MB in the end (delta: -1.5 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: not yet supported float operation signbit de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: not yet supported float operation signbit: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOtherUnaryFloatOperation(BitvectorTranslation.java:1143) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...