./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ee8e70e7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 72332f3224eb5caf0a8a421b6c3e68d916cc1201 ................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 72332f3224eb5caf0a8a421b6c3e68d916cc1201 ................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: unknown symbol: roundNearestTiesToAway (line: 779) --- Real Ultimate output --- This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:01:24,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:01:24,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:01:24,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:01:24,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:01:24,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:01:24,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:01:24,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:01:24,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:01:24,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:01:24,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:01:24,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:01:24,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:01:24,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:01:24,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:01:24,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:01:24,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:01:24,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:01:24,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:01:24,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:01:24,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:01:24,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:01:24,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:01:24,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:01:24,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:01:24,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:01:24,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:01:24,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:01:24,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:01:24,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:01:24,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:01:24,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:01:24,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:01:24,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:01:24,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:01:24,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:01:24,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:01:24,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:01:24,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:01:24,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:01:24,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:01:24,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 15:01:24,369 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:01:24,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:01:24,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:01:24,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:01:24,373 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:01:24,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:01:24,373 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:01:24,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:01:24,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:01:24,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:01:24,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:01:24,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:01:24,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:01:24,376 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:01:24,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:01:24,376 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:01:24,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:01:24,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:01:24,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:01:24,377 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:01:24,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:01:24,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:01:24,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:01:24,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:01:24,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:01:24,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:01:24,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:01:24,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:01:24,379 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:01:24,379 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72332f3224eb5caf0a8a421b6c3e68d916cc1201 [2020-10-24 15:01:24,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:01:24,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:01:24,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:01:24,885 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:01:24,886 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:01:24,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i [2020-10-24 15:01:24,979 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a886d342/9b2e02d360b3438bb58a6226d7bd495b/FLAG9a3f56654 [2020-10-24 15:01:25,815 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:01:25,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i [2020-10-24 15:01:25,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a886d342/9b2e02d360b3438bb58a6226d7bd495b/FLAG9a3f56654 [2020-10-24 15:01:26,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a886d342/9b2e02d360b3438bb58a6226d7bd495b [2020-10-24 15:01:26,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:01:26,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:01:26,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:01:26,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:01:26,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:01:26,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:01:26" (1/1) ... [2020-10-24 15:01:26,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54036607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:26, skipping insertion in model container [2020-10-24 15:01:26,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:01:26" (1/1) ... [2020-10-24 15:01:26,090 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:01:26,135 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:01:26,658 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: round at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:847) 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:1400) 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:704) 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:1407) 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:1351) 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:1044) 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:1422) 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:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:578) 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:201) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) 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 15:01:26,665 INFO L168 Benchmark]: Toolchain (without parser) took 610.95 ms. Allocated memory is still 46.1 MB. Free memory was 21.3 MB in the beginning and 20.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-10-24 15:01:26,669 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 46.1 MB. Free memory was 32.9 MB in the beginning and 32.9 MB in the end (delta: 35.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:01:26,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.49 ms. Allocated memory is still 46.1 MB. Free memory was 20.6 MB in the beginning and 20.0 MB in the end (delta: 518.0 kB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-10-24 15:01:26,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 46.1 MB. Free memory was 32.9 MB in the beginning and 32.9 MB in the end (delta: 35.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 602.49 ms. Allocated memory is still 46.1 MB. Free memory was 20.6 MB in the beginning and 20.0 MB in the end (delta: 518.0 kB). 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: floating point operation not supported in non-bitprecise translation: round de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: round: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:847) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:01:29,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:01:29,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:01:29,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:01:29,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:01:29,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:01:29,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:01:29,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:01:29,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:01:29,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:01:29,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:01:29,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:01:29,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:01:29,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:01:29,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:01:29,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:01:29,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:01:29,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:01:29,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:01:29,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:01:29,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:01:29,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:01:29,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:01:29,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:01:29,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:01:29,225 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:01:29,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:01:29,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:01:29,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:01:29,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:01:29,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:01:29,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:01:29,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:01:29,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:01:29,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:01:29,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:01:29,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:01:29,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:01:29,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:01:29,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:01:29,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:01:29,245 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 15:01:29,295 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:01:29,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:01:29,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:01:29,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:01:29,309 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:01:29,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:01:29,310 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:01:29,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:01:29,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:01:29,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:01:29,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:01:29,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:01:29,312 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:01:29,312 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:01:29,312 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:01:29,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:01:29,313 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:01:29,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:01:29,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:01:29,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:01:29,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:01:29,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:01:29,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:01:29,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:01:29,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:01:29,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:01:29,315 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:01:29,316 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:01:29,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:01:29,316 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:01:29,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:01:29,317 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72332f3224eb5caf0a8a421b6c3e68d916cc1201 [2020-10-24 15:01:29,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:01:29,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:01:29,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:01:29,742 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:01:29,743 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:01:29,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i [2020-10-24 15:01:29,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1ecd523bd/cde9727c690045f1b11aefd78c94a6d7/FLAGe99aa1a40 [2020-10-24 15:01:30,606 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:01:30,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i [2020-10-24 15:01:30,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1ecd523bd/cde9727c690045f1b11aefd78c94a6d7/FLAGe99aa1a40 [2020-10-24 15:01:30,838 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1ecd523bd/cde9727c690045f1b11aefd78c94a6d7 [2020-10-24 15:01:30,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:01:30,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:01:30,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:01:30,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:01:30,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:01:30,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:01:30" (1/1) ... [2020-10-24 15:01:30,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e5553cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:30, skipping insertion in model container [2020-10-24 15:01:30,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:01:30" (1/1) ... [2020-10-24 15:01:30,869 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:01:30,919 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:01:31,369 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:01:31,386 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:01:31,436 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:01:31,769 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:01:31,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:31 WrapperNode [2020-10-24 15:01:31,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:01:31,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:01:31,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:01:31,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:01:31,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:31" (1/1) ... [2020-10-24 15:01:31,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:31" (1/1) ... [2020-10-24 15:01:31,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:01:31,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:01:31,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:01:31,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:01:31,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:31" (1/1) ... [2020-10-24 15:01:31,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:31" (1/1) ... [2020-10-24 15:01:31,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:31" (1/1) ... [2020-10-24 15:01:31,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:31" (1/1) ... [2020-10-24 15:01:31,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:31" (1/1) ... [2020-10-24 15:01:31,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:31" (1/1) ... [2020-10-24 15:01:31,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:31" (1/1) ... [2020-10-24 15:01:31,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:01:31,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:01:31,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:01:31,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:01:31,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-24 15:01:32,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-10-24 15:01:32,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 15:01:32,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:01:32,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:01:32,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:01:33,541 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:01:33,542 INFO L298 CfgBuilder]: Removed 100 assume(true) statements. [2020-10-24 15:01:33,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:01:33 BoogieIcfgContainer [2020-10-24 15:01:33,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:01:33,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:01:33,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:01:33,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:01:33,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:01:30" (1/3) ... [2020-10-24 15:01:33,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207248ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:01:33, skipping insertion in model container [2020-10-24 15:01:33,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:31" (2/3) ... [2020-10-24 15:01:33,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@207248ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:01:33, skipping insertion in model container [2020-10-24 15:01:33,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:01:33" (3/3) ... [2020-10-24 15:01:33,553 INFO L111 eAbstractionObserver]: Analyzing ICFG rounding_functions.i [2020-10-24 15:01:33,565 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:01:33,570 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 24 error locations. [2020-10-24 15:01:33,584 INFO L253 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2020-10-24 15:01:33,613 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:01:33,613 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:01:33,613 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:01:33,613 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:01:33,613 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:01:33,613 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:01:33,614 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:01:33,614 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:01:33,638 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-10-24 15:01:33,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-24 15:01:33,643 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:01:33,644 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-24 15:01:33,645 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:01:33,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:01:33,651 INFO L82 PathProgramCache]: Analyzing trace with hash 889506790, now seen corresponding path program 1 times [2020-10-24 15:01:33,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:01:33,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [17480233] [2020-10-24 15:01:33,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-24 15:01:33,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 15:01:33,983 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: unknown symbol: roundNearestTiesToAway (line: 779) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: unknown symbol: roundNearestTiesToAway (line: 779) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1454) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:222) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:145) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.assertTerm(ManagedScript.java:133) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertCodeBlocks.java:193) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertTerm(AnnotateAndAssertConjunctsOfCodeBlocks.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertConjuncts(AnnotateAndAssertConjunctsOfCodeBlocks.java:135) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAssertConjunctsOfCodeBlocks.annotateAndAssertNonCall(AnnotateAndAssertConjunctsOfCodeBlocks.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:101) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:206) ... 28 more [2020-10-24 15:01:33,990 INFO L168 Benchmark]: Toolchain (without parser) took 3144.70 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 29.5 MB in the beginning and 39.1 MB in the end (delta: -9.6 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-10-24 15:01:33,991 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 35.7 MB. Free memory is still 19.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:01:33,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 921.55 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 28.9 MB in the beginning and 31.4 MB in the end (delta: -2.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:01:33,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.46 ms. Allocated memory is still 56.6 MB. Free memory was 31.4 MB in the beginning and 27.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:01:33,994 INFO L168 Benchmark]: Boogie Preprocessor took 61.80 ms. Allocated memory is still 56.6 MB. Free memory was 27.2 MB in the beginning and 24.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:01:33,995 INFO L168 Benchmark]: RCFGBuilder took 1618.51 ms. Allocated memory is still 56.6 MB. Free memory was 24.8 MB in the beginning and 24.1 MB in the end (delta: 781.7 kB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2020-10-24 15:01:33,996 INFO L168 Benchmark]: TraceAbstraction took 440.73 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 23.8 MB in the beginning and 39.1 MB in the end (delta: -15.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:01:34,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 35.7 MB. Free memory is still 19.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 921.55 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 28.9 MB in the beginning and 31.4 MB in the end (delta: -2.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.46 ms. Allocated memory is still 56.6 MB. Free memory was 31.4 MB in the beginning and 27.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.80 ms. Allocated memory is still 56.6 MB. Free memory was 27.2 MB in the beginning and 24.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1618.51 ms. Allocated memory is still 56.6 MB. Free memory was 24.8 MB in the beginning and 24.1 MB in the end (delta: 781.7 kB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 440.73 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 23.8 MB in the beginning and 39.1 MB in the end (delta: -15.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: unknown symbol: roundNearestTiesToAway (line: 779) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: unknown symbol: roundNearestTiesToAway (line: 779): de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:235) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...