./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i -s /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan --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 Taipan --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=/tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i -s /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan --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 Taipan --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: 321) --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 10:38:37,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:38:37,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:38:37,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:38:37,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:38:37,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:38:37,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:38:37,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:38:37,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:38:37,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:38:37,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:38:37,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:38:37,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:38:37,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:38:37,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:38:37,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:38:37,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:38:37,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:38:37,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:38:37,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:38:37,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:38:37,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:38:37,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:38:37,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:38:37,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:38:37,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:38:37,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:38:37,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:38:37,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:38:37,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:38:37,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:38:37,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:38:37,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:38:37,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:38:37,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:38:37,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:38:37,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:38:37,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:38:37,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:38:37,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:38:37,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:38:37,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 10:38:37,461 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:38:37,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:38:37,462 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:38:37,462 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:38:37,462 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:38:37,463 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:38:37,463 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 10:38:37,463 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:38:37,463 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:38:37,463 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 10:38:37,463 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 10:38:37,464 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:38:37,464 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 10:38:37,464 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 10:38:37,464 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 10:38:37,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:38:37,465 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 10:38:37,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 10:38:37,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 10:38:37,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:38:37,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 10:38:37,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:38:37,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 10:38:37,466 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:38:37,467 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 10:38:37,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 10:38:37,467 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:38:37,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 10:38:37,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:38:37,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:38:37,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:38:37,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:38:37,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:38:37,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 10:38:37,468 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 10:38:37,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 10:38:37,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 10:38:37,469 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:38:37,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:38:37,469 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72332f3224eb5caf0a8a421b6c3e68d916cc1201 [2020-12-09 10:38:37,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:38:37,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:38:37,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:38:37,671 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:38:37,671 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:38:37,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i [2020-12-09 10:38:37,715 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/data/78ba8f4a2/0ac397514d384231a71b86eebd6313ff/FLAGef34c0d0c [2020-12-09 10:38:38,130 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:38:38,131 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i [2020-12-09 10:38:38,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/data/78ba8f4a2/0ac397514d384231a71b86eebd6313ff/FLAGef34c0d0c [2020-12-09 10:38:38,156 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/data/78ba8f4a2/0ac397514d384231a71b86eebd6313ff [2020-12-09 10:38:38,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:38:38,159 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:38:38,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:38:38,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:38:38,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:38:38,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:38:38" (1/1) ... [2020-12-09 10:38:38,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a831fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:38, skipping insertion in model container [2020-12-09 10:38:38,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:38:38" (1/1) ... [2020-12-09 10:38:38,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:38:38,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:38:38,477 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i[36293,36306] [2020-12-09 10:38:38,481 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:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1710) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1402) 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: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:1409) 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:1353) 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:1046) 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:1424) 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:3213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2293) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) 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) [2020-12-09 10:38:38,485 INFO L168 Benchmark]: Toolchain (without parser) took 324.67 ms. Allocated memory is still 100.7 MB. Free memory was 58.3 MB in the beginning and 74.3 MB in the end (delta: -16.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-12-09 10:38:38,485 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 100.7 MB. Free memory is still 75.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:38:38,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.40 ms. Allocated memory is still 100.7 MB. Free memory was 58.0 MB in the beginning and 74.3 MB in the end (delta: -16.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-12-09 10:38:38,487 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 100.7 MB. Free memory is still 75.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 322.40 ms. Allocated memory is still 100.7 MB. Free memory was 58.0 MB in the beginning and 74.3 MB in the end (delta: -16.3 MB). Peak memory consumption was 9.7 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:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 10:38:39,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:38:39,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:38:39,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:38:39,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:38:39,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:38:39,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:38:39,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:38:39,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:38:39,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:38:39,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:38:39,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:38:39,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:38:39,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:38:39,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:38:39,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:38:39,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:38:39,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:38:39,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:38:39,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:38:39,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:38:39,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:38:39,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:38:39,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:38:39,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:38:39,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:38:39,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:38:39,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:38:39,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:38:39,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:38:39,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:38:39,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:38:39,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:38:39,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:38:39,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:38:39,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:38:39,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:38:39,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:38:39,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:38:39,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:38:39,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:38:39,889 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 10:38:39,906 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:38:39,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:38:39,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:38:39,907 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:38:39,907 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:38:39,908 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:38:39,908 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:38:39,908 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:38:39,908 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:38:39,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:38:39,909 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 10:38:39,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 10:38:39,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:38:39,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 10:38:39,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:38:39,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 10:38:39,909 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:38:39,910 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 10:38:39,910 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 10:38:39,910 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 10:38:39,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 10:38:39,910 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:38:39,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 10:38:39,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:38:39,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 10:38:39,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:38:39,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:38:39,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:38:39,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:38:39,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 10:38:39,911 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 10:38:39,911 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 10:38:39,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 10:38:39,912 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:38:39,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:38:39,912 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:/tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72332f3224eb5caf0a8a421b6c3e68d916cc1201 [2020-12-09 10:38:40,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:38:40,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:38:40,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:38:40,160 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:38:40,160 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:38:40,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i [2020-12-09 10:38:40,203 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/data/4c5b6632d/ae6231b269a4444681eca429462e6398/FLAG1bdf90edd [2020-12-09 10:38:40,621 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:38:40,622 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i [2020-12-09 10:38:40,632 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/data/4c5b6632d/ae6231b269a4444681eca429462e6398/FLAG1bdf90edd [2020-12-09 10:38:40,641 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/data/4c5b6632d/ae6231b269a4444681eca429462e6398 [2020-12-09 10:38:40,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:38:40,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:38:40,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:38:40,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:38:40,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:38:40,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:38:40" (1/1) ... [2020-12-09 10:38:40,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2381c908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:40, skipping insertion in model container [2020-12-09 10:38:40,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:38:40" (1/1) ... [2020-12-09 10:38:40,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:38:40,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:38:41,058 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i[36293,36306] [2020-12-09 10:38:41,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:38:41,085 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 10:38:41,115 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i[36293,36306] [2020-12-09 10:38:41,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:38:41,342 INFO L208 MainTranslator]: Completed translation [2020-12-09 10:38:41,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41 WrapperNode [2020-12-09 10:38:41,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 10:38:41,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 10:38:41,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 10:38:41,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 10:38:41,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... [2020-12-09 10:38:41,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... [2020-12-09 10:38:41,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 10:38:41,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 10:38:41,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 10:38:41,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 10:38:41,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... [2020-12-09 10:38:41,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... [2020-12-09 10:38:41,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... [2020-12-09 10:38:41,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... [2020-12-09 10:38:41,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... [2020-12-09 10:38:41,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... [2020-12-09 10:38:41,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... [2020-12-09 10:38:41,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 10:38:41,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 10:38:41,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 10:38:41,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 10:38:41,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/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 [2020-12-09 10:38:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 10:38:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 10:38:41,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 10:38:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 10:38:41,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 10:38:41,788 INFO L299 CfgBuilder]: Removed 52 assume(true) statements. [2020-12-09 10:38:41,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:38:41 BoogieIcfgContainer [2020-12-09 10:38:41,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 10:38:41,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 10:38:41,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 10:38:41,792 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 10:38:41,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:38:40" (1/3) ... [2020-12-09 10:38:41,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9414b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:38:41, skipping insertion in model container [2020-12-09 10:38:41,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:38:41" (2/3) ... [2020-12-09 10:38:41,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9414b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:38:41, skipping insertion in model container [2020-12-09 10:38:41,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:38:41" (3/3) ... [2020-12-09 10:38:41,794 INFO L111 eAbstractionObserver]: Analyzing ICFG rounding_functions.i [2020-12-09 10:38:41,804 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 10:38:41,806 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 24 error locations. [2020-12-09 10:38:41,813 INFO L253 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2020-12-09 10:38:41,830 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 10:38:41,830 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 10:38:41,830 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 10:38:41,830 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 10:38:41,830 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 10:38:41,830 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 10:38:41,830 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 10:38:41,830 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 10:38:41,842 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2020-12-09 10:38:41,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-09 10:38:41,846 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:38:41,846 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-09 10:38:41,847 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]=== [2020-12-09 10:38:41,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:38:41,850 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2020-12-09 10:38:41,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 10:38:41,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681878494] [2020-12-09 10:38:41,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_184a0762-4daf-43a6-955d-fbcd41aa84d2/bin/utaipan/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 [2020-12-09 10:38:42,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 10:38:42,108 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: 321) 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:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) 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: 321) 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 [2020-12-09 10:38:42,122 INFO L168 Benchmark]: Toolchain (without parser) took 1473.85 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 42.0 MB in the beginning and 34.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2020-12-09 10:38:42,124 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 62.9 MB. Free memory was 45.1 MB in the beginning and 45.0 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:38:42,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.90 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 41.8 MB in the beginning and 48.6 MB in the end (delta: -6.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. [2020-12-09 10:38:42,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.47 ms. Allocated memory is still 79.7 MB. Free memory was 48.6 MB in the beginning and 45.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 10:38:42,131 INFO L168 Benchmark]: Boogie Preprocessor took 22.95 ms. Allocated memory is still 79.7 MB. Free memory was 45.5 MB in the beginning and 43.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:38:42,133 INFO L168 Benchmark]: RCFGBuilder took 369.17 ms. Allocated memory is still 79.7 MB. Free memory was 43.9 MB in the beginning and 45.8 MB in the end (delta: -2.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 10:38:42,135 INFO L168 Benchmark]: TraceAbstraction took 326.50 ms. Allocated memory is still 79.7 MB. Free memory was 45.3 MB in the beginning and 34.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 10:38:42,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 62.9 MB. Free memory was 45.1 MB in the beginning and 45.0 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 697.90 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 41.8 MB in the beginning and 48.6 MB in the end (delta: -6.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.47 ms. Allocated memory is still 79.7 MB. Free memory was 48.6 MB in the beginning and 45.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.95 ms. Allocated memory is still 79.7 MB. Free memory was 45.5 MB in the beginning and 43.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 369.17 ms. Allocated memory is still 79.7 MB. Free memory was 43.9 MB in the beginning and 45.8 MB in the end (delta: -2.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 326.50 ms. Allocated memory is still 79.7 MB. Free memory was 45.3 MB in the beginning and 34.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. 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: 321) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: unknown symbol: roundNearestTiesToAway (line: 321): 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...