./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/rint2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/rint2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8 --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 679431cc4db5d6dc0c92c1ce61bb635e515719d7 ....................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/rint2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8 --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 679431cc4db5d6dc0c92c1ce61bb635e515719d7 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:50:05,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:50:05,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:50:05,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:50:05,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:50:05,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:50:05,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:50:05,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:50:05,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:50:05,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:50:05,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:50:05,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:50:05,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:50:05,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:50:05,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:50:05,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:50:05,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:50:05,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:50:05,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:50:05,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:50:05,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:50:05,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:50:05,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:50:05,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:50:05,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:50:05,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:50:05,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:50:05,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:50:05,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:50:05,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:50:05,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:50:05,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:50:05,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:50:05,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:50:05,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:50:05,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:50:05,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:50:05,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:50:05,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:50:05,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:50:05,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:50:05,906 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:50:05,932 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:50:05,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:50:05,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:50:05,934 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:50:05,934 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:50:05,934 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:50:05,935 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:50:05,935 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:50:05,935 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:50:05,936 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:50:05,936 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:50:05,936 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:50:05,937 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:50:05,937 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:50:05,937 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:50:05,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:50:05,939 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:50:05,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:50:05,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:50:05,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:50:05,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:50:05,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:50:05,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:50:05,941 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:50:05,941 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:50:05,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:50:05,942 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:50:05,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:50:05,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:50:05,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:50:05,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:50:05,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:50:05,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:50:05,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:50:05,944 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:50:05,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:50:05,945 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:50:05,945 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:50:05,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:50:05,945 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_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 679431cc4db5d6dc0c92c1ce61bb635e515719d7 [2021-10-13 07:50:06,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:50:06,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:50:06,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:50:06,194 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:50:06,195 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:50:06,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/floats-esbmc-regression/rint2.i [2021-10-13 07:50:06,286 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/data/f2b744e28/0b64b70f0ac841659f85bc85b1c1e82a/FLAG766fca066 [2021-10-13 07:50:06,819 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:50:06,819 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/sv-benchmarks/c/floats-esbmc-regression/rint2.i [2021-10-13 07:50:06,839 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/data/f2b744e28/0b64b70f0ac841659f85bc85b1c1e82a/FLAG766fca066 [2021-10-13 07:50:07,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/data/f2b744e28/0b64b70f0ac841659f85bc85b1c1e82a [2021-10-13 07:50:07,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:50:07,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:50:07,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:50:07,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:50:07,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:50:07,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:50:07" (1/1) ... [2021-10-13 07:50:07,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e3d4fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:50:07, skipping insertion in model container [2021-10-13 07:50:07,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:50:07" (1/1) ... [2021-10-13 07:50:07,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:50:07,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:50:07,673 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/sv-benchmarks/c/floats-esbmc-regression/rint2.i[38064,38077] [2021-10-13 07:50:07,678 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: fesetround not supported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBuiltinFesetround(IntegerTranslation.java:959) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleBuiltinFesetround(StandardFunctionHandler.java:1384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1359) 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:1052) 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:1430) 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:3218) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) 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) [2021-10-13 07:50:07,683 INFO L168 Benchmark]: Toolchain (without parser) took 537.75 ms. Allocated memory is still 100.7 MB. Free memory was 69.1 MB in the beginning and 74.4 MB in the end (delta: -5.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:50:07,684 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 100.7 MB. Free memory is still 57.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:50:07,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.45 ms. Allocated memory is still 100.7 MB. Free memory was 69.1 MB in the beginning and 74.4 MB in the end (delta: -5.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:50:07,686 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 100.7 MB. Free memory is still 57.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 535.45 ms. Allocated memory is still 100.7 MB. Free memory was 69.1 MB in the beginning and 74.4 MB in the end (delta: -5.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: fesetround not supported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: fesetround not supported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBuiltinFesetround(IntegerTranslation.java:959) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:50:10,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:50:10,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:50:10,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:50:10,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:50:10,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:50:10,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:50:10,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:50:10,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:50:10,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:50:10,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:50:10,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:50:10,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:50:10,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:50:10,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:50:10,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:50:10,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:50:10,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:50:10,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:50:10,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:50:10,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:50:10,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:50:10,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:50:10,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:50:10,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:50:10,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:50:10,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:50:10,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:50:10,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:50:10,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:50:10,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:50:10,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:50:10,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:50:10,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:50:10,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:50:10,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:50:10,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:50:10,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:50:10,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:50:10,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:50:10,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:50:10,140 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:50:10,182 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:50:10,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:50:10,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:50:10,184 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:50:10,185 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:50:10,185 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:50:10,185 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:50:10,185 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:50:10,186 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:50:10,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:50:10,188 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:50:10,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:50:10,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:50:10,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:50:10,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:50:10,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:50:10,190 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:50:10,190 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:50:10,190 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:50:10,190 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:50:10,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:50:10,191 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:50:10,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:50:10,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:50:10,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:50:10,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:50:10,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:50:10,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:50:10,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:50:10,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:50:10,193 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:50:10,193 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:50:10,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:50:10,193 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:50:10,194 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:50:10,194 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_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 679431cc4db5d6dc0c92c1ce61bb635e515719d7 [2021-10-13 07:50:10,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:50:10,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:50:10,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:50:10,619 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:50:10,619 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:50:10,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/floats-esbmc-regression/rint2.i [2021-10-13 07:50:10,693 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/data/e6db21e9a/7ca77a85b37d4c7c8f7c8eabac1ac900/FLAG453a4d76a [2021-10-13 07:50:11,349 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:50:11,350 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/sv-benchmarks/c/floats-esbmc-regression/rint2.i [2021-10-13 07:50:11,379 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/data/e6db21e9a/7ca77a85b37d4c7c8f7c8eabac1ac900/FLAG453a4d76a [2021-10-13 07:50:11,620 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/bin/utaipan-q2qaUkNPG8/data/e6db21e9a/7ca77a85b37d4c7c8f7c8eabac1ac900 [2021-10-13 07:50:11,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:50:11,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:50:11,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:50:11,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:50:11,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:50:11,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:50:11" (1/1) ... [2021-10-13 07:50:11,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c2eb5d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:50:11, skipping insertion in model container [2021-10-13 07:50:11,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:50:11" (1/1) ... [2021-10-13 07:50:11,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:50:11,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:50:12,204 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8178d41b-fa8b-478b-bab1-213bc1bb8273/sv-benchmarks/c/floats-esbmc-regression/rint2.i[38064,38077] [2021-10-13 07:50:12,210 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: rint [2021-10-13 07:50:12,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55191bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:50:12, skipping insertion in model container [2021-10-13 07:50:12,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:50:12,211 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:50:12,213 INFO L168 Benchmark]: Toolchain (without parser) took 586.43 ms. Allocated memory is still 60.8 MB. Free memory was 38.4 MB in the beginning and 41.8 MB in the end (delta: -3.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:50:12,214 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 41.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:50:12,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.18 ms. Allocated memory is still 60.8 MB. Free memory was 38.1 MB in the beginning and 41.8 MB in the end (delta: -3.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:50:12,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 60.8 MB. Free memory is still 41.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 582.18 ms. Allocated memory is still 60.8 MB. Free memory was 38.1 MB in the beginning and 41.8 MB in the end (delta: -3.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1002]: Unsupported Syntax Unsupported function from math.h: rint RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...