./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float_lib1.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_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float_lib1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/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 56771b04a43eece6453a051ac2b8a2fa87e54647 ............................................................................................................................................................................... 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_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float_lib1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/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 56771b04a43eece6453a051ac2b8a2fa87e54647 ................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: not yet supported float operation signbit --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 04:47:58,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 04:47:58,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 04:47:58,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 04:47:58,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 04:47:58,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 04:47:58,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 04:47:58,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 04:47:58,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 04:47:58,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 04:47:58,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 04:47:58,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 04:47:58,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 04:47:58,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 04:47:58,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 04:47:58,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 04:47:58,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 04:47:58,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 04:47:58,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 04:47:58,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 04:47:58,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 04:47:58,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 04:47:58,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 04:47:58,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 04:47:58,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 04:47:58,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 04:47:58,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 04:47:58,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 04:47:58,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 04:47:58,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 04:47:58,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 04:47:58,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 04:47:58,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 04:47:58,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 04:47:58,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 04:47:58,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 04:47:58,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 04:47:58,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 04:47:58,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 04:47:58,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 04:47:58,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 04:47:58,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 04:47:58,581 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 04:47:58,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 04:47:58,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 04:47:58,583 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 04:47:58,583 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 04:47:58,583 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 04:47:58,583 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 04:47:58,583 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 04:47:58,584 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 04:47:58,584 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 04:47:58,584 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 04:47:58,584 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 04:47:58,584 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 04:47:58,584 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 04:47:58,585 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 04:47:58,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 04:47:58,585 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 04:47:58,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 04:47:58,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 04:47:58,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 04:47:58,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 04:47:58,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 04:47:58,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 04:47:58,587 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 04:47:58,587 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 04:47:58,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 04:47:58,587 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 04:47:58,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 04:47:58,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 04:47:58,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 04:47:58,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 04:47:58,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 04:47:58,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 04:47:58,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 04:47:58,589 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 04:47:58,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 04:47:58,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 04:47:58,589 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 04:47:58,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 04:47:58,589 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_fee8ebd5-0108-470b-87f6-967a9fbed90b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56771b04a43eece6453a051ac2b8a2fa87e54647 [2020-12-09 04:47:58,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 04:47:58,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 04:47:58,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 04:47:58,801 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 04:47:58,801 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 04:47:58,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float_lib1.i [2020-12-09 04:47:58,841 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/data/f3acf3830/44b4ce0d485f44d3ad165f0412ac4941/FLAG897c281e9 [2020-12-09 04:47:59,278 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 04:47:59,278 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/sv-benchmarks/c/floats-cbmc-regression/float_lib1.i [2020-12-09 04:47:59,290 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/data/f3acf3830/44b4ce0d485f44d3ad165f0412ac4941/FLAG897c281e9 [2020-12-09 04:47:59,300 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/data/f3acf3830/44b4ce0d485f44d3ad165f0412ac4941 [2020-12-09 04:47:59,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 04:47:59,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 04:47:59,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 04:47:59,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 04:47:59,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 04:47:59,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:47:59" (1/1) ... [2020-12-09 04:47:59,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1be95b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:47:59, skipping insertion in model container [2020-12-09 04:47:59,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:47:59" (1/1) ... [2020-12-09 04:47:59,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 04:47:59,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 04:47:59,719 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.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:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:706) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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 04:47:59,722 INFO L168 Benchmark]: Toolchain (without parser) took 417.72 ms. Allocated memory is still 96.5 MB. Free memory was 55.1 MB in the beginning and 68.0 MB in the end (delta: -12.9 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-12-09 04:47:59,723 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 96.5 MB. Free memory is still 72.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 04:47:59,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.73 ms. Allocated memory is still 96.5 MB. Free memory was 55.0 MB in the beginning and 68.0 MB in the end (delta: -13.0 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-12-09 04:47:59,725 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 96.5 MB. Free memory is still 72.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 415.73 ms. Allocated memory is still 96.5 MB. Free memory was 55.0 MB in the beginning and 68.0 MB in the end (delta: -13.0 MB). Peak memory consumption was 7.5 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: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 04:48:01,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 04:48:01,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 04:48:01,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 04:48:01,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 04:48:01,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 04:48:01,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 04:48:01,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 04:48:01,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 04:48:01,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 04:48:01,090 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 04:48:01,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 04:48:01,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 04:48:01,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 04:48:01,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 04:48:01,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 04:48:01,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 04:48:01,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 04:48:01,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 04:48:01,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 04:48:01,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 04:48:01,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 04:48:01,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 04:48:01,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 04:48:01,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 04:48:01,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 04:48:01,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 04:48:01,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 04:48:01,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 04:48:01,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 04:48:01,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 04:48:01,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 04:48:01,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 04:48:01,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 04:48:01,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 04:48:01,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 04:48:01,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 04:48:01,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 04:48:01,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 04:48:01,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 04:48:01,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 04:48:01,122 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 04:48:01,146 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 04:48:01,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 04:48:01,147 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 04:48:01,147 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 04:48:01,147 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 04:48:01,147 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 04:48:01,147 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 04:48:01,148 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 04:48:01,148 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 04:48:01,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 04:48:01,149 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 04:48:01,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 04:48:01,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 04:48:01,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 04:48:01,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 04:48:01,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 04:48:01,150 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 04:48:01,150 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 04:48:01,150 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 04:48:01,150 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 04:48:01,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 04:48:01,150 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 04:48:01,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 04:48:01,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 04:48:01,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 04:48:01,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 04:48:01,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 04:48:01,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 04:48:01,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 04:48:01,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 04:48:01,157 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 04:48:01,157 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 04:48:01,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 04:48:01,157 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 04:48:01,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 04:48:01,158 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_fee8ebd5-0108-470b-87f6-967a9fbed90b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56771b04a43eece6453a051ac2b8a2fa87e54647 [2020-12-09 04:48:01,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 04:48:01,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 04:48:01,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 04:48:01,401 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 04:48:01,402 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 04:48:01,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float_lib1.i [2020-12-09 04:48:01,445 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/data/1a01c6146/93b443f3db58427c9ff2890c800c4639/FLAGede4278ca [2020-12-09 04:48:01,913 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 04:48:01,913 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/sv-benchmarks/c/floats-cbmc-regression/float_lib1.i [2020-12-09 04:48:01,924 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/data/1a01c6146/93b443f3db58427c9ff2890c800c4639/FLAGede4278ca [2020-12-09 04:48:01,934 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fee8ebd5-0108-470b-87f6-967a9fbed90b/bin/utaipan/data/1a01c6146/93b443f3db58427c9ff2890c800c4639 [2020-12-09 04:48:01,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 04:48:01,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 04:48:01,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 04:48:01,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 04:48:01,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 04:48:01,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:48:01" (1/1) ... [2020-12-09 04:48:01,942 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 04:48:01, skipping insertion in model container [2020-12-09 04:48:01,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:48:01" (1/1) ... [2020-12-09 04:48:01,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 04:48:01,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 04:48:02,274 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_fee8ebd5-0108-470b-87f6-967a9fbed90b/sv-benchmarks/c/floats-cbmc-regression/float_lib1.i[40580,40593] [2020-12-09 04:48:02,279 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_fee8ebd5-0108-470b-87f6-967a9fbed90b/sv-benchmarks/c/floats-cbmc-regression/float_lib1.i[41059,41072] [2020-12-09 04:48:02,280 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_fee8ebd5-0108-470b-87f6-967a9fbed90b/sv-benchmarks/c/floats-cbmc-regression/float_lib1.i[41228,41241] [2020-12-09 04:48:02,282 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_fee8ebd5-0108-470b-87f6-967a9fbed90b/sv-benchmarks/c/floats-cbmc-regression/float_lib1.i[41572,41585] [2020-12-09 04:48:02,285 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_fee8ebd5-0108-470b-87f6-967a9fbed90b/sv-benchmarks/c/floats-cbmc-regression/float_lib1.i[41926,41939] [2020-12-09 04:48:02,287 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_fee8ebd5-0108-470b-87f6-967a9fbed90b/sv-benchmarks/c/floats-cbmc-regression/float_lib1.i[42100,42113] [2020-12-09 04:48:02,288 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: not yet supported float operation signbit at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOtherUnaryFloatOperation(BitvectorTranslation.java:1143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java: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:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:706) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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 04:48:02,292 INFO L168 Benchmark]: Toolchain (without parser) took 353.62 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 36.3 MB in the beginning and 53.7 MB in the end (delta: -17.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 04:48:02,292 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 58.7 MB. Free memory was 41.2 MB in the beginning and 41.2 MB in the end (delta: 73.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 04:48:02,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.24 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 36.2 MB in the beginning and 53.7 MB in the end (delta: -17.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 04:48:02,294 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 58.7 MB. Free memory was 41.2 MB in the beginning and 41.2 MB in the end (delta: 73.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 352.24 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 36.2 MB in the beginning and 53.7 MB in the end (delta: -17.6 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: not yet supported float operation signbit de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: not yet supported float operation signbit: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOtherUnaryFloatOperation(BitvectorTranslation.java:1143) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...