./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/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 e232a229fd97a588b0965972f35cc759d5e34261 ................................................................................................................................................................................... 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_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/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 e232a229fd97a588b0965972f35cc759d5e34261 ........................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: not yet supported float operation signbit --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:01:53,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:01:53,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:01:53,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:01:53,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:01:53,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:01:53,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:01:53,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:01:53,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:01:53,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:01:53,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:01:53,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:01:53,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:01:53,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:01:53,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:01:53,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:01:53,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:01:53,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:01:53,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:01:54,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:01:54,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:01:54,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:01:54,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:01:54,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:01:54,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:01:54,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:01:54,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:01:54,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:01:54,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:01:54,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:01:54,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:01:54,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:01:54,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:01:54,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:01:54,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:01:54,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:01:54,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:01:54,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:01:54,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:01:54,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:01:54,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:01:54,056 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 02:01:54,102 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:01:54,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:01:54,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:01:54,104 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:01:54,104 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:01:54,105 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:01:54,105 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 02:01:54,105 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:01:54,106 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:01:54,106 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 02:01:54,106 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 02:01:54,106 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:01:54,107 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 02:01:54,107 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 02:01:54,107 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 02:01:54,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:01:54,108 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:01:54,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 02:01:54,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:01:54,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:01:54,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:01:54,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:01:54,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:01:54,110 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:01:54,111 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:01:54,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:01:54,111 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:01:54,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:01:54,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:01:54,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:01:54,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:01:54,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:01:54,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:01:54,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:01:54,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:01:54,114 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 02:01:54,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 02:01:54,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:01:54,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:01:54,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:01:54,115 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_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e232a229fd97a588b0965972f35cc759d5e34261 [2020-11-30 02:01:54,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:01:54,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:01:54,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:01:54,495 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:01:54,496 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:01:54,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i [2020-11-30 02:01:54,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/data/5a3814421/0ea696838903438e96c968f11508b475/FLAGaa6f4d6be [2020-11-30 02:01:55,306 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:01:55,307 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i [2020-11-30 02:01:55,337 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/data/5a3814421/0ea696838903438e96c968f11508b475/FLAGaa6f4d6be [2020-11-30 02:01:55,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/data/5a3814421/0ea696838903438e96c968f11508b475 [2020-11-30 02:01:55,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:01:55,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:01:55,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:01:55,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:01:55,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:01:55,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:01:55" (1/1) ... [2020-11-30 02:01:55,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c0c40ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:01:55, skipping insertion in model container [2020-11-30 02:01:55,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:01:55" (1/1) ... [2020-11-30 02:01:55,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:01:55,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:01:56,449 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:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1080) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:705) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1569) 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:1045) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1423) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 02:01:56,462 INFO L168 Benchmark]: Toolchain (without parser) took 959.22 ms. Allocated memory is still 92.3 MB. Free memory was 60.8 MB in the beginning and 66.6 MB in the end (delta: -5.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 02:01:56,464 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory was 51.7 MB in the beginning and 51.7 MB in the end (delta: 45.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:01:56,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 956.11 ms. Allocated memory is still 92.3 MB. Free memory was 60.6 MB in the beginning and 66.6 MB in the end (delta: -6.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 02:01:56,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory was 51.7 MB in the beginning and 51.7 MB in the end (delta: 45.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 956.11 ms. Allocated memory is still 92.3 MB. Free memory was 60.6 MB in the beginning and 66.6 MB in the end (delta: -6.0 MB). Peak memory consumption was 12.6 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-a4ecdab [2020-11-30 02:01:58,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:01:58,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:01:58,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:01:58,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:01:58,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:01:58,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:01:58,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:01:58,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:01:58,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:01:58,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:01:58,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:01:58,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:01:58,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:01:58,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:01:58,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:01:58,991 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:01:58,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:01:59,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:01:59,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:01:59,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:01:59,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:01:59,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:01:59,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:01:59,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:01:59,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:01:59,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:01:59,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:01:59,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:01:59,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:01:59,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:01:59,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:01:59,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:01:59,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:01:59,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:01:59,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:01:59,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:01:59,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:01:59,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:01:59,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:01:59,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:01:59,035 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-30 02:01:59,064 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:01:59,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:01:59,068 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:01:59,068 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:01:59,068 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:01:59,069 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:01:59,069 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:01:59,069 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:01:59,069 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:01:59,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:01:59,072 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:01:59,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:01:59,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:01:59,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:01:59,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:01:59,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:01:59,074 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:01:59,074 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 02:01:59,074 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 02:01:59,074 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:01:59,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:01:59,075 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:01:59,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:01:59,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:01:59,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 02:01:59,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:01:59,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:01:59,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:01:59,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:01:59,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:01:59,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:01:59,077 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 02:01:59,078 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 02:01:59,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:01:59,078 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:01:59,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:01:59,079 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_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e232a229fd97a588b0965972f35cc759d5e34261 [2020-11-30 02:01:59,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:01:59,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:01:59,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:01:59,575 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:01:59,576 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:01:59,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i [2020-11-30 02:01:59,659 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/data/e82ec068a/97117f75342d4d99b88f39fdcc87b524/FLAG8ff2a5069 [2020-11-30 02:02:00,426 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:02:00,427 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1.i [2020-11-30 02:02:00,446 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/data/e82ec068a/97117f75342d4d99b88f39fdcc87b524/FLAG8ff2a5069 [2020-11-30 02:02:00,652 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_436e7f16-745d-42c7-9b9d-bcac7ef7fbcd/bin/utaipan/data/e82ec068a/97117f75342d4d99b88f39fdcc87b524 [2020-11-30 02:02:00,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:02:00,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:02:00,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:02:00,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:02:00,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:02:00,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:02:00" (1/1) ... [2020-11-30 02:02:00,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571193d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:02:00, skipping insertion in model container [2020-11-30 02:02:00,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:02:00" (1/1) ... [2020-11-30 02:02:00,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:02:00,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:02:01,456 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: not yet supported float operation signbit at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOtherUnaryFloatOperation(BitvectorTranslation.java:1143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1080) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1569) 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:1045) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1423) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 02:02:01,467 INFO L168 Benchmark]: Toolchain (without parser) took 807.76 ms. Allocated memory is still 56.6 MB. Free memory was 33.1 MB in the beginning and 36.7 MB in the end (delta: -3.6 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:02:01,468 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory is still 38.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:02:01,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 805.55 ms. Allocated memory is still 56.6 MB. Free memory was 33.0 MB in the beginning and 36.7 MB in the end (delta: -3.7 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:02:01,473 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 56.6 MB. Free memory is still 38.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 805.55 ms. Allocated memory is still 56.6 MB. Free memory was 33.0 MB in the beginning and 36.7 MB in the end (delta: -3.7 MB). Peak memory consumption was 17.2 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...