./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89d4ebbdb94875553cd06d49914ce211c6614dad .......................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89d4ebbdb94875553cd06d49914ce211c6614dad ........................................................................................................................................................................ 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 0.1.24-6b5699a [2019-11-26 02:47:54,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:47:54,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:47:54,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:47:54,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:47:54,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:47:54,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:47:54,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:47:54,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:47:54,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:47:54,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:47:54,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:47:54,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:47:54,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:47:54,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:47:54,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:47:54,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:47:54,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:47:54,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:47:54,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:47:54,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:47:54,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:47:54,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:47:54,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:47:54,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:47:54,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:47:54,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:47:54,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:47:54,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:47:54,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:47:54,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:47:54,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:47:54,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:47:54,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:47:54,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:47:54,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:47:54,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:47:54,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:47:54,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:47:54,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:47:54,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:47:54,118 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:47:54,141 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:47:54,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:47:54,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:47:54,142 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:47:54,142 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:47:54,142 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:47:54,142 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:47:54,142 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:47:54,143 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:47:54,143 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:47:54,143 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:47:54,143 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:47:54,143 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:47:54,143 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:47:54,144 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:47:54,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:47:54,144 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:47:54,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:47:54,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:47:54,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:47:54,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:47:54,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:47:54,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:47:54,146 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:47:54,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:47:54,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:47:54,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:47:54,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:47:54,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:47:54,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:47:54,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:47:54,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:47:54,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:47:54,147 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:47:54,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:47:54,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:47:54,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:47:54,148 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e5caf6be-f738-433b-854a-813e4a29c288/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(__VERIFIER_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 -> 89d4ebbdb94875553cd06d49914ce211c6614dad [2019-11-26 02:47:54,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:47:54,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:47:54,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:47:54,338 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:47:54,338 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:47:54,339 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i [2019-11-26 02:47:54,388 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/data/8d7243798/78b044d1f4b543e8835c8bc414db51a6/FLAGedeb15ea2 [2019-11-26 02:47:54,858 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:47:54,858 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i [2019-11-26 02:47:54,870 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/data/8d7243798/78b044d1f4b543e8835c8bc414db51a6/FLAGedeb15ea2 [2019-11-26 02:47:55,163 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/data/8d7243798/78b044d1f4b543e8835c8bc414db51a6 [2019-11-26 02:47:55,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:47:55,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:47:55,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:47:55,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:47:55,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:47:55,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:47:55" (1/1) ... [2019-11-26 02:47:55,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7265be6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:55, skipping insertion in model container [2019-11-26 02:47:55,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:47:55" (1/1) ... [2019-11-26 02:47:55,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:47:55,222 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:47:55,806 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: signbit 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.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1349) 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:1028) 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:2313) 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:699) 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:700) 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:2313) 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:2313) 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:1511) 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:993) 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:1371) 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:3448) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2263) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:573) 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:193) 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:125) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 02:47:55,812 INFO L168 Benchmark]: Toolchain (without parser) took 644.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:55,813 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:47:55,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:55,815 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 642.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: signbit de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: signbit: 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 0.1.24-6b5699a [2019-11-26 02:47:57,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:47:57,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:47:57,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:47:57,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:47:57,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:47:57,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:47:57,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:47:57,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:47:57,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:47:57,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:47:57,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:47:57,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:47:57,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:47:57,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:47:57,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:47:57,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:47:57,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:47:57,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:47:57,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:47:57,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:47:57,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:47:57,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:47:57,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:47:57,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:47:57,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:47:57,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:47:57,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:47:57,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:47:57,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:47:57,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:47:57,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:47:57,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:47:57,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:47:57,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:47:57,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:47:57,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:47:57,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:47:57,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:47:57,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:47:57,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:47:57,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:47:57,644 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:47:57,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:47:57,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:47:57,646 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:47:57,646 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:47:57,646 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:47:57,646 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:47:57,647 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:47:57,647 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:47:57,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:47:57,648 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:47:57,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:47:57,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:47:57,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:47:57,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:47:57,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:47:57,650 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:47:57,650 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:47:57,650 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:47:57,650 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:47:57,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:47:57,651 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:47:57,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:47:57,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:47:57,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:47:57,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:47:57,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:47:57,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:47:57,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:47:57,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:47:57,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:47:57,654 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:47:57,654 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:47:57,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:47:57,655 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:47:57,655 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_e5caf6be-f738-433b-854a-813e4a29c288/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(__VERIFIER_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 -> 89d4ebbdb94875553cd06d49914ce211c6614dad [2019-11-26 02:47:57,909 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:47:57,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:47:57,922 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:47:57,923 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:47:57,924 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:47:57,924 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i [2019-11-26 02:47:57,984 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/data/02a66d4e0/5cc6e91868d54bb2bb10114c97ed4702/FLAG91982e4e0 [2019-11-26 02:47:58,510 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:47:58,515 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i [2019-11-26 02:47:58,535 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/data/02a66d4e0/5cc6e91868d54bb2bb10114c97ed4702/FLAG91982e4e0 [2019-11-26 02:47:58,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e5caf6be-f738-433b-854a-813e4a29c288/bin/utaipan/data/02a66d4e0/5cc6e91868d54bb2bb10114c97ed4702 [2019-11-26 02:47:58,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:47:58,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:47:58,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:47:58,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:47:58,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:47:58,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:47:58" (1/1) ... [2019-11-26 02:47:58,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45af06d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:47:58, skipping insertion in model container [2019-11-26 02:47:58,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:47:58" (1/1) ... [2019-11-26 02:47:58,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:47:58,855 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:47:59,378 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.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1349) 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:1028) 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:2313) 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:699) 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:700) 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:2313) 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:2313) 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:1511) 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:993) 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:1371) 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:3448) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2263) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:573) 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:193) 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:125) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 02:47:59,384 INFO L168 Benchmark]: Toolchain (without parser) took 585.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:59,385 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:47:59,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:47:59,389 INFO L335 ainManager$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 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 582.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 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...