./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/trunc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f46f6078b594b31981b98c0e39eab9cbf3b2f63f ................................................................................................................................................................... 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_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f46f6078b594b31981b98c0e39eab9cbf3b2f63f ........................................................................................................................................................................... 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 0.2.0-69874e2 [2020-12-01 17:20:37,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:20:37,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:20:37,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:20:37,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:20:37,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:20:37,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:20:37,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:20:37,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:20:37,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:20:37,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:20:37,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:20:37,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:20:37,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:20:37,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:20:37,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:20:37,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:20:37,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:20:37,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:20:37,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:20:37,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:20:37,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:20:37,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:20:37,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:20:37,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:20:37,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:20:37,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:20:37,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:20:37,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:20:37,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:20:37,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:20:37,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:20:37,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:20:37,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:20:37,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:20:37,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:20:37,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:20:37,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:20:37,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:20:37,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:20:37,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:20:37,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:20:37,831 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:20:37,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:20:37,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:20:37,834 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:20:37,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:20:37,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:20:37,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:20:37,836 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:20:37,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:20:37,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:20:37,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:20:37,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:20:37,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:20:37,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:20:37,840 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:20:37,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:20:37,841 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:20:37,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:20:37,841 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:20:37,842 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:20:37,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:20:37,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:20:37,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:20:37,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:20:37,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:20:37,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:20:37,844 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:20:37,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:20:37,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:20:37,845 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f46f6078b594b31981b98c0e39eab9cbf3b2f63f [2020-12-01 17:20:38,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:20:38,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:20:38,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:20:38,164 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:20:38,165 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:20:38,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/trunc.i [2020-12-01 17:20:38,253 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/data/507282245/c1218ef16cce4aed8cd84e1ae521d481/FLAG8f28d4650 [2020-12-01 17:20:38,820 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:20:38,836 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/sv-benchmarks/c/floats-esbmc-regression/trunc.i [2020-12-01 17:20:38,861 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/data/507282245/c1218ef16cce4aed8cd84e1ae521d481/FLAG8f28d4650 [2020-12-01 17:20:39,138 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/data/507282245/c1218ef16cce4aed8cd84e1ae521d481 [2020-12-01 17:20:39,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:20:39,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:20:39,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:20:39,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:20:39,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:20:39,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:20:39" (1/1) ... [2020-12-01 17:20:39,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6adfbd89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:39, skipping insertion in model container [2020-12-01 17:20:39,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:20:39" (1/1) ... [2020-12-01 17:20:39,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:20:39,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:20:39,836 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: trunc 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:1692) 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: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.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1352) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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) [2020-12-01 17:20:39,843 INFO L168 Benchmark]: Toolchain (without parser) took 699.23 ms. Allocated memory is still 96.5 MB. Free memory was 66.9 MB in the beginning and 71.5 MB in the end (delta: -4.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:39,844 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 96.5 MB. Free memory was 56.2 MB in the beginning and 56.1 MB in the end (delta: 41.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:20:39,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.66 ms. Allocated memory is still 96.5 MB. Free memory was 66.7 MB in the beginning and 71.5 MB in the end (delta: -4.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:39,847 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 96.5 MB. Free memory was 56.2 MB in the beginning and 56.1 MB in the end (delta: 41.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 696.66 ms. Allocated memory is still 96.5 MB. Free memory was 66.7 MB in the beginning and 71.5 MB in the end (delta: -4.8 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: floating point operation not supported in non-bitprecise translation: trunc de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: trunc: 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 0.2.0-69874e2 [2020-12-01 17:20:42,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:20:42,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:20:42,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:20:42,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:20:42,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:20:42,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:20:42,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:20:42,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:20:42,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:20:42,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:20:42,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:20:42,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:20:42,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:20:42,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:20:42,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:20:42,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:20:42,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:20:42,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:20:42,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:20:42,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:20:42,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:20:42,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:20:42,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:20:42,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:20:42,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:20:42,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:20:42,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:20:42,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:20:42,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:20:42,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:20:42,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:20:42,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:20:42,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:20:42,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:20:42,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:20:42,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:20:42,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:20:42,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:20:42,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:20:42,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:20:42,802 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 17:20:42,837 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:20:42,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:20:42,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:20:42,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:20:42,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:20:42,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:20:42,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:20:42,840 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:20:42,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:20:42,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:20:42,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:20:42,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:20:42,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:20:42,841 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 17:20:42,841 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 17:20:42,841 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 17:20:42,842 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:20:42,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:20:42,842 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:20:42,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:20:42,842 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:20:42,843 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:20:42,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:20:42,843 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:20:42,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:20:42,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:20:42,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:20:42,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:20:42,844 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 17:20:42,845 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 17:20:42,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:20:42,845 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 17:20:42,845 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 17:20:42,846 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_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f46f6078b594b31981b98c0e39eab9cbf3b2f63f [2020-12-01 17:20:43,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:20:43,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:20:43,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:20:43,276 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:20:43,276 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:20:43,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/../../sv-benchmarks/c/floats-esbmc-regression/trunc.i [2020-12-01 17:20:43,361 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/data/730f9a6e7/363b56c23a7e475a8ea4de347a4c399c/FLAGb76072dff [2020-12-01 17:20:44,185 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:20:44,187 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/sv-benchmarks/c/floats-esbmc-regression/trunc.i [2020-12-01 17:20:44,205 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/data/730f9a6e7/363b56c23a7e475a8ea4de347a4c399c/FLAGb76072dff [2020-12-01 17:20:44,223 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cedbdf9c-c8ef-42e8-a9ee-1f3705141130/bin/ukojak/data/730f9a6e7/363b56c23a7e475a8ea4de347a4c399c [2020-12-01 17:20:44,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:20:44,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:20:44,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:20:44,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:20:44,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:20:44,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:20:44" (1/1) ... [2020-12-01 17:20:44,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109fea5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:44, skipping insertion in model container [2020-12-01 17:20:44,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:20:44" (1/1) ... [2020-12-01 17:20:44,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:20:44,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:20:44,890 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:1692) 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:706) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1352) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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) [2020-12-01 17:20:44,898 INFO L168 Benchmark]: Toolchain (without parser) took 669.06 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.0 MB in the beginning and 45.1 MB in the end (delta: -22.1 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:44,900 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 48.2 MB. Free memory was 30.1 MB in the beginning and 30.0 MB in the end (delta: 23.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:20:44,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.49 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 22.8 MB in the beginning and 45.1 MB in the end (delta: -22.2 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:44,904 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 48.2 MB. Free memory was 30.1 MB in the beginning and 30.0 MB in the end (delta: 23.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 664.49 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 22.8 MB in the beginning and 45.1 MB in the end (delta: -22.2 MB). Peak memory consumption was 6.8 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...