./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/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_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/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 0.1.25-f470102 [2019-12-07 21:19:58,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:19:58,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:19:58,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:19:58,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:19:58,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:19:58,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:19:58,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:19:58,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:19:58,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:19:58,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:19:58,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:19:58,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:19:58,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:19:58,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:19:58,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:19:58,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:19:58,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:19:58,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:19:58,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:19:58,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:19:58,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:19:58,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:19:58,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:19:58,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:19:58,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:19:58,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:19:58,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:19:58,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:19:58,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:19:58,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:19:58,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:19:58,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:19:58,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:19:58,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:19:58,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:19:58,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:19:58,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:19:58,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:19:58,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:19:58,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:19:58,612 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:19:58,625 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:19:58,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:19:58,626 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:19:58,626 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:19:58,626 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:19:58,626 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:19:58,626 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:19:58,627 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:19:58,627 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:19:58,627 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:19:58,627 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:19:58,627 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:19:58,628 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:19:58,628 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:19:58,628 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:19:58,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:19:58,629 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:19:58,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:19:58,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:19:58,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:19:58,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:19:58,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:19:58,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:19:58,630 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:19:58,630 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:19:58,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:19:58,631 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:19:58,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:19:58,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:19:58,631 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:19:58,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:19:58,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:19:58,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:19:58,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:19:58,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:19:58,632 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:19:58,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:19:58,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:19:58,632 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:19:58,632 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:19:58,632 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_6b60547b-2138-40b0-83de-ab1c6deea1aa/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 [2019-12-07 21:19:58,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:19:58,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:19:58,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:19:58,745 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:19:58,745 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:19:58,745 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i [2019-12-07 21:19:58,786 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/data/5b658787a/c421316d02ad4fea9cb99263d1493531/FLAG46049acd3 [2019-12-07 21:19:59,160 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:19:59,161 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i [2019-12-07 21:19:59,172 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/data/5b658787a/c421316d02ad4fea9cb99263d1493531/FLAG46049acd3 [2019-12-07 21:19:59,180 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/data/5b658787a/c421316d02ad4fea9cb99263d1493531 [2019-12-07 21:19:59,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:19:59,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:19:59,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:19:59,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:19:59,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:19:59,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:19:59" (1/1) ... [2019-12-07 21:19:59,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e3dc57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:59, skipping insertion in model container [2019-12-07 21:19:59,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:19:59" (1/1) ... [2019-12-07 21:19:59,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:19:59,233 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:19:59,574 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:1652) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) 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:1064) 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:2326) 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:697) 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:698) 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:2326) 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:2326) 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:1553) 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:1029) 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:1407) 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:3458) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:571) 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: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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 21:19:59,578 INFO L168 Benchmark]: Toolchain (without parser) took 394.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -154.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:59,579 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:19:59,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -154.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:59,581 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 392.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -154.9 MB). Peak memory consumption was 18.5 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 0.1.25-f470102 [2019-12-07 21:20:00,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:20:00,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:20:00,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:20:00,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:20:00,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:20:00,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:20:00,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:20:00,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:20:00,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:20:00,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:20:00,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:20:00,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:20:00,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:20:00,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:20:00,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:20:00,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:20:00,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:20:00,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:20:00,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:20:00,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:20:00,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:20:00,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:20:00,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:20:00,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:20:00,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:20:00,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:20:00,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:20:00,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:20:00,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:20:00,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:20:00,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:20:00,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:20:00,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:20:00,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:20:00,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:20:00,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:20:00,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:20:00,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:20:00,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:20:00,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:20:00,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:20:00,747 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:20:00,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:20:00,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:20:00,748 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:20:00,748 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:20:00,748 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:20:00,748 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:20:00,748 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:20:00,748 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:20:00,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:20:00,749 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:20:00,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:20:00,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:20:00,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:20:00,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:20:00,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:20:00,750 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:20:00,750 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:20:00,750 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:20:00,750 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:20:00,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:20:00,750 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:20:00,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:20:00,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:20:00,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:20:00,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:20:00,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:20:00,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:20:00,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:20:00,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:20:00,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:20:00,752 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:20:00,752 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:20:00,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:20:00,752 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:20:00,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:20:00,752 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_6b60547b-2138-40b0-83de-ab1c6deea1aa/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 [2019-12-07 21:20:00,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:20:00,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:20:00,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:20:00,927 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:20:00,928 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:20:00,928 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i [2019-12-07 21:20:00,976 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/data/256ef7c71/b945b0179384477ca5578240c49e1f47/FLAG2264a7112 [2019-12-07 21:20:01,349 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:20:01,349 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/sv-benchmarks/c/floats-cbmc-regression/float-no-simp8.i [2019-12-07 21:20:01,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/data/256ef7c71/b945b0179384477ca5578240c49e1f47/FLAG2264a7112 [2019-12-07 21:20:01,370 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6b60547b-2138-40b0-83de-ab1c6deea1aa/bin/utaipan/data/256ef7c71/b945b0179384477ca5578240c49e1f47 [2019-12-07 21:20:01,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:20:01,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:20:01,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:20:01,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:20:01,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:20:01,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:20:01" (1/1) ... [2019-12-07 21:20:01,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77033427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:20:01, skipping insertion in model container [2019-12-07 21:20:01,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:20:01" (1/1) ... [2019-12-07 21:20:01,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:20:01,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:20:01,735 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:1652) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) 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:1064) 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:2326) 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:697) 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:698) 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:2326) 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:2326) 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:1553) 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:1029) 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:1407) 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:3458) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:571) 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: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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 21:20:01,740 INFO L168 Benchmark]: Toolchain (without parser) took 366.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -171.3 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:01,740 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:20:01,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -171.3 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2019-12-07 21:20:01,743 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 364.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -171.3 MB). Peak memory consumption was 21.6 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...