./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fmod3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmod3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7edad8d23f7ec244dd40c355ba611b6a557deea .............................................................................................................................................................................. 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_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmod3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7edad8d23f7ec244dd40c355ba611b6a557deea .......................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: not yet supported float operation copysign --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:09:12,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:09:12,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:09:12,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:09:12,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:09:12,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:09:12,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:09:12,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:09:12,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:09:12,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:09:12,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:09:12,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:09:12,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:09:12,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:09:12,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:09:12,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:09:12,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:09:12,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:09:12,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:09:12,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:09:12,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:09:12,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:09:12,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:09:12,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:09:12,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:09:12,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:09:12,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:09:12,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:09:12,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:09:12,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:09:12,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:09:12,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:09:12,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:09:12,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:09:12,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:09:12,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:09:12,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:09:12,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:09:12,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:09:12,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:09:12,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:09:12,289 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:09:12,312 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:09:12,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:09:12,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:09:12,314 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:09:12,314 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:09:12,314 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:09:12,314 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:09:12,315 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:09:12,315 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:09:12,315 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:09:12,315 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:09:12,316 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:09:12,316 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:09:12,316 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:09:12,316 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:09:12,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:09:12,317 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:09:12,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:09:12,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:09:12,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:09:12,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:09:12,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:09:12,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:09:12,319 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:09:12,319 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:09:12,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:09:12,320 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:09:12,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:09:12,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:09:12,321 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:09:12,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:09:12,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:09:12,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:09:12,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:09:12,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:09:12,322 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:09:12,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:09:12,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:09:12,323 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:09:12,323 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:09:12,324 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7edad8d23f7ec244dd40c355ba611b6a557deea [2020-11-22 13:09:12,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:09:12,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:09:12,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:09:12,616 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:09:12,617 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:09:12,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/fmod3.i [2020-11-22 13:09:12,674 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/data/c3217792d/9c976ce92e6e4a0e83a3e1cea2e3f02d/FLAG2cb232e98 [2020-11-22 13:09:13,237 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:09:13,237 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/sv-benchmarks/c/floats-esbmc-regression/fmod3.i [2020-11-22 13:09:13,249 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/data/c3217792d/9c976ce92e6e4a0e83a3e1cea2e3f02d/FLAG2cb232e98 [2020-11-22 13:09:13,485 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/data/c3217792d/9c976ce92e6e4a0e83a3e1cea2e3f02d [2020-11-22 13:09:13,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:09:13,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:09:13,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:09:13,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:09:13,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:09:13,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:09:13" (1/1) ... [2020-11-22 13:09:13,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@440fbb3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:13, skipping insertion in model container [2020-11-22 13:09:13,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:09:13" (1/1) ... [2020-11-22 13:09:13,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:09:13,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:09:14,112 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: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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.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) [2020-11-22 13:09:14,117 INFO L168 Benchmark]: Toolchain (without parser) took 627.03 ms. Allocated memory is still 119.5 MB. Free memory was 79.5 MB in the beginning and 92.9 MB in the end (delta: -13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:09:14,117 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 119.5 MB. Free memory is still 97.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:09:14,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.47 ms. Allocated memory is still 119.5 MB. Free memory was 79.3 MB in the beginning and 92.9 MB in the end (delta: -13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:09:14,120 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 119.5 MB. Free memory is still 97.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 624.47 ms. Allocated memory is still 119.5 MB. Free memory was 79.3 MB in the beginning and 92.9 MB in the end (delta: -13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:09:16,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:09:16,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:09:16,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:09:16,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:09:16,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:09:16,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:09:16,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:09:16,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:09:16,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:09:16,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:09:16,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:09:16,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:09:16,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:09:16,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:09:16,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:09:16,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:09:16,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:09:16,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:09:16,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:09:16,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:09:16,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:09:16,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:09:16,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:09:16,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:09:16,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:09:16,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:09:16,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:09:16,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:09:16,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:09:16,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:09:16,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:09:16,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:09:16,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:09:16,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:09:16,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:09:16,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:09:16,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:09:16,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:09:16,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:09:16,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:09:16,339 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:09:16,364 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:09:16,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:09:16,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:09:16,365 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:09:16,365 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:09:16,366 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:09:16,366 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:09:16,366 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:09:16,366 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:09:16,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:09:16,367 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:09:16,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:09:16,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:09:16,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:09:16,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:09:16,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:09:16,368 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:09:16,368 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:09:16,368 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:09:16,369 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:09:16,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:09:16,369 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:09:16,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:09:16,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:09:16,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:09:16,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:09:16,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:09:16,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:09:16,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:09:16,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:09:16,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:09:16,371 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:09:16,371 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:09:16,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:09:16,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:09:16,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:09:16,372 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_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7edad8d23f7ec244dd40c355ba611b6a557deea [2020-11-22 13:09:16,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:09:16,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:09:16,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:09:16,767 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:09:16,768 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:09:16,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/fmod3.i [2020-11-22 13:09:16,835 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/data/1517546c0/64242a8ecedd432483017e35b3140c2a/FLAG27545c9ce [2020-11-22 13:09:17,429 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:09:17,430 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/sv-benchmarks/c/floats-esbmc-regression/fmod3.i [2020-11-22 13:09:17,444 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/data/1517546c0/64242a8ecedd432483017e35b3140c2a/FLAG27545c9ce [2020-11-22 13:09:17,674 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c83be8db-b434-4822-a810-99767afe68c4/bin/utaipan/data/1517546c0/64242a8ecedd432483017e35b3140c2a [2020-11-22 13:09:17,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:09:17,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:09:17,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:09:17,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:09:17,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:09:17,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:09:17" (1/1) ... [2020-11-22 13:09:17,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd8730e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:09:17, skipping insertion in model container [2020-11-22 13:09:17,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:09:17" (1/1) ... [2020-11-22 13:09:17,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:09:17,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:09:18,269 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: not yet supported float operation copysign at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOtherBinaryFloatOperation(BitvectorTranslation.java:1231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOtherBinaryFloatOperation(BitvectorTranslation.java:1181) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:1698) 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:1340) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2900) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2759) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2072) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1096) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1045) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1423) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-22 13:09:18,278 INFO L168 Benchmark]: Toolchain (without parser) took 598.35 ms. Allocated memory is still 67.1 MB. Free memory was 46.2 MB in the beginning and 48.9 MB in the end (delta: -2.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:09:18,292 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 67.1 MB. Free memory was 48.5 MB in the beginning and 48.5 MB in the end (delta: 32.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:09:18,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.24 ms. Allocated memory is still 67.1 MB. Free memory was 46.1 MB in the beginning and 48.9 MB in the end (delta: -2.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:09:18,296 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 67.1 MB. Free memory was 48.5 MB in the beginning and 48.5 MB in the end (delta: 32.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 596.24 ms. Allocated memory is still 67.1 MB. Free memory was 46.1 MB in the beginning and 48.9 MB in the end (delta: -2.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: not yet supported float operation copysign de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: not yet supported float operation copysign: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOtherBinaryFloatOperation(BitvectorTranslation.java:1231) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...