./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/floor_nondet.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/floor_nondet.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8 --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 ab5ebe205f598023baefec8bdc341169f9e7816e .................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/floor_nondet.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8 --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 ab5ebe205f598023baefec8bdc341169f9e7816e ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 08:14:29,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:14:29,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:14:29,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:14:29,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:14:29,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:14:29,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:14:29,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:14:29,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:14:29,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:14:29,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:14:29,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:14:29,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:14:29,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:14:29,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:14:29,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:14:29,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:14:29,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:14:29,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:14:29,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:14:29,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:14:29,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:14:29,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:14:29,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:14:29,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:14:29,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:14:29,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:14:29,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:14:29,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:14:29,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:14:29,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:14:29,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:14:29,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:14:29,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:14:29,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:14:29,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:14:29,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:14:29,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:14:29,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:14:29,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:14:29,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:14:29,546 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 08:14:29,591 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:14:29,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:14:29,592 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:14:29,592 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:14:29,593 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:14:29,593 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:14:29,593 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 08:14:29,593 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:14:29,594 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:14:29,594 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 08:14:29,604 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 08:14:29,604 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:14:29,605 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 08:14:29,605 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 08:14:29,605 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 08:14:29,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:14:29,606 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:14:29,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:14:29,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:14:29,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:14:29,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:14:29,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:14:29,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:14:29,608 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:14:29,608 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:14:29,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:14:29,608 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:14:29,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:14:29,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:14:29,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:14:29,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:14:29,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:14:29,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:14:29,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:14:29,610 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 08:14:29,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 08:14:29,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:14:29,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:14:29,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:14:29,611 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_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab5ebe205f598023baefec8bdc341169f9e7816e [2021-10-13 08:14:29,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:14:29,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:14:29,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:14:29,924 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:14:29,925 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:14:29,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/floats-esbmc-regression/floor_nondet.i [2021-10-13 08:14:30,014 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/data/4f36025ff/1e41446839864ba08cbe54856902e9ca/FLAGdf7860ef4 [2021-10-13 08:14:30,538 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:14:30,539 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/sv-benchmarks/c/floats-esbmc-regression/floor_nondet.i [2021-10-13 08:14:30,552 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/data/4f36025ff/1e41446839864ba08cbe54856902e9ca/FLAGdf7860ef4 [2021-10-13 08:14:30,815 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/data/4f36025ff/1e41446839864ba08cbe54856902e9ca [2021-10-13 08:14:30,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:14:30,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:14:30,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:14:30,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:14:30,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:14:30,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:14:30" (1/1) ... [2021-10-13 08:14:30,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760eb9ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:14:30, skipping insertion in model container [2021-10-13 08:14:30,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:14:30" (1/1) ... [2021-10-13 08:14:30,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:14:30,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:14:31,387 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/sv-benchmarks/c/floats-esbmc-regression/floor_nondet.i[38163,38176] [2021-10-13 08:14:31,394 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: isinf 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:1694) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) 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:1087) 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:2349) 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:2349) 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:1415) 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:1359) 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:1052) 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:1430) 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:3218) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) 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) [2021-10-13 08:14:31,399 INFO L168 Benchmark]: Toolchain (without parser) took 579.50 ms. Allocated memory is still 94.4 MB. Free memory was 50.4 MB in the beginning and 65.1 MB in the end (delta: -14.8 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:14:31,400 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 94.4 MB. Free memory was 68.9 MB in the beginning and 68.8 MB in the end (delta: 53.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:14:31,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 563.23 ms. Allocated memory is still 94.4 MB. Free memory was 50.2 MB in the beginning and 65.1 MB in the end (delta: -15.0 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:14:31,403 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 94.4 MB. Free memory was 68.9 MB in the beginning and 68.8 MB in the end (delta: 53.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 563.23 ms. Allocated memory is still 94.4 MB. Free memory was 50.2 MB in the beginning and 65.1 MB in the end (delta: -15.0 MB). Peak memory consumption was 4.5 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: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: 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 0.2.1-dev-4e77c04 [2021-10-13 08:14:33,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:14:33,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:14:33,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:14:33,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:14:33,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:14:33,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:14:33,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:14:33,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:14:33,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:14:33,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:14:33,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:14:33,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:14:33,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:14:33,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:14:33,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:14:33,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:14:33,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:14:33,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:14:33,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:14:33,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:14:33,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:14:33,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:14:33,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:14:33,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:14:33,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:14:33,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:14:33,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:14:33,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:14:33,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:14:33,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:14:33,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:14:33,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:14:33,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:14:33,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:14:33,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:14:33,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:14:33,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:14:33,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:14:33,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:14:33,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:14:33,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 08:14:33,867 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:14:33,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:14:33,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:14:33,869 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:14:33,869 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:14:33,869 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:14:33,869 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:14:33,870 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:14:33,870 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:14:33,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:14:33,872 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:14:33,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:14:33,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:14:33,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:14:33,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:14:33,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:14:33,874 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:14:33,874 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 08:14:33,874 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 08:14:33,874 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:14:33,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:14:33,874 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:14:33,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:14:33,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:14:33,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 08:14:33,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:14:33,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:14:33,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:14:33,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:14:33,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:14:33,876 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 08:14:33,876 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 08:14:33,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:14:33,877 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:14:33,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:14:33,878 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_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab5ebe205f598023baefec8bdc341169f9e7816e [2021-10-13 08:14:34,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:14:34,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:14:34,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:14:34,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:14:34,262 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:14:34,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/floats-esbmc-regression/floor_nondet.i [2021-10-13 08:14:34,335 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/data/785907ffe/f7ac703e069c40ebacb83d078e87bd63/FLAGb98657341 [2021-10-13 08:14:35,057 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:14:35,059 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/sv-benchmarks/c/floats-esbmc-regression/floor_nondet.i [2021-10-13 08:14:35,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/data/785907ffe/f7ac703e069c40ebacb83d078e87bd63/FLAGb98657341 [2021-10-13 08:14:35,258 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/bin/utaipan-q2qaUkNPG8/data/785907ffe/f7ac703e069c40ebacb83d078e87bd63 [2021-10-13 08:14:35,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:14:35,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:14:35,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:14:35,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:14:35,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:14:35,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:14:35" (1/1) ... [2021-10-13 08:14:35,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ac05c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:14:35, skipping insertion in model container [2021-10-13 08:14:35,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:14:35" (1/1) ... [2021-10-13 08:14:35,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:14:35,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:14:36,056 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de291048-2482-47db-ad91-2f3f00c45da4/sv-benchmarks/c/floats-esbmc-regression/floor_nondet.i[38163,38176] [2021-10-13 08:14:36,071 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: rint [2021-10-13 08:14:36,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5dee97dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:14:36, skipping insertion in model container [2021-10-13 08:14:36,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:14:36,074 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 08:14:36,077 INFO L168 Benchmark]: Toolchain (without parser) took 805.99 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 38.6 MB in the beginning and 69.6 MB in the end (delta: -30.9 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:14:36,079 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 60.8 MB. Free memory is still 42.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:14:36,081 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.13 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 38.5 MB in the beginning and 69.6 MB in the end (delta: -31.1 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2021-10-13 08:14:36,083 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 60.8 MB. Free memory is still 42.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 801.13 ms. Allocated memory was 60.8 MB in the beginning and 88.1 MB in the end (delta: 27.3 MB). Free memory was 38.5 MB in the beginning and 69.6 MB in the end (delta: -31.1 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1017]: Unsupported Syntax Unsupported function from math.h: rint RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...