./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI --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 91c18909fa64fb894260d901851992225c0131b1 ...................................................................................................................................................................... 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_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI --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 91c18909fa64fb894260d901851992225c0131b1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:24:52,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:24:52,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:24:52,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:24:52,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:24:52,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:24:52,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:24:52,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:24:52,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:24:52,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:24:52,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:24:52,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:24:52,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:24:52,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:24:52,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:24:52,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:24:52,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:24:52,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:24:52,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:24:52,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:24:52,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:24:52,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:24:52,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:24:52,743 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:24:52,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:24:52,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:24:52,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:24:52,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:24:52,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:24:52,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:24:52,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:24:52,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:24:52,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:24:52,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:24:52,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:24:52,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:24:52,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:24:52,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:24:52,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:24:52,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:24:52,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:24:52,760 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:24:52,783 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:24:52,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:24:52,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:24:52,785 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:24:52,785 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:24:52,785 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:24:52,786 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:24:52,786 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:24:52,787 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:24:52,787 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:24:52,787 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:24:52,788 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:24:52,788 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:24:52,789 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:24:52,789 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:24:52,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:24:52,790 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:24:52,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:24:52,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:24:52,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:24:52,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:24:52,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:24:52,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:24:52,792 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:24:52,792 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:24:52,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:24:52,793 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:24:52,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:24:52,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:24:52,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:24:52,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:52,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:24:52,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:24:52,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:24:52,795 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:24:52,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:24:52,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:24:52,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:24:52,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:24:52,796 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_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91c18909fa64fb894260d901851992225c0131b1 [2021-10-11 02:24:53,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:24:53,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:24:53,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:24:53,062 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:24:53,064 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:24:53,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2021-10-11 02:24:53,132 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/data/e981c020f/00c294654f0441aea009bb40c8bef6c2/FLAG21a73fd59 [2021-10-11 02:24:53,749 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:24:53,750 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2021-10-11 02:24:53,769 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/data/e981c020f/00c294654f0441aea009bb40c8bef6c2/FLAG21a73fd59 [2021-10-11 02:24:54,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/data/e981c020f/00c294654f0441aea009bb40c8bef6c2 [2021-10-11 02:24:54,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:24:54,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:24:54,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:54,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:24:54,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:24:54,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:54" (1/1) ... [2021-10-11 02:24:54,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@258d537f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:54, skipping insertion in model container [2021-10-11 02:24:54,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:54" (1/1) ... [2021-10-11 02:24:54,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:24:54,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:54,571 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: fesetround not supported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBuiltinFesetround(IntegerTranslation.java:959) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleBuiltinFesetround(StandardFunctionHandler.java:1402) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1402) 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:1353) 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:1046) 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:1424) 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:3213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2293) 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) [2021-10-11 02:24:54,576 INFO L168 Benchmark]: Toolchain (without parser) took 548.59 ms. Allocated memory is still 117.4 MB. Free memory was 86.5 MB in the beginning and 91.7 MB in the end (delta: -5.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:54,577 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 81.8 MB. Free memory was 39.6 MB in the beginning and 39.6 MB in the end (delta: 41.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:24:54,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.18 ms. Allocated memory is still 117.4 MB. Free memory was 86.2 MB in the beginning and 91.7 MB in the end (delta: -5.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:24:54,580 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 81.8 MB. Free memory was 39.6 MB in the beginning and 39.6 MB in the end (delta: 41.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 545.18 ms. Allocated memory is still 117.4 MB. Free memory was 86.2 MB in the beginning and 91.7 MB in the end (delta: -5.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: fesetround not supported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: fesetround not supported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBuiltinFesetround(IntegerTranslation.java:959) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:24:56,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:24:56,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:24:57,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:24:57,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:24:57,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:24:57,011 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:24:57,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:24:57,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:24:57,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:24:57,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:24:57,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:24:57,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:24:57,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:24:57,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:24:57,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:24:57,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:24:57,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:24:57,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:24:57,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:24:57,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:24:57,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:24:57,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:24:57,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:24:57,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:24:57,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:24:57,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:24:57,084 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:24:57,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:24:57,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:24:57,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:24:57,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:24:57,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:24:57,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:24:57,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:24:57,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:24:57,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:24:57,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:24:57,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:24:57,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:24:57,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:24:57,096 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:24:57,142 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:24:57,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:24:57,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:24:57,144 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:24:57,144 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:24:57,144 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:24:57,145 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:24:57,145 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:24:57,145 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:24:57,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:24:57,148 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:24:57,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:24:57,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:24:57,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:24:57,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:24:57,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:24:57,149 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:24:57,149 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:24:57,149 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:24:57,150 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:24:57,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:24:57,150 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:24:57,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:24:57,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:24:57,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:24:57,151 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:24:57,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:24:57,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:24:57,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:24:57,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:24:57,152 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:24:57,152 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:24:57,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:24:57,153 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:24:57,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:24:57,153 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_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91c18909fa64fb894260d901851992225c0131b1 [2021-10-11 02:24:57,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:24:57,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:24:57,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:24:57,541 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:24:57,542 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:24:57,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2021-10-11 02:24:57,620 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/data/d76d0189c/b5fe3799058b40cdbfc6f1fee804e925/FLAG659315794 [2021-10-11 02:24:58,320 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:24:58,320 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2021-10-11 02:24:58,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/data/d76d0189c/b5fe3799058b40cdbfc6f1fee804e925/FLAG659315794 [2021-10-11 02:24:58,584 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/data/d76d0189c/b5fe3799058b40cdbfc6f1fee804e925 [2021-10-11 02:24:58,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:24:58,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:24:58,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:58,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:24:58,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:24:58,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:58" (1/1) ... [2021-10-11 02:24:58,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39584e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:58, skipping insertion in model container [2021-10-11 02:24:58,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:24:58" (1/1) ... [2021-10-11 02:24:58,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:24:58,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:24:59,450 WARN L226 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_b4424575-4d75-4089-82e4-126505f5c2e3/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i[42829,42842] [2021-10-11 02:24:59,454 WARN L226 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_b4424575-4d75-4089-82e4-126505f5c2e3/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i[42946,42959] [2021-10-11 02:24:59,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:59,482 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:24:59,525 WARN L226 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_b4424575-4d75-4089-82e4-126505f5c2e3/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i[42829,42842] [2021-10-11 02:24:59,526 WARN L226 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_b4424575-4d75-4089-82e4-126505f5c2e3/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i[42946,42959] [2021-10-11 02:24:59,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:24:59,946 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:24:59,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:59 WrapperNode [2021-10-11 02:24:59,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:24:59,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:24:59,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:24:59,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:24:59,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:59" (1/1) ... [2021-10-11 02:24:59,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:59" (1/1) ... [2021-10-11 02:25:00,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:00,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:25:00,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:25:00,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:25:00,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:59" (1/1) ... [2021-10-11 02:25:00,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:59" (1/1) ... [2021-10-11 02:25:00,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:59" (1/1) ... [2021-10-11 02:25:00,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:59" (1/1) ... [2021-10-11 02:25:00,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:59" (1/1) ... [2021-10-11 02:25:00,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:59" (1/1) ... [2021-10-11 02:25:00,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:59" (1/1) ... [2021-10-11 02:25:00,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:25:00,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:25:00,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:25:00,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:25:00,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:59" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:25:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:25:00,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:25:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:25:00,998 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:25:00,999 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-10-11 02:25:01,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:01 BoogieIcfgContainer [2021-10-11 02:25:01,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:25:01,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:25:01,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:25:01,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:25:01,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:24:58" (1/3) ... [2021-10-11 02:25:01,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a7b429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:01, skipping insertion in model container [2021-10-11 02:25:01,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:24:59" (2/3) ... [2021-10-11 02:25:01,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a7b429 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:01, skipping insertion in model container [2021-10-11 02:25:01,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:01" (3/3) ... [2021-10-11 02:25:01,009 INFO L111 eAbstractionObserver]: Analyzing ICFG float-rounding1.i [2021-10-11 02:25:01,023 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:25:01,026 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-10-11 02:25:01,037 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-11 02:25:01,063 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:25:01,063 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:25:01,063 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:25:01,064 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:25:01,064 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:25:01,064 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:25:01,064 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:25:01,064 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:25:01,078 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2021-10-11 02:25:01,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-11 02:25:01,083 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:01,083 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-11 02:25:01,084 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:01,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:01,089 INFO L82 PathProgramCache]: Analyzing trace with hash 889523607, now seen corresponding path program 1 times [2021-10-11 02:25:01,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:01,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1493355486] [2021-10-11 02:25:01,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:01,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:01,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:01,274 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:01,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1493355486] [2021-10-11 02:25:01,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:01,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:01,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298627274] [2021-10-11 02:25:01,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:01,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:01,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:01,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:01,296 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 3 states. [2021-10-11 02:25:01,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:01,384 INFO L93 Difference]: Finished difference Result 99 states and 138 transitions. [2021-10-11 02:25:01,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:01,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2021-10-11 02:25:01,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:01,395 INFO L225 Difference]: With dead ends: 99 [2021-10-11 02:25:01,395 INFO L226 Difference]: Without dead ends: 50 [2021-10-11 02:25:01,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:01,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-10-11 02:25:01,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 37. [2021-10-11 02:25:01,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-10-11 02:25:01,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2021-10-11 02:25:01,433 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 6 [2021-10-11 02:25:01,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:01,434 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2021-10-11 02:25:01,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:01,434 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2021-10-11 02:25:01,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 02:25:01,435 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:01,435 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:01,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:25:01,655 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:01,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:01,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1806855123, now seen corresponding path program 1 times [2021-10-11 02:25:01,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:01,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1042782731] [2021-10-11 02:25:01,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:01,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 02:25:01,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:01,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:01,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:01,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1042782731] [2021-10-11 02:25:01,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:01,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:01,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498927383] [2021-10-11 02:25:01,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:01,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:01,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:01,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:01,960 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand 5 states. [2021-10-11 02:25:02,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:02,820 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2021-10-11 02:25:02,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:25:02,821 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2021-10-11 02:25:02,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:02,822 INFO L225 Difference]: With dead ends: 46 [2021-10-11 02:25:02,822 INFO L226 Difference]: Without dead ends: 44 [2021-10-11 02:25:02,823 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:25:02,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-10-11 02:25:02,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 35. [2021-10-11 02:25:02,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 02:25:02,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2021-10-11 02:25:02,829 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 7 [2021-10-11 02:25:02,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:02,829 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2021-10-11 02:25:02,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:02,830 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2021-10-11 02:25:02,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 02:25:02,830 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:02,830 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:03,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:25:03,053 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:03,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:03,053 INFO L82 PathProgramCache]: Analyzing trace with hash 961369448, now seen corresponding path program 1 times [2021-10-11 02:25:03,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:03,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [474679064] [2021-10-11 02:25:03,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:03,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:03,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:03,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:03,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:03,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [474679064] [2021-10-11 02:25:03,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:03,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:03,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040185368] [2021-10-11 02:25:03,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:03,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:03,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:03,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:03,273 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. Second operand 3 states. [2021-10-11 02:25:03,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:03,341 INFO L93 Difference]: Finished difference Result 59 states and 69 transitions. [2021-10-11 02:25:03,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:03,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2021-10-11 02:25:03,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:03,342 INFO L225 Difference]: With dead ends: 59 [2021-10-11 02:25:03,342 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 02:25:03,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:03,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 02:25:03,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 02:25:03,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 02:25:03,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2021-10-11 02:25:03,351 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 11 [2021-10-11 02:25:03,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:03,351 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2021-10-11 02:25:03,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:03,352 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2021-10-11 02:25:03,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 02:25:03,352 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:03,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:03,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:25:03,553 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:03,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:03,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1557632932, now seen corresponding path program 1 times [2021-10-11 02:25:03,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:03,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1507211781] [2021-10-11 02:25:03,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:03,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 02:25:03,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:03,859 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:03,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1507211781] [2021-10-11 02:25:03,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:03,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:03,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464513801] [2021-10-11 02:25:03,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:03,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:03,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:03,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:03,861 INFO L87 Difference]: Start difference. First operand 35 states and 34 transitions. Second operand 5 states. [2021-10-11 02:25:04,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:04,402 INFO L93 Difference]: Finished difference Result 35 states and 34 transitions. [2021-10-11 02:25:04,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:25:04,402 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2021-10-11 02:25:04,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:04,403 INFO L225 Difference]: With dead ends: 35 [2021-10-11 02:25:04,403 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 02:25:04,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:25:04,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 02:25:04,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 02:25:04,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 02:25:04,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 32 transitions. [2021-10-11 02:25:04,408 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 32 transitions. Word has length 14 [2021-10-11 02:25:04,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:04,409 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 32 transitions. [2021-10-11 02:25:04,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:04,409 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 32 transitions. [2021-10-11 02:25:04,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:25:04,410 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:04,410 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:04,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:25:04,620 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:04,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:04,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1314857025, now seen corresponding path program 1 times [2021-10-11 02:25:04,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:04,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [886556540] [2021-10-11 02:25:04,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:04,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-11 02:25:04,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:04,925 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:25:04,927 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:25:05,998 WARN L197 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-10-11 02:25:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:06,079 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:06,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [886556540] [2021-10-11 02:25:06,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:06,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-11 02:25:06,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123846270] [2021-10-11 02:25:06,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-10-11 02:25:06,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:06,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-11 02:25:06,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:25:06,081 INFO L87 Difference]: Start difference. First operand 33 states and 32 transitions. Second operand 9 states. [2021-10-11 02:25:06,728 WARN L197 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-10-11 02:25:07,704 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2021-10-11 02:25:07,915 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2021-10-11 02:25:08,226 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2021-10-11 02:25:09,868 WARN L197 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 59 DAG size of output: 41 [2021-10-11 02:25:10,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:10,130 INFO L93 Difference]: Finished difference Result 33 states and 32 transitions. [2021-10-11 02:25:10,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 02:25:10,132 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2021-10-11 02:25:10,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:10,133 INFO L225 Difference]: With dead ends: 33 [2021-10-11 02:25:10,133 INFO L226 Difference]: Without dead ends: 31 [2021-10-11 02:25:10,134 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2021-10-11 02:25:10,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-11 02:25:10,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-11 02:25:10,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-10-11 02:25:10,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2021-10-11 02:25:10,139 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 23 [2021-10-11 02:25:10,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:10,140 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2021-10-11 02:25:10,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-10-11 02:25:10,140 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2021-10-11 02:25:10,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:25:10,141 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:10,142 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:10,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:25:10,356 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:10,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:10,356 INFO L82 PathProgramCache]: Analyzing trace with hash 240169883, now seen corresponding path program 1 times [2021-10-11 02:25:10,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:10,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [563905379] [2021-10-11 02:25:10,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:10,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-11 02:25:10,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:10,656 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:25:10,657 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-10-11 02:25:11,636 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-10-11 02:25:11,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:11,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:11,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [563905379] [2021-10-11 02:25:11,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:11,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-11 02:25:11,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464586665] [2021-10-11 02:25:11,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-10-11 02:25:11,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:11,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-11 02:25:11,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:25:11,689 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 9 states. [2021-10-11 02:25:12,620 WARN L197 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-10-11 02:25:13,517 WARN L197 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-10-11 02:25:15,089 WARN L197 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 42 DAG size of output: 34 [2021-10-11 02:25:16,747 WARN L197 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 53 [2021-10-11 02:25:18,464 WARN L197 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 59 DAG size of output: 41 [2021-10-11 02:25:18,753 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2021-10-11 02:25:18,979 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2021-10-11 02:25:19,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:19,129 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2021-10-11 02:25:19,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 02:25:19,133 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2021-10-11 02:25:19,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:19,136 INFO L225 Difference]: With dead ends: 31 [2021-10-11 02:25:19,137 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:25:19,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-10-11 02:25:19,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:25:19,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:25:19,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:25:19,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:25:19,139 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2021-10-11 02:25:19,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:19,139 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:25:19,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-10-11 02:25:19,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:25:19,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:25:19,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2021-10-11 02:25:19,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:25:20,515 WARN L197 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 78 DAG size of output: 38 [2021-10-11 02:25:20,520 INFO L262 CegarLoopResult]: For program point L2-1(lines 2 4) no Hoare annotation was computed. [2021-10-11 02:25:20,521 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1110) no Hoare annotation was computed. [2021-10-11 02:25:20,521 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2021-10-11 02:25:20,521 INFO L262 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2021-10-11 02:25:20,521 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,521 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,521 INFO L262 CegarLoopResult]: For program point L1110(line 1110) no Hoare annotation was computed. [2021-10-11 02:25:20,522 INFO L262 CegarLoopResult]: For program point L1110-1(line 1110) no Hoare annotation was computed. [2021-10-11 02:25:20,522 INFO L258 CegarLoopResult]: At program point L1110-3(lines 1097 1113) the Hoare annotation is: (and (exists ((ULTIMATE.start_roundingTest_~f1 (_ FloatingPoint 8 24)) (ULTIMATE.start_roundingTest_~f2 (_ FloatingPoint 8 24)) (v_prenex_4 RoundingMode)) (and (fp.lt ((_ to_fp 8 24) v_prenex_4 (/ 12582911.0 140737488355328.0)) ULTIMATE.start_roundingTest_~f2) (fp.lt ((_ to_fp 8 24) v_prenex_4 (/ 16777215.0 16777216.0)) ULTIMATE.start_roundingTest_~f1) (= (fp.add currentRoundingMode ULTIMATE.start_roundingTest_~f1 ULTIMATE.start_roundingTest_~f2) ULTIMATE.start_roundingTest_~roundDownSum~0) (fp.lt ULTIMATE.start_roundingTest_~f1 ((_ to_fp 8 24) v_prenex_4 (/ 8388609.0 8388608.0))) (fp.lt ULTIMATE.start_roundingTest_~f2 ((_ to_fp 8 24) v_prenex_4 (/ 12582913.0 140737488355328.0))))) (= currentRoundingMode roundTowardNegative) (= (_ bv1024 32) ULTIMATE.start_ULTIMATE.setCurrentRoundingMode_i) (exists ((v_prenex_2 RoundingMode)) (and (= ULTIMATE.start_roundingTest_~f1 ((_ to_fp 8 24) v_prenex_2 ((_ to_fp 11 53) v_prenex_2 1.0))) (= ULTIMATE.start_roundingTest_~f2 ((_ to_fp 8 24) v_prenex_2 ((_ to_fp 11 53) v_prenex_2 (/ 3.0 33554432.0))))))) [2021-10-11 02:25:20,522 INFO L262 CegarLoopResult]: For program point L1110-4(line 1110) no Hoare annotation was computed. [2021-10-11 02:25:20,522 INFO L262 CegarLoopResult]: For program point L1110-5(line 1110) no Hoare annotation was computed. [2021-10-11 02:25:20,522 INFO L265 CegarLoopResult]: At program point L1110-7(lines 1097 1113) the Hoare annotation is: true [2021-10-11 02:25:20,522 INFO L265 CegarLoopResult]: At program point L1135(lines 1116 1136) the Hoare annotation is: true [2021-10-11 02:25:20,522 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 1110) no Hoare annotation was computed. [2021-10-11 02:25:20,522 INFO L262 CegarLoopResult]: For program point L1103(line 1103) no Hoare annotation was computed. [2021-10-11 02:25:20,522 INFO L262 CegarLoopResult]: For program point L1103-1(line 1103) no Hoare annotation was computed. [2021-10-11 02:25:20,522 INFO L262 CegarLoopResult]: For program point L1103-3(line 1103) no Hoare annotation was computed. [2021-10-11 02:25:20,522 INFO L262 CegarLoopResult]: For program point L1103-4(line 1103) no Hoare annotation was computed. [2021-10-11 02:25:20,523 INFO L262 CegarLoopResult]: For program point L1103-5(line 1103) no Hoare annotation was computed. [2021-10-11 02:25:20,523 INFO L262 CegarLoopResult]: For program point L1103-7(line 1103) no Hoare annotation was computed. [2021-10-11 02:25:20,523 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,523 INFO L262 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,523 INFO L262 CegarLoopResult]: For program point L-1-3(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,523 INFO L262 CegarLoopResult]: For program point L-1-5(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,523 INFO L262 CegarLoopResult]: For program point L-1-7(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,523 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1103) no Hoare annotation was computed. [2021-10-11 02:25:20,523 INFO L262 CegarLoopResult]: For program point L-1-9(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,523 INFO L262 CegarLoopResult]: For program point L-1-10(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,523 INFO L262 CegarLoopResult]: For program point L-1-12(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,523 INFO L262 CegarLoopResult]: For program point L-1-14(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,523 INFO L262 CegarLoopResult]: For program point L-1-16(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,523 INFO L262 CegarLoopResult]: For program point L-1-18(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,523 INFO L262 CegarLoopResult]: For program point L-1-19(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,523 INFO L262 CegarLoopResult]: For program point L-1-21(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,523 INFO L262 CegarLoopResult]: For program point L-1-23(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,524 INFO L262 CegarLoopResult]: For program point L-1-25(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,524 INFO L262 CegarLoopResult]: For program point L-1-27(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,524 INFO L262 CegarLoopResult]: For program point L-1-28(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,524 INFO L262 CegarLoopResult]: For program point L-1-30(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,524 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,524 INFO L262 CegarLoopResult]: For program point L-1-32(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,524 INFO L262 CegarLoopResult]: For program point L-1-34(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,524 INFO L262 CegarLoopResult]: For program point L-1-36(line -1) no Hoare annotation was computed. [2021-10-11 02:25:20,525 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1103) no Hoare annotation was computed. [2021-10-11 02:25:20,525 INFO L262 CegarLoopResult]: For program point L2(lines 2 4) no Hoare annotation was computed. [2021-10-11 02:25:20,530 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2021-10-11 02:25:20,531 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f2,QUANTIFIED] [2021-10-11 02:25:20,532 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2021-10-11 02:25:20,532 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f1,QUANTIFIED] [2021-10-11 02:25:20,532 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f1,QUANTIFIED] [2021-10-11 02:25:20,532 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f2,QUANTIFIED] [2021-10-11 02:25:20,532 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f1,QUANTIFIED] [2021-10-11 02:25:20,533 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2021-10-11 02:25:20,533 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f2,QUANTIFIED] [2021-10-11 02:25:20,533 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2021-10-11 02:25:20,536 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardNegative [2021-10-11 02:25:20,536 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2021-10-11 02:25:20,536 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2021-10-11 02:25:20,536 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2021-10-11 02:25:20,536 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2021-10-11 02:25:20,541 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2021-10-11 02:25:20,542 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f2,QUANTIFIED] [2021-10-11 02:25:20,542 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2021-10-11 02:25:20,542 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f1,QUANTIFIED] [2021-10-11 02:25:20,542 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f1,QUANTIFIED] [2021-10-11 02:25:20,543 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f2,QUANTIFIED] [2021-10-11 02:25:20,543 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f1,QUANTIFIED] [2021-10-11 02:25:20,543 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2021-10-11 02:25:20,543 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f2,QUANTIFIED] [2021-10-11 02:25:20,543 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2021-10-11 02:25:20,543 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardNegative [2021-10-11 02:25:20,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2021-10-11 02:25:20,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2021-10-11 02:25:20,544 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2021-10-11 02:25:20,546 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2021-10-11 02:25:20,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:25:20 BoogieIcfgContainer [2021-10-11 02:25:20,548 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:25:20,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:25:20,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:25:20,549 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:25:20,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:01" (3/4) ... [2021-10-11 02:25:20,560 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:25:20,571 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2021-10-11 02:25:20,572 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-10-11 02:25:20,572 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-11 02:25:20,572 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:25:20,597 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists ULTIMATE.start_roundingTest_~f1 : C_FLOAT, ULTIMATE.start_roundingTest_~f2 : C_FLOAT, v_prenex_4 : FloatRoundingMode :: (((~fp.lt~FLOAT(~to_fp~LONGDOUBLE(v_prenex_4, 12582911/140737488355328), ULTIMATE.start_roundingTest_~f2) && ~fp.lt~FLOAT(~to_fp~LONGDOUBLE(v_prenex_4, 16777215/16777216), ULTIMATE.start_roundingTest_~f1)) && ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start_roundingTest_~f1, ULTIMATE.start_roundingTest_~f2) == roundDownSum) && ~fp.lt~FLOAT(ULTIMATE.start_roundingTest_~f1, ~to_fp~LONGDOUBLE(v_prenex_4, 8388609/8388608))) && ~fp.lt~FLOAT(ULTIMATE.start_roundingTest_~f2, ~to_fp~LONGDOUBLE(v_prenex_4, 12582913/140737488355328))) && unknown-currentRoundingMode-unknown == ~roundTowardNegative) && 1024bv32 == unknown-i-unknown) && (\exists v_prenex_2 : FloatRoundingMode :: f1 == ~to_fp~LONGDOUBLE(v_prenex_2, ~to_fp~LONGDOUBLE(v_prenex_2, 1.0)) && f2 == ~to_fp~LONGDOUBLE(v_prenex_2, ~to_fp~LONGDOUBLE(v_prenex_2, 3/33554432))) [2021-10-11 02:25:20,618 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4424575-4d75-4089-82e4-126505f5c2e3/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:25:20,618 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:25:20,620 INFO L168 Benchmark]: Toolchain (without parser) took 22030.73 ms. Allocated memory was 48.2 MB in the beginning and 88.1 MB in the end (delta: 39.8 MB). Free memory was 32.0 MB in the beginning and 49.5 MB in the end (delta: -17.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:20,620 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 48.2 MB. Free memory was 28.5 MB in the beginning and 28.5 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:20,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1354.57 ms. Allocated memory was 48.2 MB in the beginning and 73.4 MB in the end (delta: 25.2 MB). Free memory was 31.8 MB in the beginning and 44.7 MB in the end (delta: -12.9 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:20,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.54 ms. Allocated memory is still 73.4 MB. Free memory was 44.7 MB in the beginning and 41.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:20,622 INFO L168 Benchmark]: Boogie Preprocessor took 52.20 ms. Allocated memory is still 73.4 MB. Free memory was 41.7 MB in the beginning and 40.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:20,623 INFO L168 Benchmark]: RCFGBuilder took 910.11 ms. Allocated memory is still 73.4 MB. Free memory was 40.0 MB in the beginning and 40.2 MB in the end (delta: -182.3 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:20,623 INFO L168 Benchmark]: TraceAbstraction took 19546.26 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 39.9 MB in the beginning and 52.5 MB in the end (delta: -12.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:20,624 INFO L168 Benchmark]: Witness Printer took 69.61 ms. Allocated memory is still 88.1 MB. Free memory was 52.5 MB in the beginning and 49.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:20,627 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 48.2 MB. Free memory was 28.5 MB in the beginning and 28.5 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1354.57 ms. Allocated memory was 48.2 MB in the beginning and 73.4 MB in the end (delta: 25.2 MB). Free memory was 31.8 MB in the beginning and 44.7 MB in the end (delta: -12.9 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.54 ms. Allocated memory is still 73.4 MB. Free memory was 44.7 MB in the beginning and 41.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.20 ms. Allocated memory is still 73.4 MB. Free memory was 41.7 MB in the beginning and 40.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 910.11 ms. Allocated memory is still 73.4 MB. Free memory was 40.0 MB in the beginning and 40.2 MB in the end (delta: -182.3 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19546.26 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 39.9 MB in the beginning and 52.5 MB in the end (delta: -12.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. * Witness Printer took 69.61 ms. Allocated memory is still 88.1 MB. Free memory was 52.5 MB in the beginning and 49.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardNegative - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardNegative - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1110]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1110]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1103]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1103]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1097]: Loop Invariant [2021-10-11 02:25:20,640 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2021-10-11 02:25:20,640 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f2,QUANTIFIED] [2021-10-11 02:25:20,640 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2021-10-11 02:25:20,640 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f1,QUANTIFIED] [2021-10-11 02:25:20,640 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f1,QUANTIFIED] [2021-10-11 02:25:20,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f2,QUANTIFIED] [2021-10-11 02:25:20,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f1,QUANTIFIED] [2021-10-11 02:25:20,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2021-10-11 02:25:20,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f2,QUANTIFIED] [2021-10-11 02:25:20,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2021-10-11 02:25:20,641 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardNegative [2021-10-11 02:25:20,642 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2021-10-11 02:25:20,642 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2021-10-11 02:25:20,642 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2021-10-11 02:25:20,642 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2021-10-11 02:25:20,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2021-10-11 02:25:20,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f2,QUANTIFIED] [2021-10-11 02:25:20,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2021-10-11 02:25:20,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f1,QUANTIFIED] [2021-10-11 02:25:20,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f1,QUANTIFIED] [2021-10-11 02:25:20,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f2,QUANTIFIED] [2021-10-11 02:25:20,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f1,QUANTIFIED] [2021-10-11 02:25:20,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2021-10-11 02:25:20,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_roundingTest_~f2,QUANTIFIED] [2021-10-11 02:25:20,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2021-10-11 02:25:20,645 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardNegative [2021-10-11 02:25:20,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2021-10-11 02:25:20,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2021-10-11 02:25:20,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] [2021-10-11 02:25:20,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_2,QUANTIFIED] Derived loop invariant: (((\exists ULTIMATE.start_roundingTest_~f1 : C_FLOAT, ULTIMATE.start_roundingTest_~f2 : C_FLOAT, v_prenex_4 : FloatRoundingMode :: (((~fp.lt~FLOAT(~to_fp~LONGDOUBLE(v_prenex_4, 12582911/140737488355328), ULTIMATE.start_roundingTest_~f2) && ~fp.lt~FLOAT(~to_fp~LONGDOUBLE(v_prenex_4, 16777215/16777216), ULTIMATE.start_roundingTest_~f1)) && ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start_roundingTest_~f1, ULTIMATE.start_roundingTest_~f2) == roundDownSum) && ~fp.lt~FLOAT(ULTIMATE.start_roundingTest_~f1, ~to_fp~LONGDOUBLE(v_prenex_4, 8388609/8388608))) && ~fp.lt~FLOAT(ULTIMATE.start_roundingTest_~f2, ~to_fp~LONGDOUBLE(v_prenex_4, 12582913/140737488355328))) && unknown-currentRoundingMode-unknown == ~roundTowardNegative) && 1024bv32 == unknown-i-unknown) && (\exists v_prenex_2 : FloatRoundingMode :: f1 == ~to_fp~LONGDOUBLE(v_prenex_2, ~to_fp~LONGDOUBLE(v_prenex_2, 1.0)) && f2 == ~to_fp~LONGDOUBLE(v_prenex_2, ~to_fp~LONGDOUBLE(v_prenex_2, 3/33554432))) - InvariantResult [Line: 1097]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1116]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 194 SDtfs, 256 SDslu, 148 SDs, 0 SdLazy, 234 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 11.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 22 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 8 NumberOfFragments, 53 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 111 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 85 ConstructedInterpolants, 34 QuantifiedInterpolants, 20316 SizeOfPredicates, 44 NumberOfNonLiveVariables, 271 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...