./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.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_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/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_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/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_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/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 750a1ab7397e44f2b5a951260f4479cbcd135f37 .................................................................................................................................................................................... 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_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/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_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/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_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/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 750a1ab7397e44f2b5a951260f4479cbcd135f37 ..................................................................................................................................................................................................................................................................................... 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 02:25:47,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:47,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:48,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:48,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:48,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:48,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:48,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:48,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:48,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:48,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:48,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:48,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:48,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:48,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:48,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:48,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:48,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:48,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:48,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:48,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:48,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:48,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:48,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:48,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:48,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:48,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:48,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:48,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:48,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:48,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:48,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:48,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:48,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:48,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:48,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:48,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:48,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:48,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:48,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:48,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:48,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:25:48,110 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:48,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:48,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:48,111 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:48,112 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:48,112 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:48,112 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:25:48,113 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:48,113 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:48,113 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:25:48,114 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:25:48,114 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:48,114 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:25:48,114 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:25:48,115 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:25:48,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:48,116 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:48,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:48,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:48,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:48,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:48,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:48,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:48,117 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:48,118 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:48,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:48,118 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:48,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:48,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:48,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:48,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:48,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:48,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:48,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:48,120 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:25:48,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:25:48,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:48,120 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:48,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:48,121 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_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 750a1ab7397e44f2b5a951260f4479cbcd135f37 [2021-10-11 02:25:48,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:48,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:48,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:48,442 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:48,443 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:48,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2021-10-11 02:25:48,548 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI/data/6b5a381c3/9df7951f28244066af889ba180ba612e/FLAG772a9e834 [2021-10-11 02:25:49,044 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:49,058 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2021-10-11 02:25:49,072 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI/data/6b5a381c3/9df7951f28244066af889ba180ba612e/FLAG772a9e834 [2021-10-11 02:25:49,345 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI/data/6b5a381c3/9df7951f28244066af889ba180ba612e [2021-10-11 02:25:49,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:49,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:49,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:49,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:49,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:49,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:49" (1/1) ... [2021-10-11 02:25:49,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2960dfaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:49, skipping insertion in model container [2021-10-11 02:25:49,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:49" (1/1) ... [2021-10-11 02:25:49,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:49,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:49,985 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1710) 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:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:706) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:707) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2343) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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 02:25:49,992 INFO L168 Benchmark]: Toolchain (without parser) took 641.31 ms. Allocated memory is still 119.5 MB. Free memory was 83.4 MB in the beginning and 94.0 MB in the end (delta: -10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:49,993 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 119.5 MB. Free memory was 93.8 MB in the beginning and 93.7 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:49,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.94 ms. Allocated memory is still 119.5 MB. Free memory was 83.2 MB in the beginning and 94.0 MB in the end (delta: -10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:49,997 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 119.5 MB. Free memory was 93.8 MB in the beginning and 93.7 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 632.94 ms. Allocated memory is still 119.5 MB. Free memory was 83.2 MB in the beginning and 94.0 MB in the end (delta: -10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:25:52,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:52,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:52,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:52,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:52,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:52,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:52,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:52,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:52,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:52,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:52,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:52,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:52,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:52,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:52,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:52,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:52,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:52,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:52,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:52,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:52,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:52,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:52,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:52,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:52,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:52,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:52,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:52,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:52,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:52,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:52,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:52,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:52,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:52,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:52,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:52,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:52,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:52,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:52,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:52,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:52,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:25:52,330 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:52,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:52,331 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:52,332 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:52,332 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:52,332 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:52,332 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:52,332 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:52,333 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:52,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:52,335 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:52,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:52,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:52,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:52,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:52,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:52,337 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:52,337 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:25:52,337 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:25:52,337 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:52,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:52,338 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:52,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:52,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:52,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:25:52,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:52,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:52,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:52,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:52,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:52,340 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:25:52,340 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:52,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:52,340 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:52,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:52,341 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_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 750a1ab7397e44f2b5a951260f4479cbcd135f37 [2021-10-11 02:25:52,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:52,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:52,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:52,709 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:52,710 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:52,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2021-10-11 02:25:52,780 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI/data/31a1937d5/6ad384cee7d54fadb532c2a552ffe629/FLAGf40b5ec60 [2021-10-11 02:25:53,503 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:53,504 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2021-10-11 02:25:53,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI/data/31a1937d5/6ad384cee7d54fadb532c2a552ffe629/FLAGf40b5ec60 [2021-10-11 02:25:53,753 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI/data/31a1937d5/6ad384cee7d54fadb532c2a552ffe629 [2021-10-11 02:25:53,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:53,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:53,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:53,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:53,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:53,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:53" (1/1) ... [2021-10-11 02:25:53,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b01898d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:53, skipping insertion in model container [2021-10-11 02:25:53,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:53" (1/1) ... [2021-10-11 02:25:53,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:53,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:54,382 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_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i[41018,41031] [2021-10-11 02:25:54,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:54,403 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:25:54,441 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_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i[41018,41031] [2021-10-11 02:25:54,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:54,809 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:25:54,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:54 WrapperNode [2021-10-11 02:25:54,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:54,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:54,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:25:54,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:25:54,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:54" (1/1) ... [2021-10-11 02:25:54,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:54" (1/1) ... [2021-10-11 02:25:54,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:54,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:25:54,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:25:54,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:25:54,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:54" (1/1) ... [2021-10-11 02:25:54,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:54" (1/1) ... [2021-10-11 02:25:54,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:54" (1/1) ... [2021-10-11 02:25:54,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:54" (1/1) ... [2021-10-11 02:25:54,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:54" (1/1) ... [2021-10-11 02:25:54,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:54" (1/1) ... [2021-10-11 02:25:54,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:54" (1/1) ... [2021-10-11 02:25:54,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:25:54,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:25:54,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:25:54,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:25:54,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:54" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/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 02:25:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:25:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:25:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:25:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:25:55,582 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:25:55,582 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-11 02:25:55,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:55 BoogieIcfgContainer [2021-10-11 02:25:55,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:25:55,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:25:55,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:25:55,595 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:25:55,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:25:53" (1/3) ... [2021-10-11 02:25:55,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46c10a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:55, skipping insertion in model container [2021-10-11 02:25:55,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:54" (2/3) ... [2021-10-11 02:25:55,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46c10a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:55, skipping insertion in model container [2021-10-11 02:25:55,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:55" (3/3) ... [2021-10-11 02:25:55,598 INFO L111 eAbstractionObserver]: Analyzing ICFG float-to-double1.i [2021-10-11 02:25:55,612 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:25:55,615 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:25:55,625 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:25:55,660 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:25:55,660 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:25:55,661 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:25:55,661 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:25:55,661 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:25:55,661 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:25:55,661 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:25:55,662 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:25:55,674 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2021-10-11 02:25:55,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 02:25:55,685 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:55,686 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 02:25:55,686 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:55,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:55,692 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-10-11 02:25:55,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:55,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1883576958] [2021-10-11 02:25:55,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/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 02:25:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:55,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:25:55,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:26:03,993 WARN L197 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 6 [2021-10-11 02:26:06,028 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:26:16,109 WARN L838 $PredicateComparison]: unable to prove that (or (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven ULTIMATE.start_main_~f~0)))) (and (not (fp.eq ULTIMATE.start_main_~f~0 .cse0)) (not (fp.isNaN .cse0))))) (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 8 24))) (and (not (fp.eq ULTIMATE.start_main_~f~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven ULTIMATE.start_main_~f~0)))) (not (fp.isNaN ULTIMATE.start_main_~f~0))))) is different from false [2021-10-11 02:26:18,137 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven ULTIMATE.start_main_~f~0)))) (and (not (fp.eq ULTIMATE.start_main_~f~0 .cse0)) (not (fp.isNaN .cse0))))) (exists ((ULTIMATE.start_main_~f~0 (_ FloatingPoint 8 24))) (and (not (fp.eq ULTIMATE.start_main_~f~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven ULTIMATE.start_main_~f~0)))) (not (fp.isNaN ULTIMATE.start_main_~f~0))))) is different from true [2021-10-11 02:26:18,139 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 02:26:18,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:26:18,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1883576958] [2021-10-11 02:26:18,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:26:18,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:26:18,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875897792] [2021-10-11 02:26:18,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:26:18,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:26:18,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:26:18,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=7, Unknown=2, NotChecked=4, Total=20 [2021-10-11 02:26:18,161 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 5 states. [2021-10-11 02:26:22,182 WARN L860 $PredicateComparison]: unable to prove that (and (= c_currentRoundingMode roundNearestTiesToEven) (= c_ULTIMATE.start_main_~ff~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven c_ULTIMATE.start_main_~f~0)))) is different from true [2021-10-11 02:26:22,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:22,184 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2021-10-11 02:26:22,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:26:22,185 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2021-10-11 02:26:22,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:22,191 INFO L225 Difference]: With dead ends: 11 [2021-10-11 02:26:22,191 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:26:22,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=9, Invalid=8, Unknown=3, NotChecked=10, Total=30 [2021-10-11 02:26:22,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:26:22,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:26:22,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:26:22,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:26:22,217 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-10-11 02:26:22,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:22,217 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:26:22,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:22,218 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:26:22,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:26:22,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:26:22,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:26:22,423 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:26:22,423 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:26:22,423 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:26:22,423 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:26:22,424 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2021-10-11 02:26:22,424 INFO L262 CegarLoopResult]: For program point L976(line 976) no Hoare annotation was computed. [2021-10-11 02:26:22,424 INFO L262 CegarLoopResult]: For program point L976-1(line 976) no Hoare annotation was computed. [2021-10-11 02:26:22,424 INFO L262 CegarLoopResult]: For program point L969(lines 969 977) no Hoare annotation was computed. [2021-10-11 02:26:22,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:26:22 BoogieIcfgContainer [2021-10-11 02:26:22,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:26:22,430 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:26:22,430 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:26:22,430 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:26:22,431 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:55" (3/4) ... [2021-10-11 02:26:22,438 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:26:22,447 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-11 02:26:22,447 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-11 02:26:22,447 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:26:22,447 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:26:22,474 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b823d3a-4c80-4b12-acb9-ed87bf09f7ee/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:26:22,475 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:26:22,480 INFO L168 Benchmark]: Toolchain (without parser) took 28719.10 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 43.0 MB in the beginning and 44.8 MB in the end (delta: -1.8 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:22,481 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 65.0 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:22,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1052.58 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 42.8 MB in the beginning and 51.6 MB in the end (delta: -8.8 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:22,484 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.32 ms. Allocated memory is still 79.7 MB. Free memory was 51.6 MB in the beginning and 48.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:22,486 INFO L168 Benchmark]: Boogie Preprocessor took 53.32 ms. Allocated memory is still 79.7 MB. Free memory was 48.9 MB in the beginning and 48.1 MB in the end (delta: 724.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:22,487 INFO L168 Benchmark]: RCFGBuilder took 647.24 ms. Allocated memory is still 79.7 MB. Free memory was 48.1 MB in the beginning and 36.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:22,490 INFO L168 Benchmark]: TraceAbstraction took 26843.84 ms. Allocated memory is still 79.7 MB. Free memory was 35.6 MB in the beginning and 47.1 MB in the end (delta: -11.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:22,491 INFO L168 Benchmark]: Witness Printer took 45.49 ms. Allocated memory is still 79.7 MB. Free memory was 47.1 MB in the beginning and 44.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:22,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 65.0 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1052.58 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 42.8 MB in the beginning and 51.6 MB in the end (delta: -8.8 MB). Peak memory consumption was 35.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.32 ms. Allocated memory is still 79.7 MB. Free memory was 51.6 MB in the beginning and 48.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.32 ms. Allocated memory is still 79.7 MB. Free memory was 48.9 MB in the beginning and 48.1 MB in the end (delta: 724.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 647.24 ms. Allocated memory is still 79.7 MB. Free memory was 48.1 MB in the beginning and 36.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 26843.84 ms. Allocated memory is still 79.7 MB. Free memory was 35.6 MB in the beginning and 47.1 MB in the end (delta: -11.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 45.49 ms. Allocated memory is still 79.7 MB. Free memory was 47.1 MB in the beginning and 44.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 976]: 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 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 SDtfs, 1 SDslu, 5 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 22.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 1 QuantifiedInterpolants, 123 SizeOfPredicates, 4 NumberOfNonLiveVariables, 24 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...