./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fmin.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmin.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc8555223aa5d0d7f873bb580a0c7f93c96c2452 .............................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fmin.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc8555223aa5d0d7f873bb580a0c7f93c96c2452 ....................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:36:46,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:36:46,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:36:46,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:36:46,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:36:46,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:36:46,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:36:46,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:36:46,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:36:46,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:36:46,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:36:46,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:36:46,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:36:46,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:36:46,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:36:46,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:36:46,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:36:46,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:36:46,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:36:46,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:36:46,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:36:46,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:36:46,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:36:46,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:36:46,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:36:46,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:36:46,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:36:46,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:36:46,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:36:46,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:36:46,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:36:46,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:36:46,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:36:46,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:36:46,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:36:46,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:36:46,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:36:46,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:36:46,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:36:46,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:36:46,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:36:46,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:36:46,746 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:36:46,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:36:46,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:36:46,748 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:36:46,748 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:36:46,748 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:36:46,748 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:36:46,748 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:36:46,749 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:36:46,749 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:36:46,750 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:36:46,750 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:36:46,751 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:36:46,751 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:36:46,751 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:36:46,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:36:46,752 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:36:46,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:36:46,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:36:46,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:36:46,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:36:46,753 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:36:46,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:36:46,754 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:36:46,754 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:36:46,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:36:46,754 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:36:46,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:36:46,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:36:46,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:36:46,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:36:46,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:36:46,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:36:46,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:36:46,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:36:46,758 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:36:46,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:36:46,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:36:46,758 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:36:46,759 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:36:46,759 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc8555223aa5d0d7f873bb580a0c7f93c96c2452 [2020-11-28 07:36:47,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:36:47,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:36:47,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:36:47,150 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:36:47,151 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:36:47,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/fmin.i [2020-11-28 07:36:47,234 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/data/086db0736/5397faa579af448ca874b0853b44f10c/FLAG5f7ac0587 [2020-11-28 07:36:47,861 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:36:47,862 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/sv-benchmarks/c/floats-esbmc-regression/fmin.i [2020-11-28 07:36:47,885 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/data/086db0736/5397faa579af448ca874b0853b44f10c/FLAG5f7ac0587 [2020-11-28 07:36:48,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/data/086db0736/5397faa579af448ca874b0853b44f10c [2020-11-28 07:36:48,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:36:48,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:36:48,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:36:48,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:36:48,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:36:48,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:48" (1/1) ... [2020-11-28 07:36:48,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7688be73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:48, skipping insertion in model container [2020-11-28 07:36:48,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:48" (1/1) ... [2020-11-28 07:36:48,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:36:48,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:36:48,807 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: fmin at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:1698) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:705) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1352) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1045) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1423) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-28 07:36:48,812 INFO L168 Benchmark]: Toolchain (without parser) took 665.73 ms. Allocated memory is still 88.1 MB. Free memory was 55.1 MB in the beginning and 64.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:48,813 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 88.1 MB. Free memory was 46.8 MB in the beginning and 46.8 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:36:48,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.54 ms. Allocated memory is still 88.1 MB. Free memory was 54.7 MB in the beginning and 64.5 MB in the end (delta: -9.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:48,816 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 88.1 MB. Free memory was 46.8 MB in the beginning and 46.8 MB in the end (delta: 35.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 662.54 ms. Allocated memory is still 88.1 MB. Free memory was 54.7 MB in the beginning and 64.5 MB in the end (delta: -9.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fmin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fmin: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:36:51,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:36:51,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:36:51,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:36:51,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:36:51,094 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:36:51,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:36:51,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:36:51,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:36:51,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:36:51,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:36:51,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:36:51,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:36:51,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:36:51,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:36:51,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:36:51,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:36:51,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:36:51,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:36:51,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:36:51,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:36:51,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:36:51,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:36:51,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:36:51,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:36:51,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:36:51,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:36:51,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:36:51,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:36:51,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:36:51,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:36:51,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:36:51,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:36:51,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:36:51,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:36:51,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:36:51,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:36:51,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:36:51,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:36:51,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:36:51,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:36:51,182 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:36:51,229 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:36:51,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:36:51,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:36:51,231 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:36:51,232 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:36:51,232 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:36:51,232 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:36:51,232 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:36:51,233 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:36:51,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:36:51,235 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:36:51,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:36:51,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:36:51,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:36:51,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:36:51,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:36:51,237 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:36:51,237 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:36:51,237 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:36:51,238 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:36:51,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:36:51,238 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:36:51,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:36:51,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:36:51,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:36:51,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:36:51,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:36:51,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:36:51,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:36:51,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:36:51,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:36:51,240 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:36:51,241 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:36:51,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:36:51,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:36:51,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:36:51,242 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc8555223aa5d0d7f873bb580a0c7f93c96c2452 [2020-11-28 07:36:51,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:36:51,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:36:51,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:36:51,645 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:36:51,648 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:36:51,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/fmin.i [2020-11-28 07:36:51,730 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/data/984dbe918/51271488fbd6471780c1af17179bb568/FLAG33cbee302 [2020-11-28 07:36:52,343 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:36:52,343 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/sv-benchmarks/c/floats-esbmc-regression/fmin.i [2020-11-28 07:36:52,363 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/data/984dbe918/51271488fbd6471780c1af17179bb568/FLAG33cbee302 [2020-11-28 07:36:52,617 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/data/984dbe918/51271488fbd6471780c1af17179bb568 [2020-11-28 07:36:52,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:36:52,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:36:52,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:36:52,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:36:52,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:36:52,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:52" (1/1) ... [2020-11-28 07:36:52,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d54c028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:52, skipping insertion in model container [2020-11-28 07:36:52,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:36:52" (1/1) ... [2020-11-28 07:36:52,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:36:52,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:36:53,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:36:53,157 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:36:53,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:36:53,562 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:36:53,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:53 WrapperNode [2020-11-28 07:36:53,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:36:53,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:36:53,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:36:53,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:36:53,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:53" (1/1) ... [2020-11-28 07:36:53,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:53" (1/1) ... [2020-11-28 07:36:53,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:36:53,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:36:53,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:36:53,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:36:53,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:53" (1/1) ... [2020-11-28 07:36:53,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:53" (1/1) ... [2020-11-28 07:36:53,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:53" (1/1) ... [2020-11-28 07:36:53,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:53" (1/1) ... [2020-11-28 07:36:53,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:53" (1/1) ... [2020-11-28 07:36:53,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:53" (1/1) ... [2020-11-28 07:36:53,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:53" (1/1) ... [2020-11-28 07:36:53,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:36:53,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:36:53,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:36:53,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:36:53,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/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 [2020-11-28 07:36:53,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:36:53,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:36:53,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:36:53,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:36:54,325 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:36:54,326 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-11-28 07:36:54,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:36:54 BoogieIcfgContainer [2020-11-28 07:36:54,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:36:54,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:36:54,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:36:54,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:36:54,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:36:52" (1/3) ... [2020-11-28 07:36:54,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328bf305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:36:54, skipping insertion in model container [2020-11-28 07:36:54,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:36:53" (2/3) ... [2020-11-28 07:36:54,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328bf305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:36:54, skipping insertion in model container [2020-11-28 07:36:54,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:36:54" (3/3) ... [2020-11-28 07:36:54,337 INFO L111 eAbstractionObserver]: Analyzing ICFG fmin.i [2020-11-28 07:36:54,349 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:36:54,353 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-28 07:36:54,365 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-28 07:36:54,398 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:36:54,399 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:36:54,399 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:36:54,399 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:36:54,399 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:36:54,399 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:36:54,408 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:36:54,408 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:36:54,422 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-11-28 07:36:54,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 07:36:54,427 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:36:54,428 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-28 07:36:54,428 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:36:54,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:36:54,435 INFO L82 PathProgramCache]: Analyzing trace with hash 889506790, now seen corresponding path program 1 times [2020-11-28 07:36:54,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:36:54,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [73792191] [2020-11-28 07:36:54,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/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 [2020-11-28 07:36:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:36:54,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 07:36:54,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:36:54,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:36:54,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:36:54,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:36:54,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [73792191] [2020-11-28 07:36:54,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:36:54,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 07:36:54,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192904082] [2020-11-28 07:36:54,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:36:54,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:36:54,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:36:54,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:36:54,671 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 4 states. [2020-11-28 07:36:54,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:36:54,748 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2020-11-28 07:36:54,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:36:54,750 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-11-28 07:36:54,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:36:54,756 INFO L225 Difference]: With dead ends: 41 [2020-11-28 07:36:54,756 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:36:54,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:36:54,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:36:54,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:36:54,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:36:54,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:36:54,784 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2020-11-28 07:36:54,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:36:54,785 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:36:54,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:36:54,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:36:54,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:36:55,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:36:55,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:36:55,076 INFO L274 CegarLoopResult]: For program point L877-12(line 877) no Hoare annotation was computed. [2020-11-28 07:36:55,076 INFO L274 CegarLoopResult]: For program point L877-14(line 877) no Hoare annotation was computed. [2020-11-28 07:36:55,076 INFO L274 CegarLoopResult]: For program point L877-15(line 877) no Hoare annotation was computed. [2020-11-28 07:36:55,077 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-28 07:36:55,077 INFO L274 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-11-28 07:36:55,077 INFO L274 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-11-28 07:36:55,077 INFO L270 CegarLoopResult]: At program point L878-3(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-28 07:36:55,077 INFO L274 CegarLoopResult]: For program point L878-4(line 878) no Hoare annotation was computed. [2020-11-28 07:36:55,078 INFO L274 CegarLoopResult]: For program point L878-5(line 878) no Hoare annotation was computed. [2020-11-28 07:36:55,078 INFO L270 CegarLoopResult]: At program point L878-7(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-28 07:36:55,078 INFO L274 CegarLoopResult]: For program point L878-8(line 878) no Hoare annotation was computed. [2020-11-28 07:36:55,078 INFO L274 CegarLoopResult]: For program point L878-9(line 878) no Hoare annotation was computed. [2020-11-28 07:36:55,078 INFO L270 CegarLoopResult]: At program point L878-11(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-28 07:36:55,078 INFO L274 CegarLoopResult]: For program point L878-12(line 878) no Hoare annotation was computed. [2020-11-28 07:36:55,079 INFO L274 CegarLoopResult]: For program point L878-13(line 878) no Hoare annotation was computed. [2020-11-28 07:36:55,079 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:36:55,079 INFO L270 CegarLoopResult]: At program point L878-15(lines 1 886) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-28 07:36:55,079 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:36:55,079 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:36:55,079 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-28 07:36:55,079 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:36:55,080 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-28 07:36:55,080 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-28 07:36:55,080 INFO L274 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-11-28 07:36:55,080 INFO L274 CegarLoopResult]: For program point L877-2(line 877) no Hoare annotation was computed. [2020-11-28 07:36:55,080 INFO L274 CegarLoopResult]: For program point L877-3(line 877) no Hoare annotation was computed. [2020-11-28 07:36:55,080 INFO L274 CegarLoopResult]: For program point L877-4(line 877) no Hoare annotation was computed. [2020-11-28 07:36:55,080 INFO L274 CegarLoopResult]: For program point L877-6(line 877) no Hoare annotation was computed. [2020-11-28 07:36:55,081 INFO L274 CegarLoopResult]: For program point L877-7(line 877) no Hoare annotation was computed. [2020-11-28 07:36:55,081 INFO L274 CegarLoopResult]: For program point L877-8(line 877) no Hoare annotation was computed. [2020-11-28 07:36:55,081 INFO L274 CegarLoopResult]: For program point L877-10(line 877) no Hoare annotation was computed. [2020-11-28 07:36:55,081 INFO L274 CegarLoopResult]: For program point L877-11(line 877) no Hoare annotation was computed. [2020-11-28 07:36:55,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:36:55 BoogieIcfgContainer [2020-11-28 07:36:55,098 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:36:55,104 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:36:55,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:36:55,105 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:36:55,105 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:36:54" (3/4) ... [2020-11-28 07:36:55,109 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:36:55,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-11-28 07:36:55,120 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 07:36:55,120 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 07:36:55,120 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:36:55,121 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:36:55,164 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2b07735d-1f4a-44a5-8310-aadf3962a1d8/bin/utaipan/witness.graphml [2020-11-28 07:36:55,164 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:36:55,166 INFO L168 Benchmark]: Toolchain (without parser) took 2543.48 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 30.8 MB in the beginning and 47.6 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:36:55,167 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 54.5 MB. Free memory was 36.1 MB in the beginning and 36.1 MB in the end (delta: 37.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:36:55,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 939.78 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 30.6 MB in the beginning and 31.0 MB in the end (delta: -392.3 kB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:55,168 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.32 ms. Allocated memory is still 69.2 MB. Free memory was 30.6 MB in the beginning and 49.3 MB in the end (delta: -18.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:55,171 INFO L168 Benchmark]: Boogie Preprocessor took 53.31 ms. Allocated memory is still 69.2 MB. Free memory was 49.3 MB in the beginning and 48.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:36:55,171 INFO L168 Benchmark]: RCFGBuilder took 641.88 ms. Allocated memory is still 69.2 MB. Free memory was 48.0 MB in the beginning and 34.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:55,172 INFO L168 Benchmark]: TraceAbstraction took 767.85 ms. Allocated memory is still 69.2 MB. Free memory was 33.7 MB in the beginning and 27.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:55,172 INFO L168 Benchmark]: Witness Printer took 60.14 ms. Allocated memory is still 69.2 MB. Free memory was 50.2 MB in the beginning and 47.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:36:55,179 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 54.5 MB. Free memory was 36.1 MB in the beginning and 36.1 MB in the end (delta: 37.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 939.78 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 30.6 MB in the beginning and 31.0 MB in the end (delta: -392.3 kB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.32 ms. Allocated memory is still 69.2 MB. Free memory was 30.6 MB in the beginning and 49.3 MB in the end (delta: -18.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.31 ms. Allocated memory is still 69.2 MB. Free memory was 49.3 MB in the beginning and 48.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 641.88 ms. Allocated memory is still 69.2 MB. Free memory was 48.0 MB in the beginning and 34.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 767.85 ms. Allocated memory is still 69.2 MB. Free memory was 33.7 MB in the beginning and 27.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * Witness Printer took 60.14 ms. Allocated memory is still 69.2 MB. Free memory was 50.2 MB in the beginning and 47.6 MB in the end (delta: 2.6 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: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 12 SDslu, 1 SDs, 0 SdLazy, 4 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred 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, 4 LocationsWithAnnotation, 4 PreInvPairs, 8 NumberOfFragments, 20 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 85 SizeOfPredicates, 4 NumberOfNonLiveVariables, 31 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...