./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/isless.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/isless.i -s /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41702c7d40626c92e3d083fcb074e6568a31805 ............................................................................................................................................................................ 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_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/isless.i -s /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41702c7d40626c92e3d083fcb074e6568a31805 .................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:27:18,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:27:18,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:27:18,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:27:18,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:27:18,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:27:18,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:27:18,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:27:18,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:27:18,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:27:18,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:27:18,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:27:18,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:27:18,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:27:18,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:27:18,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:27:18,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:27:18,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:27:18,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:27:18,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:27:18,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:27:18,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:27:18,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:27:18,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:27:18,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:27:18,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:27:18,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:27:18,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:27:18,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:27:18,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:27:18,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:27:18,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:27:18,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:27:18,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:27:18,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:27:18,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:27:18,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:27:18,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:27:18,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:27:18,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:27:18,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:27:18,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:27:18,569 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:27:18,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:27:18,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:27:18,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:27:18,573 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:27:18,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:27:18,574 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:27:18,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:27:18,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:27:18,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:27:18,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:27:18,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:27:18,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:27:18,578 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:27:18,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:27:18,578 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:27:18,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:27:18,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:27:18,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:27:18,579 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:27:18,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:27:18,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:27:18,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:27:18,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:27:18,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:27:18,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:27:18,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:27:18,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:27:18,582 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:27:18,583 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41702c7d40626c92e3d083fcb074e6568a31805 [2020-12-01 15:27:18,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:27:18,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:27:18,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:27:18,972 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:27:18,973 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:27:18,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/isless.i [2020-12-01 15:27:19,080 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/data/39a928d80/523b1efc967d4a09b9fe4c94ff4df03b/FLAGa4c952325 [2020-12-01 15:27:19,893 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:27:19,893 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/sv-benchmarks/c/floats-esbmc-regression/isless.i [2020-12-01 15:27:19,925 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/data/39a928d80/523b1efc967d4a09b9fe4c94ff4df03b/FLAGa4c952325 [2020-12-01 15:27:20,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/data/39a928d80/523b1efc967d4a09b9fe4c94ff4df03b [2020-12-01 15:27:20,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:27:20,139 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:27:20,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:27:20,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:27:20,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:27:20,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:27:20" (1/1) ... [2020-12-01 15:27:20,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@274c4a7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:27:20, skipping insertion in model container [2020-12-01 15:27:20,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:27:20" (1/1) ... [2020-12-01 15:27:20,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:27:20,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:27:20,800 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1684) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$44(StandardFunctionHandler.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleFloatBuiltinBinaryComparison(StandardFunctionHandler.java:1751) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$49(StandardFunctionHandler.java:341) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1352) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1045) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1423) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-01 15:27:20,807 INFO L168 Benchmark]: Toolchain (without parser) took 665.86 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 50.9 MB in the beginning and 83.5 MB in the end (delta: -32.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:27:20,808 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 81.8 MB. Free memory was 38.3 MB in the beginning and 38.2 MB in the end (delta: 41.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:27:20,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.10 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 50.6 MB in the beginning and 83.5 MB in the end (delta: -32.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:27:20,812 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 81.8 MB. Free memory was 38.3 MB in the beginning and 38.2 MB in the end (delta: 41.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 662.10 ms. Allocated memory was 81.8 MB in the beginning and 109.1 MB in the end (delta: 27.3 MB). Free memory was 50.6 MB in the beginning and 83.5 MB in the end (delta: -32.9 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: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 15:27:23,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:27:23,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:27:23,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:27:23,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:27:23,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:27:23,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:27:23,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:27:23,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:27:23,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:27:23,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:27:23,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:27:23,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:27:23,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:27:23,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:27:23,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:27:23,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:27:23,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:27:23,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:27:23,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:27:23,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:27:23,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:27:23,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:27:23,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:27:23,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:27:23,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:27:23,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:27:23,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:27:23,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:27:23,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:27:23,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:27:23,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:27:23,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:27:23,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:27:23,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:27:23,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:27:23,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:27:23,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:27:23,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:27:23,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:27:23,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:27:23,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 15:27:23,504 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:27:23,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:27:23,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:27:23,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:27:23,511 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:27:23,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:27:23,511 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:27:23,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:27:23,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:27:23,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:27:23,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:27:23,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:27:23,515 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 15:27:23,515 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 15:27:23,515 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:27:23,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:27:23,516 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:27:23,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:27:23,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:27:23,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:27:23,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:27:23,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:27:23,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:27:23,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:27:23,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:27:23,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:27:23,519 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 15:27:23,519 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 15:27:23,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:27:23,519 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:27:23,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 15:27:23,520 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_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f41702c7d40626c92e3d083fcb074e6568a31805 [2020-12-01 15:27:24,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:27:24,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:27:24,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:27:24,079 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:27:24,080 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:27:24,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/isless.i [2020-12-01 15:27:24,178 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/data/7d1591261/7aa4bd448a95485b961596417743b0bf/FLAG40ec56eee [2020-12-01 15:27:24,893 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:27:24,894 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/sv-benchmarks/c/floats-esbmc-regression/isless.i [2020-12-01 15:27:24,923 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/data/7d1591261/7aa4bd448a95485b961596417743b0bf/FLAG40ec56eee [2020-12-01 15:27:25,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/data/7d1591261/7aa4bd448a95485b961596417743b0bf [2020-12-01 15:27:25,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:27:25,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:27:25,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:27:25,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:27:25,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:27:25,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:27:25" (1/1) ... [2020-12-01 15:27:25,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e11482c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:27:25, skipping insertion in model container [2020-12-01 15:27:25,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:27:25" (1/1) ... [2020-12-01 15:27:25,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:27:25,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:27:25,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:27:25,977 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:27:26,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:27:26,442 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:27:26,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:27:26 WrapperNode [2020-12-01 15:27:26,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:27:26,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:27:26,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:27:26,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:27:26,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:27:26" (1/1) ... [2020-12-01 15:27:26,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:27:26" (1/1) ... [2020-12-01 15:27:26,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:27:26,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:27:26,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:27:26,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:27:26,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:27:26" (1/1) ... [2020-12-01 15:27:26,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:27:26" (1/1) ... [2020-12-01 15:27:26,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:27:26" (1/1) ... [2020-12-01 15:27:26,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:27:26" (1/1) ... [2020-12-01 15:27:26,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:27:26" (1/1) ... [2020-12-01 15:27:26,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:27:26" (1/1) ... [2020-12-01 15:27:26,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:27:26" (1/1) ... [2020-12-01 15:27:26,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:27:26,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:27:26,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:27:26,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:27:26,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:27:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/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 [2020-12-01 15:27:26,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 15:27:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:27:26,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:27:26,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:27:27,068 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:27:27,068 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-12-01 15:27:27,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:27:27 BoogieIcfgContainer [2020-12-01 15:27:27,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:27:27,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:27:27,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:27:27,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:27:27,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:27:25" (1/3) ... [2020-12-01 15:27:27,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59439bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:27:27, skipping insertion in model container [2020-12-01 15:27:27,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:27:26" (2/3) ... [2020-12-01 15:27:27,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59439bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:27:27, skipping insertion in model container [2020-12-01 15:27:27,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:27:27" (3/3) ... [2020-12-01 15:27:27,092 INFO L111 eAbstractionObserver]: Analyzing ICFG isless.i [2020-12-01 15:27:27,124 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:27:27,127 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-01 15:27:27,156 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-01 15:27:27,216 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:27:27,217 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:27:27,217 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:27:27,217 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:27:27,217 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:27:27,217 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:27:27,218 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:27:27,218 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:27:27,232 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-12-01 15:27:27,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 15:27:27,237 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:27:27,238 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-01 15:27:27,239 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:27:27,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:27:27,245 INFO L82 PathProgramCache]: Analyzing trace with hash 889506790, now seen corresponding path program 1 times [2020-12-01 15:27:27,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:27:27,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [200532587] [2020-12-01 15:27:27,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/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 [2020-12-01 15:27:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:27:27,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:27:27,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:27:27,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:27:27,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:27:27,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:27:27,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [200532587] [2020-12-01 15:27:27,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:27:27,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-12-01 15:27:27,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36506385] [2020-12-01 15:27:27,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:27:27,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:27:27,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:27:27,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:27:27,674 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 4 states. [2020-12-01 15:27:27,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:27:27,732 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2020-12-01 15:27:27,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:27:27,734 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-12-01 15:27:27,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:27:27,742 INFO L225 Difference]: With dead ends: 43 [2020-12-01 15:27:27,743 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:27:27,747 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 [2020-12-01 15:27:27,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:27:27,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:27:27,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:27:27,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:27:27,779 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2020-12-01 15:27:27,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:27:27,779 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:27:27,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:27:27,780 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:27:27,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:27:27,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 15:27:27,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:27:28,069 INFO L262 CegarLoopResult]: For program point L877-12(line 877) no Hoare annotation was computed. [2020-12-01 15:27:28,069 INFO L262 CegarLoopResult]: For program point L877-14(line 877) no Hoare annotation was computed. [2020-12-01 15:27:28,069 INFO L262 CegarLoopResult]: For program point L877-15(line 877) no Hoare annotation was computed. [2020-12-01 15:27:28,070 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-12-01 15:27:28,070 INFO L262 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-12-01 15:27:28,070 INFO L262 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-12-01 15:27:28,071 INFO L258 CegarLoopResult]: At program point L878-3(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-01 15:27:28,071 INFO L262 CegarLoopResult]: For program point L878-4(line 878) no Hoare annotation was computed. [2020-12-01 15:27:28,071 INFO L262 CegarLoopResult]: For program point L878-5(line 878) no Hoare annotation was computed. [2020-12-01 15:27:28,071 INFO L258 CegarLoopResult]: At program point L878-7(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-01 15:27:28,072 INFO L262 CegarLoopResult]: For program point L878-8(line 878) no Hoare annotation was computed. [2020-12-01 15:27:28,072 INFO L262 CegarLoopResult]: For program point L878-9(line 878) no Hoare annotation was computed. [2020-12-01 15:27:28,072 INFO L258 CegarLoopResult]: At program point L878-11(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-01 15:27:28,072 INFO L262 CegarLoopResult]: For program point L878-12(line 878) no Hoare annotation was computed. [2020-12-01 15:27:28,073 INFO L262 CegarLoopResult]: For program point L878-13(line 878) no Hoare annotation was computed. [2020-12-01 15:27:28,073 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:27:28,073 INFO L258 CegarLoopResult]: At program point L878-15(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-01 15:27:28,073 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:27:28,073 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:27:28,074 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-12-01 15:27:28,074 INFO L258 CegarLoopResult]: At program point L887(lines 880 888) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-01 15:27:28,074 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:27:28,074 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-12-01 15:27:28,075 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-12-01 15:27:28,075 INFO L262 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-12-01 15:27:28,075 INFO L262 CegarLoopResult]: For program point L877-2(line 877) no Hoare annotation was computed. [2020-12-01 15:27:28,075 INFO L262 CegarLoopResult]: For program point L877-3(line 877) no Hoare annotation was computed. [2020-12-01 15:27:28,075 INFO L262 CegarLoopResult]: For program point L877-4(line 877) no Hoare annotation was computed. [2020-12-01 15:27:28,076 INFO L262 CegarLoopResult]: For program point L877-6(line 877) no Hoare annotation was computed. [2020-12-01 15:27:28,076 INFO L262 CegarLoopResult]: For program point L877-7(line 877) no Hoare annotation was computed. [2020-12-01 15:27:28,076 INFO L262 CegarLoopResult]: For program point L877-8(line 877) no Hoare annotation was computed. [2020-12-01 15:27:28,076 INFO L262 CegarLoopResult]: For program point L877-10(line 877) no Hoare annotation was computed. [2020-12-01 15:27:28,076 INFO L262 CegarLoopResult]: For program point L877-11(line 877) no Hoare annotation was computed. [2020-12-01 15:27:28,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:27:28 BoogieIcfgContainer [2020-12-01 15:27:28,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:27:28,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:27:28,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:27:28,098 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:27:28,098 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:27:27" (3/4) ... [2020-12-01 15:27:28,103 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:27:28,117 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 15:27:28,117 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 15:27:28,117 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:27:28,118 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:27:28,172 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_74a430d2-3f39-467b-b4d1-37f8fd3e7a91/bin/uautomizer/witness.graphml [2020-12-01 15:27:28,172 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:27:28,174 INFO L168 Benchmark]: Toolchain (without parser) took 2998.30 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 40.6 MB in the beginning and 66.9 MB in the end (delta: -26.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:27:28,175 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 75.5 MB. Free memory is still 58.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:27:28,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1255.33 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 40.4 MB in the beginning and 51.9 MB in the end (delta: -11.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:27:28,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.93 ms. Allocated memory is still 92.3 MB. Free memory was 51.9 MB in the beginning and 49.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:27:28,178 INFO L168 Benchmark]: Boogie Preprocessor took 28.01 ms. Allocated memory is still 92.3 MB. Free memory was 49.3 MB in the beginning and 48.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:27:28,179 INFO L168 Benchmark]: RCFGBuilder took 534.34 ms. Allocated memory is still 92.3 MB. Free memory was 48.2 MB in the beginning and 66.0 MB in the end (delta: -17.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:27:28,180 INFO L168 Benchmark]: TraceAbstraction took 1010.88 ms. Allocated memory is still 92.3 MB. Free memory was 66.0 MB in the beginning and 69.7 MB in the end (delta: -3.8 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:27:28,181 INFO L168 Benchmark]: Witness Printer took 75.50 ms. Allocated memory is still 92.3 MB. Free memory was 69.7 MB in the beginning and 66.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:27:28,185 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 75.5 MB. Free memory is still 58.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1255.33 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 40.4 MB in the beginning and 51.9 MB in the end (delta: -11.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.93 ms. Allocated memory is still 92.3 MB. Free memory was 51.9 MB in the beginning and 49.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.01 ms. Allocated memory is still 92.3 MB. Free memory was 49.3 MB in the beginning and 48.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 534.34 ms. Allocated memory is still 92.3 MB. Free memory was 48.2 MB in the beginning and 66.0 MB in the end (delta: -17.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1010.88 ms. Allocated memory is still 92.3 MB. Free memory was 66.0 MB in the beginning and 69.7 MB in the end (delta: -3.8 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. * Witness Printer took 75.50 ms. Allocated memory is still 92.3 MB. Free memory was 69.7 MB in the beginning and 66.9 MB in the end (delta: 2.8 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: 880]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 14 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=33occurred 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, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 25 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 85 SizeOfPredicates, 3 NumberOfNonLiveVariables, 24 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...