./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/islessequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ee8e70e7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/islessequal.i -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --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 c1c64eb1f7c4c25ba4398abf0f06d2c553700550 ............................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/islessequal.i -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --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 c1c64eb1f7c4c25ba4398abf0f06d2c553700550 ................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:00:56,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:00:56,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:00:56,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:00:56,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:00:56,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:00:56,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:00:56,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:00:56,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:00:56,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:00:56,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:00:56,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:00:56,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:00:56,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:00:56,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:00:56,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:00:56,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:00:56,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:00:56,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:00:56,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:00:56,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:00:56,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:00:56,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:00:56,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:00:56,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:00:56,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:00:56,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:00:56,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:00:56,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:00:56,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:00:56,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:00:56,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:00:56,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:00:56,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:00:56,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:00:56,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:00:56,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:00:56,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:00:56,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:00:56,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:00:56,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:00:56,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 15:00:56,587 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:00:56,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:00:56,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:00:56,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:00:56,598 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:00:56,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:00:56,599 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:00:56,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:00:56,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:00:56,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:00:56,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:00:56,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:00:56,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:00:56,603 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:00:56,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:00:56,603 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:00:56,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:00:56,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:00:56,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:00:56,605 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:00:56,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:00:56,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:00:56,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:00:56,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:00:56,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:00:56,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:00:56,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:00:56,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:00:56,607 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:00:56,607 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:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1c64eb1f7c4c25ba4398abf0f06d2c553700550 [2020-10-24 15:00:57,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:00:57,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:00:57,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:00:57,444 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:00:57,452 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:00:57,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/islessequal.i [2020-10-24 15:00:57,601 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/90ae999a4/ee69629afd9148d3bc374ce5d0c319ca/FLAGa944721b5 [2020-10-24 15:00:59,079 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:00:59,081 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/islessequal.i [2020-10-24 15:00:59,126 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/90ae999a4/ee69629afd9148d3bc374ce5d0c319ca/FLAGa944721b5 [2020-10-24 15:00:59,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/90ae999a4/ee69629afd9148d3bc374ce5d0c319ca [2020-10-24 15:00:59,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:00:59,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:00:59,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:00:59,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:00:59,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:00:59,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:00:59" (1/1) ... [2020-10-24 15:00:59,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f5740a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:00:59, skipping insertion in model container [2020-10-24 15:00:59,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:00:59" (1/1) ... [2020-10-24 15:00:59,265 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:00:59,396 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:01:00,840 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:836) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1682) 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:1400) 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:2341) 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:1744) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$50(StandardFunctionHandler.java:343) 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:1400) 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:2341) 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:1407) 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:1351) 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:1044) 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:1422) 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:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:578) 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:201) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) 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) [2020-10-24 15:01:00,856 INFO L168 Benchmark]: Toolchain (without parser) took 1677.74 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 23.3 MB in the beginning and 43.7 MB in the end (delta: -20.4 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:01:00,858 INFO L168 Benchmark]: CDTParser took 0.99 ms. Allocated memory is still 48.2 MB. Free memory was 25.8 MB in the beginning and 25.8 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:01:00,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1662.68 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 22.7 MB in the beginning and 43.7 MB in the end (delta: -21.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:01:00,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99 ms. Allocated memory is still 48.2 MB. Free memory was 25.8 MB in the beginning and 25.8 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1662.68 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 22.7 MB in the beginning and 43.7 MB in the end (delta: -21.0 MB). Peak memory consumption was 7.1 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:836) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:01:05,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:01:05,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:01:05,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:01:05,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:01:05,216 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:01:05,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:01:05,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:01:05,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:01:05,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:01:05,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:01:05,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:01:05,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:01:05,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:01:05,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:01:05,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:01:05,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:01:05,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:01:05,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:01:05,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:01:05,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:01:05,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:01:05,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:01:05,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:01:05,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:01:05,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:01:05,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:01:05,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:01:05,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:01:05,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:01:05,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:01:05,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:01:05,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:01:05,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:01:05,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:01:05,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:01:05,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:01:05,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:01:05,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:01:05,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:01:05,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:01:05,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 15:01:05,307 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:01:05,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:01:05,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:01:05,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:01:05,310 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:01:05,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:01:05,310 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:01:05,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:01:05,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:01:05,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:01:05,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:01:05,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:01:05,312 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:01:05,313 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:01:05,313 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:01:05,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:01:05,313 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:01:05,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:01:05,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:01:05,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:01:05,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:01:05,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:01:05,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:01:05,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:01:05,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:01:05,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:01:05,316 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:01:05,316 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:01:05,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:01:05,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:01:05,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:01:05,317 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:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1c64eb1f7c4c25ba4398abf0f06d2c553700550 [2020-10-24 15:01:05,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:01:05,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:01:05,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:01:05,750 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:01:05,751 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:01:05,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/islessequal.i [2020-10-24 15:01:05,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b317ca092/2b4f0e89fdd94a5e8e529b6f9f7058be/FLAGce333b0c7 [2020-10-24 15:01:06,669 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:01:06,670 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/islessequal.i [2020-10-24 15:01:06,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b317ca092/2b4f0e89fdd94a5e8e529b6f9f7058be/FLAGce333b0c7 [2020-10-24 15:01:06,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b317ca092/2b4f0e89fdd94a5e8e529b6f9f7058be [2020-10-24 15:01:06,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:01:06,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:01:06,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:01:06,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:01:06,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:01:06,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:01:06" (1/1) ... [2020-10-24 15:01:06,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1753c8fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:06, skipping insertion in model container [2020-10-24 15:01:06,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:01:06" (1/1) ... [2020-10-24 15:01:07,008 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:01:07,050 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:01:07,560 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:01:07,579 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:01:07,626 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:01:07,973 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:01:07,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:07 WrapperNode [2020-10-24 15:01:07,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:01:07,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:01:07,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:01:07,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:01:07,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:07" (1/1) ... [2020-10-24 15:01:08,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:07" (1/1) ... [2020-10-24 15:01:08,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:01:08,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:01:08,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:01:08,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:01:08,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:07" (1/1) ... [2020-10-24 15:01:08,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:07" (1/1) ... [2020-10-24 15:01:08,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:07" (1/1) ... [2020-10-24 15:01:08,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:07" (1/1) ... [2020-10-24 15:01:08,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:07" (1/1) ... [2020-10-24 15:01:08,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:07" (1/1) ... [2020-10-24 15:01:08,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:07" (1/1) ... [2020-10-24 15:01:08,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:01:08,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:01:08,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:01:08,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:01:08,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 15:01:08,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-10-24 15:01:08,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 15:01:08,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:01:08,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:01:08,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:01:08,499 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:01:08,500 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-24 15:01:08,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:01:08 BoogieIcfgContainer [2020-10-24 15:01:08,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:01:08,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:01:08,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:01:08,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:01:08,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:01:06" (1/3) ... [2020-10-24 15:01:08,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ff680b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:01:08, skipping insertion in model container [2020-10-24 15:01:08,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:01:07" (2/3) ... [2020-10-24 15:01:08,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ff680b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:01:08, skipping insertion in model container [2020-10-24 15:01:08,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:01:08" (3/3) ... [2020-10-24 15:01:08,514 INFO L111 eAbstractionObserver]: Analyzing ICFG islessequal.i [2020-10-24 15:01:08,529 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:01:08,535 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-24 15:01:08,554 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-24 15:01:08,592 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:01:08,593 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:01:08,593 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:01:08,594 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:01:08,594 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:01:08,594 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:01:08,594 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:01:08,595 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:01:08,634 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-10-24 15:01:08,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-24 15:01:08,651 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:01:08,652 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-24 15:01:08,653 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:01:08,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:01:08,671 INFO L82 PathProgramCache]: Analyzing trace with hash 889506790, now seen corresponding path program 1 times [2020-10-24 15:01:08,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 15:01:08,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2137178068] [2020-10-24 15:01:08,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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 [2020-10-24 15:01:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:01:08,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-24 15:01:08,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 15:01:08,867 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-24 15:01:08,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:01:08,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 15:01:08,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:01:08,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2137178068] [2020-10-24 15:01:08,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:01:08,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-10-24 15:01:08,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106334430] [2020-10-24 15:01:08,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 15:01:08,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 15:01:08,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 15:01:08,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 15:01:08,959 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2020-10-24 15:01:09,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:01:09,036 INFO L93 Difference]: Finished difference Result 52 states and 64 transitions. [2020-10-24 15:01:09,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-24 15:01:09,039 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-10-24 15:01:09,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:01:09,047 INFO L225 Difference]: With dead ends: 52 [2020-10-24 15:01:09,047 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 15:01:09,051 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 [2020-10-24 15:01:09,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 15:01:09,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 15:01:09,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 15:01:09,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 15:01:09,084 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2020-10-24 15:01:09,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:01:09,085 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 15:01:09,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 15:01:09,085 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 15:01:09,085 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 15:01:09,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 15:01:09,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 15:01:09,370 INFO L274 CegarLoopResult]: For program point L877-12(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,370 INFO L274 CegarLoopResult]: For program point L877-14(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,371 INFO L274 CegarLoopResult]: For program point L877-15(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,371 INFO L274 CegarLoopResult]: For program point L877-16(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,371 INFO L274 CegarLoopResult]: For program point L877-18(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,371 INFO L274 CegarLoopResult]: For program point L877-19(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,371 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,371 INFO L274 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-10-24 15:01:09,372 INFO L274 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-10-24 15:01:09,372 INFO L270 CegarLoopResult]: At program point L878-3(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-10-24 15:01:09,372 INFO L274 CegarLoopResult]: For program point L878-4(line 878) no Hoare annotation was computed. [2020-10-24 15:01:09,372 INFO L274 CegarLoopResult]: For program point L878-5(line 878) no Hoare annotation was computed. [2020-10-24 15:01:09,372 INFO L270 CegarLoopResult]: At program point L878-7(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-10-24 15:01:09,373 INFO L274 CegarLoopResult]: For program point L878-8(line 878) no Hoare annotation was computed. [2020-10-24 15:01:09,373 INFO L274 CegarLoopResult]: For program point L878-9(line 878) no Hoare annotation was computed. [2020-10-24 15:01:09,373 INFO L270 CegarLoopResult]: At program point L878-11(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-10-24 15:01:09,373 INFO L274 CegarLoopResult]: For program point L878-12(line 878) no Hoare annotation was computed. [2020-10-24 15:01:09,373 INFO L274 CegarLoopResult]: For program point L878-13(line 878) no Hoare annotation was computed. [2020-10-24 15:01:09,373 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 15:01:09,374 INFO L270 CegarLoopResult]: At program point L878-15(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-10-24 15:01:09,374 INFO L274 CegarLoopResult]: For program point L878-16(line 878) no Hoare annotation was computed. [2020-10-24 15:01:09,374 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,374 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 15:01:09,374 INFO L274 CegarLoopResult]: For program point L878-17(line 878) no Hoare annotation was computed. [2020-10-24 15:01:09,374 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 15:01:09,375 INFO L270 CegarLoopResult]: At program point L878-19(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-10-24 15:01:09,375 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,375 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 15:01:09,375 INFO L270 CegarLoopResult]: At program point L888(lines 880 889) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-10-24 15:01:09,375 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,376 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,376 INFO L274 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,376 INFO L274 CegarLoopResult]: For program point L877-2(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,376 INFO L274 CegarLoopResult]: For program point L877-3(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,376 INFO L274 CegarLoopResult]: For program point L877-4(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,376 INFO L274 CegarLoopResult]: For program point L877-6(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,377 INFO L274 CegarLoopResult]: For program point L877-7(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,377 INFO L274 CegarLoopResult]: For program point L877-8(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,377 INFO L274 CegarLoopResult]: For program point L877-10(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,377 INFO L274 CegarLoopResult]: For program point L877-11(line 877) no Hoare annotation was computed. [2020-10-24 15:01:09,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:01:09 BoogieIcfgContainer [2020-10-24 15:01:09,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:01:09,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:01:09,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:01:09,397 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:01:09,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:01:08" (3/4) ... [2020-10-24 15:01:09,402 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 15:01:09,417 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-10-24 15:01:09,418 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-24 15:01:09,418 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 15:01:09,419 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 15:01:09,489 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 15:01:09,490 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:01:09,493 INFO L168 Benchmark]: Toolchain (without parser) took 2536.06 ms. Allocated memory was 41.9 MB in the beginning and 60.8 MB in the end (delta: 18.9 MB). Free memory was 26.8 MB in the beginning and 15.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:01:09,497 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 41.9 MB. Free memory was 24.5 MB in the beginning and 24.4 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:01:09,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1010.20 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 26.1 MB in the beginning and 23.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2020-10-24 15:01:09,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.16 ms. Allocated memory is still 50.3 MB. Free memory was 23.0 MB in the beginning and 20.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:01:09,500 INFO L168 Benchmark]: Boogie Preprocessor took 61.77 ms. Allocated memory is still 50.3 MB. Free memory was 20.6 MB in the beginning and 19.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:01:09,501 INFO L168 Benchmark]: RCFGBuilder took 389.33 ms. Allocated memory is still 50.3 MB. Free memory was 18.8 MB in the beginning and 20.6 MB in the end (delta: -1.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:01:09,504 INFO L168 Benchmark]: TraceAbstraction took 890.80 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 20.1 MB in the beginning and 19.2 MB in the end (delta: 834.6 kB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:01:09,505 INFO L168 Benchmark]: Witness Printer took 93.36 ms. Allocated memory is still 60.8 MB. Free memory was 19.2 MB in the beginning and 15.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:01:09,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 41.9 MB. Free memory was 24.5 MB in the beginning and 24.4 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1010.20 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 26.1 MB in the beginning and 23.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.16 ms. Allocated memory is still 50.3 MB. Free memory was 23.0 MB in the beginning and 20.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.77 ms. Allocated memory is still 50.3 MB. Free memory was 20.6 MB in the beginning and 19.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 389.33 ms. Allocated memory is still 50.3 MB. Free memory was 18.8 MB in the beginning and 20.6 MB in the end (delta: -1.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 890.80 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 20.1 MB in the beginning and 19.2 MB in the end (delta: 834.6 kB). Peak memory consumption was 11.2 MB. Max. memory is 16.1 GB. * Witness Printer took 93.36 ms. Allocated memory is still 60.8 MB. Free memory was 19.2 MB in the beginning and 15.7 MB in the end (delta: 3.5 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 - 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 5 specifications checked. All of them hold - 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 - 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, 40 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 5 SolverSat, 8 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=40occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 12 NumberOfFragments, 30 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 85 SizeOfPredicates, 6 NumberOfNonLiveVariables, 26 ConjunctsInSsa, 5 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...