./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-esbmc-regression/ceil.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-esbmc-regression/ceil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 7e0637aa44eaa32a5076597ae8f142a3a6543319 .................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-esbmc-regression/ceil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 7e0637aa44eaa32a5076597ae8f142a3a6543319 ............................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:01:30,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:01:30,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:01:30,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:01:30,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:01:30,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:01:30,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:01:30,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:01:30,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:01:30,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:01:30,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:01:30,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:01:30,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:01:30,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:01:30,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:01:30,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:01:30,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:01:30,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:01:30,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:01:30,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:01:30,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:01:30,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:01:30,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:01:30,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:01:30,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:01:30,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:01:30,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:01:30,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:01:30,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:01:30,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:01:30,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:01:30,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:01:30,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:01:30,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:01:30,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:01:30,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:01:30,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:01:30,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:01:30,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:01:30,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:01:30,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:01:30,337 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:01:30,388 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:01:30,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:01:30,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:01:30,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:01:30,391 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:01:30,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:01:30,391 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:01:30,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:01:30,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:01:30,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:01:30,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:01:30,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:01:30,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:01:30,393 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:01:30,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:01:30,394 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:01:30,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:01:30,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:01:30,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:01:30,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:01:30,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:01:30,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:01:30,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:01:30,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:01:30,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:01:30,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:01:30,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:01:30,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:01:30,397 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:01:30,398 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e0637aa44eaa32a5076597ae8f142a3a6543319 [2020-12-02 15:01:30,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:01:30,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:01:30,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:01:30,846 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:01:30,847 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:01:30,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/ceil.i [2020-12-02 15:01:30,938 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d3058dcb/00ecef1c897b46b4b84f5ef5c1ca9f15/FLAGbcfabc928 [2020-12-02 15:01:31,570 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:01:31,571 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/ceil.i [2020-12-02 15:01:31,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d3058dcb/00ecef1c897b46b4b84f5ef5c1ca9f15/FLAGbcfabc928 [2020-12-02 15:01:31,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d3058dcb/00ecef1c897b46b4b84f5ef5c1ca9f15 [2020-12-02 15:01:31,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:01:31,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:01:31,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:01:31,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:01:31,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:01:31,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:01:31" (1/1) ... [2020-12-02 15:01:31,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73292dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:31, skipping insertion in model container [2020-12-02 15:01:31,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:01:31" (1/1) ... [2020-12-02 15:01:31,843 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:01:31,896 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:01:32,535 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/ceil.i[36279,36292] [2020-12-02 15:01:32,544 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: ceil at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:847) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1710) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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:704) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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) [2020-12-02 15:01:32,552 INFO L168 Benchmark]: Toolchain (without parser) took 730.33 ms. Allocated memory is still 52.4 MB. Free memory was 33.3 MB in the beginning and 31.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-12-02 15:01:32,553 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 39.8 MB. Free memory was 17.8 MB in the beginning and 17.7 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:01:32,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.00 ms. Allocated memory is still 52.4 MB. Free memory was 33.0 MB in the beginning and 31.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-12-02 15:01:32,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 39.8 MB. Free memory was 17.8 MB in the beginning and 17.7 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 727.00 ms. Allocated memory is still 52.4 MB. Free memory was 33.0 MB in the beginning and 31.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: ceil de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: ceil: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:847) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 15:01:34,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:01:34,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:01:34,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:01:34,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:01:34,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:01:34,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:01:34,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:01:34,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:01:34,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:01:34,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:01:34,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:01:34,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:01:34,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:01:34,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:01:34,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:01:34,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:01:34,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:01:34,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:01:34,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:01:34,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:01:34,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:01:34,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:01:34,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:01:34,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:01:34,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:01:34,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:01:34,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:01:34,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:01:34,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:01:34,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:01:34,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:01:34,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:01:34,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:01:34,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:01:34,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:01:34,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:01:34,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:01:34,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:01:34,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:01:34,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:01:34,879 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:01:34,939 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:01:34,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:01:34,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:01:34,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:01:34,942 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:01:34,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:01:34,942 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:01:34,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:01:34,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:01:34,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:01:34,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:01:34,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:01:34,944 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:01:34,945 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:01:34,945 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:01:34,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:01:34,945 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:01:34,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:01:34,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:01:34,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:01:34,946 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:01:34,946 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:01:34,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:01:34,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:01:34,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:01:34,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:01:34,947 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:01:34,947 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:01:34,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:01:34,947 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:01:34,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:01:34,948 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e0637aa44eaa32a5076597ae8f142a3a6543319 [2020-12-02 15:01:35,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:01:35,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:01:35,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:01:35,433 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:01:35,434 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:01:35,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/ceil.i [2020-12-02 15:01:35,519 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51e7658a5/983ae6425ad24cb39a02958a0312362a/FLAG925e3bf79 [2020-12-02 15:01:36,238 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:01:36,238 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/ceil.i [2020-12-02 15:01:36,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51e7658a5/983ae6425ad24cb39a02958a0312362a/FLAG925e3bf79 [2020-12-02 15:01:36,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51e7658a5/983ae6425ad24cb39a02958a0312362a [2020-12-02 15:01:36,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:01:36,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:01:36,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:01:36,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:01:36,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:01:36,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:01:36" (1/1) ... [2020-12-02 15:01:36,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad57829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:36, skipping insertion in model container [2020-12-02 15:01:36,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:01:36" (1/1) ... [2020-12-02 15:01:36,508 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:01:36,554 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:01:37,158 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/ceil.i[36279,36292] [2020-12-02 15:01:37,179 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:01:37,196 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:01:37,224 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/ceil.i[36279,36292] [2020-12-02 15:01:37,233 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:01:37,622 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:01:37,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:37 WrapperNode [2020-12-02 15:01:37,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:01:37,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:01:37,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:01:37,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:01:37,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:37" (1/1) ... [2020-12-02 15:01:37,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:37" (1/1) ... [2020-12-02 15:01:37,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:01:37,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:01:37,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:01:37,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:01:37,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:37" (1/1) ... [2020-12-02 15:01:37,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:37" (1/1) ... [2020-12-02 15:01:37,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:37" (1/1) ... [2020-12-02 15:01:37,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:37" (1/1) ... [2020-12-02 15:01:37,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:37" (1/1) ... [2020-12-02 15:01:37,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:37" (1/1) ... [2020-12-02 15:01:37,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:37" (1/1) ... [2020-12-02 15:01:37,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:01:37,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:01:37,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:01:37,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:01:37,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-12-02 15:01:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:01:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:01:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:01:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:01:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:01:38,426 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:01:38,426 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-12-02 15:01:38,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:38 BoogieIcfgContainer [2020-12-02 15:01:38,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:01:38,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:01:38,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:01:38,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:01:38,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:01:36" (1/3) ... [2020-12-02 15:01:38,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b831f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:01:38, skipping insertion in model container [2020-12-02 15:01:38,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:01:37" (2/3) ... [2020-12-02 15:01:38,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b831f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:01:38, skipping insertion in model container [2020-12-02 15:01:38,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:38" (3/3) ... [2020-12-02 15:01:38,437 INFO L111 eAbstractionObserver]: Analyzing ICFG ceil.i [2020-12-02 15:01:38,452 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:01:38,456 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-02 15:01:38,469 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-02 15:01:38,498 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:01:38,499 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:01:38,499 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:01:38,499 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:01:38,499 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:01:38,499 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:01:38,499 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:01:38,500 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:01:38,515 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-12-02 15:01:38,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-02 15:01:38,521 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:01:38,522 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-02 15:01:38,523 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:01:38,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:01:38,530 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2020-12-02 15:01:38,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:01:38,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051323279] [2020-12-02 15:01:38,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/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 [2020-12-02 15:01:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:01:38,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-02 15:01:38,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:01:38,768 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:01:38,774 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:01:38,776 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 15:01:38,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:01:38,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:01:38,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:01:38,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051323279] [2020-12-02 15:01:38,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:01:38,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-12-02 15:01:38,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958844048] [2020-12-02 15:01:38,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-02 15:01:38,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:01:39,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-02 15:01:39,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-02 15:01:39,010 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 5 states. [2020-12-02 15:01:39,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:01:39,189 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2020-12-02 15:01:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-02 15:01:39,191 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2020-12-02 15:01:39,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:01:39,198 INFO L225 Difference]: With dead ends: 29 [2020-12-02 15:01:39,198 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 15:01:39,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-02 15:01:39,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 15:01:39,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 15:01:39,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 15:01:39,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 15:01:39,229 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-12-02 15:01:39,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:01:39,230 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 15:01:39,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-02 15:01:39,230 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 15:01:39,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 15:01:39,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:01:39,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 15:01:39,535 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 15:01:39,536 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2020-12-02 15:01:39,536 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2020-12-02 15:01:39,536 INFO L262 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-12-02 15:01:39,536 INFO L262 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-12-02 15:01:39,537 INFO L258 CegarLoopResult]: At program point L878-3(line 878) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= roundNearestTiesToEven ~CRM)) [2020-12-02 15:01:39,537 INFO L262 CegarLoopResult]: For program point L878-4(line 878) no Hoare annotation was computed. [2020-12-02 15:01:39,538 INFO L262 CegarLoopResult]: For program point L878-5(line 878) no Hoare annotation was computed. [2020-12-02 15:01:39,538 INFO L258 CegarLoopResult]: At program point L878-7(line 878) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= roundNearestTiesToEven ~CRM)) [2020-12-02 15:01:39,538 INFO L262 CegarLoopResult]: For program point L878-8(line 878) no Hoare annotation was computed. [2020-12-02 15:01:39,539 INFO L262 CegarLoopResult]: For program point L878-9(line 878) no Hoare annotation was computed. [2020-12-02 15:01:39,539 INFO L258 CegarLoopResult]: At program point L878-11(line 878) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= roundNearestTiesToEven ~CRM)) [2020-12-02 15:01:39,539 INFO L262 CegarLoopResult]: For program point L878-12(line 878) no Hoare annotation was computed. [2020-12-02 15:01:39,539 INFO L262 CegarLoopResult]: For program point L878-13(line 878) no Hoare annotation was computed. [2020-12-02 15:01:39,539 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 15:01:39,540 INFO L258 CegarLoopResult]: At program point L878-15(lines 1 890) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= roundNearestTiesToEven ~CRM)) [2020-12-02 15:01:39,540 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 15:01:39,541 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 15:01:39,542 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2020-12-02 15:01:39,542 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2020-12-02 15:01:39,555 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:01:39,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:01:39,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:01:39,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:01:39,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:01:39,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:01:39,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:01:39,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:01:39,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:01:39 BoogieIcfgContainer [2020-12-02 15:01:39,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:01:39,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:01:39,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:01:39,576 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:01:39,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:01:38" (3/4) ... [2020-12-02 15:01:39,581 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 15:01:39,597 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-12-02 15:01:39,599 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-02 15:01:39,599 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-02 15:01:39,599 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 15:01:39,600 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 15:01:39,663 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 15:01:39,663 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:01:39,666 INFO L168 Benchmark]: Toolchain (without parser) took 3180.98 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 34.2 MB in the beginning and 26.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. [2020-12-02 15:01:39,666 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 41.9 MB. Free memory is still 19.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:01:39,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1138.43 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 34.0 MB in the beginning and 49.9 MB in the end (delta: -15.9 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2020-12-02 15:01:39,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.00 ms. Allocated memory is still 73.4 MB. Free memory was 49.9 MB in the beginning and 47.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:01:39,669 INFO L168 Benchmark]: Boogie Preprocessor took 30.75 ms. Allocated memory is still 73.4 MB. Free memory was 47.1 MB in the beginning and 45.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:01:39,669 INFO L168 Benchmark]: RCFGBuilder took 681.06 ms. Allocated memory is still 73.4 MB. Free memory was 45.7 MB in the beginning and 30.3 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-02 15:01:39,670 INFO L168 Benchmark]: TraceAbstraction took 1144.39 ms. Allocated memory is still 73.4 MB. Free memory was 30.3 MB in the beginning and 30.3 MB in the end (delta: 58.5 kB). Peak memory consumption was 121.0 kB. Max. memory is 16.1 GB. [2020-12-02 15:01:39,671 INFO L168 Benchmark]: Witness Printer took 88.10 ms. Allocated memory is still 73.4 MB. Free memory was 30.2 MB in the beginning and 26.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:01:39,675 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 41.9 MB. Free memory is still 19.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1138.43 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 34.0 MB in the beginning and 49.9 MB in the end (delta: -15.9 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.00 ms. Allocated memory is still 73.4 MB. Free memory was 49.9 MB in the beginning and 47.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.75 ms. Allocated memory is still 73.4 MB. Free memory was 47.1 MB in the beginning and 45.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 681.06 ms. Allocated memory is still 73.4 MB. Free memory was 45.7 MB in the beginning and 30.3 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1144.39 ms. Allocated memory is still 73.4 MB. Free memory was 30.3 MB in the beginning and 30.3 MB in the end (delta: 58.5 kB). Peak memory consumption was 121.0 kB. Max. memory is 16.1 GB. * Witness Printer took 88.10 ms. Allocated memory is still 73.4 MB. Free memory was 30.2 MB in the beginning and 26.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 878]: Loop Invariant [2020-12-02 15:01:39,687 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:01:39,687 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && ~roundNearestTiesToEven == unknown-~CRM-unknown - InvariantResult [Line: 878]: Loop Invariant [2020-12-02 15:01:39,688 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:01:39,688 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && ~roundNearestTiesToEven == unknown-~CRM-unknown - InvariantResult [Line: 878]: Loop Invariant [2020-12-02 15:01:39,689 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:01:39,689 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && ~roundNearestTiesToEven == unknown-~CRM-unknown - InvariantResult [Line: 1]: Loop Invariant [2020-12-02 15:01:39,690 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:01:39,690 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && ~roundNearestTiesToEven == unknown-~CRM-unknown - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 15 SDslu, 2 SDs, 0 SdLazy, 6 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 8 NumberOfFragments, 36 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 4 NumberOfNonLiveVariables, 31 ConjunctsInSsa, 6 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...