./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0250a.c --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/float-newlib/float_req_bl_0250a.c -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 4be0bc4cd46b95b0d49f59a081442b7e454af9af ............................................................................................................................................................... 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/float-newlib/float_req_bl_0250a.c -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 4be0bc4cd46b95b0d49f59a081442b7e454af9af ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:35:49,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:35:49,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:35:49,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:35:49,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:35:49,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:35:49,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:35:49,726 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:35:49,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:35:49,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:35:49,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:35:49,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:35:49,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:35:49,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:35:49,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:35:49,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:35:49,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:35:49,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:35:49,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:35:49,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:35:49,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:35:49,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:35:49,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:35:49,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:35:49,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:35:49,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:35:49,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:35:49,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:35:49,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:35:49,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:35:49,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:35:49,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:35:49,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:35:49,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:35:49,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:35:49,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:35:49,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:35:49,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:35:49,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:35:49,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:35:49,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:35:49,806 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:35:49,860 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:35:49,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:35:49,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:35:49,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:35:49,866 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:35:49,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:35:49,866 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:35:49,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:35:49,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:35:49,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:35:49,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:35:49,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:35:49,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:35:49,870 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:35:49,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:35:49,870 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:35:49,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:35:49,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:35:49,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:35:49,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:35:49,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:35:49,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:35:49,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:35:49,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:35:49,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:35:49,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:35:49,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:35:49,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:35:49,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:35:49,874 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4be0bc4cd46b95b0d49f59a081442b7e454af9af [2020-12-02 15:35:50,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:35:50,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:35:50,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:35:50,395 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:35:50,396 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:35:50,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0250a.c [2020-12-02 15:35:50,483 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bac458a7/2ec2f22ba2ac4bce9d8b6d2ebb29ef12/FLAGa10e05bbd [2020-12-02 15:35:51,116 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:35:51,117 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0250a.c [2020-12-02 15:35:51,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bac458a7/2ec2f22ba2ac4bce9d8b6d2ebb29ef12/FLAGa10e05bbd [2020-12-02 15:35:51,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bac458a7/2ec2f22ba2ac4bce9d8b6d2ebb29ef12 [2020-12-02 15:35:51,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:35:51,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:35:51,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:35:51,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:35:51,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:35:51,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:35:51" (1/1) ... [2020-12-02 15:35:51,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708464e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:51, skipping insertion in model container [2020-12-02 15:35:51,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:35:51" (1/1) ... [2020-12-02 15:35:51,436 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:35:51,485 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:35:51,888 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.transformBitvectorToFloat(IntegerTranslation.java:919) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructUnaryExpression(ExpressionTranslation.java:141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleUnaryArithmeticOperators(CExpressionTranslator.java:407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2351) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1970) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1599) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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 15:35:51,895 INFO L168 Benchmark]: Toolchain (without parser) took 486.66 ms. Allocated memory is still 50.3 MB. Free memory was 26.4 MB in the beginning and 27.2 MB in the end (delta: -794.9 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:35:51,897 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 50.3 MB. Free memory was 31.7 MB in the beginning and 31.6 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:35:51,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.26 ms. Allocated memory is still 50.3 MB. Free memory was 26.1 MB in the beginning and 27.2 MB in the end (delta: -1.0 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:35:51,901 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 50.3 MB. Free memory was 31.7 MB in the beginning and 31.6 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 483.26 ms. Allocated memory is still 50.3 MB. Free memory was 26.1 MB in the beginning and 27.2 MB in the end (delta: -1.0 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.transformBitvectorToFloat(IntegerTranslation.java:919) 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 15:35:54,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:35:54,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:35:54,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:35:54,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:35:54,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:35:54,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:35:54,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:35:54,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:35:54,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:35:54,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:35:54,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:35:54,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:35:54,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:35:54,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:35:54,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:35:54,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:35:54,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:35:54,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:35:54,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:35:54,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:35:54,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:35:54,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:35:54,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:35:54,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:35:54,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:35:54,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:35:54,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:35:54,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:35:54,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:35:54,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:35:54,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:35:54,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:35:54,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:35:54,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:35:54,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:35:54,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:35:54,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:35:54,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:35:54,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:35:54,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:35:54,561 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:35:54,628 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:35:54,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:35:54,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:35:54,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:35:54,632 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:35:54,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:35:54,633 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:35:54,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:35:54,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:35:54,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:35:54,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:35:54,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:35:54,635 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:35:54,636 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:35:54,637 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:35:54,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:35:54,637 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:35:54,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:35:54,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:35:54,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:35:54,639 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:35:54,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:35:54,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:35:54,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:35:54,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:35:54,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:35:54,640 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:35:54,641 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:35:54,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:35:54,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:35:54,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:35:54,642 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4be0bc4cd46b95b0d49f59a081442b7e454af9af [2020-12-02 15:35:55,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:35:55,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:35:55,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:35:55,186 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:35:55,187 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:35:55,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0250a.c [2020-12-02 15:35:55,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d14fa13fd/f3d0a28aff3d464d9a84390d0f9b833f/FLAG72adfc2e6 [2020-12-02 15:35:55,935 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:35:55,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0250a.c [2020-12-02 15:35:55,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d14fa13fd/f3d0a28aff3d464d9a84390d0f9b833f/FLAG72adfc2e6 [2020-12-02 15:35:56,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d14fa13fd/f3d0a28aff3d464d9a84390d0f9b833f [2020-12-02 15:35:56,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:35:56,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:35:56,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:35:56,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:35:56,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:35:56,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:35:56" (1/1) ... [2020-12-02 15:35:56,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e3ef43c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:56, skipping insertion in model container [2020-12-02 15:35:56,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:35:56" (1/1) ... [2020-12-02 15:35:56,287 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:35:56,336 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:35:56,630 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0250a.c[5433,5446] [2020-12-02 15:35:56,633 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:35:56,656 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:35:56,758 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0250a.c[5433,5446] [2020-12-02 15:35:56,764 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:35:56,818 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:35:56,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:56 WrapperNode [2020-12-02 15:35:56,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:35:56,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:35:56,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:35:56,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:35:56,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:56" (1/1) ... [2020-12-02 15:35:56,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:56" (1/1) ... [2020-12-02 15:35:56,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:35:56,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:35:56,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:35:56,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:35:56,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:56" (1/1) ... [2020-12-02 15:35:56,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:56" (1/1) ... [2020-12-02 15:35:56,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:56" (1/1) ... [2020-12-02 15:35:56,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:56" (1/1) ... [2020-12-02 15:35:56,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:56" (1/1) ... [2020-12-02 15:35:56,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:56" (1/1) ... [2020-12-02 15:35:56,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:56" (1/1) ... [2020-12-02 15:35:57,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:35:57,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:35:57,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:35:57,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:35:57,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:56" (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 15:35:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:35:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:35:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:35:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-02 15:35:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:35:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:35:57,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:35:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-02 15:35:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 15:35:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:35:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:36:13,002 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:36:13,002 INFO L298 CfgBuilder]: Removed 28 assume(true) statements. [2020-12-02 15:36:13,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:36:13 BoogieIcfgContainer [2020-12-02 15:36:13,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:36:13,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:36:13,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:36:13,011 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:36:13,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:35:56" (1/3) ... [2020-12-02 15:36:13,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d905d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:36:13, skipping insertion in model container [2020-12-02 15:36:13,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:35:56" (2/3) ... [2020-12-02 15:36:13,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d905d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:36:13, skipping insertion in model container [2020-12-02 15:36:13,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:36:13" (3/3) ... [2020-12-02 15:36:13,015 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a.c [2020-12-02 15:36:13,033 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:36:13,038 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:36:13,052 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:36:13,092 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:36:13,092 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:36:13,092 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:36:13,092 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:36:13,093 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:36:13,093 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:36:13,093 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:36:13,093 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:36:13,110 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-12-02 15:36:13,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-02 15:36:13,117 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:36:13,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:36:13,118 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:36:13,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:36:13,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1900532880, now seen corresponding path program 1 times [2020-12-02 15:36:13,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:36:13,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1383395712] [2020-12-02 15:36:13,142 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 15:36:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:36:14,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:36:14,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:36:14,407 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 15:36:14,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:36:14,430 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 15:36:14,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1383395712] [2020-12-02 15:36:14,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:36:14,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:36:14,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009582939] [2020-12-02 15:36:14,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:36:14,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:36:14,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:36:14,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:36:14,472 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2020-12-02 15:36:14,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:36:14,516 INFO L93 Difference]: Finished difference Result 110 states and 178 transitions. [2020-12-02 15:36:14,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:36:14,518 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-02 15:36:14,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:36:14,535 INFO L225 Difference]: With dead ends: 110 [2020-12-02 15:36:14,535 INFO L226 Difference]: Without dead ends: 53 [2020-12-02 15:36:14,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:36:14,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-02 15:36:14,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-02 15:36:14,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-02 15:36:14,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2020-12-02 15:36:14,600 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 9 [2020-12-02 15:36:14,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:36:14,601 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2020-12-02 15:36:14,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:36:14,601 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2020-12-02 15:36:14,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-02 15:36:14,602 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:36:14,602 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:36:14,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:36:14,804 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:36:14,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:36:14,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1487817933, now seen corresponding path program 1 times [2020-12-02 15:36:14,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:36:14,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1405353388] [2020-12-02 15:36:14,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-02 15:36:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:36:15,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-02 15:36:15,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:36:17,056 WARN L197 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-02 15:36:20,345 WARN L197 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-02 15:36:27,442 WARN L197 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-02 15:36:27,475 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 15:36:27,476 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:36:30,467 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 15:36:30,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1405353388] [2020-12-02 15:36:30,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:36:30,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-12-02 15:36:30,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201065953] [2020-12-02 15:36:30,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-02 15:36:30,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:36:30,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-02 15:36:30,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-02 15:36:30,473 INFO L87 Difference]: Start difference. First operand 53 states and 70 transitions. Second operand 9 states. [2020-12-02 15:36:35,815 WARN L197 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 28 [2020-12-02 15:36:43,654 WARN L197 SmtUtils]: Spent 4.08 s on a formula simplification that was a NOOP. DAG size: 36 [2020-12-02 15:36:53,859 WARN L197 SmtUtils]: Spent 8.16 s on a formula simplification that was a NOOP. DAG size: 42 [2020-12-02 15:36:57,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:36:57,828 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2020-12-02 15:36:57,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 15:36:57,954 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 10 [2020-12-02 15:36:57,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:36:57,955 INFO L225 Difference]: With dead ends: 58 [2020-12-02 15:36:57,955 INFO L226 Difference]: Without dead ends: 12 [2020-12-02 15:36:57,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 36.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-12-02 15:36:57,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-12-02 15:36:57,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-12-02 15:36:57,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-12-02 15:36:57,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-12-02 15:36:57,959 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2020-12-02 15:36:57,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:36:57,959 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-12-02 15:36:57,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-02 15:36:57,960 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-12-02 15:36:57,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:36:57,960 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:36:57,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:36:58,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:36:58,162 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:36:58,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:36:58,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1242404338, now seen corresponding path program 1 times [2020-12-02 15:36:58,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:36:58,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035532206] [2020-12-02 15:36:58,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-02 15:36:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:36:59,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-02 15:36:59,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:37:00,849 WARN L197 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 28 [2020-12-02 15:37:02,967 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet147_8| (_ BitVec 32)) (ULTIMATE.start___ieee754_asinf_~x (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_asinf_#t~nondet62_6| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_asinf_#t~nondet63_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet148_8| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~x))) (.cse3 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_asinf_#t~nondet63_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_asinf_#t~nondet63_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_asinf_#t~nondet63_6|))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet147_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet147_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet147_8|))) (.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet148_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet148_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet148_8|)))) (and (= .cse0 (fp.div roundNearestTiesToEven .cse1 .cse2)) (= .cse3 (fp.sub roundNearestTiesToEven .cse0 .cse0)) (= (fp ((_ extract 31 31) |c_ULTIMATE.start___ieee754_asinf_#res|) ((_ extract 30 23) |c_ULTIMATE.start___ieee754_asinf_#res|) ((_ extract 22 0) |c_ULTIMATE.start___ieee754_asinf_#res|)) (fp.div roundNearestTiesToEven (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_asinf_#t~nondet62_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_asinf_#t~nondet62_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_asinf_#t~nondet62_6|)) .cse3)) (= ((_ to_fp 8 24) roundNearestTiesToEven 1.0) .cse1) (= (_ +zero 8 24) .cse2)))) is different from false [2020-12-02 15:37:03,013 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:37:03,020 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 15:37:03,891 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 15:37:03,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:37:20,686 WARN L197 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 31 [2020-12-02 15:37:21,206 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 15:37:21,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035532206] [2020-12-02 15:37:21,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:37:21,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2020-12-02 15:37:21,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021465419] [2020-12-02 15:37:21,208 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-02 15:37:21,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:37:21,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-02 15:37:21,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=69, Unknown=2, NotChecked=16, Total=110 [2020-12-02 15:37:21,209 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 11 states. [2020-12-02 15:37:27,933 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet147_8| (_ BitVec 32)) (ULTIMATE.start___ieee754_asinf_~x (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_asinf_#t~nondet62_6| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_asinf_#t~nondet63_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet148_8| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~x))) (.cse3 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_asinf_#t~nondet63_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_asinf_#t~nondet63_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_asinf_#t~nondet63_6|))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet147_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet147_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet147_8|))) (.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet148_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet148_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet148_8|)))) (and (= .cse0 (fp.div roundNearestTiesToEven .cse1 .cse2)) (= .cse3 (fp.sub roundNearestTiesToEven .cse0 .cse0)) (= (fp ((_ extract 31 31) |c_ULTIMATE.start___ieee754_asinf_#res|) ((_ extract 30 23) |c_ULTIMATE.start___ieee754_asinf_#res|) ((_ extract 22 0) |c_ULTIMATE.start___ieee754_asinf_#res|)) (fp.div roundNearestTiesToEven (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_asinf_#t~nondet62_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_asinf_#t~nondet62_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_asinf_#t~nondet62_6|)) .cse3)) (= ((_ to_fp 8 24) roundNearestTiesToEven 1.0) .cse1) (= (_ +zero 8 24) .cse2)))) (not (let ((.cse4 (fp ((_ extract 31 31) |c_ULTIMATE.start___ieee754_asinf_#res|) ((_ extract 30 23) |c_ULTIMATE.start___ieee754_asinf_#res|) ((_ extract 22 0) |c_ULTIMATE.start___ieee754_asinf_#res|)))) (fp.eq .cse4 .cse4)))) is different from false [2020-12-02 15:37:30,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:37:30,451 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-12-02 15:37:30,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 15:37:30,451 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 11 [2020-12-02 15:37:30,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:37:30,451 INFO L225 Difference]: With dead ends: 12 [2020-12-02 15:37:30,451 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 15:37:30,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 25.2s TimeCoverageRelationStatistics Valid=31, Invalid=84, Unknown=3, NotChecked=38, Total=156 [2020-12-02 15:37:30,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 15:37:30,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 15:37:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 15:37:30,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 15:37:30,453 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-12-02 15:37:30,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:37:30,453 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 15:37:30,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-02 15:37:30,453 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 15:37:30,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 15:37:30,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 15:37:30,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 15:37:33,568 WARN L197 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2020-12-02 15:37:35,697 WARN L197 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 47 DAG size of output: 7 [2020-12-02 15:37:35,765 INFO L262 CegarLoopResult]: For program point L85(lines 85 89) no Hoare annotation was computed. [2020-12-02 15:37:35,765 INFO L262 CegarLoopResult]: For program point L85-2(lines 85 89) no Hoare annotation was computed. [2020-12-02 15:37:35,765 INFO L262 CegarLoopResult]: For program point L234(lines 234 237) no Hoare annotation was computed. [2020-12-02 15:37:35,765 INFO L262 CegarLoopResult]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2020-12-02 15:37:35,765 INFO L258 CegarLoopResult]: At program point L201-2(lines 201 205) the Hoare annotation is: false [2020-12-02 15:37:35,766 INFO L262 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-12-02 15:37:35,766 INFO L262 CegarLoopResult]: For program point L69-1(lines 69 73) no Hoare annotation was computed. [2020-12-02 15:37:35,766 INFO L262 CegarLoopResult]: For program point L102-2(lines 102 106) no Hoare annotation was computed. [2020-12-02 15:37:35,766 INFO L258 CegarLoopResult]: At program point L69-2(lines 69 73) the Hoare annotation is: false [2020-12-02 15:37:35,766 INFO L262 CegarLoopResult]: For program point L69-3(lines 69 73) no Hoare annotation was computed. [2020-12-02 15:37:35,767 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 15:37:35,767 INFO L262 CegarLoopResult]: For program point L86-2(lines 86 87) no Hoare annotation was computed. [2020-12-02 15:37:35,767 INFO L258 CegarLoopResult]: At program point L86-3(lines 86 87) the Hoare annotation is: false [2020-12-02 15:37:35,767 INFO L262 CegarLoopResult]: For program point L86-4(lines 86 87) no Hoare annotation was computed. [2020-12-02 15:37:35,767 INFO L262 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-12-02 15:37:35,767 INFO L262 CegarLoopResult]: For program point L169(lines 169 184) no Hoare annotation was computed. [2020-12-02 15:37:35,767 INFO L262 CegarLoopResult]: For program point L169-1(lines 169 184) no Hoare annotation was computed. [2020-12-02 15:37:35,767 INFO L262 CegarLoopResult]: For program point L170(lines 170 183) no Hoare annotation was computed. [2020-12-02 15:37:35,768 INFO L262 CegarLoopResult]: For program point L137(lines 137 141) no Hoare annotation was computed. [2020-12-02 15:37:35,768 INFO L262 CegarLoopResult]: For program point L137-1(lines 130 143) no Hoare annotation was computed. [2020-12-02 15:37:35,768 INFO L262 CegarLoopResult]: For program point L137-2(lines 137 141) no Hoare annotation was computed. [2020-12-02 15:37:35,768 INFO L258 CegarLoopResult]: At program point L220(lines 155 221) the Hoare annotation is: (not (let ((.cse0 (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_asinf_#res|) ((_ extract 30 23) |ULTIMATE.start___ieee754_asinf_#res|) ((_ extract 22 0) |ULTIMATE.start___ieee754_asinf_#res|)))) (fp.eq .cse0 .cse0))) [2020-12-02 15:37:35,768 INFO L262 CegarLoopResult]: For program point L171(lines 171 172) no Hoare annotation was computed. [2020-12-02 15:37:35,768 INFO L262 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-12-02 15:37:35,768 INFO L258 CegarLoopResult]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2020-12-02 15:37:35,768 INFO L262 CegarLoopResult]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2020-12-02 15:37:35,769 INFO L265 CegarLoopResult]: At program point L239(lines 223 240) the Hoare annotation is: true [2020-12-02 15:37:35,769 INFO L262 CegarLoopResult]: For program point L206(lines 206 210) no Hoare annotation was computed. [2020-12-02 15:37:35,769 INFO L262 CegarLoopResult]: For program point L206-1(lines 198 216) no Hoare annotation was computed. [2020-12-02 15:37:35,770 INFO L262 CegarLoopResult]: For program point L206-2(lines 206 210) no Hoare annotation was computed. [2020-12-02 15:37:35,770 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 15:37:35,770 INFO L262 CegarLoopResult]: For program point L158-1(lines 158 162) no Hoare annotation was computed. [2020-12-02 15:37:35,771 INFO L258 CegarLoopResult]: At program point L158-2(lines 158 162) the Hoare annotation is: (and (= roundNearestTiesToEven ~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet148_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet147_6| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet147_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet147_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet147_6|))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet148_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet148_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet148_6|)))) (and (= .cse0 ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (= .cse1 (_ +zero 8 24)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~x)) (fp.div roundNearestTiesToEven .cse0 .cse1)))))) [2020-12-02 15:37:35,771 INFO L262 CegarLoopResult]: For program point L92(lines 92 93) no Hoare annotation was computed. [2020-12-02 15:37:35,771 INFO L262 CegarLoopResult]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2020-12-02 15:37:35,771 INFO L262 CegarLoopResult]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2020-12-02 15:37:35,772 INFO L258 CegarLoopResult]: At program point L142(lines 130 143) the Hoare annotation is: false [2020-12-02 15:37:35,772 INFO L262 CegarLoopResult]: For program point L76(lines 76 77) no Hoare annotation was computed. [2020-12-02 15:37:35,772 INFO L258 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) [2020-12-02 15:37:35,772 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 15:37:35,772 INFO L262 CegarLoopResult]: For program point L111(lines 111 120) no Hoare annotation was computed. [2020-12-02 15:37:35,773 INFO L258 CegarLoopResult]: At program point L128(lines 64 129) the Hoare annotation is: false [2020-12-02 15:37:35,773 INFO L262 CegarLoopResult]: For program point L79(lines 79 80) no Hoare annotation was computed. [2020-12-02 15:37:35,773 INFO L262 CegarLoopResult]: For program point L195(lines 195 216) no Hoare annotation was computed. [2020-12-02 15:37:35,773 INFO L262 CegarLoopResult]: For program point L195-2(lines 155 221) no Hoare annotation was computed. [2020-12-02 15:37:35,773 INFO L262 CegarLoopResult]: For program point L113(lines 113 119) no Hoare annotation was computed. [2020-12-02 15:37:35,774 INFO L262 CegarLoopResult]: For program point L81(lines 81 82) no Hoare annotation was computed. [2020-12-02 15:37:35,774 INFO L262 CegarLoopResult]: For program point L164(lines 164 184) no Hoare annotation was computed. [2020-12-02 15:37:35,774 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 15:37:35,774 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 235) no Hoare annotation was computed. [2020-12-02 15:37:35,775 INFO L262 CegarLoopResult]: For program point L115(lines 115 118) no Hoare annotation was computed. [2020-12-02 15:37:35,775 INFO L262 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-12-02 15:37:35,775 INFO L258 CegarLoopResult]: At program point L132-2(lines 132 136) the Hoare annotation is: false [2020-12-02 15:37:35,775 INFO L258 CegarLoopResult]: At program point L100-2(lines 100 109) the Hoare annotation is: false [2020-12-02 15:37:35,775 INFO L262 CegarLoopResult]: For program point L100-3(lines 64 129) no Hoare annotation was computed. [2020-12-02 15:37:35,776 INFO L262 CegarLoopResult]: For program point L167(lines 167 184) no Hoare annotation was computed. [2020-12-02 15:37:35,799 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:37:35,801 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:35,801 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:35,802 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:35,803 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:37:35,804 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:35,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:35,809 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:35,815 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:37:35,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:35,815 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:35,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:35,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:35,817 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:35,818 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:35,821 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:37:35,821 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:35,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:35,822 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:35,822 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:37:35,823 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:35,823 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:35,823 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:35,824 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:37:35,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:35,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:35,824 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:35,832 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:35,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:35,833 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:35,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:37:35 BoogieIcfgContainer [2020-12-02 15:37:35,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:37:35,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:37:35,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:37:35,840 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:37:35,841 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:36:13" (3/4) ... [2020-12-02 15:37:35,845 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 15:37:35,882 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-12-02 15:37:35,883 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-02 15:37:35,884 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 15:37:35,885 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 15:37:35,924 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~roundNearestTiesToEven == unknown-~CRM-unknown && (\exists v_ULTIMATE.start_main_#t~nondet148_6 : bv32, v_ULTIMATE.start_main_#t~nondet147_6 : bv32 :: (~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet147_6[31:31], v_ULTIMATE.start_main_#t~nondet147_6[30:23], v_ULTIMATE.start_main_#t~nondet147_6[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) && ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet148_6[31:31], v_ULTIMATE.start_main_#t~nondet148_6[30:23], v_ULTIMATE.start_main_#t~nondet148_6[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet147_6[31:31], v_ULTIMATE.start_main_#t~nondet147_6[30:23], v_ULTIMATE.start_main_#t~nondet147_6[22:0]), ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet148_6[31:31], v_ULTIMATE.start_main_#t~nondet148_6[30:23], v_ULTIMATE.start_main_#t~nondet148_6[22:0]))) [2020-12-02 15:37:35,926 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !~fp.eq~FLOAT(~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]), ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0])) [2020-12-02 15:37:35,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 1bv32 == \result [2020-12-02 15:37:36,050 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 15:37:36,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:37:36,054 INFO L168 Benchmark]: Toolchain (without parser) took 99791.09 ms. Allocated memory was 46.1 MB in the beginning and 73.4 MB in the end (delta: 27.3 MB). Free memory was 22.7 MB in the beginning and 46.7 MB in the end (delta: -24.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:37:36,054 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 46.1 MB. Free memory is still 30.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:37:36,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.08 ms. Allocated memory was 46.1 MB in the beginning and 60.8 MB in the end (delta: 14.7 MB). Free memory was 22.5 MB in the beginning and 42.0 MB in the end (delta: -19.4 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-12-02 15:37:36,055 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.81 ms. Allocated memory is still 60.8 MB. Free memory was 41.7 MB in the beginning and 37.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:37:36,056 INFO L168 Benchmark]: Boogie Preprocessor took 76.19 ms. Allocated memory is still 60.8 MB. Free memory was 37.6 MB in the beginning and 34.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:37:36,056 INFO L168 Benchmark]: RCFGBuilder took 15994.19 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 34.2 MB in the beginning and 29.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:37:36,057 INFO L168 Benchmark]: TraceAbstraction took 82832.35 ms. Allocated memory is still 73.4 MB. Free memory was 29.0 MB in the beginning and 29.4 MB in the end (delta: -370.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:37:36,057 INFO L168 Benchmark]: Witness Printer took 212.05 ms. Allocated memory is still 73.4 MB. Free memory was 29.4 MB in the beginning and 46.7 MB in the end (delta: -17.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-12-02 15:37:36,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 46.1 MB. Free memory is still 30.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 555.08 ms. Allocated memory was 46.1 MB in the beginning and 60.8 MB in the end (delta: 14.7 MB). Free memory was 22.5 MB in the beginning and 42.0 MB in the end (delta: -19.4 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.81 ms. Allocated memory is still 60.8 MB. Free memory was 41.7 MB in the beginning and 37.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.19 ms. Allocated memory is still 60.8 MB. Free memory was 37.6 MB in the beginning and 34.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 15994.19 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 34.2 MB in the beginning and 29.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 82832.35 ms. Allocated memory is still 73.4 MB. Free memory was 29.0 MB in the beginning and 29.4 MB in the end (delta: -370.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 212.05 ms. Allocated memory is still 73.4 MB. Free memory was 29.4 MB in the beginning and 46.7 MB in the end (delta: -17.3 MB). Peak memory consumption was 9.8 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 235]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: !~fp.eq~FLOAT(~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]), ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0])) - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 158]: Loop Invariant [2020-12-02 15:37:36,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:37:36,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:36,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:36,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:36,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:37:36,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:36,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:36,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:36,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:37:36,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:36,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:36,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:36,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:36,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:36,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:36,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:37:36,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:36,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:36,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:36,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:37:36,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:36,091 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:36,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:36,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 15:37:36,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:36,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:36,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet147_6,QUANTIFIED] [2020-12-02 15:37:36,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:36,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] [2020-12-02 15:37:36,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet148_6,QUANTIFIED] Derived loop invariant: ~roundNearestTiesToEven == unknown-~CRM-unknown && (\exists v_ULTIMATE.start_main_#t~nondet148_6 : bv32, v_ULTIMATE.start_main_#t~nondet147_6 : bv32 :: (~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet147_6[31:31], v_ULTIMATE.start_main_#t~nondet147_6[30:23], v_ULTIMATE.start_main_#t~nondet147_6[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0) && ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet148_6[31:31], v_ULTIMATE.start_main_#t~nondet148_6[30:23], v_ULTIMATE.start_main_#t~nondet148_6[22:0]) == ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet147_6[31:31], v_ULTIMATE.start_main_#t~nondet147_6[30:23], v_ULTIMATE.start_main_#t~nondet147_6[22:0]), ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet148_6[31:31], v_ULTIMATE.start_main_#t~nondet148_6[30:23], v_ULTIMATE.start_main_#t~nondet148_6[22:0]))) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 77.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 36.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 83 SDtfs, 19 SDslu, 47 SDs, 0 SdLazy, 23 SolverSat, 1 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 61.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 16 NumberOfFragments, 78 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 141 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 36.7s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 15 QuantifiedInterpolants, 9407 SizeOfPredicates, 15 NumberOfNonLiveVariables, 249 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...