./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0686b.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_0686b.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 58c97e970798c0d02a3c8bbc4e985682564e2b78 ..................................................................................................................................................................... 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_0686b.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 58c97e970798c0d02a3c8bbc4e985682564e2b78 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:49:43,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:49:43,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:49:43,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:49:43,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:49:43,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:49:43,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:49:43,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:49:43,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:49:43,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:49:43,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:49:43,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:49:43,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:49:43,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:49:43,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:49:43,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:49:43,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:49:43,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:49:43,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:49:43,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:49:43,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:49:43,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:49:43,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:49:43,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:49:43,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:49:43,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:49:43,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:49:43,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:49:43,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:49:43,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:49:43,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:49:43,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:49:43,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:49:43,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:49:43,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:49:43,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:49:43,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:49:43,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:49:43,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:49:43,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:49:43,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:49:43,815 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:49:43,870 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:49:43,871 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:49:43,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:49:43,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:49:43,875 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:49:43,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:49:43,876 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:49:43,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:49:43,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:49:43,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:49:43,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:49:43,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:49:43,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:49:43,878 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:49:43,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:49:43,879 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:49:43,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:49:43,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:49:43,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:49:43,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:49:43,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:49:43,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:49:43,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:49:43,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:49:43,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:49:43,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:49:43,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:49:43,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:49:43,882 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:49:43,882 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58c97e970798c0d02a3c8bbc4e985682564e2b78 [2020-12-02 15:49:44,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:49:44,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:49:44,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:49:44,380 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:49:44,382 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:49:44,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0686b.c [2020-12-02 15:49:44,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6e7031e9/081b85ef8a694079ac3a1ad3fb410690/FLAG9a28f17a6 [2020-12-02 15:49:45,233 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:49:45,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0686b.c [2020-12-02 15:49:45,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6e7031e9/081b85ef8a694079ac3a1ad3fb410690/FLAG9a28f17a6 [2020-12-02 15:49:45,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6e7031e9/081b85ef8a694079ac3a1ad3fb410690 [2020-12-02 15:49:45,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:49:45,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:49:45,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:49:45,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:49:45,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:49:45,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:49:45" (1/1) ... [2020-12-02 15:49:45,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7779e581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:45, skipping insertion in model container [2020-12-02 15:49:45,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:49:45" (1/1) ... [2020-12-02 15:49:45,606 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:49:45,632 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:49:45,889 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.visit(CHandler.java:704) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.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.visit(CHandler.java:1576) 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 15:49:45,898 INFO L168 Benchmark]: Toolchain (without parser) took 308.48 ms. Allocated memory is still 48.2 MB. Free memory was 26.2 MB in the beginning and 28.8 MB in the end (delta: -2.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:49:45,899 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 37.7 MB. Free memory is still 20.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:49:45,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.07 ms. Allocated memory is still 48.2 MB. Free memory was 25.9 MB in the beginning and 28.8 MB in the end (delta: -2.9 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:49:45,906 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 37.7 MB. Free memory is still 20.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 305.07 ms. Allocated memory is still 48.2 MB. Free memory was 25.9 MB in the beginning and 28.8 MB in the end (delta: -2.9 MB). Peak memory consumption was 5.5 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 15:49:48,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:49:48,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:49:48,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:49:48,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:49:48,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:49:48,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:49:48,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:49:48,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:49:48,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:49:48,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:49:48,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:49:48,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:49:48,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:49:48,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:49:48,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:49:48,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:49:48,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:49:48,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:49:48,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:49:48,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:49:48,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:49:48,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:49:48,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:49:48,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:49:48,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:49:48,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:49:48,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:49:48,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:49:48,563 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:49:48,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:49:48,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:49:48,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:49:48,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:49:48,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:49:48,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:49:48,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:49:48,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:49:48,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:49:48,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:49:48,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:49:48,580 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:49:48,631 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:49:48,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:49:48,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:49:48,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:49:48,636 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:49:48,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:49:48,636 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:49:48,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:49:48,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:49:48,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:49:48,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:49:48,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:49:48,637 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:49:48,637 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:49:48,638 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:49:48,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:49:48,643 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:49:48,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:49:48,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:49:48,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:49:48,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:49:48,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:49:48,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:49:48,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:49:48,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:49:48,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:49:48,645 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:49:48,646 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:49:48,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:49:48,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:49:48,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:49:48,646 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58c97e970798c0d02a3c8bbc4e985682564e2b78 [2020-12-02 15:49:49,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:49:49,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:49:49,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:49:49,105 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:49:49,105 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:49:49,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0686b.c [2020-12-02 15:49:49,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e93d8259/f2b973a218924b0b9b56c02ea7cc968b/FLAG55731c23b [2020-12-02 15:49:49,931 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:49:49,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0686b.c [2020-12-02 15:49:49,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e93d8259/f2b973a218924b0b9b56c02ea7cc968b/FLAG55731c23b [2020-12-02 15:49:50,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e93d8259/f2b973a218924b0b9b56c02ea7cc968b [2020-12-02 15:49:50,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:49:50,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:49:50,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:49:50,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:49:50,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:49:50,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:49:50" (1/1) ... [2020-12-02 15:49:50,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cf1ca5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:50, skipping insertion in model container [2020-12-02 15:49:50,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:49:50" (1/1) ... [2020-12-02 15:49:50,271 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:49:50,321 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:49:50,634 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_0686b.c[5269,5282] [2020-12-02 15:49:50,641 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:49:50,701 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:49:50,796 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_0686b.c[5269,5282] [2020-12-02 15:49:50,797 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:49:50,855 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:49:50,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:50 WrapperNode [2020-12-02 15:49:50,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:49:50,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:49:50,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:49:50,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:49:50,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:50" (1/1) ... [2020-12-02 15:49:50,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:50" (1/1) ... [2020-12-02 15:49:51,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:49:51,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:49:51,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:49:51,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:49:51,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:50" (1/1) ... [2020-12-02 15:49:51,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:50" (1/1) ... [2020-12-02 15:49:51,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:50" (1/1) ... [2020-12-02 15:49:51,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:50" (1/1) ... [2020-12-02 15:49:51,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:50" (1/1) ... [2020-12-02 15:49:51,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:50" (1/1) ... [2020-12-02 15:49:51,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:50" (1/1) ... [2020-12-02 15:49:51,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:49:51,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:49:51,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:49:51,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:49:51,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:50" (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 15:49:51,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:49:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-12-02 15:49:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:49:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:49:51,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-02 15:49:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:49:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:49:51,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:49:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-02 15:49:51,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 15:49:51,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:49:51,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:50:28,750 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:50:28,751 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-02 15:50:28,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:50:28 BoogieIcfgContainer [2020-12-02 15:50:28,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:50:28,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:50:28,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:50:28,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:50:28,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:49:50" (1/3) ... [2020-12-02 15:50:28,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2062e584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:50:28, skipping insertion in model container [2020-12-02 15:50:28,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:49:50" (2/3) ... [2020-12-02 15:50:28,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2062e584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:50:28, skipping insertion in model container [2020-12-02 15:50:28,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:50:28" (3/3) ... [2020-12-02 15:50:28,763 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0686b.c [2020-12-02 15:50:28,780 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:50:28,785 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:50:28,796 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:50:28,840 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:50:28,841 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:50:28,841 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:50:28,841 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:50:28,841 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:50:28,842 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:50:28,842 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:50:28,842 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:50:28,861 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2020-12-02 15:50:28,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-02 15:50:28,868 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:50:28,869 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:50:28,870 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:50:28,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:50:28,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1264035265, now seen corresponding path program 1 times [2020-12-02 15:50:28,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:50:28,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [476283140] [2020-12-02 15:50:28,895 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 15:50:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:50:30,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:50:30,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:50:30,764 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 15:50:30,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:50:30,787 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 15:50:30,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [476283140] [2020-12-02 15:50:30,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:50:30,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:50:30,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459420489] [2020-12-02 15:50:30,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:50:30,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:50:30,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:50:30,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:50:30,815 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2020-12-02 15:50:30,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:50:30,850 INFO L93 Difference]: Finished difference Result 216 states and 362 transitions. [2020-12-02 15:50:30,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:50:30,852 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-02 15:50:30,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:50:30,865 INFO L225 Difference]: With dead ends: 216 [2020-12-02 15:50:30,865 INFO L226 Difference]: Without dead ends: 106 [2020-12-02 15:50:30,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 15:50:30,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-12-02 15:50:30,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-12-02 15:50:30,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-12-02 15:50:30,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 154 transitions. [2020-12-02 15:50:30,923 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 154 transitions. Word has length 10 [2020-12-02 15:50:30,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:50:30,923 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 154 transitions. [2020-12-02 15:50:30,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:50:30,923 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 154 transitions. [2020-12-02 15:50:30,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 15:50:30,924 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:50:30,924 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:50:31,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:50:31,140 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:50:31,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:50:31,142 INFO L82 PathProgramCache]: Analyzing trace with hash -925353302, now seen corresponding path program 1 times [2020-12-02 15:50:31,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:50:31,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95083899] [2020-12-02 15:50:31,144 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 15:50:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:50:32,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-02 15:50:32,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:50:38,362 WARN L197 SmtUtils]: Spent 4.22 s on a formula simplification that was a NOOP. DAG size: 54 [2020-12-02 15:50:48,452 WARN L197 SmtUtils]: Spent 4.02 s on a formula simplification that was a NOOP. DAG size: 54 [2020-12-02 15:51:01,207 WARN L197 SmtUtils]: Spent 4.21 s on a formula simplification that was a NOOP. DAG size: 58 [2020-12-02 15:51:20,649 WARN L197 SmtUtils]: Spent 4.65 s on a formula simplification that was a NOOP. DAG size: 58 [2020-12-02 15:51:53,321 WARN L197 SmtUtils]: Spent 5.04 s on a formula simplification that was a NOOP. DAG size: 61 [2020-12-02 15:51:53,347 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 15:51:53,347 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:52:13,432 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-02 15:52:13,443 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-02 15:52:13,446 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 8 conjuncts [2020-12-02 15:52:15,892 WARN L860 $PredicateComparison]: unable to prove that (and (or (forall ((|v_ULTIMATE.start___ieee754_atan2f_#in~x_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet182_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet181_6| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet181_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet181_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet181_6|))) (.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet182_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet182_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet182_6|)))) (or (not (= .cse0 (_ +zero 8 24))) (not (bvsgt (bvand (_ bv2147483647 32) |v_ULTIMATE.start___ieee754_atan2f_#in~x_2|) (_ bv2139095040 32))) (not (= .cse1 ((_ to_fp 8 24) c_~CRM 1.0))) (not (= (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_atan2f_#in~x_2|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_atan2f_#in~x_2|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_atan2f_#in~x_2|)) (fp.div c_~CRM .cse1 .cse0)))))) (forall ((|v_ULTIMATE.start_main_#t~nondet186_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet185_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet184_6| (_ BitVec 32)) (v_ULTIMATE.start___ieee754_atan2f_~y_8 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet184_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet184_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet184_6|))) (.cse3 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet185_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet185_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet185_6|))) (.cse4 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet186_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet186_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet186_6|)))) (or (not (= (fp.neg .cse2) .cse3)) (not (= .cse4 (_ +zero 8 24))) (not (= ((_ to_fp 8 24) c_~CRM 1.0) .cse2)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~y_8) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~y_8) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~y_8)) (fp.div c_~CRM .cse3 .cse4))))))) (or (forall ((|v_ULTIMATE.start___ieee754_atan2f_#in~x_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet182_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet181_6| (_ BitVec 32))) (let ((.cse6 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet181_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet181_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet181_6|))) (.cse5 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet182_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet182_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet182_6|)))) (or (not (= .cse5 (_ +zero 8 24))) (not (= .cse6 ((_ to_fp 8 24) c_~CRM 1.0))) (not (= (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_atan2f_#in~x_2|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_atan2f_#in~x_2|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_atan2f_#in~x_2|)) (fp.div c_~CRM .cse6 .cse5)))))) (forall ((|v_ULTIMATE.start_main_#t~nondet186_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet185_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet184_6| (_ BitVec 32)) (v_ULTIMATE.start___ieee754_atan2f_~y_8 (_ BitVec 32))) (let ((.cse7 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet184_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet184_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet184_6|))) (.cse8 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet185_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet185_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet185_6|))) (.cse9 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet186_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet186_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet186_6|)))) (or (not (= (fp.neg .cse7) .cse8)) (not (= .cse9 (_ +zero 8 24))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~y_8) (_ bv2139095040 32))) (not (= ((_ to_fp 8 24) c_~CRM 1.0) .cse7)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~y_8) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~y_8) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~y_8)) (fp.div c_~CRM .cse8 .cse9)))))))) is different from true [2020-12-02 15:52:15,894 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 15:52:15,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95083899] [2020-12-02 15:52:15,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:52:15,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2020-12-02 15:52:15,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433548139] [2020-12-02 15:52:15,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-02 15:52:15,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:52:15,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-02 15:52:15,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=113, Unknown=17, NotChecked=22, Total=182 [2020-12-02 15:52:15,899 INFO L87 Difference]: Start difference. First operand 106 states and 154 transitions. Second operand 14 states. [2020-12-02 15:52:18,092 WARN L860 $PredicateComparison]: unable to prove that (and (or (forall ((|v_ULTIMATE.start___ieee754_atan2f_#in~x_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet182_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet181_6| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet181_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet181_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet181_6|))) (.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet182_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet182_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet182_6|)))) (or (not (= .cse0 (_ +zero 8 24))) (not (bvsgt (bvand (_ bv2147483647 32) |v_ULTIMATE.start___ieee754_atan2f_#in~x_2|) (_ bv2139095040 32))) (not (= .cse1 ((_ to_fp 8 24) c_~CRM 1.0))) (not (= (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_atan2f_#in~x_2|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_atan2f_#in~x_2|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_atan2f_#in~x_2|)) (fp.div c_~CRM .cse1 .cse0)))))) (forall ((|v_ULTIMATE.start_main_#t~nondet186_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet185_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet184_6| (_ BitVec 32)) (v_ULTIMATE.start___ieee754_atan2f_~y_8 (_ BitVec 32))) (let ((.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet184_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet184_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet184_6|))) (.cse3 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet185_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet185_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet185_6|))) (.cse4 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet186_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet186_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet186_6|)))) (or (not (= (fp.neg .cse2) .cse3)) (not (= .cse4 (_ +zero 8 24))) (not (= ((_ to_fp 8 24) c_~CRM 1.0) .cse2)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~y_8) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~y_8) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~y_8)) (fp.div c_~CRM .cse3 .cse4))))))) (= roundNearestTiesToEven c_~CRM) (or (forall ((|v_ULTIMATE.start___ieee754_atan2f_#in~x_2| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet182_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet181_6| (_ BitVec 32))) (let ((.cse6 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet181_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet181_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet181_6|))) (.cse5 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet182_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet182_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet182_6|)))) (or (not (= .cse5 (_ +zero 8 24))) (not (= .cse6 ((_ to_fp 8 24) c_~CRM 1.0))) (not (= (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_atan2f_#in~x_2|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_atan2f_#in~x_2|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_atan2f_#in~x_2|)) (fp.div c_~CRM .cse6 .cse5)))))) (forall ((|v_ULTIMATE.start_main_#t~nondet186_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet185_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet184_6| (_ BitVec 32)) (v_ULTIMATE.start___ieee754_atan2f_~y_8 (_ BitVec 32))) (let ((.cse7 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet184_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet184_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet184_6|))) (.cse8 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet185_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet185_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet185_6|))) (.cse9 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet186_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet186_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet186_6|)))) (or (not (= (fp.neg .cse7) .cse8)) (not (= .cse9 (_ +zero 8 24))) (not (bvsgt (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_atan2f_~y_8) (_ bv2139095040 32))) (not (= ((_ to_fp 8 24) c_~CRM 1.0) .cse7)) (not (= (fp ((_ extract 31 31) v_ULTIMATE.start___ieee754_atan2f_~y_8) ((_ extract 30 23) v_ULTIMATE.start___ieee754_atan2f_~y_8) ((_ extract 22 0) v_ULTIMATE.start___ieee754_atan2f_~y_8)) (fp.div c_~CRM .cse8 .cse9)))))))) is different from true [2020-12-02 15:52:48,568 WARN L197 SmtUtils]: Spent 8.52 s on a formula simplification that was a NOOP. DAG size: 62 [2020-12-02 15:53:32,651 WARN L197 SmtUtils]: Spent 16.20 s on a formula simplification that was a NOOP. DAG size: 68 [2020-12-02 15:53:36,944 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet186_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet185_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet184_6| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet184_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet184_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet184_6|))) (.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet185_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet185_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet185_6|))) (.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet186_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet186_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet186_6|)))) (and (= (fp.neg .cse0) .cse1) (= .cse2 (_ +zero 8 24)) (= ((_ to_fp 8 24) roundNearestTiesToEven 1.0) .cse0) (= (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_atan2f_~y) ((_ extract 30 23) c_ULTIMATE.start___ieee754_atan2f_~y) ((_ extract 22 0) c_ULTIMATE.start___ieee754_atan2f_~y)) (fp.div roundNearestTiesToEven .cse1 .cse2))))) (exists ((|v_ULTIMATE.start_main_#t~nondet186_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet185_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet184_6| (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet184_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet184_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet184_6|))) (.cse4 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet185_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet185_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet185_6|))) (.cse5 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet186_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet186_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet186_6|)))) (and (= (fp.neg .cse3) .cse4) (= .cse5 (_ +zero 8 24)) (= ((_ to_fp 8 24) roundNearestTiesToEven 1.0) .cse3) (= (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) c_ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) c_ULTIMATE.start___ieee754_atan2f_~hy~0)) (fp.div roundNearestTiesToEven .cse4 .cse5))))) (exists ((|v_ULTIMATE.start_main_#t~nondet182_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet181_6| (_ BitVec 32))) (let ((.cse6 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet181_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet181_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet181_6|))) (.cse7 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet182_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet182_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet182_6|)))) (and (= .cse6 ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (= (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_atan2f_~x) ((_ extract 30 23) c_ULTIMATE.start___ieee754_atan2f_~x) ((_ extract 22 0) c_ULTIMATE.start___ieee754_atan2f_~x)) (fp.div roundNearestTiesToEven .cse6 .cse7)) (= .cse7 (_ +zero 8 24))))) (exists ((|v_ULTIMATE.start_main_#t~nondet182_6| (_ BitVec 32)) (ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet181_6| (_ BitVec 32))) (let ((.cse8 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet181_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet181_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet181_6|))) (.cse9 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet182_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet182_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet182_6|)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.div roundNearestTiesToEven .cse8 .cse9)) (= .cse8 ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (= .cse9 (_ +zero 8 24)) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) c_ULTIMATE.start___ieee754_atan2f_~ix~2)))) (exists ((|v_ULTIMATE.start_main_#t~nondet182_6| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet181_6| (_ BitVec 32))) (let ((.cse10 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet181_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet181_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet181_6|))) (.cse11 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet182_6|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet182_6|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet182_6|)))) (and (= (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) c_ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) c_ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.div roundNearestTiesToEven .cse10 .cse11)) (= .cse10 ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (= .cse11 (_ +zero 8 24)))))) is different from false [2020-12-02 15:54:12,012 WARN L197 SmtUtils]: Spent 9.47 s on a formula simplification that was a NOOP. DAG size: 63 [2020-12-02 15:57:48,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:57:48,579 INFO L93 Difference]: Finished difference Result 173 states and 249 transitions. [2020-12-02 15:57:48,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-02 15:57:48,669 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 12 [2020-12-02 15:57:48,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:57:48,672 INFO L225 Difference]: With dead ends: 173 [2020-12-02 15:57:48,672 INFO L226 Difference]: Without dead ends: 102 [2020-12-02 15:57:48,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 209.9s TimeCoverageRelationStatistics Valid=55, Invalid=166, Unknown=31, NotChecked=90, Total=342 [2020-12-02 15:57:48,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-12-02 15:57:48,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98. [2020-12-02 15:57:48,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-12-02 15:57:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 137 transitions. [2020-12-02 15:57:48,698 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 137 transitions. Word has length 12 [2020-12-02 15:57:48,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:57:48,699 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 137 transitions. [2020-12-02 15:57:48,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-02 15:57:48,699 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2020-12-02 15:57:48,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-02 15:57:48,701 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:57:48,701 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:57:48,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:57:48,913 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:57:48,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:57:48,915 INFO L82 PathProgramCache]: Analyzing trace with hash 1635375429, now seen corresponding path program 1 times [2020-12-02 15:57:48,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:57:48,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [904266449] [2020-12-02 15:57:48,917 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 15:57:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:57:50,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-02 15:57:50,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:57:51,870 WARN L197 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-02 15:57:58,237 WARN L197 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-02 15:58:01,337 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-02 15:58:01,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [904266449] [2020-12-02 15:58:01,340 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") [2020-12-02 15:58:01,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1337402307] [2020-12-02 15:58:01,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-12-02 15:58:01,362 WARN L195 Executor]: External (cvc4 --incremental --print-success --lang smt --rewrite-divk) stderr output: (error "Error in option parsing: can't understand option `--rewrite-divk'") Please use --help to get help on command-line options. [2020-12-02 15:58:01,364 FATAL L? ?]: Ignoring exception! de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (cvc4 --incremental --print-success --lang smt --rewrite-divk)Received EOF on stdin. stderr output: (error "Error in option parsing: can't understand option `--rewrite-divk'") Please use --help to get help on command-line options. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:222) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.createProcess(Executor.java:108) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.(Executor.java:83) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.(Scriptor.java:72) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.solverbuilder.SolverBuilder.buildScript(SolverBuilder.java:149) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.solverbuilder.SolverBuilder.buildAndInitializeSolver(SolverBuilder.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 34 more [2020-12-02 15:58:01,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152011229] [2020-12-02 15:58:01,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-02 15:58:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:58:03,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-02 15:58:03,608 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@7599fd68 [2020-12-02 15:58:03,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:58:03,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-12-02 15:58:03,608 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-12-02 15:58:03,608 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 15:58:04,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-02 15:58:04,062 WARN L254 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-12-02 15:58:04,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:58:04 BoogieIcfgContainer [2020-12-02 15:58:04,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:58:04,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:58:04,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:58:04,065 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:58:04,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:50:28" (3/4) ... [2020-12-02 15:58:04,070 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 15:58:04,070 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:58:04,072 INFO L168 Benchmark]: Toolchain (without parser) took 493825.48 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 30.2 MB in the beginning and 43.0 MB in the end (delta: -12.7 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2020-12-02 15:58:04,073 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 41.9 MB. Free memory was 21.5 MB in the beginning and 21.5 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:58:04,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.00 ms. Allocated memory is still 54.5 MB. Free memory was 30.0 MB in the beginning and 35.8 MB in the end (delta: -5.8 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2020-12-02 15:58:04,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.74 ms. Allocated memory is still 54.5 MB. Free memory was 35.8 MB in the beginning and 29.7 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-02 15:58:04,076 INFO L168 Benchmark]: Boogie Preprocessor took 184.42 ms. Allocated memory is still 54.5 MB. Free memory was 29.7 MB in the beginning and 24.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:58:04,077 INFO L168 Benchmark]: RCFGBuilder took 37564.45 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 24.7 MB in the beginning and 34.2 MB in the end (delta: -9.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2020-12-02 15:58:04,078 INFO L168 Benchmark]: TraceAbstraction took 455308.77 ms. Allocated memory is still 83.9 MB. Free memory was 33.6 MB in the beginning and 43.2 MB in the end (delta: -9.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:58:04,079 INFO L168 Benchmark]: Witness Printer took 6.31 ms. Allocated memory is still 83.9 MB. Free memory was 43.2 MB in the beginning and 43.0 MB in the end (delta: 282.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:58:04,085 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 41.9 MB. Free memory was 21.5 MB in the beginning and 21.5 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 611.00 ms. Allocated memory is still 54.5 MB. Free memory was 30.0 MB in the beginning and 35.8 MB in the end (delta: -5.8 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 138.74 ms. Allocated memory is still 54.5 MB. Free memory was 35.8 MB in the beginning and 29.7 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 184.42 ms. Allocated memory is still 54.5 MB. Free memory was 29.7 MB in the beginning and 24.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 37564.45 ms. Allocated memory was 54.5 MB in the beginning and 83.9 MB in the end (delta: 29.4 MB). Free memory was 24.7 MB in the beginning and 34.2 MB in the end (delta: -9.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 455308.77 ms. Allocated memory is still 83.9 MB. Free memory was 33.6 MB in the beginning and 43.2 MB in the end (delta: -9.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.31 ms. Allocated memory is still 83.9 MB. Free memory was 43.2 MB in the beginning and 43.0 MB in the end (delta: 282.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 231]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L30] EXPR 4.6364760399e-01 [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L31] EXPR 7.8539812565e-01 [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L32] EXPR 9.8279368877e-01 [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L33] EXPR 1.5707962513e+00 [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L31] 7.8539812565e-01 [L33] 1.5707962513e+00 [L30] 4.6364760399e-01 [L32] 9.8279368877e-01 [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L37] EXPR 5.0121582440e-09 [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L38] EXPR 3.7748947079e-08 [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L39] EXPR 3.4473217170e-08 [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L40] EXPR 7.5497894159e-08 [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L38] 3.7748947079e-08 [L40] 7.5497894159e-08 [L37] 5.0121582440e-09 [L39] 3.4473217170e-08 [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L44] EXPR 3.3333334327e-01 [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L44] EXPR 2.0000000298e-01 [L44] EXPR -2.0000000298e-01 [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L44] EXPR 1.4285714924e-01 [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L44] EXPR 1.1111110449e-01 [L44] EXPR -1.1111110449e-01 [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L45] EXPR 9.0908870101e-02 [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L45] EXPR 7.6918758452e-02 [L45] EXPR -7.6918758452e-02 [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L45] EXPR 6.6610731184e-02 [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L45] EXPR 5.8335702866e-02 [L45] EXPR -5.8335702866e-02 [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L46] EXPR 4.9768779427e-02 [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L46] EXPR 3.6531571299e-02 [L46] EXPR -3.6531571299e-02 [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L46] EXPR 1.6285819933e-02 [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L44] EXPR 1.1111110449e-01 [L45] 9.0908870101e-02 [L45] -5.8335702866e-02 [L44] EXPR 2.0000000298e-01 [L46] 1.6285819933e-02 [L45] 6.6610731184e-02 [L46] EXPR 3.6531571299e-02 [L44] -2.0000000298e-01 [L45] EXPR 7.6918758452e-02 [L44] -1.1111110449e-01 [L46] -3.6531571299e-02 [L46] 4.9768779427e-02 [L44] 1.4285714924e-01 [L45] -7.6918758452e-02 [L44] 3.3333334327e-01 [L45] 5.8335702866e-02 [L49] EXPR 1.0 [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L49] EXPR 1.0 [L49] EXPR 1.0e30 [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L49] EXPR 1.0e30 [L50] EXPR 7.8539818525e-01 [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L50] EXPR 7.8539818525e-01 [L50] EXPR 1.5707963705e+00 [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L50] EXPR 1.5707963705e+00 [L51] EXPR 3.1415927410e+00 [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L51] 3.1415927410e+00 [L117] EXPR 1.0e-30 [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L117] EXPR 1.0e-30 [L117] EXPR 0.0 [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L118] EXPR 8.7422776573e-08 [L118] EXPR -8.7422776573e-08 [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L118] 8.7422776573e-08 [L224] EXPR 1.0f [L224] EXPR 0.0f [L224] EXPR 1.0f / 0.0f [L224] float x = 1.0f / 0.0f; [L225] EXPR 1.0f [L225] EXPR -1.0f [L225] EXPR 0.0f [L225] EXPR -1.0f / 0.0f [L225] float y = -1.0f / 0.0f; [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff [L136] COND FALSE !(((ix) > 0x7f800000L) || ((iy) > 0x7f800000L)) [L138] COND FALSE !(hx == 0x3f800000) [L140] m = ((hy >> 31) & 1) | ((hx >> 30) & 2) [L142] COND FALSE !(((iy) == 0)) [L154] COND FALSE !(((ix) == 0)) [L157] COND TRUE ((ix) == 0x7f800000L) [L158] COND FALSE !(((iy) == 0x7f800000L)) [L171] case 0: [L172] return zero_atan2; [L227] float res = __ieee754_atan2f(y, x); [L230] EXPR -pi_o_4 [L230] COND TRUE res != -pi_o_4 [L231] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 109 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 455.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 332.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 286 SDtfs, 99 SDslu, 865 SDs, 0 SdLazy, 107 SolverSat, 3 SolverUnsat, 76 SolverUnknown, 0 SolverNotchecked, 209.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 209.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred 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, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 103.3s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 40 ConstructedInterpolants, 8 QuantifiedInterpolants, 12515 SizeOfPredicates, 11 NumberOfNonLiveVariables, 244 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...