./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0670.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/double_req_bl_0670.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 bb50b7c19c9d21598c287653a966a53d9b3d656b ..................................................................................................................................................................... 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/double_req_bl_0670.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 bb50b7c19c9d21598c287653a966a53d9b3d656b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:19:04,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:19:04,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:19:04,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:19:04,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:19:04,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:19:04,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:19:04,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:19:04,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:19:04,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:19:04,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:19:04,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:19:04,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:19:04,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:19:04,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:19:04,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:19:04,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:19:04,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:19:04,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:19:04,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:19:04,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:19:04,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:19:04,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:19:04,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:19:04,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:19:04,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:19:04,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:19:04,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:19:04,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:19:04,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:19:04,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:19:04,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:19:04,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:19:04,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:19:04,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:19:04,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:19:04,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:19:04,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:19:04,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:19:04,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:19:04,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:19:04,691 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:19:04,738 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:19:04,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:19:04,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:19:04,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:19:04,744 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:19:04,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:19:04,745 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:19:04,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:19:04,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:19:04,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:19:04,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:19:04,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:19:04,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:19:04,747 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:19:04,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:19:04,748 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:19:04,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:19:04,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:19:04,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:19:04,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:19:04,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:19:04,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:19:04,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:19:04,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:19:04,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:19:04,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:19:04,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:19:04,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:19:04,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:19:04,751 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb50b7c19c9d21598c287653a966a53d9b3d656b [2020-12-02 15:19:05,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:19:05,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:19:05,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:19:05,211 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:19:05,212 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:19:05,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0670.c [2020-12-02 15:19:05,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8c95cff2/ad9b012f82714196b8f9d17604bea741/FLAGba9ef3653 [2020-12-02 15:19:05,960 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:19:05,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0670.c [2020-12-02 15:19:05,990 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8c95cff2/ad9b012f82714196b8f9d17604bea741/FLAGba9ef3653 [2020-12-02 15:19:06,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8c95cff2/ad9b012f82714196b8f9d17604bea741 [2020-12-02 15:19:06,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:19:06,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:19:06,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:19:06,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:19:06,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:19:06,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:19:06" (1/1) ... [2020-12-02 15:19:06,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cdbb93c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:06, skipping insertion in model container [2020-12-02 15:19:06,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:19:06" (1/1) ... [2020-12-02 15:19:06,314 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:19:06,368 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:19:06,547 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 15:19:06,555 INFO L168 Benchmark]: Toolchain (without parser) took 258.03 ms. Allocated memory was 37.7 MB in the beginning and 46.1 MB in the end (delta: 8.4 MB). Free memory was 22.6 MB in the beginning and 30.1 MB in the end (delta: -7.5 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2020-12-02 15:19:06,556 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 37.7 MB. Free memory was 24.9 MB in the beginning and 24.8 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:19:06,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.26 ms. Allocated memory was 37.7 MB in the beginning and 46.1 MB in the end (delta: 8.4 MB). Free memory was 22.4 MB in the beginning and 30.1 MB in the end (delta: -7.7 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2020-12-02 15:19:06,560 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 37.7 MB. Free memory was 24.9 MB in the beginning and 24.8 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 255.26 ms. Allocated memory was 37.7 MB in the beginning and 46.1 MB in the end (delta: 8.4 MB). Free memory was 22.4 MB in the beginning and 30.1 MB in the end (delta: -7.7 MB). Peak memory consumption was 8.8 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 15:19:08,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:19:08,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:19:08,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:19:08,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:19:08,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:19:08,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:19:08,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:19:08,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:19:08,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:19:08,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:19:08,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:19:08,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:19:08,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:19:08,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:19:08,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:19:08,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:19:08,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:19:08,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:19:08,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:19:08,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:19:08,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:19:08,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:19:08,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:19:08,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:19:08,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:19:08,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:19:08,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:19:08,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:19:08,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:19:08,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:19:08,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:19:08,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:19:08,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:19:08,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:19:08,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:19:08,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:19:08,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:19:08,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:19:08,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:19:08,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:19:08,927 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:19:08,982 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:19:08,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:19:08,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:19:08,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:19:08,986 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:19:08,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:19:08,986 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:19:08,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:19:08,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:19:08,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:19:08,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:19:08,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:19:08,989 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:19:08,989 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:19:08,989 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:19:08,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:19:08,990 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:19:08,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:19:08,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:19:08,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:19:08,991 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:19:08,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:19:08,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:19:08,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:19:08,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:19:08,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:19:08,992 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:19:08,993 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:19:08,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:19:08,993 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:19:08,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:19:08,994 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb50b7c19c9d21598c287653a966a53d9b3d656b [2020-12-02 15:19:09,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:19:09,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:19:09,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:19:09,458 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:19:09,459 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:19:09,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0670.c [2020-12-02 15:19:09,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15700dfcb/345e8f69b1f54d11af5eab8dc8c0a0af/FLAG2aff0dec8 [2020-12-02 15:19:10,103 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:19:10,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0670.c [2020-12-02 15:19:10,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15700dfcb/345e8f69b1f54d11af5eab8dc8c0a0af/FLAG2aff0dec8 [2020-12-02 15:19:10,473 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15700dfcb/345e8f69b1f54d11af5eab8dc8c0a0af [2020-12-02 15:19:10,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:19:10,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:19:10,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:19:10,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:19:10,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:19:10,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:19:10" (1/1) ... [2020-12-02 15:19:10,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f99b608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:10, skipping insertion in model container [2020-12-02 15:19:10,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:19:10" (1/1) ... [2020-12-02 15:19:10,540 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:19:10,590 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:19:10,833 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/double_req_bl_0670.c[6324,6337] [2020-12-02 15:19:10,836 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:19:10,860 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:19:10,954 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/double_req_bl_0670.c[6324,6337] [2020-12-02 15:19:10,955 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:19:10,997 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:19:10,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:10 WrapperNode [2020-12-02 15:19:10,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:19:10,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:19:10,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:19:11,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:19:11,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:10" (1/1) ... [2020-12-02 15:19:11,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:10" (1/1) ... [2020-12-02 15:19:11,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:19:11,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:19:11,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:19:11,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:19:11,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:10" (1/1) ... [2020-12-02 15:19:11,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:10" (1/1) ... [2020-12-02 15:19:11,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:10" (1/1) ... [2020-12-02 15:19:11,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:10" (1/1) ... [2020-12-02 15:19:11,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:10" (1/1) ... [2020-12-02 15:19:11,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:10" (1/1) ... [2020-12-02 15:19:11,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:10" (1/1) ... [2020-12-02 15:19:11,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:19:11,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:19:11,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:19:11,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:19:11,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:10" (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 15:19:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:19:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 15:19:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 15:19:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:19:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:19:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-02 15:19:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:19:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:19:11,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:19:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:19:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:20:01,082 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:20:01,082 INFO L298 CfgBuilder]: Removed 50 assume(true) statements. [2020-12-02 15:20:01,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:01 BoogieIcfgContainer [2020-12-02 15:20:01,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:20:01,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:20:01,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:20:01,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:20:01,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:19:10" (1/3) ... [2020-12-02 15:20:01,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34895409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:20:01, skipping insertion in model container [2020-12-02 15:20:01,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:19:10" (2/3) ... [2020-12-02 15:20:01,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34895409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:20:01, skipping insertion in model container [2020-12-02 15:20:01,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:01" (3/3) ... [2020-12-02 15:20:01,094 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0670.c [2020-12-02 15:20:01,109 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:20:01,113 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:20:01,125 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:20:01,164 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:20:01,165 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:20:01,165 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:20:01,165 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:20:01,165 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:20:01,166 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:20:01,166 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:20:01,166 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:20:01,190 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2020-12-02 15:20:01,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-02 15:20:01,199 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:20:01,200 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:20:01,200 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:20:01,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:20:01,216 INFO L82 PathProgramCache]: Analyzing trace with hash 2082511170, now seen corresponding path program 1 times [2020-12-02 15:20:01,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:20:01,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1750944074] [2020-12-02 15:20:01,236 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 15:20:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:20:01,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:20:01,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:20:01,842 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 15:20:01,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:20:01,857 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 15:20:01,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1750944074] [2020-12-02 15:20:01,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:20:01,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:20:01,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438757758] [2020-12-02 15:20:01,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:20:01,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:20:01,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:20:01,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:20:01,884 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2020-12-02 15:20:01,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:20:01,919 INFO L93 Difference]: Finished difference Result 232 states and 388 transitions. [2020-12-02 15:20:01,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:20:01,921 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2020-12-02 15:20:01,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:20:01,936 INFO L225 Difference]: With dead ends: 232 [2020-12-02 15:20:01,937 INFO L226 Difference]: Without dead ends: 115 [2020-12-02 15:20:01,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 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 15:20:01,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-12-02 15:20:01,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-12-02 15:20:01,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-12-02 15:20:01,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2020-12-02 15:20:01,988 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 14 [2020-12-02 15:20:01,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:20:01,989 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2020-12-02 15:20:01,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:20:01,990 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2020-12-02 15:20:01,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-02 15:20:01,991 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:20:01,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:20:02,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:20:02,205 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:20:02,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:20:02,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1907166553, now seen corresponding path program 1 times [2020-12-02 15:20:02,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:20:02,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563080207] [2020-12-02 15:20:02,210 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 15:20:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:20:02,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-02 15:20:02,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:20:03,494 WARN L197 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-02 15:20:03,513 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-12-02 15:20:03,514 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:04,118 WARN L197 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-02 15:20:04,432 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-02 15:20:04,765 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-02 15:20:06,004 WARN L197 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-12-02 15:20:06,017 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:06,022 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 15:20:07,316 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 15:20:07,317 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:20:38,727 WARN L197 SmtUtils]: Spent 3.78 s on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 15:20:41,338 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start___ieee754_atan2_#res_23| (_ BitVec 64)) (ULTIMATE.start___ieee754_atan2_~y (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_atan2_#res_23|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_atan2_#res_23|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_atan2_#res_23|)))) (or (not (fp.eq .cse0 .cse0)) (not (= .cse0 (fp.add c_~CRM (fp ((_ extract 63 63) c_ULTIMATE.start_main_~x~0) ((_ extract 62 52) c_ULTIMATE.start_main_~x~0) ((_ extract 51 0) c_ULTIMATE.start_main_~x~0)) (fp ((_ extract 63 63) ULTIMATE.start___ieee754_atan2_~y) ((_ extract 62 52) ULTIMATE.start___ieee754_atan2_~y) ((_ extract 51 0) ULTIMATE.start___ieee754_atan2_~y)))))))) is different from false [2020-12-02 15:20:49,845 WARN L197 SmtUtils]: Spent 3.56 s on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 15:20:59,229 WARN L197 SmtUtils]: Spent 3.77 s on a formula simplification that was a NOOP. DAG size: 27 [2020-12-02 15:20:59,395 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 15:20:59,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1563080207] [2020-12-02 15:20:59,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:20:59,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2020-12-02 15:20:59,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944111434] [2020-12-02 15:20:59,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-02 15:20:59,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:20:59,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-02 15:20:59,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=191, Unknown=9, NotChecked=28, Total=272 [2020-12-02 15:20:59,404 INFO L87 Difference]: Start difference. First operand 115 states and 164 transitions. Second operand 17 states. [2020-12-02 15:21:02,783 WARN L197 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-02 15:21:16,513 WARN L197 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 41 DAG size of output: 15 [2020-12-02 15:21:18,849 WARN L197 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 21 [2020-12-02 15:21:23,878 WARN L197 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2020-12-02 15:21:30,691 WARN L197 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2020-12-02 15:21:45,518 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-02 15:24:51,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:24:51,012 INFO L93 Difference]: Finished difference Result 213 states and 299 transitions. [2020-12-02 15:24:51,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-02 15:24:51,044 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 16 [2020-12-02 15:24:51,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:24:51,047 INFO L225 Difference]: With dead ends: 213 [2020-12-02 15:24:51,047 INFO L226 Difference]: Without dead ends: 208 [2020-12-02 15:24:51,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 80.1s TimeCoverageRelationStatistics Valid=115, Invalid=337, Unknown=14, NotChecked=40, Total=506 [2020-12-02 15:24:51,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-12-02 15:24:51,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 123. [2020-12-02 15:24:51,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-12-02 15:24:51,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 172 transitions. [2020-12-02 15:24:51,073 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 172 transitions. Word has length 16 [2020-12-02 15:24:51,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:24:51,074 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 172 transitions. [2020-12-02 15:24:51,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-12-02 15:24:51,075 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 172 transitions. [2020-12-02 15:24:51,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-02 15:24:51,077 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:24:51,077 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:24:51,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:24:51,280 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:24:51,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:24:51,281 INFO L82 PathProgramCache]: Analyzing trace with hash 2144381910, now seen corresponding path program 1 times [2020-12-02 15:24:51,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:24:51,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [706681080] [2020-12-02 15:24:51,283 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 15:24:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:24:51,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-02 15:24:51,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:24:52,552 WARN L197 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-02 15:24:52,565 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-12-02 15:24:52,566 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:24:53,287 WARN L197 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-02 15:24:53,671 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-02 15:24:55,017 WARN L197 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-12-02 15:24:55,029 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:24:55,031 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 15:24:56,594 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 15:24:56,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:25:00,941 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start___ieee754_atan2_#res_25| (_ BitVec 64)) (ULTIMATE.start___ieee754_atan2_~x (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_atan2_#res_25|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_atan2_#res_25|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_atan2_#res_25|)))) (or (not (fp.eq .cse0 .cse0)) (not (= (fp.add c_~CRM (fp ((_ extract 63 63) ULTIMATE.start___ieee754_atan2_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_atan2_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_atan2_~x)) (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_atan2_~y) ((_ extract 62 52) c_ULTIMATE.start___ieee754_atan2_~y) ((_ extract 51 0) c_ULTIMATE.start___ieee754_atan2_~y))) .cse0))))) is different from false [2020-12-02 15:25:09,737 WARN L197 SmtUtils]: Spent 4.16 s on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 15:25:17,122 WARN L197 SmtUtils]: Spent 3.81 s on a formula simplification that was a NOOP. DAG size: 27 [2020-12-02 15:25:17,233 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 15:25:17,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [706681080] [2020-12-02 15:25:17,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:25:17,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2020-12-02 15:25:17,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702011580] [2020-12-02 15:25:17,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-02 15:25:17,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:25:17,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-02 15:25:17,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=149, Unknown=1, NotChecked=24, Total=210 [2020-12-02 15:25:17,236 INFO L87 Difference]: Start difference. First operand 123 states and 172 transitions. Second operand 15 states. [2020-12-02 15:25:26,068 WARN L197 SmtUtils]: Spent 4.63 s on a formula simplification that was a NOOP. DAG size: 39 [2020-12-02 15:25:28,527 WARN L197 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 24 [2020-12-02 15:25:31,338 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (= (_ bv1 32) |c_ULTIMATE.start_isnan_double_#res|))) (and (forall ((|v_ULTIMATE.start___ieee754_atan2_#res_25| (_ BitVec 64)) (ULTIMATE.start___ieee754_atan2_~x (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_atan2_#res_25|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_atan2_#res_25|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_atan2_#res_25|)))) (or (not (fp.eq .cse0 .cse0)) (not (= (fp.add c_~CRM (fp ((_ extract 63 63) ULTIMATE.start___ieee754_atan2_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_atan2_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_atan2_~x)) (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_atan2_~y) ((_ extract 62 52) c_ULTIMATE.start___ieee754_atan2_~y) ((_ extract 51 0) c_ULTIMATE.start___ieee754_atan2_~y))) .cse0))))) (= roundNearestTiesToEven c_~CRM) (not (let ((.cse1 (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_atan2_~y) ((_ extract 62 52) c_ULTIMATE.start___ieee754_atan2_~y) ((_ extract 51 0) c_ULTIMATE.start___ieee754_atan2_~y)))) (fp.eq .cse1 .cse1))) (let ((.cse2 (let ((.cse4 (fp ((_ extract 63 63) c_ULTIMATE.start_main_~y~0) ((_ extract 62 52) c_ULTIMATE.start_main_~y~0) ((_ extract 51 0) c_ULTIMATE.start_main_~y~0)))) (fp.eq .cse4 .cse4)))) (or (and (not .cse2) .cse3) (and .cse2 (= (_ bv0 32) |c_ULTIMATE.start_isnan_double_#res|)))) (or (not |c_ULTIMATE.start_main_#t~short181|) (forall ((|v_ULTIMATE.start___ieee754_atan2_#res_25| (_ BitVec 64)) (ULTIMATE.start___ieee754_atan2_~x (_ BitVec 64))) (let ((.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start___ieee754_atan2_#res_25|) ((_ extract 62 52) |v_ULTIMATE.start___ieee754_atan2_#res_25|) ((_ extract 51 0) |v_ULTIMATE.start___ieee754_atan2_#res_25|)))) (or (not (fp.eq .cse5 .cse5)) (not (= .cse5 (fp.add c_~CRM (fp ((_ extract 63 63) ULTIMATE.start___ieee754_atan2_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_atan2_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_atan2_~x)) (fp ((_ extract 63 63) c_ULTIMATE.start_main_~y~0) ((_ extract 62 52) c_ULTIMATE.start_main_~y~0) ((_ extract 51 0) c_ULTIMATE.start_main_~y~0))))))))) .cse3)) is different from false [2020-12-02 15:25:53,643 WARN L197 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 18 [2020-12-02 15:25:59,963 WARN L197 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 30 DAG size of output: 21 [2020-12-02 15:26:05,797 WARN L197 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 32 DAG size of output: 23 [2020-12-02 15:29:28,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:29:28,802 INFO L93 Difference]: Finished difference Result 213 states and 298 transitions. [2020-12-02 15:29:28,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-02 15:29:28,839 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 17 [2020-12-02 15:29:28,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:29:28,842 INFO L225 Difference]: With dead ends: 213 [2020-12-02 15:29:28,842 INFO L226 Difference]: Without dead ends: 208 [2020-12-02 15:29:28,843 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 63.4s TimeCoverageRelationStatistics Valid=79, Invalid=269, Unknown=2, NotChecked=70, Total=420 [2020-12-02 15:29:28,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-12-02 15:29:28,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 128. [2020-12-02 15:29:28,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-12-02 15:29:28,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2020-12-02 15:29:28,866 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 17 [2020-12-02 15:29:28,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:29:28,867 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2020-12-02 15:29:28,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-02 15:29:28,867 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2020-12-02 15:29:28,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-02 15:29:28,869 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:28,869 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:29,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 15:29:29,072 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:29,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:29,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1759093575, now seen corresponding path program 1 times [2020-12-02 15:29:29,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:29:29,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430618236] [2020-12-02 15:29:29,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-02 15:29:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:29:29,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-02 15:29:29,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:29:30,014 WARN L197 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-02 15:29:30,019 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-12-02 15:29:30,020 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:29:30,681 WARN L197 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-02 15:29:31,973 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 15:29:31,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:29:32,859 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-12-02 15:29:33,852 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2020-12-02 15:29:34,766 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-02 15:29:36,010 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-02 15:29:36,771 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-02 15:29:37,749 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-02 15:29:37,796 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 15:29:37,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430618236] [2020-12-02 15:29:37,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:29:37,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2020-12-02 15:29:37,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212616180] [2020-12-02 15:29:37,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-02 15:29:37,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:29:37,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-02 15:29:37,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-12-02 15:29:37,799 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand 14 states. [2020-12-02 15:29:39,381 WARN L197 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-02 15:29:40,663 WARN L197 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 12 [2020-12-02 15:29:41,866 WARN L197 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 18 [2020-12-02 15:29:43,070 WARN L197 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 23 [2020-12-02 15:29:44,544 WARN L197 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2020-12-02 15:29:45,709 WARN L197 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 15:29:49,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:29:49,499 INFO L93 Difference]: Finished difference Result 224 states and 312 transitions. [2020-12-02 15:29:49,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-02 15:29:49,500 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2020-12-02 15:29:49,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:29:49,502 INFO L225 Difference]: With dead ends: 224 [2020-12-02 15:29:49,502 INFO L226 Difference]: Without dead ends: 191 [2020-12-02 15:29:49,503 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-12-02 15:29:49,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-12-02 15:29:49,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 132. [2020-12-02 15:29:49,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-12-02 15:29:49,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 184 transitions. [2020-12-02 15:29:49,515 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 184 transitions. Word has length 21 [2020-12-02 15:29:49,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:29:49,515 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 184 transitions. [2020-12-02 15:29:49,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-02 15:29:49,516 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 184 transitions. [2020-12-02 15:29:49,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-02 15:29:49,517 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:49,518 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:49,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 15:29:49,732 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:49,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:49,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1210389367, now seen corresponding path program 1 times [2020-12-02 15:29:49,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:29:49,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [77641743] [2020-12-02 15:29:49,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-02 15:29:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:29:50,488 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:29:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:29:51,070 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:29:51,214 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-02 15:29:51,214 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 15:29:51,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-02 15:29:51,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:29:51 BoogieIcfgContainer [2020-12-02 15:29:51,489 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:29:51,489 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:29:51,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:29:51,490 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:29:51,490 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:01" (3/4) ... [2020-12-02 15:29:51,499 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-02 15:29:51,593 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 15:29:51,593 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:29:51,595 INFO L168 Benchmark]: Toolchain (without parser) took 641116.19 ms. Allocated memory was 39.8 MB in the beginning and 73.4 MB in the end (delta: 33.6 MB). Free memory was 15.6 MB in the beginning and 42.8 MB in the end (delta: -27.1 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:51,595 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 39.8 MB. Free memory was 25.0 MB in the beginning and 25.0 MB in the end (delta: 39.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:29:51,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.15 ms. Allocated memory was 39.8 MB in the beginning and 50.3 MB in the end (delta: 10.5 MB). Free memory was 15.5 MB in the beginning and 27.0 MB in the end (delta: -11.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:51,597 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.46 ms. Allocated memory is still 50.3 MB. Free memory was 27.0 MB in the beginning and 21.0 MB in the end (delta: 5.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:51,597 INFO L168 Benchmark]: Boogie Preprocessor took 98.97 ms. Allocated memory is still 50.3 MB. Free memory was 21.0 MB in the beginning and 26.6 MB in the end (delta: -5.6 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:51,598 INFO L168 Benchmark]: RCFGBuilder took 49879.99 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 26.4 MB in the beginning and 32.5 MB in the end (delta: -6.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:51,599 INFO L168 Benchmark]: TraceAbstraction took 590402.66 ms. Allocated memory is still 73.4 MB. Free memory was 32.0 MB in the beginning and 16.6 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:51,599 INFO L168 Benchmark]: Witness Printer took 104.11 ms. Allocated memory is still 73.4 MB. Free memory was 16.6 MB in the beginning and 42.8 MB in the end (delta: -26.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:51,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 39.8 MB. Free memory was 25.0 MB in the beginning and 25.0 MB in the end (delta: 39.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 517.15 ms. Allocated memory was 39.8 MB in the beginning and 50.3 MB in the end (delta: 10.5 MB). Free memory was 15.5 MB in the beginning and 27.0 MB in the end (delta: -11.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.46 ms. Allocated memory is still 50.3 MB. Free memory was 27.0 MB in the beginning and 21.0 MB in the end (delta: 5.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 98.97 ms. Allocated memory is still 50.3 MB. Free memory was 21.0 MB in the beginning and 26.6 MB in the end (delta: -5.6 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 49879.99 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 26.4 MB in the beginning and 32.5 MB in the end (delta: -6.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 590402.66 ms. Allocated memory is still 73.4 MB. Free memory was 32.0 MB in the beginning and 16.6 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * Witness Printer took 104.11 ms. Allocated memory is still 73.4 MB. Free memory was 16.6 MB in the beginning and 42.8 MB in the end (delta: -26.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 264]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L40] EXPR 4.63647609000806093515e-01 [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L41] EXPR 7.85398163397448278999e-01 [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L42] EXPR 9.82793723247329054082e-01 [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L43] EXPR 1.57079632679489655800e+00 [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L42] 9.82793723247329054082e-01 [L41] 7.85398163397448278999e-01 [L40] 4.63647609000806093515e-01 [L43] 1.57079632679489655800e+00 [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L47] EXPR 2.26987774529616870924e-17 [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L48] EXPR 3.06161699786838301793e-17 [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L49] EXPR 1.39033110312309984516e-17 [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L50] EXPR 6.12323399573676603587e-17 [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L47] 2.26987774529616870924e-17 [L50] 6.12323399573676603587e-17 [L48] 3.06161699786838301793e-17 [L49] 1.39033110312309984516e-17 [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54] EXPR 3.33333333333329318027e-01 [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54] EXPR 1.99999999998764832476e-01 [L54] EXPR -1.99999999998764832476e-01 [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L55] EXPR 1.42857142725034663711e-01 [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L55] EXPR 1.11111104054623557880e-01 [L55] EXPR -1.11111104054623557880e-01 [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L56] EXPR 9.09088713343650656196e-02 [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L56] EXPR 7.69187620504482999495e-02 [L56] EXPR -7.69187620504482999495e-02 [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L57] EXPR 6.66107313738753120669e-02 [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L57] EXPR 5.83357013379057348645e-02 [L57] EXPR -5.83357013379057348645e-02 [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L58] EXPR 4.97687799461593236017e-02 [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L58] EXPR 3.65315727442169155270e-02 [L58] EXPR -3.65315727442169155270e-02 [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L59] EXPR 1.62858201153657823623e-02 [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L54] EXPR 1.99999999998764832476e-01 [L56] EXPR 7.69187620504482999495e-02 [L57] EXPR 5.83357013379057348645e-02 [L55] -1.11111104054623557880e-01 [L55] 1.11111104054623557880e-01 [L58] -3.65315727442169155270e-02 [L57] -5.83357013379057348645e-02 [L58] 4.97687799461593236017e-02 [L56] 9.09088713343650656196e-02 [L56] -7.69187620504482999495e-02 [L57] 6.66107313738753120669e-02 [L54] 3.33333333333329318027e-01 [L54] -1.99999999998764832476e-01 [L58] 3.65315727442169155270e-02 [L59] 1.62858201153657823623e-02 [L55] 1.42857142725034663711e-01 [L62] EXPR 1.0 [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L62] EXPR 1.0 [L62] EXPR 7.8539816339744827900E-01 [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L62] EXPR 7.8539816339744827900E-01 [L63] EXPR 1.5707963267948965580E+00 [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L63] EXPR 1.5707963267948965580E+00 [L64] EXPR 3.1415926535897931160E+00 [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L64] EXPR 3.1415926535897931160E+00 [L64] EXPR 1.0e300 [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L64] 1.0e300 [L141] EXPR 1.0e-300 [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L141] EXPR 0.0 [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L142] EXPR 1.2246467991473531772E-16 [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L142] 1.2246467991473531772E-16 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=9094988921128908188, one_atan=4607182418800017408, pi=4614256656552045848, pi_lo_atan2=4368955796522032135, pi_o_2=4609753056924675352, pi_o_4=4605249457297304856, tiny_atan2=118622047889322841, zero_atan2=0] [L255] double x = __VERIFIER_nondet_double(); [L256] double y = __VERIFIER_nondet_double(); [L247] return x != x; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=9094988921128908188, one_atan=4607182418800017408, pi=4614256656552045848, pi_lo_atan2=4368955796522032135, pi_o_2=4609753056924675352, pi_o_4=4605249457297304856, tiny_atan2=118622047889322841, zero_atan2=0] [L258] isnan_double(x) || isnan_double(y) VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=9094988921128908188, one_atan=4607182418800017408, pi=4614256656552045848, pi_lo_atan2=4368955796522032135, pi_o_2=4609753056924675352, pi_o_4=4605249457297304856, tiny_atan2=118622047889322841, zero_atan2=0] [L258] COND TRUE isnan_double(x) || isnan_double(y) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=9094988921128908188, one_atan=4607182418800017408, pi=4614256656552045848, pi_lo_atan2=4368955796522032135, pi_o_2=4609753056924675352, pi_o_4=4605249457297304856, tiny_atan2=118622047889322841, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=9094988921128908188, one_atan=4607182418800017408, pi=4614256656552045848, pi_lo_atan2=4368955796522032135, pi_o_2=4609753056924675352, pi_o_4=4605249457297304856, tiny_atan2=118622047889322841, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=9094988921128908188, one_atan=4607182418800017408, pi=4614256656552045848, pi_lo_atan2=4368955796522032135, pi_o_2=4609753056924675352, pi_o_4=4605249457297304856, tiny_atan2=118622047889322841, zero_atan2=0] [L163-L164] COND FALSE !(((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000)) VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=9094988921128908188, one_atan=4607182418800017408, pi=4614256656552045848, pi_lo_atan2=4368955796522032135, pi_o_2=4609753056924675352, pi_o_4=4605249457297304856, tiny_atan2=118622047889322841, zero_atan2=0] [L166] COND FALSE !(((hx - 0x3ff00000) | lx) == 0) [L168] m = ((hy >> 31) & 1) | ((hx >> 30) & 2) VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=9094988921128908188, one_atan=4607182418800017408, pi=4614256656552045848, pi_lo_atan2=4368955796522032135, pi_o_2=4609753056924675352, pi_o_4=4605249457297304856, tiny_atan2=118622047889322841, zero_atan2=0] [L170] COND TRUE (iy | ly) == 0 [L172] case 0: VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=9094988921128908188, one_atan=4607182418800017408, pi=4614256656552045848, pi_lo_atan2=4368955796522032135, pi_o_2=4609753056924675352, pi_o_4=4605249457297304856, tiny_atan2=118622047889322841, zero_atan2=0] [L173] case 1: [L174] return y; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=9094988921128908188, one_atan=4607182418800017408, pi=4614256656552045848, pi_lo_atan2=4368955796522032135, pi_o_2=4609753056924675352, pi_o_4=4605249457297304856, tiny_atan2=118622047889322841, zero_atan2=0] [L260] double res = __ieee754_atan2(y, x); [L247] return x != x; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=9094988921128908188, one_atan=4607182418800017408, pi=4614256656552045848, pi_lo_atan2=4368955796522032135, pi_o_2=4609753056924675352, pi_o_4=4605249457297304856, tiny_atan2=118622047889322841, zero_atan2=0] [L263] COND TRUE !isnan_double(res) [L264] reach_error() VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=9094988921128908188, one_atan=4607182418800017408, pi=4614256656552045848, pi_lo_atan2=4368955796522032135, pi_o_2=4609753056924675352, pi_o_4=4605249457297304856, tiny_atan2=118622047889322841, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 119 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 590.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 495.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 663 SDtfs, 1783 SDslu, 4139 SDs, 0 SdLazy, 741 SolverSat, 37 SolverUnsat, 106 SolverUnknown, 0 SolverNotchecked, 414.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 86 SyntacticMatches, 4 SemanticMatches, 58 ConstructedPredicates, 3 IntricatePredicates, 2 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 157.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=4, 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, 4 MinimizatonAttempts, 224 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 90.4s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 128 ConstructedInterpolants, 43 QuantifiedInterpolants, 31998 SizeOfPredicates, 44 NumberOfNonLiveVariables, 582 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...