./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0621a.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_0621a.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 20179cb02a70115ea8641ea0c1600b32a4f0fdd2 ..................................................................................................................................................................... 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_0621a.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 20179cb02a70115ea8641ea0c1600b32a4f0fdd2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:16:39,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:16:39,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:16:39,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:16:39,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:16:39,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:16:39,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:16:39,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:16:39,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:16:39,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:16:39,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:16:39,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:16:39,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:16:39,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:16:39,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:16:39,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:16:39,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:16:39,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:16:39,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:16:39,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:16:39,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:16:39,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:16:39,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:16:39,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:16:39,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:16:39,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:16:39,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:16:39,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:16:39,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:16:39,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:16:39,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:16:39,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:16:39,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:16:39,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:16:39,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:16:39,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:16:39,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:16:39,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:16:39,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:16:39,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:16:39,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:16:39,171 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:16:39,236 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:16:39,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:16:39,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:16:39,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:16:39,243 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:16:39,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:16:39,243 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:16:39,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:16:39,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:16:39,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:16:39,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:16:39,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:16:39,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:16:39,247 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:16:39,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:16:39,247 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:16:39,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:16:39,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:16:39,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:16:39,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:16:39,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:16:39,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:16:39,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:16:39,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:16:39,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:16:39,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:16:39,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:16:39,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:16:39,251 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:16:39,251 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20179cb02a70115ea8641ea0c1600b32a4f0fdd2 [2020-12-02 15:16:39,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:16:39,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:16:39,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:16:39,699 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:16:39,700 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:16:39,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0621a.c [2020-12-02 15:16:39,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38afc9d41/925c9846ff89445caca4ddbc49c05abd/FLAG393341d19 [2020-12-02 15:16:40,457 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:16:40,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0621a.c [2020-12-02 15:16:40,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38afc9d41/925c9846ff89445caca4ddbc49c05abd/FLAG393341d19 [2020-12-02 15:16:40,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38afc9d41/925c9846ff89445caca4ddbc49c05abd [2020-12-02 15:16:40,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:16:40,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:16:40,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:16:40,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:16:40,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:16:40,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:16:40" (1/1) ... [2020-12-02 15:16:40,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e388fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:40, skipping insertion in model container [2020-12-02 15:16:40,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:16:40" (1/1) ... [2020-12-02 15:16:40,848 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:16:40,892 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:16:41,160 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 15:16:41,169 INFO L168 Benchmark]: Toolchain (without parser) took 348.13 ms. Allocated memory is still 46.1 MB. Free memory was 23.0 MB in the beginning and 25.5 MB in the end (delta: -2.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-12-02 15:16:41,171 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 46.1 MB. Free memory was 32.1 MB in the beginning and 32.1 MB in the end (delta: 22.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:16:41,174 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.08 ms. Allocated memory is still 46.1 MB. Free memory was 22.8 MB in the beginning and 25.5 MB in the end (delta: -2.7 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-12-02 15:16:41,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 46.1 MB. Free memory was 32.1 MB in the beginning and 32.1 MB in the end (delta: 22.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 340.08 ms. Allocated memory is still 46.1 MB. Free memory was 22.8 MB in the beginning and 25.5 MB in the end (delta: -2.7 MB). Peak memory consumption was 5.6 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 15:16:43,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:16:43,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:16:43,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:16:43,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:16:43,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:16:43,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:16:43,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:16:43,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:16:43,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:16:43,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:16:43,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:16:43,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:16:43,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:16:43,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:16:43,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:16:43,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:16:43,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:16:43,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:16:43,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:16:43,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:16:43,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:16:43,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:16:43,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:16:43,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:16:43,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:16:43,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:16:43,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:16:43,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:16:43,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:16:43,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:16:43,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:16:43,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:16:43,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:16:43,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:16:43,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:16:43,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:16:43,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:16:43,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:16:43,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:16:43,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:16:43,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:16:43,796 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:16:43,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:16:43,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:16:43,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:16:43,800 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:16:43,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:16:43,801 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:16:43,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:16:43,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:16:43,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:16:43,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:16:43,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:16:43,804 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:16:43,804 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:16:43,805 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:16:43,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:16:43,805 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:16:43,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:16:43,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:16:43,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:16:43,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:16:43,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:16:43,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:16:43,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:16:43,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:16:43,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:16:43,808 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:16:43,808 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:16:43,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:16:43,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:16:43,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:16:43,809 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20179cb02a70115ea8641ea0c1600b32a4f0fdd2 [2020-12-02 15:16:44,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:16:44,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:16:44,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:16:44,341 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:16:44,342 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:16:44,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0621a.c [2020-12-02 15:16:44,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c52e5accb/aada181a65154d49ad284f93d64d8699/FLAG1b1046400 [2020-12-02 15:16:45,243 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:16:45,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0621a.c [2020-12-02 15:16:45,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c52e5accb/aada181a65154d49ad284f93d64d8699/FLAG1b1046400 [2020-12-02 15:16:45,569 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c52e5accb/aada181a65154d49ad284f93d64d8699 [2020-12-02 15:16:45,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:16:45,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:16:45,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:16:45,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:16:45,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:16:45,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:16:45" (1/1) ... [2020-12-02 15:16:45,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23654318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:45, skipping insertion in model container [2020-12-02 15:16:45,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:16:45" (1/1) ... [2020-12-02 15:16:45,619 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:16:45,644 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:16:45,931 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_0621a.c[3711,3724] [2020-12-02 15:16:45,936 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:16:45,959 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:16:46,038 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_0621a.c[3711,3724] [2020-12-02 15:16:46,042 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:16:46,093 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:16:46,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:46 WrapperNode [2020-12-02 15:16:46,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:16:46,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:16:46,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:16:46,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:16:46,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:46" (1/1) ... [2020-12-02 15:16:46,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:46" (1/1) ... [2020-12-02 15:16:46,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:16:46,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:16:46,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:16:46,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:16:46,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:46" (1/1) ... [2020-12-02 15:16:46,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:46" (1/1) ... [2020-12-02 15:16:46,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:46" (1/1) ... [2020-12-02 15:16:46,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:46" (1/1) ... [2020-12-02 15:16:46,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:46" (1/1) ... [2020-12-02 15:16:46,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:46" (1/1) ... [2020-12-02 15:16:46,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:46" (1/1) ... [2020-12-02 15:16:46,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:16:46,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:16:46,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:16:46,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:16:46,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:46" (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 15:16:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:16:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 15:16:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 15:16:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:16:46,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:16:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-02 15:16:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:16:46,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:16:46,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:16:46,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:16:46,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:17:04,281 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:17:04,282 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-02 15:17:04,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:17:04 BoogieIcfgContainer [2020-12-02 15:17:04,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:17:04,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:17:04,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:17:04,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:17:04,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:16:45" (1/3) ... [2020-12-02 15:17:04,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557b8b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:17:04, skipping insertion in model container [2020-12-02 15:17:04,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:16:46" (2/3) ... [2020-12-02 15:17:04,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557b8b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:17:04, skipping insertion in model container [2020-12-02 15:17:04,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:17:04" (3/3) ... [2020-12-02 15:17:04,297 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0621a.c [2020-12-02 15:17:04,319 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:17:04,325 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:17:04,339 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:17:04,378 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:17:04,378 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:17:04,378 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:17:04,379 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:17:04,379 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:17:04,379 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:17:04,379 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:17:04,379 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:17:04,395 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-12-02 15:17:04,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-02 15:17:04,402 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:17:04,403 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:17:04,404 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:17:04,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:17:04,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1035664421, now seen corresponding path program 1 times [2020-12-02 15:17:04,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:17:04,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306338011] [2020-12-02 15:17:04,428 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 15:17:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:17:05,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:17:05,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:17:06,019 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 15:17:06,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:17:06,043 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 15:17:06,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306338011] [2020-12-02 15:17:06,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:17:06,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:17:06,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139841907] [2020-12-02 15:17:06,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:17:06,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:17:06,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:17:06,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:17:06,071 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2020-12-02 15:17:06,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:17:06,101 INFO L93 Difference]: Finished difference Result 66 states and 104 transitions. [2020-12-02 15:17:06,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:17:06,103 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-02 15:17:06,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:17:06,114 INFO L225 Difference]: With dead ends: 66 [2020-12-02 15:17:06,115 INFO L226 Difference]: Without dead ends: 31 [2020-12-02 15:17:06,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:17:06,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-12-02 15:17:06,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-12-02 15:17:06,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-12-02 15:17:06,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 41 transitions. [2020-12-02 15:17:06,161 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 41 transitions. Word has length 10 [2020-12-02 15:17:06,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:17:06,162 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 41 transitions. [2020-12-02 15:17:06,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:17:06,162 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2020-12-02 15:17:06,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 15:17:06,163 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:17:06,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:17:06,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:17:06,380 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:17:06,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:17:06,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1843594333, now seen corresponding path program 1 times [2020-12-02 15:17:06,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:17:06,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321323322] [2020-12-02 15:17:06,385 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 15:17:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:17:07,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-02 15:17:07,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:17:10,048 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet119_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet118_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet118_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet119_6|)))) (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse0) (= (_ +zero 11 53) .cse1) (= (fp.div roundNearestTiesToEven .cse0 .cse1) (fp ((_ extract 63 63) c_ULTIMATE.start_atan_double_~x) ((_ extract 62 52) c_ULTIMATE.start_atan_double_~x) ((_ extract 51 0) c_ULTIMATE.start_atan_double_~x)))))) is different from false [2020-12-02 15:17:12,221 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_#t~nondet119_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet118_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet118_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet119_6|)))) (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse0) (= (_ +zero 11 53) .cse1) (= (fp.div roundNearestTiesToEven .cse0 .cse1) (fp ((_ extract 63 63) c_ULTIMATE.start_atan_double_~x) ((_ extract 62 52) c_ULTIMATE.start_atan_double_~x) ((_ extract 51 0) c_ULTIMATE.start_atan_double_~x)))))) (= c_ULTIMATE.start_atan_double_~hx~0 ((_ extract 63 32) c_ULTIMATE.start_atan_double_~x))) is different from false [2020-12-02 15:17:14,387 WARN L838 $PredicateComparison]: unable to prove that (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) c_ULTIMATE.start_atan_double_~x)) c_ULTIMATE.start_atan_double_~ix~0) (exists ((|v_ULTIMATE.start_main_#t~nondet119_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet118_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet118_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet119_6|)))) (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse0) (= (_ +zero 11 53) .cse1) (= (fp.div roundNearestTiesToEven .cse0 .cse1) (fp ((_ extract 63 63) c_ULTIMATE.start_atan_double_~x) ((_ extract 62 52) c_ULTIMATE.start_atan_double_~x) ((_ extract 51 0) c_ULTIMATE.start_atan_double_~x))))))) is different from false [2020-12-02 15:17:14,545 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2020-12-02 15:17:14,598 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:17:14,634 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:17:14,635 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:17:22,320 WARN L197 SmtUtils]: Spent 7.68 s on a formula simplification that was a NOOP. DAG size: 32 [2020-12-02 15:17:22,321 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:17:22,327 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-02 15:17:22,328 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:66, output treesize:55 [2020-12-02 15:17:24,453 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet119_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet118_6| (_ BitVec 64)) (ULTIMATE.start_atan_double_~x (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet118_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet119_6|)))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) ULTIMATE.start_atan_double_~x)) c_ULTIMATE.start_atan_double_~ix~0) (= c_ULTIMATE.start_atan_double_~low~0 ((_ extract 31 0) ULTIMATE.start_atan_double_~x)) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse0) (= (_ +zero 11 53) .cse1) (= (fp.div roundNearestTiesToEven .cse0 .cse1) (fp ((_ extract 63 63) ULTIMATE.start_atan_double_~x) ((_ extract 62 52) ULTIMATE.start_atan_double_~x) ((_ extract 51 0) ULTIMATE.start_atan_double_~x)))))) is different from false [2020-12-02 15:17:24,513 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 15:17:24,514 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:17:24,845 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-02 15:17:24,928 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2020-12-02 15:17:24,978 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:17:25,025 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:17:25,026 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-02 15:17:25,215 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-02 15:17:25,215 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:17:25,218 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-02 15:17:25,218 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:16 [2020-12-02 15:17:25,580 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2020-12-02 15:17:25,959 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-02 15:17:26,424 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-02 15:17:26,436 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-02 15:17:26,441 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-02 15:17:28,966 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_main_#t~nondet119_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet118_6| (_ BitVec 64)) (v_ULTIMATE.start_atan_double_~x_21 (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet119_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet118_6|)))) (or (not (= (_ +zero 11 53) .cse0)) (not (= (fp ((_ extract 63 63) v_ULTIMATE.start_atan_double_~x_21) ((_ extract 62 52) v_ULTIMATE.start_atan_double_~x_21) ((_ extract 51 0) v_ULTIMATE.start_atan_double_~x_21)) (fp.div c_~CRM .cse1 .cse0))) (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse1)) (not (bvsgt (bvand (_ bv2147483647 32) ((_ extract 63 32) v_ULTIMATE.start_atan_double_~x_21)) (_ bv2146435072 32)))))) (forall ((|v_ULTIMATE.start_main_#t~nondet119_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet118_6| (_ BitVec 64)) (v_ULTIMATE.start_atan_double_~x_21 (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet119_6|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet118_6|)))) (or (not (= (_ +zero 11 53) .cse2)) (not (= (fp ((_ extract 63 63) v_ULTIMATE.start_atan_double_~x_21) ((_ extract 62 52) v_ULTIMATE.start_atan_double_~x_21) ((_ extract 51 0) v_ULTIMATE.start_atan_double_~x_21)) (fp.div c_~CRM .cse3 .cse2))) (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse3)) (= ((_ extract 31 0) v_ULTIMATE.start_atan_double_~x_21) (_ bv0 32)) (not (= (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) v_ULTIMATE.start_atan_double_~x_21)) (_ bv2148532224 32)) (_ bv0 32))))))) is different from true [2020-12-02 15:17:28,969 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 15:17:28,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321323322] [2020-12-02 15:17:28,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:17:28,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2020-12-02 15:17:28,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484667365] [2020-12-02 15:17:28,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-02 15:17:28,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:17:28,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-02 15:17:28,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=36, Unknown=5, NotChecked=70, Total=132 [2020-12-02 15:17:28,975 INFO L87 Difference]: Start difference. First operand 31 states and 41 transitions. Second operand 12 states. [2020-12-02 15:17:31,660 WARN L860 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (forall ((|v_ULTIMATE.start_main_#t~nondet119_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet118_6| (_ BitVec 64)) (v_ULTIMATE.start_atan_double_~x_21 (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet119_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet118_6|)))) (or (not (= (_ +zero 11 53) .cse0)) (not (= (fp ((_ extract 63 63) v_ULTIMATE.start_atan_double_~x_21) ((_ extract 62 52) v_ULTIMATE.start_atan_double_~x_21) ((_ extract 51 0) v_ULTIMATE.start_atan_double_~x_21)) (fp.div c_~CRM .cse1 .cse0))) (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse1)) (not (bvsgt (bvand (_ bv2147483647 32) ((_ extract 63 32) v_ULTIMATE.start_atan_double_~x_21)) (_ bv2146435072 32)))))) (forall ((|v_ULTIMATE.start_main_#t~nondet119_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet118_6| (_ BitVec 64)) (v_ULTIMATE.start_atan_double_~x_21 (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet119_6|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet118_6|)))) (or (not (= (_ +zero 11 53) .cse2)) (not (= (fp ((_ extract 63 63) v_ULTIMATE.start_atan_double_~x_21) ((_ extract 62 52) v_ULTIMATE.start_atan_double_~x_21) ((_ extract 51 0) v_ULTIMATE.start_atan_double_~x_21)) (fp.div c_~CRM .cse3 .cse2))) (not (= ((_ to_fp 11 53) c_~CRM 1.0) .cse3)) (= ((_ extract 31 0) v_ULTIMATE.start_atan_double_~x_21) (_ bv0 32)) (not (= (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) v_ULTIMATE.start_atan_double_~x_21)) (_ bv2148532224 32)) (_ bv0 32))))))) is different from true [2020-12-02 15:17:33,883 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (bvand (_ bv2147483647 32) ((_ extract 63 32) c_ULTIMATE.start_atan_double_~x)))) (and (not (bvsgt .cse0 (_ bv2146435072 32))) (exists ((|v_ULTIMATE.start_main_#t~nondet119_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet118_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet118_6|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet119_6|)))) (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse1) (= (_ +zero 11 53) .cse2) (= (fp.div roundNearestTiesToEven .cse1 .cse2) (fp ((_ extract 63 63) c_ULTIMATE.start_atan_double_~x) ((_ extract 62 52) c_ULTIMATE.start_atan_double_~x) ((_ extract 51 0) c_ULTIMATE.start_atan_double_~x)))))) (or (not (= (bvadd .cse0 (_ bv2148532224 32)) (_ bv0 32))) (= (_ bv0 32) ((_ extract 31 0) c_ULTIMATE.start_atan_double_~x))))) is different from false [2020-12-02 15:17:36,131 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (bvand (_ bv2147483647 32) c_ULTIMATE.start_atan_double_~hx~0))) (and (not (bvsgt .cse0 (_ bv2146435072 32))) (exists ((|v_ULTIMATE.start_main_#t~nondet119_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet118_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet118_6|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet119_6|)))) (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse1) (= (_ +zero 11 53) .cse2) (= (fp.div roundNearestTiesToEven .cse1 .cse2) (fp ((_ extract 63 63) c_ULTIMATE.start_atan_double_~x) ((_ extract 62 52) c_ULTIMATE.start_atan_double_~x) ((_ extract 51 0) c_ULTIMATE.start_atan_double_~x)))))) (= c_ULTIMATE.start_atan_double_~hx~0 ((_ extract 63 32) c_ULTIMATE.start_atan_double_~x)) (or (not (= (bvadd .cse0 (_ bv2148532224 32)) (_ bv0 32))) (= (_ bv0 32) ((_ extract 31 0) c_ULTIMATE.start_atan_double_~x))))) is different from false [2020-12-02 15:17:57,636 WARN L197 SmtUtils]: Spent 13.79 s on a formula simplification. DAG size of input: 42 DAG size of output: 31 [2020-12-02 15:18:01,255 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (bvand (_ bv2147483647 32) ((_ extract 63 32) c_ULTIMATE.start_atan_double_~x))) (.cse3 (= (_ bv0 32) ((_ extract 31 0) c_ULTIMATE.start_atan_double_~x)))) (and (not (bvsgt .cse0 (_ bv2146435072 32))) (= .cse0 c_ULTIMATE.start_atan_double_~ix~0) (not (bvsgt c_ULTIMATE.start_atan_double_~ix~0 (_ bv2146435072 32))) (exists ((|v_ULTIMATE.start_main_#t~nondet119_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet118_6| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet118_6|))) (.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet119_6|)))) (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse1) (= (_ +zero 11 53) .cse2) (= (fp.div roundNearestTiesToEven .cse1 .cse2) (fp ((_ extract 63 63) c_ULTIMATE.start_atan_double_~x) ((_ extract 62 52) c_ULTIMATE.start_atan_double_~x) ((_ extract 51 0) c_ULTIMATE.start_atan_double_~x)))))) (or (not (= (bvadd .cse0 (_ bv2148532224 32)) (_ bv0 32))) .cse3) (or .cse3 (not (= (bvadd c_ULTIMATE.start_atan_double_~ix~0 (_ bv2148532224 32)) (_ bv0 32)))))) is different from false [2020-12-02 15:18:04,468 WARN L838 $PredicateComparison]: unable to prove that (and (not (bvsgt c_ULTIMATE.start_atan_double_~ix~0 (_ bv2146435072 32))) (exists ((|v_ULTIMATE.start_main_#t~nondet119_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet118_6| (_ BitVec 64)) (ULTIMATE.start_atan_double_~x (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet118_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet118_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet119_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet119_6|)))) (and (= (bvand (_ bv2147483647 32) ((_ extract 63 32) ULTIMATE.start_atan_double_~x)) c_ULTIMATE.start_atan_double_~ix~0) (= c_ULTIMATE.start_atan_double_~low~0 ((_ extract 31 0) ULTIMATE.start_atan_double_~x)) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse0) (= (_ +zero 11 53) .cse1) (= (fp.div roundNearestTiesToEven .cse0 .cse1) (fp ((_ extract 63 63) ULTIMATE.start_atan_double_~x) ((_ extract 62 52) ULTIMATE.start_atan_double_~x) ((_ extract 51 0) ULTIMATE.start_atan_double_~x)))))) (or (not (= (bvadd c_ULTIMATE.start_atan_double_~ix~0 (_ bv2148532224 32)) (_ bv0 32))) (= (_ bv0 32) c_ULTIMATE.start_atan_double_~low~0))) is different from false [2020-12-02 15:18:05,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:18:05,395 INFO L93 Difference]: Finished difference Result 35 states and 44 transitions. [2020-12-02 15:18:05,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-02 15:18:05,410 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 12 [2020-12-02 15:18:05,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:18:05,411 INFO L225 Difference]: With dead ends: 35 [2020-12-02 15:18:05,411 INFO L226 Difference]: Without dead ends: 14 [2020-12-02 15:18:05,413 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 46.1s TimeCoverageRelationStatistics Valid=35, Invalid=50, Unknown=11, NotChecked=210, Total=306 [2020-12-02 15:18:05,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-12-02 15:18:05,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-12-02 15:18:05,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-12-02 15:18:05,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2020-12-02 15:18:05,418 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2020-12-02 15:18:05,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:18:05,418 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2020-12-02 15:18:05,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-02 15:18:05,418 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2020-12-02 15:18:05,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 15:18:05,419 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:18:05,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:18:05,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:18:05,633 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:18:05,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:18:05,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1317358715, now seen corresponding path program 1 times [2020-12-02 15:18:05,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:18:05,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [529433943] [2020-12-02 15:18:05,636 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 15:18:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:18:08,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-02 15:18:08,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:18:08,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-02 15:18:08,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-02 15:18:08,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-02 15:18:08,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-02 15:18:08,500 INFO L244 Elim1Store]: Index analysis took 164 ms [2020-12-02 15:18:11,459 WARN L197 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 78 DAG size of output: 33 [2020-12-02 15:18:11,460 INFO L348 Elim1Store]: treesize reduction 291, result has 19.4 percent of original size [2020-12-02 15:18:11,460 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 137 treesize of output 189 [2020-12-02 15:18:11,508 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-02 15:18:14,243 WARN L197 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 112 DAG size of output: 104 [2020-12-02 15:18:14,245 INFO L625 ElimStorePlain]: treesize reduction 36, result has 83.0 percent of original size [2020-12-02 15:18:14,264 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-02 15:18:14,274 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-02 15:18:14,290 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-02 15:18:14,303 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-02 15:18:14,307 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 11 disjuncts [2020-12-02 15:18:14,330 INFO L547 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2020-12-02 15:18:14,331 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:152, output treesize:176 [2020-12-02 15:18:14,348 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-02 15:18:14,353 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-02 15:18:14,359 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-02 15:18:14,365 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-02 15:18:14,368 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 11 disjuncts [2020-12-02 15:18:14,890 WARN L197 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-12-02 15:18:14,944 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-02 15:18:14,953 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-02 15:18:14,957 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-02 15:18:14,960 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-02 15:18:14,963 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 11 disjuncts [2020-12-02 15:20:15,135 WARN L197 SmtUtils]: Spent 1.95 m on a formula simplification. DAG size of input: 126 DAG size of output: 84 [2020-12-02 15:20:15,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-02 15:20:15,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-02 15:20:15,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-02 15:20:15,470 INFO L244 Elim1Store]: Index analysis took 186 ms [2020-12-02 15:20:16,576 WARN L197 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 38 [2020-12-02 15:20:16,576 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:20:16,577 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 103 [2020-12-02 15:20:16,585 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-02 15:20:18,178 WARN L197 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 103 DAG size of output: 97 [2020-12-02 15:20:18,179 INFO L625 ElimStorePlain]: treesize reduction 12, result has 92.7 percent of original size [2020-12-02 15:20:18,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-02 15:20:18,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-02 15:20:18,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-02 15:20:18,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-02 15:20:18,489 INFO L244 Elim1Store]: Index analysis took 231 ms [2020-12-02 15:20:18,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-02 15:20:18,518 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-02 15:20:18,519 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-02 15:20:18,962 WARN L197 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-02 15:20:18,963 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:20:18,963 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 63 treesize of output 91 [2020-12-02 15:20:18,969 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:20:20,881 WARN L197 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2020-12-02 15:20:20,882 INFO L625 ElimStorePlain]: treesize reduction 38, result has 80.0 percent of original size [2020-12-02 15:20:20,890 INFO L547 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2020-12-02 15:20:20,891 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:162, output treesize:152 [2020-12-02 15:20:26,102 WARN L197 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 103 [2020-12-02 15:20:26,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-02 15:20:26,668 INFO L244 Elim1Store]: Index analysis took 314 ms [2020-12-02 15:20:27,405 WARN L197 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-12-02 15:20:27,406 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:20:27,406 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 28 treesize of output 74 [2020-12-02 15:20:27,411 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-02 15:20:28,586 WARN L197 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 111 [2020-12-02 15:20:28,587 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:20:28,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-02 15:20:28,766 INFO L244 Elim1Store]: Index analysis took 102 ms [2020-12-02 15:20:28,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-02 15:20:28,793 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-02 15:20:29,493 WARN L197 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-02 15:20:29,494 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:20:29,494 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 79 treesize of output 131 [2020-12-02 15:20:29,501 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-02 15:20:32,041 WARN L197 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 117 DAG size of output: 108 [2020-12-02 15:20:32,041 INFO L625 ElimStorePlain]: treesize reduction 36, result has 83.3 percent of original size [2020-12-02 15:20:32,049 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,049 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,054 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,054 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,056 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 15:20:32,057 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,058 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 15:20:32,061 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,062 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,063 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-02 15:20:32,065 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,067 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 15:20:32,070 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-02 15:20:32,074 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-02 15:20:32,088 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,093 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,094 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 15:20:32,097 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 15:20:32,100 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-02 15:20:32,117 INFO L547 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 9 dim-0 vars, and 1 xjuncts. [2020-12-02 15:20:32,118 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 12 variables, input treesize:183, output treesize:180 [2020-12-02 15:20:32,123 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,124 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,127 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,128 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,129 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 15:20:32,130 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,131 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 15:20:32,134 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,134 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,136 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-02 15:20:32,137 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,139 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 15:20:32,141 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-02 15:20:32,147 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-02 15:20:32,155 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,159 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:32,160 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 15:20:32,162 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 15:20:32,165 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-02 15:20:39,161 WARN L197 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-12-02 15:20:39,191 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:39,192 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:39,202 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:39,203 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:39,204 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 15:20:39,206 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:39,209 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 15:20:39,212 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:39,213 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:39,215 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-02 15:20:39,218 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:39,220 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 15:20:39,223 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-02 15:20:39,228 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-02 15:20:39,237 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:39,241 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:20:39,242 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-02 15:20:39,245 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 15:20:39,248 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 14 disjuncts [2020-12-02 15:20:49,360 WARN L197 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2020-12-02 15:20:50,143 WARN L197 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-02 15:20:50,144 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-02 15:20:50,144 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 6 case distinctions, treesize of input 149 treesize of output 93 [2020-12-02 15:20:50,150 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-02 15:20:56,171 WARN L197 SmtUtils]: Spent 6.02 s on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2020-12-02 15:20:56,172 INFO L625 ElimStorePlain]: treesize reduction 6, result has 96.4 percent of original size [2020-12-02 15:20:56,269 INFO L547 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-02 15:20:56,270 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 12 variables, input treesize:241, output treesize:79 [2020-12-02 15:20:59,447 WARN L197 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-02 15:21:04,850 WARN L197 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 47 [2020-12-02 15:21:05,049 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 15:21:05,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:21:22,672 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-02 15:21:24,719 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_atan_double_#t~union43| (_ BitVec 64)) (|v_ULTIMATE.start_atan_double_~#gl_u~0.base_8| (_ BitVec 32)) (|v_ULTIMATE.start_atan_double_#res_12| (_ BitVec 64))) (let ((.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_atan_double_#res_12|) ((_ extract 62 52) |v_ULTIMATE.start_atan_double_#res_12|) ((_ extract 51 0) |v_ULTIMATE.start_atan_double_#res_12|)))) (or (not (= (let ((.cse2 (store |c_#memory_int| |v_ULTIMATE.start_atan_double_~#gl_u~0.base_8| (store (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_atan_double_~#gl_u~0.base_8|) (_ bv0 32) ((_ extract 31 0) c_ULTIMATE.start_atan_double_~x)) (_ bv4 32) ((_ extract 63 32) c_ULTIMATE.start_atan_double_~x)) (_ bv0 32) ((_ extract 31 0) |ULTIMATE.start_atan_double_#t~union43|)) (_ bv4 32) ((_ extract 63 32) |ULTIMATE.start_atan_double_#t~union43|))))) (fp.add c_~CRM (let ((.cse0 (let ((.cse1 (select .cse2 |c_~#atanhi_atan~0.base|))) (concat (select .cse1 (bvadd |c_~#atanhi_atan~0.offset| (_ bv28 32))) (select .cse1 (bvadd |c_~#atanhi_atan~0.offset| (_ bv24 32))))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (let ((.cse3 (let ((.cse4 (select .cse2 |c_~#atanlo_atan~0.base|))) (concat (select .cse4 (bvadd |c_~#atanlo_atan~0.offset| (_ bv28 32))) (select .cse4 (bvadd |c_~#atanlo_atan~0.offset| (_ bv24 32))))))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))) .cse5)) (not (= (select |c_#valid| |v_ULTIMATE.start_atan_double_~#gl_u~0.base_8|) (_ bv0 1))) (fp.eq .cse5 (fp ((_ extract 63 63) c_~pi_o_2~0) ((_ extract 62 52) c_~pi_o_2~0) ((_ extract 51 0) c_~pi_o_2~0)))))) is different from false [2020-12-02 15:21:27,222 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_atan_double_~#gh_u~1.base_7| (_ BitVec 32)) (|ULTIMATE.start_atan_double_#t~union43| (_ BitVec 64)) (|ULTIMATE.start_atan_double_#t~union41| (_ BitVec 64)) (|v_ULTIMATE.start_atan_double_~#gl_u~0.base_8| (_ BitVec 32)) (ULTIMATE.start_atan_double_~x (_ BitVec 64)) (|v_ULTIMATE.start_atan_double_#res_12| (_ BitVec 64))) (let ((.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_atan_double_#res_12|) ((_ extract 62 52) |v_ULTIMATE.start_atan_double_#res_12|) ((_ extract 51 0) |v_ULTIMATE.start_atan_double_#res_12|)))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_atan_double_~#gh_u~1.base_7|))) (not (= (let ((.cse2 (let ((.cse6 ((_ extract 31 0) ULTIMATE.start_atan_double_~x)) (.cse7 ((_ extract 63 32) ULTIMATE.start_atan_double_~x))) (let ((.cse5 (store |c_#memory_int| |v_ULTIMATE.start_atan_double_~#gh_u~1.base_7| (store (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_atan_double_~#gh_u~1.base_7|) (_ bv0 32) .cse6) (_ bv4 32) .cse7) (_ bv0 32) ((_ extract 31 0) |ULTIMATE.start_atan_double_#t~union41|)) (_ bv4 32) ((_ extract 63 32) |ULTIMATE.start_atan_double_#t~union41|))))) (store .cse5 |v_ULTIMATE.start_atan_double_~#gl_u~0.base_8| (store (store (store (store (select .cse5 |v_ULTIMATE.start_atan_double_~#gl_u~0.base_8|) (_ bv0 32) .cse6) (_ bv4 32) .cse7) (_ bv0 32) ((_ extract 31 0) |ULTIMATE.start_atan_double_#t~union43|)) (_ bv4 32) ((_ extract 63 32) |ULTIMATE.start_atan_double_#t~union43|))))))) (fp.add c_~CRM (let ((.cse0 (let ((.cse1 (select .cse2 |c_~#atanhi_atan~0.base|))) (concat (select .cse1 (bvadd |c_~#atanhi_atan~0.offset| (_ bv28 32))) (select .cse1 (bvadd |c_~#atanhi_atan~0.offset| (_ bv24 32))))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (let ((.cse3 (let ((.cse4 (select .cse2 |c_~#atanlo_atan~0.base|))) (concat (select .cse4 (bvadd |c_~#atanlo_atan~0.offset| (_ bv28 32))) (select .cse4 (bvadd |c_~#atanlo_atan~0.offset| (_ bv24 32))))))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))) .cse8)) (not (= (_ bv0 1) (select (store |c_#valid| |v_ULTIMATE.start_atan_double_~#gh_u~1.base_7| (_ bv0 1)) |v_ULTIMATE.start_atan_double_~#gl_u~0.base_8|))) (fp.eq .cse8 (fp ((_ extract 63 63) c_~pi_o_2~0) ((_ extract 62 52) c_~pi_o_2~0) ((_ extract 51 0) c_~pi_o_2~0)))))) is different from false [2020-12-02 15:21:27,686 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 15:21:27,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [529433943] [2020-12-02 15:21:27,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:21:27,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 6] imperfect sequences [] total 13 [2020-12-02 15:21:27,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489080083] [2020-12-02 15:21:27,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-02 15:21:27,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:21:27,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-02 15:21:27,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=91, Unknown=13, NotChecked=42, Total=182 [2020-12-02 15:21:27,690 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 14 states. [2020-12-02 15:21:33,325 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6| (_ BitVec 64))) (let ((.cse0 (select |c_#memory_int| |c_~#atanhi_atan~0.base|))) (and (= ((_ extract 63 32) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6|) (select .cse0 (bvadd |c_~#atanhi_atan~0.offset| (_ bv28 32)))) (= (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6|)) ((_ to_fp 11 53) c_~CRM (/ 785398163397448279.0 500000000000000000.0))) (= ((_ extract 31 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6|) (select .cse0 (bvadd |c_~#atanhi_atan~0.offset| (_ bv24 32))))))) (= (_ bv0 32) |c_~#atanlo_atan~0.offset|) (= roundNearestTiesToEven c_~CRM) (= (fp ((_ extract 63 63) c_~pi_o_2~0) ((_ extract 62 52) c_~pi_o_2~0) ((_ extract 51 0) c_~pi_o_2~0)) ((_ to_fp 11 53) c_~CRM (/ 785398163397448279.0 500000000000000000.0))) (forall ((|v_ULTIMATE.start_atan_double_~#gh_u~1.base_7| (_ BitVec 32)) (|ULTIMATE.start_atan_double_#t~union43| (_ BitVec 64)) (|ULTIMATE.start_atan_double_#t~union41| (_ BitVec 64)) (|v_ULTIMATE.start_atan_double_~#gl_u~0.base_8| (_ BitVec 32)) (ULTIMATE.start_atan_double_~x (_ BitVec 64)) (|v_ULTIMATE.start_atan_double_#res_12| (_ BitVec 64))) (let ((.cse9 (fp ((_ extract 63 63) |v_ULTIMATE.start_atan_double_#res_12|) ((_ extract 62 52) |v_ULTIMATE.start_atan_double_#res_12|) ((_ extract 51 0) |v_ULTIMATE.start_atan_double_#res_12|)))) (or (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_atan_double_~#gh_u~1.base_7|))) (not (= (let ((.cse3 (let ((.cse7 ((_ extract 31 0) ULTIMATE.start_atan_double_~x)) (.cse8 ((_ extract 63 32) ULTIMATE.start_atan_double_~x))) (let ((.cse6 (store |c_#memory_int| |v_ULTIMATE.start_atan_double_~#gh_u~1.base_7| (store (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_atan_double_~#gh_u~1.base_7|) (_ bv0 32) .cse7) (_ bv4 32) .cse8) (_ bv0 32) ((_ extract 31 0) |ULTIMATE.start_atan_double_#t~union41|)) (_ bv4 32) ((_ extract 63 32) |ULTIMATE.start_atan_double_#t~union41|))))) (store .cse6 |v_ULTIMATE.start_atan_double_~#gl_u~0.base_8| (store (store (store (store (select .cse6 |v_ULTIMATE.start_atan_double_~#gl_u~0.base_8|) (_ bv0 32) .cse7) (_ bv4 32) .cse8) (_ bv0 32) ((_ extract 31 0) |ULTIMATE.start_atan_double_#t~union43|)) (_ bv4 32) ((_ extract 63 32) |ULTIMATE.start_atan_double_#t~union43|))))))) (fp.add c_~CRM (let ((.cse1 (let ((.cse2 (select .cse3 |c_~#atanhi_atan~0.base|))) (concat (select .cse2 (bvadd |c_~#atanhi_atan~0.offset| (_ bv28 32))) (select .cse2 (bvadd |c_~#atanhi_atan~0.offset| (_ bv24 32))))))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) (let ((.cse4 (let ((.cse5 (select .cse3 |c_~#atanlo_atan~0.base|))) (concat (select .cse5 (bvadd |c_~#atanlo_atan~0.offset| (_ bv28 32))) (select .cse5 (bvadd |c_~#atanlo_atan~0.offset| (_ bv24 32))))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))) .cse9)) (not (= (_ bv0 1) (select (store |c_#valid| |v_ULTIMATE.start_atan_double_~#gh_u~1.base_7| (_ bv0 1)) |v_ULTIMATE.start_atan_double_~#gl_u~0.base_8|))) (fp.eq .cse9 (fp ((_ extract 63 63) c_~pi_o_2~0) ((_ extract 62 52) c_~pi_o_2~0) ((_ extract 51 0) c_~pi_o_2~0)))))) (= (_ bv1 1) (select |c_#valid| |c_~#atanlo_atan~0.base|)) (= (_ bv1 1) (select |c_#valid| |c_~#atanhi_atan~0.base|)) (exists ((|~#aT_atan~0.base| (_ BitVec 32)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet23_6| (_ BitVec 64)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet24_6| (_ BitVec 64))) (let ((.cse10 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet23_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet23_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet23_6|)))) (and (= ((_ extract 63 32) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet24_6|) (select (select |c_#memory_int| |~#aT_atan~0.base|) (_ bv28 32))) (= (_ bv1 1) (select |c_#valid| |~#aT_atan~0.base|)) (= (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet24_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet24_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet24_6|)) (fp.neg .cse10)) (= ((_ to_fp 11 53) c_~CRM (/ 2777777601365588947.0 25000000000000000000.0)) .cse10)))) (= |c_~#atanhi_atan~0.offset| (_ bv0 32)) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet18_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet18_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet18_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet18_6|)) ((_ to_fp 11 53) c_~CRM (/ 612323399573676603587.0 10000000000000000000000000000000000000.0))) (= (select (select |c_#memory_int| |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv28 32))) ((_ extract 63 32) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet18_6|))))) is different from true [2020-12-02 15:21:35,366 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6| (_ BitVec 64))) (let ((.cse0 (select |c_#memory_int| |c_~#atanhi_atan~0.base|))) (and (= ((_ extract 63 32) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6|) (select .cse0 (bvadd |c_~#atanhi_atan~0.offset| (_ bv28 32)))) (= (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6|)) ((_ to_fp 11 53) c_~CRM (/ 785398163397448279.0 500000000000000000.0))) (= ((_ extract 31 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet14_6|) (select .cse0 (bvadd |c_~#atanhi_atan~0.offset| (_ bv24 32))))))) (= (_ bv0 32) |c_~#atanlo_atan~0.offset|) (= roundNearestTiesToEven c_~CRM) (forall ((|ULTIMATE.start_atan_double_#t~union43| (_ BitVec 64)) (|v_ULTIMATE.start_atan_double_~#gl_u~0.base_8| (_ BitVec 32)) (|v_ULTIMATE.start_atan_double_#res_12| (_ BitVec 64))) (let ((.cse6 (fp ((_ extract 63 63) |v_ULTIMATE.start_atan_double_#res_12|) ((_ extract 62 52) |v_ULTIMATE.start_atan_double_#res_12|) ((_ extract 51 0) |v_ULTIMATE.start_atan_double_#res_12|)))) (or (not (= (let ((.cse3 (store |c_#memory_int| |v_ULTIMATE.start_atan_double_~#gl_u~0.base_8| (store (store (store (store (select |c_#memory_int| |v_ULTIMATE.start_atan_double_~#gl_u~0.base_8|) (_ bv0 32) ((_ extract 31 0) c_ULTIMATE.start_atan_double_~x)) (_ bv4 32) ((_ extract 63 32) c_ULTIMATE.start_atan_double_~x)) (_ bv0 32) ((_ extract 31 0) |ULTIMATE.start_atan_double_#t~union43|)) (_ bv4 32) ((_ extract 63 32) |ULTIMATE.start_atan_double_#t~union43|))))) (fp.add c_~CRM (let ((.cse1 (let ((.cse2 (select .cse3 |c_~#atanhi_atan~0.base|))) (concat (select .cse2 (bvadd |c_~#atanhi_atan~0.offset| (_ bv28 32))) (select .cse2 (bvadd |c_~#atanhi_atan~0.offset| (_ bv24 32))))))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) (let ((.cse4 (let ((.cse5 (select .cse3 |c_~#atanlo_atan~0.base|))) (concat (select .cse5 (bvadd |c_~#atanlo_atan~0.offset| (_ bv28 32))) (select .cse5 (bvadd |c_~#atanlo_atan~0.offset| (_ bv24 32))))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))) .cse6)) (not (= (select |c_#valid| |v_ULTIMATE.start_atan_double_~#gl_u~0.base_8|) (_ bv0 1))) (fp.eq .cse6 (fp ((_ extract 63 63) c_~pi_o_2~0) ((_ extract 62 52) c_~pi_o_2~0) ((_ extract 51 0) c_~pi_o_2~0)))))) (= (fp ((_ extract 63 63) c_~pi_o_2~0) ((_ extract 62 52) c_~pi_o_2~0) ((_ extract 51 0) c_~pi_o_2~0)) ((_ to_fp 11 53) c_~CRM (/ 785398163397448279.0 500000000000000000.0))) (= (_ bv1 1) (select |c_#valid| |c_~#atanlo_atan~0.base|)) (= (_ bv1 1) (select |c_#valid| |c_~#atanhi_atan~0.base|)) (exists ((|v_ULTIMATE.start_atan_double_~#gh_u~1.base_7| (_ BitVec 32)) (|v_ULTIMATE.start_atan_double_#t~union41_6| (_ BitVec 64))) (let ((.cse7 (select |c_#memory_int| |v_ULTIMATE.start_atan_double_~#gh_u~1.base_7|))) (and (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_atan_double_~#gh_u~1.base_7|)) (= ((_ extract 31 0) |v_ULTIMATE.start_atan_double_#t~union41_6|) (select .cse7 (_ bv0 32))) (= ((_ extract 63 32) |v_ULTIMATE.start_atan_double_#t~union41_6|) (select .cse7 (_ bv4 32)))))) (not (= |c_~#atanlo_atan~0.base| |c_~#atanhi_atan~0.base|)) (exists ((|~#aT_atan~0.base| (_ BitVec 32)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet23_6| (_ BitVec 64)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet24_6| (_ BitVec 64))) (let ((.cse8 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet23_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet23_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet23_6|)))) (and (= ((_ extract 63 32) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet24_6|) (select (select |c_#memory_int| |~#aT_atan~0.base|) (_ bv28 32))) (= (_ bv1 1) (select |c_#valid| |~#aT_atan~0.base|)) (not (= |c_~#atanlo_atan~0.base| |~#aT_atan~0.base|)) (= (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet24_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet24_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet24_6|)) (fp.neg .cse8)) (= ((_ to_fp 11 53) c_~CRM (/ 2777777601365588947.0 25000000000000000000.0)) .cse8)))) (= |c_~#atanhi_atan~0.offset| (_ bv0 32)) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet18_6| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet18_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet18_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet18_6|)) ((_ to_fp 11 53) c_~CRM (/ 612323399573676603587.0 10000000000000000000000000000000000000.0))) (= (select (select |c_#memory_int| |c_~#atanlo_atan~0.base|) (bvadd |c_~#atanlo_atan~0.offset| (_ bv28 32))) ((_ extract 63 32) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet18_6|))))) is different from false [2020-12-02 15:21:46,638 WARN L197 SmtUtils]: Spent 7.38 s on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2020-12-02 15:22:04,327 WARN L197 SmtUtils]: Spent 14.89 s on a formula simplification. DAG size of input: 147 DAG size of output: 146 [2020-12-02 15:22:04,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:22:04,750 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2020-12-02 15:22:04,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 15:22:04,752 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2020-12-02 15:22:04,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:22:04,753 INFO L225 Difference]: With dead ends: 18 [2020-12-02 15:22:04,753 INFO L226 Difference]: Without dead ends: 14 [2020-12-02 15:22:04,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 204.1s TimeCoverageRelationStatistics Valid=57, Invalid=126, Unknown=15, NotChecked=108, Total=306 [2020-12-02 15:22:04,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-12-02 15:22:04,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-12-02 15:22:04,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-12-02 15:22:04,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2020-12-02 15:22:04,759 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 13 [2020-12-02 15:22:04,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:22:04,760 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2020-12-02 15:22:04,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-02 15:22:04,760 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2020-12-02 15:22:04,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-02 15:22:04,761 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:22:04,761 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:22:04,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 15:22:04,974 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:22:04,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:22:04,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1317299133, now seen corresponding path program 1 times [2020-12-02 15:22:04,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:22:04,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339732742] [2020-12-02 15:22:04,977 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 15:22:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:22:06,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-02 15:22:06,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:22:08,460 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet118_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet119_9| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet118_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet118_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet118_9|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet119_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet119_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet119_9|)))) (and (= (_ +zero 11 53) .cse0) (= .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (= (fp.div roundNearestTiesToEven .cse1 .cse0) (fp ((_ extract 63 63) c_ULTIMATE.start_atan_double_~x) ((_ extract 62 52) c_ULTIMATE.start_atan_double_~x) ((_ extract 51 0) c_ULTIMATE.start_atan_double_~x)))))) is different from false [2020-12-02 15:22:10,607 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet118_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet119_9| (_ BitVec 64)) (ULTIMATE.start_atan_double_~x (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet118_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet118_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet118_9|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet119_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet119_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet119_9|)))) (and (= c_ULTIMATE.start_atan_double_~hx~0 ((_ extract 63 32) ULTIMATE.start_atan_double_~x)) (= (_ +zero 11 53) .cse0) (= .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (= (fp.div roundNearestTiesToEven .cse1 .cse0) (fp ((_ extract 63 63) ULTIMATE.start_atan_double_~x) ((_ extract 62 52) ULTIMATE.start_atan_double_~x) ((_ extract 51 0) ULTIMATE.start_atan_double_~x)))))) is different from false [2020-12-02 15:22:10,671 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 15:22:10,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:22:12,710 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 15:22:12,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [339732742] [2020-12-02 15:22:12,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:22:12,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-12-02 15:22:12,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601163121] [2020-12-02 15:22:12,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-02 15:22:12,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:22:12,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-02 15:22:12,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=15, Unknown=2, NotChecked=14, Total=42 [2020-12-02 15:22:12,712 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand 7 states. [2020-12-02 15:22:14,893 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (bvsgt ((_ extract 63 32) c_ULTIMATE.start_atan_double_~x) (_ bv0 32)) (exists ((|v_ULTIMATE.start_main_#t~nondet118_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet119_9| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet118_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet118_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet118_9|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet119_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet119_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet119_9|)))) (and (= (_ +zero 11 53) .cse0) (= .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (= (fp.div roundNearestTiesToEven .cse1 .cse0) (fp ((_ extract 63 63) c_ULTIMATE.start_atan_double_~x) ((_ extract 62 52) c_ULTIMATE.start_atan_double_~x) ((_ extract 51 0) c_ULTIMATE.start_atan_double_~x))))))) is different from false [2020-12-02 15:22:17,046 WARN L838 $PredicateComparison]: unable to prove that (and (bvsgt c_ULTIMATE.start_atan_double_~hx~0 (_ bv0 32)) (exists ((|v_ULTIMATE.start_main_#t~nondet118_9| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet119_9| (_ BitVec 64)) (ULTIMATE.start_atan_double_~x (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet118_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet118_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet118_9|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet119_9|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet119_9|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet119_9|)))) (and (= c_ULTIMATE.start_atan_double_~hx~0 ((_ extract 63 32) ULTIMATE.start_atan_double_~x)) (= (_ +zero 11 53) .cse0) (= .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (= (fp.div roundNearestTiesToEven .cse1 .cse0) (fp ((_ extract 63 63) ULTIMATE.start_atan_double_~x) ((_ extract 62 52) ULTIMATE.start_atan_double_~x) ((_ extract 51 0) ULTIMATE.start_atan_double_~x))))))) is different from false [2020-12-02 15:22:17,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:22:17,077 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2020-12-02 15:22:17,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-02 15:22:17,078 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-12-02 15:22:17,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:22:17,078 INFO L225 Difference]: With dead ends: 14 [2020-12-02 15:22:17,078 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 15:22:17,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=15, Invalid=17, Unknown=4, NotChecked=36, Total=72 [2020-12-02 15:22:17,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 15:22:17,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 15:22:17,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 15:22:17,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 15:22:17,079 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-12-02 15:22:17,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:22:17,080 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 15:22:17,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-02 15:22:17,080 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 15:22:17,080 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 15:22:17,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 15:22:17,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 15:22:21,207 WARN L197 SmtUtils]: Spent 3.77 s on a formula simplification that was a NOOP. DAG size: 138 [2020-12-02 15:22:44,698 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-02 15:22:44,699 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:222) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:138) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.pop(UndoableWrapperScript.java:59) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:67) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:165) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:135) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter(HoareAnnotationComposer.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.(HoareAnnotationComposer.java:105) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeCFGHoareAnnotation(BasicCegarLoop.java:1052) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 36 more [2020-12-02 15:22:44,705 INFO L168 Benchmark]: Toolchain (without parser) took 359121.34 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.0 MB in the beginning and 28.9 MB in the end (delta: 86.0 kB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2020-12-02 15:22:44,706 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory is still 23.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:22:44,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.04 ms. Allocated memory is still 52.4 MB. Free memory was 28.8 MB in the beginning and 26.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-12-02 15:22:44,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.74 ms. Allocated memory is still 52.4 MB. Free memory was 26.2 MB in the beginning and 22.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:22:44,708 INFO L168 Benchmark]: Boogie Preprocessor took 145.56 ms. Allocated memory is still 52.4 MB. Free memory was 22.8 MB in the beginning and 33.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2020-12-02 15:22:44,709 INFO L168 Benchmark]: RCFGBuilder took 17960.55 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 32.7 MB in the beginning and 18.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2020-12-02 15:22:44,710 INFO L168 Benchmark]: TraceAbstraction took 340417.39 ms. Allocated memory is still 62.9 MB. Free memory was 18.5 MB in the beginning and 28.9 MB in the end (delta: -10.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:22:44,718 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory is still 23.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 501.04 ms. Allocated memory is still 52.4 MB. Free memory was 28.8 MB in the beginning and 26.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.74 ms. Allocated memory is still 52.4 MB. Free memory was 26.2 MB in the beginning and 22.8 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 145.56 ms. Allocated memory is still 52.4 MB. Free memory was 22.8 MB in the beginning and 33.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 17960.55 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 32.7 MB in the beginning and 18.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 340417.39 ms. Allocated memory is still 62.9 MB. Free memory was 18.5 MB in the beginning and 28.9 MB in the end (delta: -10.4 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...