./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0310.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_0310.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 46a82ff75abe63350c915291adddc89196f703d9 .................................................................................................................................................................. 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_0310.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 46a82ff75abe63350c915291adddc89196f703d9 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:09:56,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:09:56,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:09:56,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:09:56,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:09:56,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:09:56,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:09:56,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:09:56,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:09:56,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:09:56,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:09:56,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:09:56,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:09:56,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:09:56,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:09:56,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:09:56,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:09:56,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:09:56,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:09:56,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:09:56,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:09:56,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:09:56,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:09:56,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:09:56,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:09:56,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:09:56,255 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:09:56,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:09:56,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:09:56,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:09:56,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:09:56,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:09:56,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:09:56,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:09:56,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:09:56,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:09:56,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:09:56,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:09:56,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:09:56,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:09:56,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:09:56,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:09:56,334 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:09:56,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:09:56,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:09:56,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:09:56,337 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:09:56,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:09:56,337 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:09:56,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:09:56,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:09:56,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:09:56,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:09:56,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:09:56,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:09:56,339 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:09:56,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:09:56,339 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:09:56,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:09:56,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:09:56,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:09:56,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:09:56,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:09:56,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:09:56,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:09:56,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:09:56,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:09:56,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:09:56,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:09:56,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:09:56,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:09:56,342 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46a82ff75abe63350c915291adddc89196f703d9 [2020-12-02 15:09:56,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:09:56,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:09:56,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:09:56,773 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:09:56,774 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:09:56,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0310.c [2020-12-02 15:09:56,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1cc929b0/4d177770fcee4c74afd251f051411aba/FLAGf7cc66e25 [2020-12-02 15:09:57,656 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:09:57,657 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0310.c [2020-12-02 15:09:57,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1cc929b0/4d177770fcee4c74afd251f051411aba/FLAGf7cc66e25 [2020-12-02 15:09:57,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1cc929b0/4d177770fcee4c74afd251f051411aba [2020-12-02 15:09:57,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:09:57,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:09:57,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:09:57,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:09:57,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:09:57,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:09:57" (1/1) ... [2020-12-02 15:09:57,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@668b0645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:57, skipping insertion in model container [2020-12-02 15:09:57,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:09:57" (1/1) ... [2020-12-02 15:09:58,003 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:09:58,073 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:09:58,411 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:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:705) 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.visit(CHandler.java:1351) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2199) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:196) 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 15:09:58,422 INFO L168 Benchmark]: Toolchain (without parser) took 447.45 ms. Allocated memory is still 54.5 MB. Free memory was 39.2 MB in the beginning and 26.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:09:58,428 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 44.0 MB. Free memory was 22.0 MB in the beginning and 22.0 MB in the end (delta: 28.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:09:58,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.01 ms. Allocated memory is still 54.5 MB. Free memory was 39.0 MB in the beginning and 26.7 MB in the end (delta: 12.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:09:58,431 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 44.0 MB. Free memory was 22.0 MB in the beginning and 22.0 MB in the end (delta: 28.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 441.01 ms. Allocated memory is still 54.5 MB. Free memory was 39.0 MB in the beginning and 26.7 MB in the end (delta: 12.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.transformBitvectorToFloat(IntegerTranslation.java:919) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 15:10:01,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:10:01,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:10:01,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:10:01,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:10:01,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:10:01,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:10:01,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:10:01,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:10:01,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:10:01,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:10:01,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:10:01,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:10:01,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:10:01,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:10:01,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:10:01,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:10:01,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:10:01,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:10:01,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:10:01,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:10:01,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:10:01,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:10:01,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:10:01,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:10:01,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:10:01,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:10:01,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:10:01,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:10:01,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:10:01,141 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:10:01,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:10:01,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:10:01,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:10:01,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:10:01,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:10:01,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:10:01,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:10:01,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:10:01,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:10:01,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:10:01,151 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:10:01,193 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:10:01,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:10:01,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:10:01,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:10:01,196 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:10:01,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:10:01,197 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:10:01,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:10:01,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:10:01,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:10:01,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:10:01,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:10:01,198 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:10:01,199 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:10:01,199 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:10:01,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:10:01,199 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:10:01,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:10:01,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:10:01,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:10:01,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:10:01,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:10:01,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:10:01,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:10:01,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:10:01,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:10:01,202 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:10:01,202 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:10:01,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:10:01,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:10:01,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:10:01,203 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46a82ff75abe63350c915291adddc89196f703d9 [2020-12-02 15:10:01,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:10:01,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:10:01,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:10:01,734 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:10:01,736 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:10:01,738 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0310.c [2020-12-02 15:10:01,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c6d9b491/3a9a829a8ef941f18579df10893b8ce7/FLAG94adcc80c [2020-12-02 15:10:02,563 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:10:02,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0310.c [2020-12-02 15:10:02,581 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c6d9b491/3a9a829a8ef941f18579df10893b8ce7/FLAG94adcc80c [2020-12-02 15:10:02,867 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c6d9b491/3a9a829a8ef941f18579df10893b8ce7 [2020-12-02 15:10:02,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:10:02,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:10:02,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:10:02,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:10:02,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:10:02,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:10:02" (1/1) ... [2020-12-02 15:10:02,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c644403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:02, skipping insertion in model container [2020-12-02 15:10:02,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:10:02" (1/1) ... [2020-12-02 15:10:02,914 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:10:03,000 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:10:03,619 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_0310.c[16331,16344] [2020-12-02 15:10:03,623 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:10:03,681 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:10:03,892 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_0310.c[16331,16344] [2020-12-02 15:10:03,893 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:10:03,975 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:10:03,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:03 WrapperNode [2020-12-02 15:10:03,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:10:03,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:10:03,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:10:03,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:10:03,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:03" (1/1) ... [2020-12-02 15:10:04,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:03" (1/1) ... [2020-12-02 15:10:04,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:10:04,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:10:04,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:10:04,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:10:04,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:03" (1/1) ... [2020-12-02 15:10:04,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:03" (1/1) ... [2020-12-02 15:10:04,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:03" (1/1) ... [2020-12-02 15:10:04,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:03" (1/1) ... [2020-12-02 15:10:04,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:03" (1/1) ... [2020-12-02 15:10:04,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:03" (1/1) ... [2020-12-02 15:10:04,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:03" (1/1) ... [2020-12-02 15:10:04,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:10:04,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:10:04,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:10:04,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:10:04,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:03" (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 15:10:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:10:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 15:10:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 15:10:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:10:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-12-02 15:10:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:10:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-02 15:10:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:10:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:10:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:10:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:10:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:12:19,324 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:12:19,327 INFO L298 CfgBuilder]: Removed 221 assume(true) statements. [2020-12-02 15:12:19,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:19 BoogieIcfgContainer [2020-12-02 15:12:19,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:12:19,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:12:19,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:12:19,338 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:12:19,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:10:02" (1/3) ... [2020-12-02 15:12:19,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457c6696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:12:19, skipping insertion in model container [2020-12-02 15:12:19,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:10:03" (2/3) ... [2020-12-02 15:12:19,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457c6696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:12:19, skipping insertion in model container [2020-12-02 15:12:19,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:19" (3/3) ... [2020-12-02 15:12:19,342 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0310.c [2020-12-02 15:12:19,359 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:12:19,364 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:12:19,378 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:12:19,410 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:12:19,411 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:12:19,411 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:12:19,411 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:12:19,411 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:12:19,411 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:12:19,412 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:12:19,412 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:12:19,439 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states. [2020-12-02 15:12:19,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-02 15:12:19,445 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:12:19,446 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:12:19,447 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:12:19,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:12:19,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1674991733, now seen corresponding path program 1 times [2020-12-02 15:12:19,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:12:19,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [547103113] [2020-12-02 15:12:19,471 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 15:12:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:12:21,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:12:21,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:12:21,075 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 15:12:21,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:12:21,087 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 15:12:21,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [547103113] [2020-12-02 15:12:21,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:12:21,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:12:21,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052913136] [2020-12-02 15:12:21,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:12:21,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:12:21,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:12:21,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:12:21,115 INFO L87 Difference]: Start difference. First operand 411 states. Second operand 2 states. [2020-12-02 15:12:21,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:12:21,213 INFO L93 Difference]: Finished difference Result 820 states and 1406 transitions. [2020-12-02 15:12:21,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:12:21,216 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-02 15:12:21,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:12:21,238 INFO L225 Difference]: With dead ends: 820 [2020-12-02 15:12:21,239 INFO L226 Difference]: Without dead ends: 408 [2020-12-02 15:12:21,246 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 15:12:21,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2020-12-02 15:12:21,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2020-12-02 15:12:21,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-12-02 15:12:21,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 537 transitions. [2020-12-02 15:12:21,432 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 537 transitions. Word has length 10 [2020-12-02 15:12:21,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:12:21,433 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 537 transitions. [2020-12-02 15:12:21,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:12:21,433 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 537 transitions. [2020-12-02 15:12:21,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 15:12:21,435 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:12:21,435 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:12:21,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:12:21,638 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:12:21,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:12:21,640 INFO L82 PathProgramCache]: Analyzing trace with hash 284668366, now seen corresponding path program 1 times [2020-12-02 15:12:21,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:12:21,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1080142230] [2020-12-02 15:12:21,643 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 15:12:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:12:23,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-02 15:12:23,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:12:24,517 WARN L197 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-02 15:12:24,538 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:12:24,544 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-02 15:12:25,445 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 15:12:25,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:12:29,141 WARN L197 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 15:12:32,166 WARN L197 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 25 [2020-12-02 15:12:32,292 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 15:12:32,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1080142230] [2020-12-02 15:12:32,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:12:32,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2020-12-02 15:12:32,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398302008] [2020-12-02 15:12:32,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-02 15:12:32,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:12:32,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-02 15:12:32,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-12-02 15:12:32,296 INFO L87 Difference]: Start difference. First operand 408 states and 537 transitions. Second operand 13 states. [2020-12-02 15:12:34,398 WARN L197 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 28 [2020-12-02 15:12:36,302 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 17 [2020-12-02 15:12:37,646 WARN L197 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 20 [2020-12-02 15:12:38,785 WARN L197 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 22 [2020-12-02 15:15:44,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:15:44,572 INFO L93 Difference]: Finished difference Result 539 states and 708 transitions. [2020-12-02 15:15:44,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-02 15:15:44,594 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 11 [2020-12-02 15:15:44,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:15:44,603 INFO L225 Difference]: With dead ends: 539 [2020-12-02 15:15:44,603 INFO L226 Difference]: Without dead ends: 534 [2020-12-02 15:15:44,605 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-12-02 15:15:44,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2020-12-02 15:15:44,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 408. [2020-12-02 15:15:44,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-12-02 15:15:44,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 536 transitions. [2020-12-02 15:15:44,647 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 536 transitions. Word has length 11 [2020-12-02 15:15:44,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:15:44,648 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 536 transitions. [2020-12-02 15:15:44,648 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-02 15:15:44,649 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 536 transitions. [2020-12-02 15:15:44,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-02 15:15:44,650 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:15:44,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:15:44,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:15:44,864 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:15:44,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:15:44,867 INFO L82 PathProgramCache]: Analyzing trace with hash 2055417971, now seen corresponding path program 1 times [2020-12-02 15:15:44,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:15:44,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949886928] [2020-12-02 15:15:44,869 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 15:15:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:15:46,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-02 15:15:46,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:15:52,588 WARN L197 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 15:16:04,512 WARN L197 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 15:16:06,679 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet385_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet386_6| (_ BitVec 64)) (ULTIMATE.start_cos_double_~x (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet386_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet386_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet386_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet385_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet385_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet385_6|)))) (and (= .cse0 (_ +zero 11 53)) (= (fp ((_ extract 63 63) ULTIMATE.start_cos_double_~x) ((_ extract 62 52) ULTIMATE.start_cos_double_~x) ((_ extract 51 0) ULTIMATE.start_cos_double_~x)) (fp.div roundNearestTiesToEven .cse1 .cse0)) (= .cse1 (_ +zero 11 53)) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) ULTIMATE.start_cos_double_~x)) c_ULTIMATE.start_cos_double_~ix~3)))) is different from false [2020-12-02 15:16:06,728 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 15:16:06,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:16:18,547 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 15:16:18,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949886928] [2020-12-02 15:16:18,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:16:18,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2020-12-02 15:16:18,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220194687] [2020-12-02 15:16:18,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-02 15:16:18,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:16:18,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-02 15:16:18,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=37, Unknown=5, NotChecked=12, Total=72 [2020-12-02 15:16:18,550 INFO L87 Difference]: Start difference. First operand 408 states and 536 transitions. Second operand 9 states. [2020-12-02 15:16:20,814 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet385_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet386_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet386_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet386_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet386_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet385_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet385_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet385_6|)))) (and (= .cse0 (_ +zero 11 53)) (= (fp ((_ extract 63 63) c_ULTIMATE.start_cos_double_~x) ((_ extract 62 52) c_ULTIMATE.start_cos_double_~x) ((_ extract 51 0) c_ULTIMATE.start_cos_double_~x)) (fp.div roundNearestTiesToEven .cse1 .cse0)) (= .cse1 (_ +zero 11 53)))))) is different from false [2020-12-02 15:16:46,398 WARN L197 SmtUtils]: Spent 7.33 s on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-12-02 15:19:03,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:19:03,182 INFO L93 Difference]: Finished difference Result 413 states and 540 transitions. [2020-12-02 15:19:03,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 15:19:03,197 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2020-12-02 15:19:03,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:19:03,201 INFO L225 Difference]: With dead ends: 413 [2020-12-02 15:19:03,202 INFO L226 Difference]: Without dead ends: 396 [2020-12-02 15:19:03,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 54.3s TimeCoverageRelationStatistics Valid=24, Invalid=49, Unknown=7, NotChecked=30, Total=110 [2020-12-02 15:19:03,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2020-12-02 15:19:03,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2020-12-02 15:19:03,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-12-02 15:19:03,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 519 transitions. [2020-12-02 15:19:03,253 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 519 transitions. Word has length 16 [2020-12-02 15:19:03,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:19:03,253 INFO L481 AbstractCegarLoop]: Abstraction has 396 states and 519 transitions. [2020-12-02 15:19:03,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-02 15:19:03,253 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 519 transitions. [2020-12-02 15:19:03,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-02 15:19:03,258 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:19:03,258 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:19:03,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 15:19:03,459 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:19:03,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:19:03,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1673909703, now seen corresponding path program 1 times [2020-12-02 15:19:03,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:19:03,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [495368041] [2020-12-02 15:19:03,463 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 15:19:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:19:04,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-02 15:19:04,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:19:10,934 WARN L197 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 15:19:13,092 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet385_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet386_8| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet386_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet386_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet386_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet385_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet385_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet385_8|)))) (and (= (_ +zero 11 53) .cse0) (= (fp.div roundNearestTiesToEven .cse1 .cse0) (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_rem_pio2_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_rem_pio2_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_rem_pio2_~x))) (= (_ +zero 11 53) .cse1)))) is different from false [2020-12-02 15:19:24,268 WARN L197 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 15:19:26,433 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet385_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet386_8| (_ BitVec 64)) (ULTIMATE.start___ieee754_rem_pio2_~x (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet386_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet386_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet386_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet385_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet385_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet385_8|)))) (and (= (_ +zero 11 53) .cse0) (= (fp.div roundNearestTiesToEven .cse1 .cse0) (fp ((_ extract 63 63) ULTIMATE.start___ieee754_rem_pio2_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_rem_pio2_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_rem_pio2_~x))) (= (_ +zero 11 53) .cse1) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) ULTIMATE.start___ieee754_rem_pio2_~x)) c_ULTIMATE.start___ieee754_rem_pio2_~ix~0)))) is different from false [2020-12-02 15:19:26,477 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 15:19:26,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:19:42,855 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 15:19:42,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [495368041] [2020-12-02 15:19:42,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:19:42,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2020-12-02 15:19:42,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847838093] [2020-12-02 15:19:42,857 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-02 15:19:42,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:19:42,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-02 15:19:42,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=52, Unknown=7, NotChecked=30, Total=110 [2020-12-02 15:19:42,858 INFO L87 Difference]: Start difference. First operand 396 states and 519 transitions. Second operand 11 states. [2020-12-02 15:19:59,015 WARN L197 SmtUtils]: Spent 4.81 s on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 15:20:08,485 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (not (bvsle (bvand (_ bv2147483647 32) ((_ extract 63 32) c_ULTIMATE.start___ieee754_rem_pio2_~x)) (_ bv1072243195 32))) (exists ((|v_ULTIMATE.start_main_#t~nondet385_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet386_8| (_ BitVec 64))) (let ((.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet385_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet385_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet385_8|))) (.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet386_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet386_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet386_8|)))) (and (= (_ +zero 11 53) .cse0) (= (_ +zero 11 53) .cse1) (= (fp ((_ extract 63 63) c_ULTIMATE.start_cos_double_~x) ((_ extract 62 52) c_ULTIMATE.start_cos_double_~x) ((_ extract 51 0) c_ULTIMATE.start_cos_double_~x)) (fp.div roundNearestTiesToEven .cse1 .cse0))))) (exists ((|v_ULTIMATE.start_main_#t~nondet385_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet386_8| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet386_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet386_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet386_8|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet385_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet385_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet385_8|)))) (and (= (_ +zero 11 53) .cse2) (= (fp.div roundNearestTiesToEven .cse3 .cse2) (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_rem_pio2_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_rem_pio2_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_rem_pio2_~x))) (= (_ +zero 11 53) .cse3))))) is different from false [2020-12-02 15:20:13,803 WARN L838 $PredicateComparison]: unable to prove that (and (not (bvsle c_ULTIMATE.start___ieee754_rem_pio2_~ix~0 (_ bv1072243195 32))) (exists ((|v_ULTIMATE.start_main_#t~nondet385_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet386_8| (_ BitVec 64)) (ULTIMATE.start___ieee754_rem_pio2_~x (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet386_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet386_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet386_8|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet385_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet385_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet385_8|)))) (and (= (_ +zero 11 53) .cse0) (= (fp.div roundNearestTiesToEven .cse1 .cse0) (fp ((_ extract 63 63) ULTIMATE.start___ieee754_rem_pio2_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_rem_pio2_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_rem_pio2_~x))) (= (_ +zero 11 53) .cse1) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) ULTIMATE.start___ieee754_rem_pio2_~x)) c_ULTIMATE.start___ieee754_rem_pio2_~ix~0)))) (exists ((|v_ULTIMATE.start_main_#t~nondet385_8| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet386_8| (_ BitVec 64)) (ULTIMATE.start___ieee754_rem_pio2_~x (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet386_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet386_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet386_8|))) (.cse3 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet385_8|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet385_8|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet385_8|)))) (and (= (_ +zero 11 53) .cse2) (= (fp.div roundNearestTiesToEven .cse3 .cse2) (fp ((_ extract 63 63) ULTIMATE.start___ieee754_rem_pio2_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_rem_pio2_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_rem_pio2_~x))) (= (_ +zero 11 53) .cse3) (= c_ULTIMATE.start___ieee754_rem_pio2_~hx~2 ((_ extract 63 32) ULTIMATE.start___ieee754_rem_pio2_~x)))))) is different from false [2020-12-02 15:22:32,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:22:32,178 INFO L93 Difference]: Finished difference Result 500 states and 657 transitions. [2020-12-02 15:22:32,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-02 15:22:32,198 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-12-02 15:22:32,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:22:32,201 INFO L225 Difference]: With dead ends: 500 [2020-12-02 15:22:32,201 INFO L226 Difference]: Without dead ends: 449 [2020-12-02 15:22:32,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 59.1s TimeCoverageRelationStatistics Valid=30, Invalid=64, Unknown=12, NotChecked=76, Total=182 [2020-12-02 15:22:32,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2020-12-02 15:22:32,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 396. [2020-12-02 15:22:32,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-12-02 15:22:32,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 518 transitions. [2020-12-02 15:22:32,236 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 518 transitions. Word has length 21 [2020-12-02 15:22:32,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:22:32,236 INFO L481 AbstractCegarLoop]: Abstraction has 396 states and 518 transitions. [2020-12-02 15:22:32,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-02 15:22:32,236 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 518 transitions. [2020-12-02 15:22:32,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-02 15:22:32,245 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:22:32,245 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:22:32,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 15:22:32,461 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:22:32,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:22:32,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1071641205, now seen corresponding path program 1 times [2020-12-02 15:22:32,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:22:32,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [929687975] [2020-12-02 15:22:32,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-02 15:22:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:22:34,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-02 15:22:34,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:22:36,495 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start___ieee754_rem_pio2_~x (_ BitVec 64))) (let ((.cse0 ((_ extract 63 32) ULTIMATE.start___ieee754_rem_pio2_~x))) (and (not (bvsge (bvand (_ bv2147483647 32) .cse0) (_ bv2146435072 32))) (= c_ULTIMATE.start___ieee754_rem_pio2_~hx~2 .cse0)))) is different from true [2020-12-02 15:22:43,167 WARN L197 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-02 15:22:45,526 WARN L197 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 15 [2020-12-02 15:22:45,542 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 15:22:45,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:22:50,546 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-02 15:22:52,976 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-02 15:22:52,987 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 15:22:52,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [929687975] [2020-12-02 15:22:52,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:22:52,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 12 [2020-12-02 15:22:52,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052247188] [2020-12-02 15:22:52,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-02 15:22:52,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:22:52,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-02 15:22:52,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=83, Unknown=3, NotChecked=18, Total=132 [2020-12-02 15:22:52,990 INFO L87 Difference]: Start difference. First operand 396 states and 518 transitions. Second operand 12 states. [2020-12-02 15:22:58,946 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-02 15:23:06,096 WARN L197 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2020-12-02 15:23:10,582 WARN L197 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 21 [2020-12-02 15:23:15,127 WARN L197 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 24 [2020-12-02 15:23:26,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:23:26,270 INFO L93 Difference]: Finished difference Result 498 states and 654 transitions. [2020-12-02 15:23:26,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-02 15:23:26,272 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 24 [2020-12-02 15:23:26,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:23:26,275 INFO L225 Difference]: With dead ends: 498 [2020-12-02 15:23:26,275 INFO L226 Difference]: Without dead ends: 447 [2020-12-02 15:23:26,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 34.4s TimeCoverageRelationStatistics Valid=64, Invalid=145, Unknown=5, NotChecked=26, Total=240 [2020-12-02 15:23:26,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-12-02 15:23:26,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 396. [2020-12-02 15:23:26,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2020-12-02 15:23:26,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 517 transitions. [2020-12-02 15:23:26,308 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 517 transitions. Word has length 24 [2020-12-02 15:23:26,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:23:26,308 INFO L481 AbstractCegarLoop]: Abstraction has 396 states and 517 transitions. [2020-12-02 15:23:26,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-02 15:23:26,309 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 517 transitions. [2020-12-02 15:23:26,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-02 15:23:26,312 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:23:26,312 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:23:26,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-02 15:23:26,527 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:23:26,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:23:26,528 INFO L82 PathProgramCache]: Analyzing trace with hash 730294160, now seen corresponding path program 1 times [2020-12-02 15:23:26,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:23:26,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291832281] [2020-12-02 15:23:26,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-12-02 15:23:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:23:28,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-02 15:23:28,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:23:34,050 WARN L197 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 15:23:40,330 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-02 15:23:40,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291832281] [2020-12-02 15:23:40,332 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") [2020-12-02 15:23:40,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [723698929] [2020-12-02 15:23:40,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-12-02 15:23:40,355 WARN L195 Executor]: External (cvc4 --incremental --print-success --lang smt --rewrite-divk) stderr output: (error "Error in option parsing: can't understand option `--rewrite-divk'") Please use --help to get help on command-line options. [2020-12-02 15:23:40,356 FATAL L? ?]: Ignoring exception! de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (cvc4 --incremental --print-success --lang smt --rewrite-divk)Received EOF on stdin. stderr output: (error "Error in option parsing: can't understand option `--rewrite-divk'") Please use --help to get help on command-line options. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:209) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:222) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.createProcess(Executor.java:108) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.(Executor.java:83) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.(Scriptor.java:72) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.solverbuilder.SolverBuilder.buildScript(SolverBuilder.java:149) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.solverbuilder.SolverBuilder.buildAndInitializeSolver(SolverBuilder.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) ... 34 more [2020-12-02 15:23:40,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320018332] [2020-12-02 15:23:40,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-02 15:23:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:23:40,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-02 15:23:40,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:23:40,735 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken [2020-12-02 15:23:40,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:23:40,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-12-02 15:23:40,736 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-12-02 15:23:40,736 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 15:23:41,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 mathsat -unsat_core_generation=3 [2020-12-02 15:23:41,189 WARN L254 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-12-02 15:23:41,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:23:41 BoogieIcfgContainer [2020-12-02 15:23:41,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:23:41,193 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:23:41,193 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:23:41,193 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:23:41,194 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:19" (3/4) ... [2020-12-02 15:23:41,201 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-02 15:23:41,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:23:41,207 INFO L168 Benchmark]: Toolchain (without parser) took 818323.88 ms. Allocated memory was 52.4 MB in the beginning and 125.8 MB in the end (delta: 73.4 MB). Free memory was 28.3 MB in the beginning and 55.0 MB in the end (delta: -26.6 MB). Peak memory consumption was 47.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:23:41,208 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 52.4 MB. Free memory was 34.6 MB in the beginning and 34.5 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:23:41,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1095.43 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 28.2 MB in the beginning and 51.8 MB in the end (delta: -23.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-12-02 15:23:41,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 215.45 ms. Allocated memory is still 73.4 MB. Free memory was 51.8 MB in the beginning and 37.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-02 15:23:41,218 INFO L168 Benchmark]: Boogie Preprocessor took 269.16 ms. Allocated memory is still 73.4 MB. Free memory was 37.2 MB in the beginning and 36.6 MB in the end (delta: 599.2 kB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2020-12-02 15:23:41,223 INFO L168 Benchmark]: RCFGBuilder took 134865.55 ms. Allocated memory was 73.4 MB in the beginning and 125.8 MB in the end (delta: 52.4 MB). Free memory was 36.6 MB in the beginning and 76.0 MB in the end (delta: -39.4 MB). Peak memory consumption was 67.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:23:41,226 INFO L168 Benchmark]: TraceAbstraction took 681858.06 ms. Allocated memory is still 125.8 MB. Free memory was 76.0 MB in the beginning and 55.0 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:23:41,226 INFO L168 Benchmark]: Witness Printer took 9.19 ms. Allocated memory is still 125.8 MB. Free memory is still 55.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:23:41,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 52.4 MB. Free memory was 34.6 MB in the beginning and 34.5 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1095.43 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 28.2 MB in the beginning and 51.8 MB in the end (delta: -23.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 215.45 ms. Allocated memory is still 73.4 MB. Free memory was 51.8 MB in the beginning and 37.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 269.16 ms. Allocated memory is still 73.4 MB. Free memory was 37.2 MB in the beginning and 36.6 MB in the end (delta: 599.2 kB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 134865.55 ms. Allocated memory was 73.4 MB in the beginning and 125.8 MB in the end (delta: 52.4 MB). Free memory was 36.6 MB in the beginning and 76.0 MB in the end (delta: -39.4 MB). Peak memory consumption was 67.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 681858.06 ms. Allocated memory is still 125.8 MB. Free memory was 76.0 MB in the beginning and 55.0 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. * Witness Printer took 9.19 ms. Allocated memory is still 125.8 MB. Free memory is still 55.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 647]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L22] EXPR 1.0e300 [L22] static const double huge_floor = 1.0e300; [L22] 1.0e300 [L111] EXPR 1.80143985094819840000e+16 [L111-L113] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L111] EXPR 1.80143985094819840000e+16 [L112] EXPR 5.55111512312578270212e-17 [L111-L113] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L112] EXPR 5.55111512312578270212e-17 [L113] EXPR 1.0e+300 [L111-L113] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L113] EXPR 1.0e+300 [L113] EXPR 1.0e-300 [L111-L113] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L113] 1.0e-300 [L182] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L184-L189] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L185] EXPR 1.57079625129699707031e+00 [L184-L189] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L185] EXPR 7.54978941586159635335e-08 [L184-L189] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L186] EXPR 5.39030252995776476554e-15 [L184-L189] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L186] EXPR 3.28200341580791294123e-22 [L184-L189] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L187] EXPR 1.27065575308067607349e-29 [L184-L189] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L187] EXPR 1.22933308981111328932e-36 [L184-L189] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L188] EXPR 2.73370053816464559624e-44 [L184-L189] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L188] EXPR 2.16741683877804819444e-51 [L184-L189] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L188] 2.73370053816464559624e-44 [L185] 1.57079625129699707031e+00 [L186] 5.39030252995776476554e-15 [L187] 1.22933308981111328932e-36 [L188] 2.16741683877804819444e-51 [L187] 1.27065575308067607349e-29 [L185] 7.54978941586159635335e-08 [L186] 3.28200341580791294123e-22 [L191] EXPR 0.0 [L191-L193] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L191] EXPR 0.0 [L191] EXPR 1.0 [L191-L193] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L191] EXPR 1.0 [L192] EXPR 1.67772160000000000000e+07 [L191-L193] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L192] EXPR 1.67772160000000000000e+07 [L193] EXPR 5.96046447753906250000e-08 [L191-L193] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L193] 5.96046447753906250000e-08 [L366-L377] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L379-L386] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L388] EXPR 0.00000000000000000000e+00 [L388-L397] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L389] EXPR 5.00000000000000000000e-01 [L388-L397] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L390] EXPR 1.67772160000000000000e+07 [L388-L397] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L390] EXPR 1.67772160000000000000e+07 [L391] EXPR 6.36619772367581382433e-01 [L388-L397] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L392] EXPR 1.57079632673412561417e+00 [L388-L397] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L393] EXPR 6.07710050650619224932e-11 [L388-L397] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L394] EXPR 6.07710050630396597660e-11 [L388-L397] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L395] EXPR 2.02226624879595063154e-21 [L388-L397] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L396] EXPR 2.02226624871116645580e-21 [L388-L397] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L397] EXPR 8.47842766036889956997e-32 [L388-L397] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L530] EXPR 1.00000000000000000000e+00 [L530-L536] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L530] EXPR 1.00000000000000000000e+00 [L531] EXPR 4.16666666666666019037e-02 [L530-L536] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L532] EXPR 1.38888888888741095749e-03 [L532] EXPR -1.38888888888741095749e-03 [L530-L536] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L533] EXPR 2.48015872894767294178e-05 [L530-L536] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L534] EXPR 2.75573143513906633035e-07 [L534] EXPR -2.75573143513906633035e-07 [L530-L536] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L535] EXPR 2.08757232129817482790e-09 [L530-L536] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L536] EXPR 1.13596475577881948265e-11 [L536] EXPR -1.13596475577881948265e-11 [L530-L536] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L574] EXPR 5.00000000000000000000e-01 [L574-L580] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L575] EXPR 1.66666666666666324348e-01 [L575] EXPR -1.66666666666666324348e-01 [L574-L580] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L575] EXPR -1.66666666666666324348e-01 [L576] EXPR 8.33333333332248946124e-03 [L574-L580] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L576] EXPR 8.33333333332248946124e-03 [L577] EXPR 1.98412698298579493134e-04 [L577] EXPR -1.98412698298579493134e-04 [L574-L580] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L577] EXPR 1.98412698298579493134e-04 [L578] EXPR 2.75573137070700676789e-06 [L574-L580] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L578] EXPR 2.75573137070700676789e-06 [L579] EXPR 2.50507602534068634195e-08 [L579] EXPR -2.50507602534068634195e-08 [L574-L580] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L579] EXPR 2.50507602534068634195e-08 [L579] EXPR -2.50507602534068634195e-08 [L580] EXPR 1.58969099521155010221e-10 [L574-L580] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L580] 1.58969099521155010221e-10 [L642] EXPR 0.0 [L642] EXPR 0.0 [L642] EXPR 0.0 / 0.0 [L642] double x = 0.0 / 0.0; [L605] double y[2], z = 0.0; [L605] EXPR 0.0 [L605] double y[2], z = 0.0; [L606] __int32_t n, ix; [L608] ieee_double_shape_type gh_u; [L609] gh_u.value = (x) [L610] EXPR gh_u.parts.msw [L610] (ix) = gh_u.parts.msw [L613] ix &= 0x7fffffff [L614] COND FALSE !(ix <= 0x3fe921fb) [L617] COND FALSE !(ix >= 0x7ff00000) [L400] EXPR 0.0 [L400] double z = 0.0, w, t, r, fn; [L400] double z = 0.0, w, t, r, fn; [L401] double tx[3]; [L402] __int32_t i, j, n, ix, hx; [L403] int e0, nx; [L404] __uint32_t low; [L407] ieee_double_shape_type gh_u; [L408] gh_u.value = (x) [L409] EXPR gh_u.parts.msw [L409] (hx) = gh_u.parts.msw [L411] ix = hx & 0x7fffffff [L412] COND FALSE !(ix <= 0x3fe921fb) [L417] COND TRUE ix < 0x4002d97c [L418] COND TRUE hx > 0 [L419] EXPR x - pio2_1_rempio [L419] z = x - pio2_1_rempio [L420] COND TRUE ix != 0x3ff921fb [L421] EXPR z - pio2_1t_rempio [L421] y[0] = z - pio2_1t_rempio [L422] EXPR y[0] [L422] EXPR z - y[0] [L422] EXPR (z - y[0]) - pio2_1t_rempio [L422] y[1] = (z - y[0]) - pio2_1t_rempio [L428] return 1; [L428] return 1; [L621] n = __ieee754_rem_pio2(x, y) [L623] case 0: [L625] case 1: [L627] case 2: [L629] default: [L643] double res = cos_double(x); [L88] return x != x; [L646] COND TRUE !isnan_double(res) [L647] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 411 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 681.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 559.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2616 SDtfs, 4428 SDslu, 8004 SDs, 0 SdLazy, 403 SolverSat, 10 SolverUnsat, 177 SolverUnknown, 0 SolverNotchecked, 478.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 113 SyntacticMatches, 4 SemanticMatches, 50 ConstructedPredicates, 7 IntricatePredicates, 1 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 161.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=411occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 230 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 6.4s SatisfiabilityAnalysisTime, 98.4s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 154 ConstructedInterpolants, 24 QuantifiedInterpolants, 21887 SizeOfPredicates, 28 NumberOfNonLiveVariables, 1256 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...