./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0921.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0921.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 1136c048c7bb954ba4fcc2a6dd3e995696fc40b9 ................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_0921.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 1136c048c7bb954ba4fcc2a6dd3e995696fc40b9 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 16:04:41,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 16:04:41,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 16:04:41,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 16:04:41,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 16:04:41,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 16:04:41,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 16:04:41,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 16:04:41,979 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 16:04:41,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 16:04:41,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 16:04:41,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 16:04:41,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 16:04:42,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 16:04:42,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 16:04:42,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 16:04:42,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 16:04:42,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 16:04:42,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 16:04:42,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 16:04:42,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 16:04:42,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 16:04:42,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 16:04:42,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 16:04:42,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 16:04:42,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 16:04:42,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 16:04:42,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 16:04:42,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 16:04:42,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 16:04:42,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 16:04:42,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 16:04:42,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 16:04:42,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 16:04:42,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 16:04:42,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 16:04:42,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 16:04:42,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 16:04:42,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 16:04:42,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 16:04:42,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 16:04:42,067 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 16:04:42,123 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 16:04:42,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 16:04:42,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 16:04:42,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 16:04:42,131 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 16:04:42,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 16:04:42,131 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 16:04:42,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 16:04:42,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 16:04:42,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 16:04:42,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 16:04:42,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 16:04:42,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 16:04:42,134 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 16:04:42,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 16:04:42,135 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 16:04:42,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 16:04:42,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 16:04:42,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 16:04:42,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 16:04:42,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 16:04:42,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:04:42,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 16:04:42,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 16:04:42,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 16:04:42,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 16:04:42,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 16:04:42,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 16:04:42,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 16:04:42,138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1136c048c7bb954ba4fcc2a6dd3e995696fc40b9 [2020-12-02 16:04:42,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 16:04:42,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 16:04:42,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 16:04:42,660 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 16:04:42,661 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 16:04:42,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0921.c [2020-12-02 16:04:42,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5de1c93c9/cf7e0a1ffd4d4ea8a8b8f1fbc92f18ae/FLAG2d2ad4489 [2020-12-02 16:04:43,581 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 16:04:43,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0921.c [2020-12-02 16:04:43,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5de1c93c9/cf7e0a1ffd4d4ea8a8b8f1fbc92f18ae/FLAG2d2ad4489 [2020-12-02 16:04:43,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5de1c93c9/cf7e0a1ffd4d4ea8a8b8f1fbc92f18ae [2020-12-02 16:04:43,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 16:04:43,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 16:04:43,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 16:04:43,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 16:04:43,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 16:04:43,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:04:43" (1/1) ... [2020-12-02 16:04:43,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c9d12f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:43, skipping insertion in model container [2020-12-02 16:04:43,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:04:43" (1/1) ... [2020-12-02 16:04:43,956 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 16:04:43,995 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 16:04:44,294 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.transformBitvectorToFloat(IntegerTranslation.java:919) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructUnaryExpression(ExpressionTranslation.java:141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleUnaryArithmeticOperators(CExpressionTranslator.java:407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2351) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:704) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1970) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1576) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1044) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1422) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:578) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:201) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-02 16:04:44,305 INFO L168 Benchmark]: Toolchain (without parser) took 370.68 ms. Allocated memory is still 54.5 MB. Free memory was 31.1 MB in the beginning and 36.1 MB in the end (delta: -5.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-12-02 16:04:44,307 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 41.9 MB. Free memory was 19.8 MB in the beginning and 19.8 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 16:04:44,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.95 ms. Allocated memory is still 54.5 MB. Free memory was 30.9 MB in the beginning and 36.1 MB in the end (delta: -5.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-12-02 16:04:44,315 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 41.9 MB. Free memory was 19.8 MB in the beginning and 19.8 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 363.95 ms. Allocated memory is still 54.5 MB. Free memory was 30.9 MB in the beginning and 36.1 MB in the end (delta: -5.2 MB). Peak memory consumption was 9.7 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 16:04:46,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 16:04:46,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 16:04:46,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 16:04:46,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 16:04:46,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 16:04:46,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 16:04:46,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 16:04:46,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 16:04:46,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 16:04:46,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 16:04:46,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 16:04:46,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 16:04:46,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 16:04:46,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 16:04:46,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 16:04:46,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 16:04:46,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 16:04:46,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 16:04:46,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 16:04:46,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 16:04:46,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 16:04:46,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 16:04:46,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 16:04:46,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 16:04:46,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 16:04:46,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 16:04:46,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 16:04:46,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 16:04:46,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 16:04:46,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 16:04:46,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 16:04:46,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 16:04:46,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 16:04:46,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 16:04:46,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 16:04:46,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 16:04:46,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 16:04:46,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 16:04:46,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 16:04:46,998 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 16:04:46,999 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 16:04:47,060 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 16:04:47,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 16:04:47,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 16:04:47,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 16:04:47,066 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 16:04:47,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 16:04:47,067 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 16:04:47,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 16:04:47,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 16:04:47,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 16:04:47,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 16:04:47,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 16:04:47,071 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 16:04:47,072 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 16:04:47,072 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 16:04:47,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 16:04:47,072 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 16:04:47,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 16:04:47,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 16:04:47,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 16:04:47,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 16:04:47,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 16:04:47,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 16:04:47,073 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 16:04:47,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 16:04:47,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 16:04:47,074 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 16:04:47,074 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 16:04:47,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 16:04:47,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 16:04:47,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 16:04:47,077 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1136c048c7bb954ba4fcc2a6dd3e995696fc40b9 [2020-12-02 16:04:47,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 16:04:47,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 16:04:47,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 16:04:47,586 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 16:04:47,587 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 16:04:47,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0921.c [2020-12-02 16:04:47,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4053e832b/e17ebdd4d6d14448bfa7b69fe249d1b0/FLAGc6a09fd14 [2020-12-02 16:04:48,278 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 16:04:48,279 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0921.c [2020-12-02 16:04:48,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4053e832b/e17ebdd4d6d14448bfa7b69fe249d1b0/FLAGc6a09fd14 [2020-12-02 16:04:48,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4053e832b/e17ebdd4d6d14448bfa7b69fe249d1b0 [2020-12-02 16:04:48,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 16:04:48,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 16:04:48,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 16:04:48,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 16:04:48,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 16:04:48,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:04:48" (1/1) ... [2020-12-02 16:04:48,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41102c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:48, skipping insertion in model container [2020-12-02 16:04:48,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:04:48" (1/1) ... [2020-12-02 16:04:48,657 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 16:04:48,684 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 16:04:49,076 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0921.c[3212,3225] [2020-12-02 16:04:49,081 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 16:04:49,110 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 16:04:49,171 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0921.c[3212,3225] [2020-12-02 16:04:49,172 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 16:04:49,201 INFO L217 MainTranslator]: Completed translation [2020-12-02 16:04:49,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:49 WrapperNode [2020-12-02 16:04:49,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 16:04:49,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 16:04:49,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 16:04:49,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 16:04:49,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:49" (1/1) ... [2020-12-02 16:04:49,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:49" (1/1) ... [2020-12-02 16:04:49,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 16:04:49,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 16:04:49,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 16:04:49,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 16:04:49,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:49" (1/1) ... [2020-12-02 16:04:49,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:49" (1/1) ... [2020-12-02 16:04:49,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:49" (1/1) ... [2020-12-02 16:04:49,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:49" (1/1) ... [2020-12-02 16:04:49,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:49" (1/1) ... [2020-12-02 16:04:49,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:49" (1/1) ... [2020-12-02 16:04:49,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:49" (1/1) ... [2020-12-02 16:04:49,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 16:04:49,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 16:04:49,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 16:04:49,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 16:04:49,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:49" (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 16:04:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 16:04:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 16:04:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 16:04:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-02 16:04:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 16:04:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 16:04:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 16:04:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-02 16:04:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 16:04:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 16:04:49,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 16:05:13,003 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 16:05:13,004 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-02 16:05:13,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:05:13 BoogieIcfgContainer [2020-12-02 16:05:13,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 16:05:13,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 16:05:13,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 16:05:13,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 16:05:13,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:04:48" (1/3) ... [2020-12-02 16:05:13,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b9f306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:05:13, skipping insertion in model container [2020-12-02 16:05:13,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:49" (2/3) ... [2020-12-02 16:05:13,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44b9f306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:05:13, skipping insertion in model container [2020-12-02 16:05:13,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:05:13" (3/3) ... [2020-12-02 16:05:13,029 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0921.c [2020-12-02 16:05:13,044 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 16:05:13,049 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 16:05:13,061 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 16:05:13,091 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 16:05:13,091 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 16:05:13,091 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 16:05:13,091 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 16:05:13,092 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 16:05:13,092 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 16:05:13,092 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 16:05:13,092 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 16:05:13,108 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-12-02 16:05:13,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-02 16:05:13,114 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:05:13,115 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:05:13,116 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:05:13,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:05:13,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1904103824, now seen corresponding path program 1 times [2020-12-02 16:05:13,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:05:13,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092657846] [2020-12-02 16:05:13,139 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 16:05:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:05:14,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 16:05:14,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:05:14,070 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 16:05:14,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:05:14,082 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 16:05:14,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092657846] [2020-12-02 16:05:14,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:05:14,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 16:05:14,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217174322] [2020-12-02 16:05:14,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 16:05:14,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:05:14,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 16:05:14,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 16:05:14,111 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2020-12-02 16:05:14,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:05:14,132 INFO L93 Difference]: Finished difference Result 58 states and 92 transitions. [2020-12-02 16:05:14,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 16:05:14,134 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-02 16:05:14,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:05:14,145 INFO L225 Difference]: With dead ends: 58 [2020-12-02 16:05:14,146 INFO L226 Difference]: Without dead ends: 27 [2020-12-02 16:05:14,149 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 16:05:14,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-02 16:05:14,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-02 16:05:14,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-02 16:05:14,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-12-02 16:05:14,187 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 9 [2020-12-02 16:05:14,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:05:14,188 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-12-02 16:05:14,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 16:05:14,188 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-12-02 16:05:14,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-02 16:05:14,189 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:05:14,189 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:05:14,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 16:05:14,403 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:05:14,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:05:14,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1484246989, now seen corresponding path program 1 times [2020-12-02 16:05:14,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:05:14,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [991959496] [2020-12-02 16:05:14,407 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 16:05:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:05:15,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-02 16:05:15,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:05:16,096 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 16:05:18,614 WARN L197 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-02 16:05:18,646 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 16:05:18,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:05:19,886 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 16:05:19,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [991959496] [2020-12-02 16:05:19,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:05:19,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-12-02 16:05:19,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156471411] [2020-12-02 16:05:19,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-02 16:05:19,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:05:19,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-02 16:05:19,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-12-02 16:05:19,891 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 7 states. [2020-12-02 16:05:22,207 WARN L197 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 16:05:26,316 WARN L197 SmtUtils]: Spent 3.31 s on a formula simplification that was a NOOP. DAG size: 34 [2020-12-02 16:05:36,350 WARN L197 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-02 16:05:56,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:05:56,897 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2020-12-02 16:05:56,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 16:05:56,923 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2020-12-02 16:05:56,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:05:56,924 INFO L225 Difference]: With dead ends: 42 [2020-12-02 16:05:56,924 INFO L226 Difference]: Without dead ends: 37 [2020-12-02 16:05:56,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-12-02 16:05:56,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-12-02 16:05:56,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 27. [2020-12-02 16:05:56,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-02 16:05:56,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2020-12-02 16:05:56,936 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2020-12-02 16:05:56,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:05:56,937 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2020-12-02 16:05:56,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-02 16:05:56,938 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2020-12-02 16:05:56,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-02 16:05:56,938 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:05:56,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:05:57,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 16:05:57,141 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:05:57,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:05:57,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1245975282, now seen corresponding path program 1 times [2020-12-02 16:05:57,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:05:57,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [921499234] [2020-12-02 16:05:57,145 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 16:05:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:05:58,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-02 16:05:58,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:05:59,083 WARN L197 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-02 16:06:03,821 WARN L197 SmtUtils]: Spent 3.61 s on a formula simplification that was a NOOP. DAG size: 42 [2020-12-02 16:06:05,962 WARN L838 $PredicateComparison]: unable to prove that (exists ((~zero_log~0 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_logf_#t~nondet24_6| (_ BitVec 32)) (|v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6| (_ BitVec 64)) (ULTIMATE.start___ieee754_logf_~x (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet101_8| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet100_8| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_logf_#t~nondet24_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_logf_#t~nondet24_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_logf_#t~nondet24_6|))) (.cse3 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet100_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet100_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet100_8|))) (.cse2 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_logf_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_logf_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_logf_~x))) (.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6|))) (.cse1 (fp ((_ extract 31 31) ~zero_log~0) ((_ extract 30 23) ~zero_log~0) ((_ extract 22 0) ~zero_log~0))) (.cse4 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet101_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet101_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet101_8|)))) (and (= (fp.div roundNearestTiesToEven .cse0 .cse1) (fp ((_ extract 31 31) |c_ULTIMATE.start___ieee754_logf_#res|) ((_ extract 30 23) |c_ULTIMATE.start___ieee754_logf_#res|) ((_ extract 22 0) |c_ULTIMATE.start___ieee754_logf_#res|))) (= .cse0 (fp.sub roundNearestTiesToEven .cse2 .cse2)) (= (_ +zero 8 24) .cse3) (= (fp.div roundNearestTiesToEven .cse3 .cse4) .cse2) (= (_ +zero 11 53) .cse5) (= ((_ to_fp 8 24) roundNearestTiesToEven .cse5) .cse1) (= .cse4 (_ +zero 8 24))))) is different from false [2020-12-02 16:06:06,008 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 16:06:06,013 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-02 16:06:08,500 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 16:06:08,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:06:13,824 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start___ieee754_logf_#t~nondet24_6| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_logf_#res_17| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_logf_#t~nondet24_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_logf_#t~nondet24_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_logf_#t~nondet24_6|))) (.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_logf_#res_17|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_logf_#res_17|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_logf_#res_17|)))) (or (not (= .cse0 (let ((.cse1 (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_logf_~x) ((_ extract 30 23) c_ULTIMATE.start___ieee754_logf_~x) ((_ extract 22 0) c_ULTIMATE.start___ieee754_logf_~x)))) (fp.sub c_~CRM .cse1 .cse1)))) (not (fp.eq .cse2 .cse2)) (not (= (fp.div c_~CRM .cse0 (fp ((_ extract 31 31) c_~zero_log~0) ((_ extract 30 23) c_~zero_log~0) ((_ extract 22 0) c_~zero_log~0))) .cse2))))) is different from true [2020-12-02 16:06:14,240 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 16:06:14,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [921499234] [2020-12-02 16:06:14,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:06:14,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2020-12-02 16:06:14,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657034827] [2020-12-02 16:06:14,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-02 16:06:14,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:06:14,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-02 16:06:14,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=56, Unknown=2, NotChecked=30, Total=110 [2020-12-02 16:06:14,245 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand 11 states. [2020-12-02 16:06:17,151 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start___ieee754_logf_#t~nondet24_6| (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_logf_#res_17| (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_logf_#t~nondet24_6|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_logf_#t~nondet24_6|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_logf_#t~nondet24_6|))) (.cse2 (fp ((_ extract 31 31) |v_ULTIMATE.start___ieee754_logf_#res_17|) ((_ extract 30 23) |v_ULTIMATE.start___ieee754_logf_#res_17|) ((_ extract 22 0) |v_ULTIMATE.start___ieee754_logf_#res_17|)))) (or (not (= .cse0 (let ((.cse1 (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_logf_~x) ((_ extract 30 23) c_ULTIMATE.start___ieee754_logf_~x) ((_ extract 22 0) c_ULTIMATE.start___ieee754_logf_~x)))) (fp.sub c_~CRM .cse1 .cse1)))) (not (fp.eq .cse2 .cse2)) (not (= (fp.div c_~CRM .cse0 (fp ((_ extract 31 31) c_~zero_log~0) ((_ extract 30 23) c_~zero_log~0) ((_ extract 22 0) c_~zero_log~0))) .cse2))))) (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet101_8| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet100_8| (_ BitVec 32))) (let ((.cse3 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet100_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet100_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet100_8|))) (.cse4 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet101_8|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet101_8|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet101_8|)))) (and (= (fp.div c_~CRM .cse3 .cse4) (fp ((_ extract 31 31) c_ULTIMATE.start___ieee754_logf_~x) ((_ extract 30 23) c_ULTIMATE.start___ieee754_logf_~x) ((_ extract 22 0) c_ULTIMATE.start___ieee754_logf_~x))) (= (_ +zero 8 24) .cse3) (= .cse4 (_ +zero 8 24))))) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6| (_ BitVec 64))) (let ((.cse5 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6|)))) (and (= ((_ to_fp 8 24) c_~CRM .cse5) (fp ((_ extract 31 31) c_~zero_log~0) ((_ extract 30 23) c_~zero_log~0) ((_ extract 22 0) c_~zero_log~0))) (= (_ +zero 11 53) .cse5))))) is different from false [2020-12-02 16:06:33,682 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-02 16:07:05,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:07:05,630 INFO L93 Difference]: Finished difference Result 32 states and 40 transitions. [2020-12-02 16:07:05,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-02 16:07:05,653 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 11 [2020-12-02 16:07:05,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:07:05,654 INFO L225 Difference]: With dead ends: 32 [2020-12-02 16:07:05,654 INFO L226 Difference]: Without dead ends: 27 [2020-12-02 16:07:05,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 34.7s TimeCoverageRelationStatistics Valid=37, Invalid=82, Unknown=3, NotChecked=60, Total=182 [2020-12-02 16:07:05,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-02 16:07:05,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-02 16:07:05,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-02 16:07:05,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2020-12-02 16:07:05,661 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2020-12-02 16:07:05,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:07:05,661 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-12-02 16:07:05,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-02 16:07:05,661 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2020-12-02 16:07:05,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 16:07:05,662 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 16:07:05,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 16:07:05,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 16:07:05,867 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 16:07:05,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 16:07:05,868 INFO L82 PathProgramCache]: Analyzing trace with hash 21097842, now seen corresponding path program 1 times [2020-12-02 16:07:05,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 16:07:05,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1243259392] [2020-12-02 16:07:05,870 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 16:07:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 16:07:06,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-02 16:07:06,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 16:07:07,644 WARN L197 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-02 16:07:09,094 WARN L197 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-02 16:07:11,485 WARN L197 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 29 [2020-12-02 16:07:20,504 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-02 16:07:20,526 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 16:07:20,528 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-02 16:07:24,136 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 16:07:24,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 16:07:32,827 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-02 16:07:34,555 WARN L197 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-12-02 16:07:36,810 WARN L197 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-02 16:07:37,081 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 16:07:37,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1243259392] [2020-12-02 16:07:37,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 16:07:37,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2020-12-02 16:07:37,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653627144] [2020-12-02 16:07:37,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-02 16:07:37,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 16:07:37,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-02 16:07:37,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=160, Unknown=3, NotChecked=0, Total=210 [2020-12-02 16:07:37,084 INFO L87 Difference]: Start difference. First operand 27 states and 35 transitions. Second operand 15 states. [2020-12-02 16:07:45,418 WARN L197 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 31 [2020-12-02 16:08:10,420 WARN L197 SmtUtils]: Spent 18.57 s on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-12-02 16:08:37,540 WARN L197 SmtUtils]: Spent 22.54 s on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-02 16:09:00,124 WARN L197 SmtUtils]: Spent 20.43 s on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-12-02 16:09:00,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 16:09:00,127 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2020-12-02 16:09:00,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-02 16:09:00,127 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 12 [2020-12-02 16:09:00,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 16:09:00,128 INFO L225 Difference]: With dead ends: 30 [2020-12-02 16:09:00,128 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 16:09:00,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 109.3s TimeCoverageRelationStatistics Valid=101, Invalid=238, Unknown=3, NotChecked=0, Total=342 [2020-12-02 16:09:00,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 16:09:00,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 16:09:00,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 16:09:00,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 16:09:00,129 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-12-02 16:09:00,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 16:09:00,130 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 16:09:00,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-02 16:09:00,130 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 16:09:00,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 16:09:00,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 16:09:00,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 16:09:01,206 WARN L197 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 11 [2020-12-02 16:09:01,753 WARN L197 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 7 [2020-12-02 16:09:13,121 WARN L197 SmtUtils]: Spent 11.35 s on a formula simplification. DAG size of input: 94 DAG size of output: 42 [2020-12-02 16:09:13,142 INFO L262 CegarLoopResult]: For program point L97(lines 97 109) no Hoare annotation was computed. [2020-12-02 16:09:13,142 INFO L262 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-12-02 16:09:13,142 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 16:09:13,143 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 16:09:13,143 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 16:09:13,143 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 126) no Hoare annotation was computed. [2020-12-02 16:09:13,143 INFO L262 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-12-02 16:09:13,143 INFO L262 CegarLoopResult]: For program point L45(lines 45 46) no Hoare annotation was computed. [2020-12-02 16:09:13,143 INFO L262 CegarLoopResult]: For program point L70(lines 70 86) no Hoare annotation was computed. [2020-12-02 16:09:13,143 INFO L262 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2020-12-02 16:09:13,143 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 16:09:13,143 INFO L262 CegarLoopResult]: For program point L54-1(lines 54 58) no Hoare annotation was computed. [2020-12-02 16:09:13,144 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 58) the Hoare annotation is: false [2020-12-02 16:09:13,144 INFO L258 CegarLoopResult]: At program point L108(lines 34 110) the Hoare annotation is: (not (let ((.cse0 (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_logf_#res|) ((_ extract 30 23) |ULTIMATE.start___ieee754_logf_#res|) ((_ extract 22 0) |ULTIMATE.start___ieee754_logf_#res|)))) (fp.eq .cse0 .cse0))) [2020-12-02 16:09:13,145 INFO L262 CegarLoopResult]: For program point L71(lines 71 78) no Hoare annotation was computed. [2020-12-02 16:09:13,145 INFO L262 CegarLoopResult]: For program point L38-1(lines 38 42) no Hoare annotation was computed. [2020-12-02 16:09:13,145 INFO L258 CegarLoopResult]: At program point L38-2(lines 38 42) the Hoare annotation is: (and (= roundNearestTiesToEven ~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet100_10| (_ BitVec 32)) (|v_ULTIMATE.start_main_#t~nondet101_10| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet100_10|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet100_10|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet100_10|))) (.cse0 (fp ((_ extract 31 31) |v_ULTIMATE.start_main_#t~nondet101_10|) ((_ extract 30 23) |v_ULTIMATE.start_main_#t~nondet101_10|) ((_ extract 22 0) |v_ULTIMATE.start_main_#t~nondet101_10|)))) (and (= .cse0 (_ +zero 8 24)) (= (_ +zero 8 24) .cse1) (= (fp.div ~CRM .cse1 .cse0) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_logf_~x) ((_ extract 30 23) ULTIMATE.start___ieee754_logf_~x) ((_ extract 22 0) ULTIMATE.start___ieee754_logf_~x)))))) (exists ((|v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6| (_ BitVec 64))) (let ((.cse2 (fp ((_ extract 63 63) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6|) ((_ extract 62 52) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6|) ((_ extract 51 0) |v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6|)))) (and (= ((_ to_fp 8 24) ~CRM .cse2) (fp ((_ extract 31 31) ~zero_log~0) ((_ extract 30 23) ~zero_log~0) ((_ extract 22 0) ~zero_log~0))) (= (_ +zero 11 53) .cse2))))) [2020-12-02 16:09:13,145 INFO L262 CegarLoopResult]: For program point L38-3(lines 38 42) no Hoare annotation was computed. [2020-12-02 16:09:13,146 INFO L262 CegarLoopResult]: For program point L63-1(lines 63 67) no Hoare annotation was computed. [2020-12-02 16:09:13,146 INFO L258 CegarLoopResult]: At program point L63-2(lines 63 67) the Hoare annotation is: false [2020-12-02 16:09:13,146 INFO L262 CegarLoopResult]: For program point L125(lines 125 128) no Hoare annotation was computed. [2020-12-02 16:09:13,146 INFO L262 CegarLoopResult]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2020-12-02 16:09:13,146 INFO L262 CegarLoopResult]: For program point L51(lines 51 59) no Hoare annotation was computed. [2020-12-02 16:09:13,146 INFO L262 CegarLoopResult]: For program point L51-1(lines 51 59) no Hoare annotation was computed. [2020-12-02 16:09:13,147 INFO L258 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (not (let ((.cse0 (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_logf_#res|) ((_ extract 30 23) |ULTIMATE.start___ieee754_logf_#res|) ((_ extract 22 0) |ULTIMATE.start___ieee754_logf_#res|)))) (fp.eq .cse0 .cse0)))) [2020-12-02 16:09:13,147 INFO L262 CegarLoopResult]: For program point L80(lines 80 85) no Hoare annotation was computed. [2020-12-02 16:09:13,147 INFO L262 CegarLoopResult]: For program point L47(lines 47 48) no Hoare annotation was computed. [2020-12-02 16:09:13,147 INFO L262 CegarLoopResult]: For program point L105(lines 105 108) no Hoare annotation was computed. [2020-12-02 16:09:13,147 INFO L262 CegarLoopResult]: For program point L72(lines 72 77) no Hoare annotation was computed. [2020-12-02 16:09:13,148 INFO L265 CegarLoopResult]: At program point L130(lines 115 131) the Hoare annotation is: true [2020-12-02 16:09:13,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:09:13,167 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,168 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,169 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,169 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,169 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,169 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,173 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:09:13,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:09:13 BoogieIcfgContainer [2020-12-02 16:09:13,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 16:09:13,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 16:09:13,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 16:09:13,181 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 16:09:13,182 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:05:13" (3/4) ... [2020-12-02 16:09:13,185 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 16:09:13,202 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-12-02 16:09:13,203 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-02 16:09:13,204 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 16:09:13,204 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 16:09:13,232 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~roundNearestTiesToEven == unknown-~CRM-unknown && (\exists v_ULTIMATE.start_main_#t~nondet100_10 : bv32, v_ULTIMATE.start_main_#t~nondet101_10 : bv32 :: (~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet101_10[31:31], v_ULTIMATE.start_main_#t~nondet101_10[30:23], v_ULTIMATE.start_main_#t~nondet101_10[22:0]) == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet100_10[31:31], v_ULTIMATE.start_main_#t~nondet100_10[30:23], v_ULTIMATE.start_main_#t~nondet100_10[22:0])) && ~fp.div~FLOAT(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet100_10[31:31], v_ULTIMATE.start_main_#t~nondet100_10[30:23], v_ULTIMATE.start_main_#t~nondet100_10[22:0]), ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet101_10[31:31], v_ULTIMATE.start_main_#t~nondet101_10[30:23], v_ULTIMATE.start_main_#t~nondet101_10[22:0])) == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]))) && (\exists v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6 : bv64 :: ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6[51:0])) == ~fp~LONGDOUBLE(zero_log[31:31], zero_log[30:23], zero_log[22:0]) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6[51:0])) [2020-12-02 16:09:13,233 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !~fp.eq~FLOAT(~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]), ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0])) [2020-12-02 16:09:13,234 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 1bv32 == \result && !~fp.eq~FLOAT(~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]), ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0])) [2020-12-02 16:09:13,382 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 16:09:13,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 16:09:13,384 INFO L168 Benchmark]: Toolchain (without parser) took 264754.52 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.7 MB in the beginning and 32.2 MB in the end (delta: -9.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2020-12-02 16:09:13,385 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 46.1 MB. Free memory was 27.6 MB in the beginning and 27.5 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 16:09:13,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.76 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.5 MB in the beginning and 28.7 MB in the end (delta: -6.1 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-12-02 16:09:13,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.87 ms. Allocated memory is still 56.6 MB. Free memory was 28.7 MB in the beginning and 25.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 16:09:13,387 INFO L168 Benchmark]: Boogie Preprocessor took 153.12 ms. Allocated memory is still 56.6 MB. Free memory was 25.3 MB in the beginning and 37.0 MB in the end (delta: -11.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. [2020-12-02 16:09:13,387 INFO L168 Benchmark]: RCFGBuilder took 23515.36 ms. Allocated memory is still 56.6 MB. Free memory was 36.8 MB in the beginning and 20.2 MB in the end (delta: 16.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2020-12-02 16:09:13,388 INFO L168 Benchmark]: TraceAbstraction took 240161.98 ms. Allocated memory is still 56.6 MB. Free memory was 36.4 MB in the beginning and 22.4 MB in the end (delta: 14.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2020-12-02 16:09:13,388 INFO L168 Benchmark]: Witness Printer took 202.30 ms. Allocated memory is still 56.6 MB. Free memory was 22.4 MB in the beginning and 32.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2020-12-02 16:09:13,391 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 46.1 MB. Free memory was 27.6 MB in the beginning and 27.5 MB in the end (delta: 32.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 570.76 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 22.5 MB in the beginning and 28.7 MB in the end (delta: -6.1 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 131.87 ms. Allocated memory is still 56.6 MB. Free memory was 28.7 MB in the beginning and 25.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 153.12 ms. Allocated memory is still 56.6 MB. Free memory was 25.3 MB in the beginning and 37.0 MB in the end (delta: -11.7 MB). Peak memory consumption was 6.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 23515.36 ms. Allocated memory is still 56.6 MB. Free memory was 36.8 MB in the beginning and 20.2 MB in the end (delta: 16.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 240161.98 ms. Allocated memory is still 56.6 MB. Free memory was 36.4 MB in the beginning and 22.4 MB in the end (delta: 14.1 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. * Witness Printer took 202.30 ms. Allocated memory is still 56.6 MB. Free memory was 22.4 MB in the beginning and 32.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 126]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1bv32 == \result && !~fp.eq~FLOAT(~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]), ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0])) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: !~fp.eq~FLOAT(~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0]), ~fp~LONGDOUBLE(\result[31:31], \result[30:23], \result[22:0])) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 38]: Loop Invariant [2020-12-02 16:09:13,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:09:13,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,410 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,410 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,410 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,410 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,411 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,411 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,411 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,411 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,414 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-02 16:09:13,414 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,414 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet100_10,QUANTIFIED] [2020-12-02 16:09:13,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet101_10,QUANTIFIED] [2020-12-02 16:09:13,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] [2020-12-02 16:09:13,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6,QUANTIFIED] Derived loop invariant: (~roundNearestTiesToEven == unknown-~CRM-unknown && (\exists v_ULTIMATE.start_main_#t~nondet100_10 : bv32, v_ULTIMATE.start_main_#t~nondet101_10 : bv32 :: (~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet101_10[31:31], v_ULTIMATE.start_main_#t~nondet101_10[30:23], v_ULTIMATE.start_main_#t~nondet101_10[22:0]) == ~Pluszero~LONGDOUBLE() && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet100_10[31:31], v_ULTIMATE.start_main_#t~nondet100_10[30:23], v_ULTIMATE.start_main_#t~nondet100_10[22:0])) && ~fp.div~FLOAT(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet100_10[31:31], v_ULTIMATE.start_main_#t~nondet100_10[30:23], v_ULTIMATE.start_main_#t~nondet100_10[22:0]), ~fp~LONGDOUBLE(v_ULTIMATE.start_main_#t~nondet101_10[31:31], v_ULTIMATE.start_main_#t~nondet101_10[30:23], v_ULTIMATE.start_main_#t~nondet101_10[22:0])) == ~fp~LONGDOUBLE(x[31:31], x[30:23], x[22:0]))) && (\exists v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6 : bv64 :: ~to_fp~LONGDOUBLE(unknown-~CRM-unknown, ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6[51:0])) == ~fp~LONGDOUBLE(zero_log[31:31], zero_log[30:23], zero_log[22:0]) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6[63:63], v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6[62:52], v_ULTIMATE.start_ULTIMATE.init_#t~nondet19_6[51:0])) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 227.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 171.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 93 SDtfs, 94 SDslu, 243 SDs, 0 SdLazy, 96 SolverSat, 14 SolverUnsat, 24 SolverUnknown, 0 SolverNotchecked, 62.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 47 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 158.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 12 NumberOfFragments, 115 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 415 FormulaSimplificationTreeSizeReductionInter, 12.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 51.4s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 76 ConstructedInterpolants, 29 QuantifiedInterpolants, 18656 SizeOfPredicates, 25 NumberOfNonLiveVariables, 267 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...