./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0931.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0931.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 0a345343e4b2fce1b8c67d8cf098c119a4547223 ..................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0931.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 0a345343e4b2fce1b8c67d8cf098c119a4547223 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:27:41,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:27:41,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:27:41,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:27:41,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:27:41,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:27:41,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:27:41,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:27:41,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:27:41,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:27:41,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:27:41,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:27:41,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:27:41,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:27:41,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:27:41,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:27:41,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:27:41,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:27:41,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:27:41,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:27:41,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:27:41,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:27:41,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:27:41,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:27:41,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:27:41,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:27:41,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:27:41,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:27:41,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:27:41,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:27:41,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:27:41,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:27:41,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:27:41,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:27:41,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:27:41,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:27:41,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:27:41,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:27:41,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:27:41,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:27:41,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:27:41,326 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:27:41,402 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:27:41,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:27:41,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:27:41,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:27:41,409 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:27:41,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:27:41,410 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:27:41,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:27:41,411 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:27:41,411 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:27:41,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:27:41,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:27:41,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:27:41,414 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:27:41,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:27:41,414 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:27:41,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:27:41,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:27:41,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:27:41,415 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:27:41,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:27:41,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:27:41,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:27:41,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:27:41,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:27:41,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:27:41,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:27:41,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:27:41,418 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:27:41,418 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a345343e4b2fce1b8c67d8cf098c119a4547223 [2020-12-02 15:27:41,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:27:41,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:27:41,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:27:41,979 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:27:41,981 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:27:41,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0931.c [2020-12-02 15:27:42,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4768d02a7/6c0a296cbb614aeeba78021579561ae9/FLAGe3a047665 [2020-12-02 15:27:42,917 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:27:42,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0931.c [2020-12-02 15:27:42,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4768d02a7/6c0a296cbb614aeeba78021579561ae9/FLAGe3a047665 [2020-12-02 15:27:43,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4768d02a7/6c0a296cbb614aeeba78021579561ae9 [2020-12-02 15:27:43,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:27:43,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:27:43,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:27:43,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:27:43,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:27:43,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:27:43" (1/1) ... [2020-12-02 15:27:43,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be5db14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:43, skipping insertion in model container [2020-12-02 15:27:43,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:27:43" (1/1) ... [2020-12-02 15:27:43,245 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:27:43,290 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:27:43,503 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.visit(CHandler.java:1576) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1044) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1422) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:578) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:201) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-02 15:27:43,511 INFO L168 Benchmark]: Toolchain (without parser) took 292.76 ms. Allocated memory is still 48.2 MB. Free memory was 24.9 MB in the beginning and 27.8 MB in the end (delta: -2.9 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:27:43,512 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 35.7 MB. Free memory was 20.0 MB in the beginning and 20.0 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:27:43,513 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.44 ms. Allocated memory is still 48.2 MB. Free memory was 24.6 MB in the beginning and 27.8 MB in the end (delta: -3.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:27:43,519 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 35.7 MB. Free memory was 20.0 MB in the beginning and 20.0 MB in the end (delta: 42.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 286.44 ms. Allocated memory is still 48.2 MB. Free memory was 24.6 MB in the beginning and 27.8 MB in the end (delta: -3.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.transformBitvectorToFloat(IntegerTranslation.java:919) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 15:27:46,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:27:46,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:27:46,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:27:46,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:27:46,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:27:46,317 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:27:46,320 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:27:46,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:27:46,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:27:46,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:27:46,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:27:46,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:27:46,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:27:46,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:27:46,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:27:46,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:27:46,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:27:46,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:27:46,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:27:46,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:27:46,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:27:46,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:27:46,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:27:46,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:27:46,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:27:46,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:27:46,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:27:46,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:27:46,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:27:46,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:27:46,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:27:46,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:27:46,405 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:27:46,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:27:46,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:27:46,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:27:46,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:27:46,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:27:46,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:27:46,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:27:46,416 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:27:46,477 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:27:46,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:27:46,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:27:46,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:27:46,481 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:27:46,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:27:46,482 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:27:46,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:27:46,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:27:46,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:27:46,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:27:46,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:27:46,483 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:27:46,484 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:27:46,484 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:27:46,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:27:46,485 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:27:46,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:27:46,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:27:46,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:27:46,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:27:46,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:27:46,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:27:46,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:27:46,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:27:46,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:27:46,488 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:27:46,488 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:27:46,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:27:46,488 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:27:46,489 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:27:46,489 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a345343e4b2fce1b8c67d8cf098c119a4547223 [2020-12-02 15:27:46,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:27:46,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:27:46,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:27:46,979 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:27:46,980 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:27:46,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0931.c [2020-12-02 15:27:47,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d466c65ec/4b05afb38e00465583d0a78b6a983cbb/FLAGf4d3feb3b [2020-12-02 15:27:47,805 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:27:47,806 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0931.c [2020-12-02 15:27:47,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d466c65ec/4b05afb38e00465583d0a78b6a983cbb/FLAGf4d3feb3b [2020-12-02 15:27:48,124 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d466c65ec/4b05afb38e00465583d0a78b6a983cbb [2020-12-02 15:27:48,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:27:48,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:27:48,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:27:48,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:27:48,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:27:48,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:27:48" (1/1) ... [2020-12-02 15:27:48,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a3444b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:48, skipping insertion in model container [2020-12-02 15:27:48,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:27:48" (1/1) ... [2020-12-02 15:27:48,205 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:27:48,239 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:27:48,462 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0931.c[3610,3623] [2020-12-02 15:27:48,465 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:27:48,483 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:27:48,542 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0931.c[3610,3623] [2020-12-02 15:27:48,543 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:27:48,568 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:27:48,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:48 WrapperNode [2020-12-02 15:27:48,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:27:48,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:27:48,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:27:48,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:27:48,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:48" (1/1) ... [2020-12-02 15:27:48,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:48" (1/1) ... [2020-12-02 15:27:48,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:27:48,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:27:48,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:27:48,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:27:48,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:48" (1/1) ... [2020-12-02 15:27:48,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:48" (1/1) ... [2020-12-02 15:27:48,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:48" (1/1) ... [2020-12-02 15:27:48,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:48" (1/1) ... [2020-12-02 15:27:48,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:48" (1/1) ... [2020-12-02 15:27:48,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:48" (1/1) ... [2020-12-02 15:27:48,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:48" (1/1) ... [2020-12-02 15:27:48,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:27:48,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:27:48,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:27:48,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:27:48,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:27:48,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 15:27:48,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 15:27:48,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 15:27:48,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:27:48,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:27:48,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 15:27:48,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:27:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:27:48,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 15:27:48,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 15:28:16,192 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:28:16,192 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-02 15:28:16,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:28:16 BoogieIcfgContainer [2020-12-02 15:28:16,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:28:16,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:28:16,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:28:16,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:28:16,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:27:48" (1/3) ... [2020-12-02 15:28:16,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4d8808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:28:16, skipping insertion in model container [2020-12-02 15:28:16,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:48" (2/3) ... [2020-12-02 15:28:16,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4d8808 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:28:16, skipping insertion in model container [2020-12-02 15:28:16,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:28:16" (3/3) ... [2020-12-02 15:28:16,204 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0931.c [2020-12-02 15:28:16,219 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:28:16,224 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 15:28:16,236 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 15:28:16,265 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:28:16,266 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:28:16,266 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:28:16,266 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:28:16,267 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:28:16,267 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:28:16,267 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:28:16,267 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:28:16,284 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-12-02 15:28:16,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 15:28:16,292 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:28:16,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:28:16,293 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:28:16,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:28:16,301 INFO L82 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2020-12-02 15:28:16,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:28:16,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1139740873] [2020-12-02 15:28:16,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-02 15:28:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:28:18,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 15:28:18,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:28:18,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:28:18,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:28:18,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:28:18,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1139740873] [2020-12-02 15:28:18,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:28:18,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 15:28:18,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163461099] [2020-12-02 15:28:18,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 15:28:18,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:28:18,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 15:28:18,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:28:18,277 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 2 states. [2020-12-02 15:28:18,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:28:18,298 INFO L93 Difference]: Finished difference Result 62 states and 100 transitions. [2020-12-02 15:28:18,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 15:28:18,300 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-02 15:28:18,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:28:18,310 INFO L225 Difference]: With dead ends: 62 [2020-12-02 15:28:18,310 INFO L226 Difference]: Without dead ends: 29 [2020-12-02 15:28:18,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 15:28:18,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-02 15:28:18,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-02 15:28:18,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-02 15:28:18,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-12-02 15:28:18,351 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2020-12-02 15:28:18,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:28:18,352 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-12-02 15:28:18,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 15:28:18,352 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-12-02 15:28:18,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-02 15:28:18,353 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:28:18,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:28:18,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:28:18,568 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:28:18,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:28:18,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2020-12-02 15:28:18,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:28:18,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215058440] [2020-12-02 15:28:18,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-02 15:28:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:28:20,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-02 15:28:20,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:28:22,498 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet100_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet99_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet99_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet99_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet99_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet100_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet100_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet100_6|)))) (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse0) (= (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_log_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_log_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_log_~x)) (fp.div roundNearestTiesToEven .cse0 .cse1)) (= .cse1 (_ +zero 11 53))))) is different from false [2020-12-02 15:28:24,665 WARN L838 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~nondet100_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet99_6| (_ BitVec 64)) (ULTIMATE.start___ieee754_log_~x (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet99_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet99_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet99_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet100_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet100_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet100_6|)))) (and (= c_ULTIMATE.start___ieee754_log_~hx~1 ((_ extract 63 32) ULTIMATE.start___ieee754_log_~x)) (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse0) (= (fp ((_ extract 63 63) ULTIMATE.start___ieee754_log_~x) ((_ extract 62 52) ULTIMATE.start___ieee754_log_~x) ((_ extract 51 0) ULTIMATE.start___ieee754_log_~x)) (fp.div roundNearestTiesToEven .cse0 .cse1)) (= .cse1 (_ +zero 11 53))))) is different from false [2020-12-02 15:28:24,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:28:24,733 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:28:26,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:28:26,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1215058440] [2020-12-02 15:28:26,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:28:26,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2020-12-02 15:28:26,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411265209] [2020-12-02 15:28:26,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-02 15:28:26,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:28:26,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-02 15:28:26,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=15, Unknown=2, NotChecked=14, Total=42 [2020-12-02 15:28:26,650 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand 7 states. [2020-12-02 15:28:28,825 WARN L838 $PredicateComparison]: unable to prove that (and (= roundNearestTiesToEven c_~CRM) (exists ((|v_ULTIMATE.start_main_#t~nondet100_6| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~nondet99_6| (_ BitVec 64))) (let ((.cse0 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet99_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet99_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet99_6|))) (.cse1 (fp ((_ extract 63 63) |v_ULTIMATE.start_main_#t~nondet100_6|) ((_ extract 62 52) |v_ULTIMATE.start_main_#t~nondet100_6|) ((_ extract 51 0) |v_ULTIMATE.start_main_#t~nondet100_6|)))) (and (= ((_ to_fp 11 53) roundNearestTiesToEven 1.0) .cse0) (= (fp ((_ extract 63 63) c_ULTIMATE.start___ieee754_log_~x) ((_ extract 62 52) c_ULTIMATE.start___ieee754_log_~x) ((_ extract 51 0) c_ULTIMATE.start___ieee754_log_~x)) (fp.div roundNearestTiesToEven .cse0 .cse1)) (= .cse1 (_ +zero 11 53))))) (not (bvslt ((_ extract 63 32) c_ULTIMATE.start___ieee754_log_~x) (_ bv1048576 32)))) is different from false [2020-12-02 15:28:41,111 WARN L197 SmtUtils]: Spent 6.88 s on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-12-02 15:29:08,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:29:08,456 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2020-12-02 15:29:08,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-02 15:29:08,535 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-12-02 15:29:08,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:29:08,536 INFO L225 Difference]: With dead ends: 56 [2020-12-02 15:29:08,537 INFO L226 Difference]: Without dead ends: 33 [2020-12-02 15:29:08,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.5s TimeCoverageRelationStatistics Valid=16, Invalid=23, Unknown=3, NotChecked=30, Total=72 [2020-12-02 15:29:08,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-12-02 15:29:08,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 25. [2020-12-02 15:29:08,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-12-02 15:29:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2020-12-02 15:29:08,545 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 14 [2020-12-02 15:29:08,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:29:08,546 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2020-12-02 15:29:08,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-02 15:29:08,546 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2020-12-02 15:29:08,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-02 15:29:08,547 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:29:08,547 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 15:29:08,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 15:29:08,749 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:29:08,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:29:08,751 INFO L82 PathProgramCache]: Analyzing trace with hash 2016616349, now seen corresponding path program 1 times [2020-12-02 15:29:08,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:29:08,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1714611320] [2020-12-02 15:29:08,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-02 15:29:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:29:10,065 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:29:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 15:29:11,455 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 15:29:11,704 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-02 15:29:11,705 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 15:29:11,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 15:29:11,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:29:11 BoogieIcfgContainer [2020-12-02 15:29:11,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:29:11,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:29:11,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:29:11,992 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:29:11,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:28:16" (3/4) ... [2020-12-02 15:29:11,996 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-02 15:29:12,126 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 15:29:12,131 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:29:12,134 INFO L168 Benchmark]: Toolchain (without parser) took 84001.49 ms. Allocated memory was 44.0 MB in the beginning and 58.7 MB in the end (delta: 14.7 MB). Free memory was 20.4 MB in the beginning and 27.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:12,136 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 44.0 MB. Free memory was 29.9 MB in the beginning and 29.9 MB in the end (delta: 34.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:29:12,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.83 ms. Allocated memory was 44.0 MB in the beginning and 58.7 MB in the end (delta: 14.7 MB). Free memory was 20.2 MB in the beginning and 36.5 MB in the end (delta: -16.3 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:12,140 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.18 ms. Allocated memory is still 58.7 MB. Free memory was 36.5 MB in the beginning and 33.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:12,141 INFO L168 Benchmark]: Boogie Preprocessor took 60.73 ms. Allocated memory is still 58.7 MB. Free memory was 33.3 MB in the beginning and 30.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:12,142 INFO L168 Benchmark]: RCFGBuilder took 27470.05 ms. Allocated memory is still 58.7 MB. Free memory was 30.7 MB in the beginning and 36.3 MB in the end (delta: -5.6 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:12,147 INFO L168 Benchmark]: TraceAbstraction took 55794.47 ms. Allocated memory is still 58.7 MB. Free memory was 36.0 MB in the beginning and 31.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:12,148 INFO L168 Benchmark]: Witness Printer took 141.02 ms. Allocated memory is still 58.7 MB. Free memory was 30.6 MB in the beginning and 27.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:29:12,156 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 44.0 MB. Free memory was 29.9 MB in the beginning and 29.9 MB in the end (delta: 34.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 431.83 ms. Allocated memory was 44.0 MB in the beginning and 58.7 MB in the end (delta: 14.7 MB). Free memory was 20.2 MB in the beginning and 36.5 MB in the end (delta: -16.3 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.18 ms. Allocated memory is still 58.7 MB. Free memory was 36.5 MB in the beginning and 33.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.73 ms. Allocated memory is still 58.7 MB. Free memory was 33.3 MB in the beginning and 30.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 27470.05 ms. Allocated memory is still 58.7 MB. Free memory was 30.7 MB in the beginning and 36.3 MB in the end (delta: -5.6 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 55794.47 ms. Allocated memory is still 58.7 MB. Free memory was 36.0 MB in the beginning and 31.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * Witness Printer took 141.02 ms. Allocated memory is still 58.7 MB. Free memory was 30.6 MB in the beginning and 27.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 139]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L34] EXPR 6.93147180369123816490e-01 [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L34] EXPR 6.93147180369123816490e-01 [L35] EXPR 1.90821492927058770002e-10 [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L35] EXPR 1.90821492927058770002e-10 [L36] EXPR 1.80143985094819840000e+16 [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L36] EXPR 1.80143985094819840000e+16 [L37] EXPR 6.666666666666735130e-01 [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L37] EXPR 6.666666666666735130e-01 [L38] EXPR 3.999999999940941908e-01 [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L38] EXPR 3.999999999940941908e-01 [L39] EXPR 2.857142874366239149e-01 [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L39] EXPR 2.857142874366239149e-01 [L40] EXPR 2.222219843214978396e-01 [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L40] EXPR 2.222219843214978396e-01 [L41] EXPR 1.818357216161805012e-01 [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L41] EXPR 1.818357216161805012e-01 [L42] EXPR 1.531383769920937332e-01 [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L42] EXPR 1.531383769920937332e-01 [L43] EXPR 1.479819860511658591e-01 [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] 1.479819860511658591e-01 [L45] EXPR 0.0 [L45] static const double zero = 0.0; [L45] 0.0 VAL [Lg1_log=4604180019048437139, Lg2_log=4600877379321592324, Lg3_log=4598818590951641945, Lg4_log=4597174411056806063, Lg5_log=4595719342595441630, Lg6_log=4594685411790997151, Lg7_log=4594499633228436036, ln2_hi_log=4604418534311723008, ln2_lo_log=4461442080421002358, two54_log=4850376798678024192, zero=0] [L134] EXPR 1.0 [L134] EXPR 0.0 [L134] EXPR 1.0 / 0.0 [L134] double x = 1.0 / 0.0; [L48] double hfsq, f, s, z, R, w, t1, t2, dk; [L49] __int32_t k, hx, i, j; [L50] __uint32_t lx; VAL [Lg1_log=4604180019048437139, Lg2_log=4600877379321592324, Lg3_log=4598818590951641945, Lg4_log=4597174411056806063, Lg5_log=4595719342595441630, Lg6_log=4594685411790997151, Lg7_log=4594499633228436036, ln2_hi_log=4604418534311723008, ln2_lo_log=4461442080421002358, two54_log=4850376798678024192, zero=0] [L53] ieee_double_shape_type ew_u; [L54] ew_u.value = (x) [L55] EXPR ew_u.parts.msw [L55] (hx) = ew_u.parts.msw [L56] EXPR ew_u.parts.lsw [L56] (lx) = ew_u.parts.lsw [L59] k = 0 VAL [Lg1_log=4604180019048437139, Lg2_log=4600877379321592324, Lg3_log=4598818590951641945, Lg4_log=4597174411056806063, Lg5_log=4595719342595441630, Lg6_log=4594685411790997151, Lg7_log=4594499633228436036, ln2_hi_log=4604418534311723008, ln2_lo_log=4461442080421002358, two54_log=4850376798678024192, zero=0] [L60] COND FALSE !(hx < 0x00100000) VAL [Lg1_log=4604180019048437139, Lg2_log=4600877379321592324, Lg3_log=4598818590951641945, Lg4_log=4597174411056806063, Lg5_log=4595719342595441630, Lg6_log=4594685411790997151, Lg7_log=4594499633228436036, ln2_hi_log=4604418534311723008, ln2_lo_log=4461442080421002358, two54_log=4850376798678024192, zero=0] [L73] COND TRUE hx >= 0x7ff00000 [L74] EXPR x + x [L74] return x + x; [L135] double res = __ieee754_log(x); [L21] __int32_t hx, lx; VAL [Lg1_log=4604180019048437139, Lg2_log=4600877379321592324, Lg3_log=4598818590951641945, Lg4_log=4597174411056806063, Lg5_log=4595719342595441630, Lg6_log=4594685411790997151, Lg7_log=4594499633228436036, ln2_hi_log=4604418534311723008, ln2_lo_log=4461442080421002358, two54_log=4850376798678024192, zero=0] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (hx) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lx) = ew_u.parts.lsw [L28] hx &= 0x7fffffff [L29] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L30] hx = 0x7ff00000 - hx [L31] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [Lg1_log=4604180019048437139, Lg2_log=4600877379321592324, Lg3_log=4598818590951641945, Lg4_log=4597174411056806063, Lg5_log=4595719342595441630, Lg6_log=4594685411790997151, Lg7_log=4594499633228436036, ln2_hi_log=4604418534311723008, ln2_lo_log=4461442080421002358, two54_log=4850376798678024192, zero=0] [L138] COND TRUE !isinf_double(res) [L139] reach_error() VAL [Lg1_log=4604180019048437139, Lg2_log=4600877379321592324, Lg3_log=4598818590951641945, Lg4_log=4597174411056806063, Lg5_log=4595719342595441630, Lg6_log=4594685411790997151, Lg7_log=4594499633228436036, ln2_hi_log=4604418534311723008, ln2_lo_log=4461442080421002358, two54_log=4850376798678024192, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 55.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 41.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 69 SDtfs, 10 SDslu, 107 SDs, 0 SdLazy, 18 SolverSat, 0 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 25.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 48 ConstructedInterpolants, 4 QuantifiedInterpolants, 3271 SizeOfPredicates, 5 NumberOfNonLiveVariables, 122 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...