./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0910b.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_0910b.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 c07e352bcbba2d31c9106eacdc6e86cfa9e8af72 ..................................................................................................................................................................... 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_0910b.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 c07e352bcbba2d31c9106eacdc6e86cfa9e8af72 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 19:53:14,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 19:53:14,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 19:53:14,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 19:53:14,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 19:53:14,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 19:53:14,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 19:53:14,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 19:53:14,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 19:53:14,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 19:53:14,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 19:53:14,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 19:53:14,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 19:53:14,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 19:53:14,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 19:53:14,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 19:53:14,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 19:53:14,123 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 19:53:14,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 19:53:14,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 19:53:14,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 19:53:14,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 19:53:14,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 19:53:14,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 19:53:14,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 19:53:14,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 19:53:14,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 19:53:14,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 19:53:14,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 19:53:14,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 19:53:14,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 19:53:14,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 19:53:14,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 19:53:14,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 19:53:14,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 19:53:14,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 19:53:14,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 19:53:14,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 19:53:14,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 19:53:14,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 19:53:14,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 19:53:14,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 19:53:14,216 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 19:53:14,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 19:53:14,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 19:53:14,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 19:53:14,220 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 19:53:14,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 19:53:14,221 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 19:53:14,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 19:53:14,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 19:53:14,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 19:53:14,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 19:53:14,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 19:53:14,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 19:53:14,224 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 19:53:14,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 19:53:14,224 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 19:53:14,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 19:53:14,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 19:53:14,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 19:53:14,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 19:53:14,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 19:53:14,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 19:53:14,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 19:53:14,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 19:53:14,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 19:53:14,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 19:53:14,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 19:53:14,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 19:53:14,228 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 19:53:14,228 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c07e352bcbba2d31c9106eacdc6e86cfa9e8af72 [2020-12-02 19:53:14,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 19:53:14,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 19:53:14,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 19:53:14,742 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 19:53:14,743 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 19:53:14,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0910b.c [2020-12-02 19:53:14,822 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c596939e/654bac3c556642d1818d41ce92dc7823/FLAG4080e62ef [2020-12-02 19:53:15,444 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 19:53:15,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0910b.c [2020-12-02 19:53:15,465 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c596939e/654bac3c556642d1818d41ce92dc7823/FLAG4080e62ef [2020-12-02 19:53:15,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c596939e/654bac3c556642d1818d41ce92dc7823 [2020-12-02 19:53:15,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 19:53:15,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 19:53:15,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 19:53:15,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 19:53:15,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 19:53:15,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:53:15" (1/1) ... [2020-12-02 19:53:15,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@118e647c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:15, skipping insertion in model container [2020-12-02 19:53:15,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:53:15" (1/1) ... [2020-12-02 19:53:15,835 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 19:53:15,875 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 19:53:16,072 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 19:53:16,080 INFO L168 Benchmark]: Toolchain (without parser) took 266.00 ms. Allocated memory is still 52.4 MB. Free memory was 28.8 MB in the beginning and 31.7 MB in the end (delta: -2.9 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-12-02 19:53:16,082 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 41.9 MB. Free memory was 19.9 MB in the beginning and 19.8 MB in the end (delta: 28.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 19:53:16,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.73 ms. Allocated memory is still 52.4 MB. Free memory was 28.6 MB in the beginning and 31.7 MB in the end (delta: -3.1 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2020-12-02 19:53:16,085 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 41.9 MB. Free memory was 19.9 MB in the beginning and 19.8 MB in the end (delta: 28.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 262.73 ms. Allocated memory is still 52.4 MB. Free memory was 28.6 MB in the beginning and 31.7 MB in the end (delta: -3.1 MB). Peak memory consumption was 3.5 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 19:53:18,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 19:53:18,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 19:53:18,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 19:53:18,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 19:53:18,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 19:53:18,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 19:53:18,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 19:53:18,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 19:53:18,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 19:53:18,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 19:53:18,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 19:53:18,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 19:53:18,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 19:53:18,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 19:53:18,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 19:53:18,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 19:53:18,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 19:53:18,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 19:53:18,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 19:53:18,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 19:53:18,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 19:53:18,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 19:53:18,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 19:53:18,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 19:53:18,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 19:53:18,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 19:53:18,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 19:53:18,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 19:53:18,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 19:53:18,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 19:53:18,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 19:53:18,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 19:53:18,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 19:53:18,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 19:53:18,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 19:53:18,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 19:53:18,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 19:53:18,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 19:53:18,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 19:53:18,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 19:53:18,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 19:53:18,480 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 19:53:18,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 19:53:18,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 19:53:18,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 19:53:18,482 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 19:53:18,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 19:53:18,482 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 19:53:18,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 19:53:18,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 19:53:18,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 19:53:18,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 19:53:18,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 19:53:18,483 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 19:53:18,483 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 19:53:18,484 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 19:53:18,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 19:53:18,484 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 19:53:18,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 19:53:18,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 19:53:18,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 19:53:18,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 19:53:18,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 19:53:18,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 19:53:18,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 19:53:18,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 19:53:18,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 19:53:18,486 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 19:53:18,486 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 19:53:18,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 19:53:18,486 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 19:53:18,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 19:53:18,487 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c07e352bcbba2d31c9106eacdc6e86cfa9e8af72 [2020-12-02 19:53:18,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 19:53:18,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 19:53:18,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 19:53:18,899 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 19:53:18,900 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 19:53:18,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0910b.c [2020-12-02 19:53:18,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd4e45b31/0047a98dd22f4ba3972ec55d94c9b069/FLAG6a624e6f4 [2020-12-02 19:53:19,641 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 19:53:19,642 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0910b.c [2020-12-02 19:53:19,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd4e45b31/0047a98dd22f4ba3972ec55d94c9b069/FLAG6a624e6f4 [2020-12-02 19:53:20,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd4e45b31/0047a98dd22f4ba3972ec55d94c9b069 [2020-12-02 19:53:20,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 19:53:20,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 19:53:20,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 19:53:20,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 19:53:20,055 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 19:53:20,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:53:20" (1/1) ... [2020-12-02 19:53:20,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f03e056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:20, skipping insertion in model container [2020-12-02 19:53:20,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:53:20" (1/1) ... [2020-12-02 19:53:20,071 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 19:53:20,115 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 19:53:20,415 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_0910b.c[3599,3612] [2020-12-02 19:53:20,418 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 19:53:20,436 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 19:53:20,513 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_0910b.c[3599,3612] [2020-12-02 19:53:20,514 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 19:53:20,538 INFO L217 MainTranslator]: Completed translation [2020-12-02 19:53:20,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:20 WrapperNode [2020-12-02 19:53:20,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 19:53:20,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 19:53:20,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 19:53:20,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 19:53:20,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:20" (1/1) ... [2020-12-02 19:53:20,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:20" (1/1) ... [2020-12-02 19:53:20,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 19:53:20,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 19:53:20,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 19:53:20,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 19:53:20,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:20" (1/1) ... [2020-12-02 19:53:20,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:20" (1/1) ... [2020-12-02 19:53:20,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:20" (1/1) ... [2020-12-02 19:53:20,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:20" (1/1) ... [2020-12-02 19:53:20,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:20" (1/1) ... [2020-12-02 19:53:20,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:20" (1/1) ... [2020-12-02 19:53:20,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:20" (1/1) ... [2020-12-02 19:53:20,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 19:53:20,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 19:53:20,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 19:53:20,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 19:53:20,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:20" (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 19:53:20,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_DOUBLE [2020-12-02 19:53:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-02 19:53:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-02 19:53:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 19:53:20,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 19:53:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-02 19:53:20,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 19:53:20,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 19:53:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-02 19:53:20,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-02 19:53:47,904 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 19:53:47,905 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-12-02 19:53:47,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:53:47 BoogieIcfgContainer [2020-12-02 19:53:47,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 19:53:47,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 19:53:47,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 19:53:47,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 19:53:47,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:53:20" (1/3) ... [2020-12-02 19:53:47,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e3940e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:53:47, skipping insertion in model container [2020-12-02 19:53:47,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:53:20" (2/3) ... [2020-12-02 19:53:47,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e3940e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:53:47, skipping insertion in model container [2020-12-02 19:53:47,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:53:47" (3/3) ... [2020-12-02 19:53:47,917 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910b.c [2020-12-02 19:53:47,932 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 19:53:47,936 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-02 19:53:47,948 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-02 19:53:47,975 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 19:53:47,976 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 19:53:47,976 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 19:53:47,976 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 19:53:47,976 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 19:53:47,976 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 19:53:47,977 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 19:53:47,977 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 19:53:47,991 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-12-02 19:53:47,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-02 19:53:47,997 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 19:53:47,998 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 19:53:47,998 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 19:53:48,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 19:53:48,005 INFO L82 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2020-12-02 19:53:48,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 19:53:48,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316893285] [2020-12-02 19:53:48,019 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 19:53:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 19:53:49,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 19:53:49,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 19:53:49,048 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 19:53:49,048 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 19:53:49,072 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 19:53:49,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [316893285] [2020-12-02 19:53:49,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 19:53:49,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 19:53:49,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66603310] [2020-12-02 19:53:49,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 19:53:49,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 19:53:49,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 19:53:49,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 19:53:49,103 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 2 states. [2020-12-02 19:53:49,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 19:53:49,124 INFO L93 Difference]: Finished difference Result 62 states and 100 transitions. [2020-12-02 19:53:49,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 19:53:49,126 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-12-02 19:53:49,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 19:53:49,136 INFO L225 Difference]: With dead ends: 62 [2020-12-02 19:53:49,136 INFO L226 Difference]: Without dead ends: 29 [2020-12-02 19:53:49,139 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 19:53:49,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-02 19:53:49,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-02 19:53:49,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-02 19:53:49,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-12-02 19:53:49,177 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2020-12-02 19:53:49,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 19:53:49,178 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-12-02 19:53:49,178 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 19:53:49,178 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-12-02 19:53:49,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-02 19:53:49,179 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 19:53:49,179 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 19:53:49,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 19:53:49,395 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 19:53:49,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 19:53:49,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2020-12-02 19:53:49,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 19:53:49,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940957109] [2020-12-02 19:53:49,397 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 19:53:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 19:53:50,497 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 19:53:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-02 19:53:51,653 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-02 19:53:51,809 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-02 19:53:51,810 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-02 19:53:52,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 19:53:52,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:53:52 BoogieIcfgContainer [2020-12-02 19:53:52,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 19:53:52,070 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 19:53:52,070 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 19:53:52,070 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 19:53:52,071 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:53:47" (3/4) ... [2020-12-02 19:53:52,073 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-02 19:53:52,136 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 19:53:52,137 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 19:53:52,139 INFO L168 Benchmark]: Toolchain (without parser) took 32102.92 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.6 MB in the beginning and 25.0 MB in the end (delta: -3.4 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-12-02 19:53:52,140 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 44.0 MB. Free memory was 24.9 MB in the beginning and 24.8 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 19:53:52,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.47 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.4 MB in the beginning and 36.7 MB in the end (delta: -15.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2020-12-02 19:53:52,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.24 ms. Allocated memory is still 54.5 MB. Free memory was 36.7 MB in the beginning and 33.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 19:53:52,143 INFO L168 Benchmark]: Boogie Preprocessor took 99.47 ms. Allocated memory is still 54.5 MB. Free memory was 33.5 MB in the beginning and 30.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 19:53:52,143 INFO L168 Benchmark]: RCFGBuilder took 27179.87 ms. Allocated memory is still 54.5 MB. Free memory was 30.8 MB in the beginning and 36.2 MB in the end (delta: -5.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2020-12-02 19:53:52,144 INFO L168 Benchmark]: TraceAbstraction took 4159.92 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 28.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2020-12-02 19:53:52,145 INFO L168 Benchmark]: Witness Printer took 67.21 ms. Allocated memory is still 54.5 MB. Free memory was 28.1 MB in the beginning and 25.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 19:53:52,149 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 44.0 MB. Free memory was 24.9 MB in the beginning and 24.8 MB in the end (delta: 32.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 498.47 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.4 MB in the beginning and 36.7 MB in the end (delta: -15.3 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.24 ms. Allocated memory is still 54.5 MB. Free memory was 36.7 MB in the beginning and 33.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.47 ms. Allocated memory is still 54.5 MB. Free memory was 33.5 MB in the beginning and 30.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 27179.87 ms. Allocated memory is still 54.5 MB. Free memory was 30.8 MB in the beginning and 36.2 MB in the end (delta: -5.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4159.92 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 28.4 MB in the end (delta: 7.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. * Witness Printer took 67.21 ms. Allocated memory is still 54.5 MB. Free memory was 28.1 MB in the beginning and 25.0 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 0.0 [L134] EXPR -0.0 [L134] double x = -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 TRUE 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] [L61] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L62] EXPR -two54_log [L62] EXPR -two54_log / zero [L62] return -two54_log / zero; [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: 4.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 42 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...