./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0872b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 096883e9 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 ../sv-benchmarks/c/float-newlib/double_req_bl_0872b.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 1f2d219c71c7f393a869fc243bc3c23dc91dc208 .................................................................................................................................................................... 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 ../sv-benchmarks/c/float-newlib/double_req_bl_0872b.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 1f2d219c71c7f393a869fc243bc3c23dc91dc208 ......................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-096883e [2020-12-01 23:14:35,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:14:35,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:14:35,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:14:35,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:14:35,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:14:35,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:14:35,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:14:35,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:14:35,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:14:35,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:14:35,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:14:35,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:14:35,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:14:35,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:14:35,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:14:35,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:14:35,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:14:35,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:14:35,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:14:35,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:14:35,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:14:35,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:14:35,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:14:35,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:14:35,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:14:35,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:14:35,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:14:35,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:14:35,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:14:35,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:14:35,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:14:35,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:14:35,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:14:35,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:14:35,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:14:35,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:14:35,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:14:35,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:14:35,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:14:35,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:14:35,394 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 23:14:35,463 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:14:35,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:14:35,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:14:35,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:14:35,469 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:14:35,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:14:35,469 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:14:35,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 23:14:35,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:14:35,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:14:35,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:14:35,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:14:35,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:14:35,473 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:14:35,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:14:35,474 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:14:35,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:14:35,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:14:35,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:14:35,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:14:35,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:14:35,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:14:35,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:14:35,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:14:35,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:14:35,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 23:14:35,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 23:14:35,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:14:35,478 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:14:35,478 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f2d219c71c7f393a869fc243bc3c23dc91dc208 [2020-12-01 23:14:35,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:14:35,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:14:35,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:14:35,912 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:14:35,915 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:14:35,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0872b.c [2020-12-01 23:14:35,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eac2bc848/b5dce0140b2e4060bbf73287e598c2da/FLAG4ad5a534f [2020-12-01 23:14:36,609 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:14:36,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0872b.c [2020-12-01 23:14:36,629 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eac2bc848/b5dce0140b2e4060bbf73287e598c2da/FLAG4ad5a534f [2020-12-01 23:14:36,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eac2bc848/b5dce0140b2e4060bbf73287e598c2da [2020-12-01 23:14:36,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:14:36,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:14:36,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:14:36,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:14:36,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:14:36,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:14:36" (1/1) ... [2020-12-01 23:14:36,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693b237e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:36, skipping insertion in model container [2020-12-01 23:14:36,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:14:36" (1/1) ... [2020-12-01 23:14:36,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:14:37,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:14:37,319 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1702) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$41(StandardFunctionHandler.java:358) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1402) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) 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:1972) 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:1601) 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:1046) 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:1578) 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:1046) 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:1424) 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:3210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2293) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) 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:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) 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) [2020-12-01 23:14:37,331 INFO L168 Benchmark]: Toolchain (without parser) took 427.35 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 18.2 MB in the beginning and 31.7 MB in the end (delta: -13.5 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:37,333 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 39.8 MB. Free memory was 25.9 MB in the beginning and 25.9 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:14:37,334 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.03 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 18.0 MB in the beginning and 31.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:37,337 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 39.8 MB. Free memory was 25.9 MB in the beginning and 25.9 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 418.03 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 18.0 MB in the beginning and 31.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-096883e [2020-12-01 23:14:39,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:14:39,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:14:39,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:14:39,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:14:39,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:14:39,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:14:39,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:14:39,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:14:39,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:14:39,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:14:39,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:14:39,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:14:39,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:14:39,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:14:39,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:14:39,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:14:39,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:14:39,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:14:39,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:14:39,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:14:39,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:14:39,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:14:39,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:14:39,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:14:39,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:14:39,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:14:39,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:14:39,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:14:39,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:14:39,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:14:39,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:14:39,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:14:39,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:14:39,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:14:39,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:14:39,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:14:39,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:14:39,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:14:39,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:14:39,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:14:39,833 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 23:14:39,860 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:14:39,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:14:39,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:14:39,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:14:39,863 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:14:39,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:14:39,864 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:14:39,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:14:39,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:14:39,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:14:39,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:14:39,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:14:39,865 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 23:14:39,865 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 23:14:39,866 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:14:39,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:14:39,866 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:14:39,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:14:39,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:14:39,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:14:39,867 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:14:39,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:14:39,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:14:39,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:14:39,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:14:39,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:14:39,869 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 23:14:39,869 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 23:14:39,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:14:39,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:14:39,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 23:14:39,870 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f2d219c71c7f393a869fc243bc3c23dc91dc208 [2020-12-01 23:14:40,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:14:40,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:14:40,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:14:40,380 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:14:40,381 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:14:40,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0872b.c [2020-12-01 23:14:40,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25688c3f8/a92e4a54826642da87fc0c2c6ac15ace/FLAG6de01839d [2020-12-01 23:14:41,095 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:14:41,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0872b.c [2020-12-01 23:14:41,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25688c3f8/a92e4a54826642da87fc0c2c6ac15ace/FLAG6de01839d [2020-12-01 23:14:41,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25688c3f8/a92e4a54826642da87fc0c2c6ac15ace [2020-12-01 23:14:41,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:14:41,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:14:41,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:14:41,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:14:41,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:14:41,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:14:41" (1/1) ... [2020-12-01 23:14:41,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4852c417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:41, skipping insertion in model container [2020-12-01 23:14:41,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:14:41" (1/1) ... [2020-12-01 23:14:41,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:14:41,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:14:41,842 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0872b.c[13980,13993] [2020-12-01 23:14:41,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:14:41,885 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:14:42,118 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0872b.c[13980,13993] [2020-12-01 23:14:42,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:14:42,149 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:14:42,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:42 WrapperNode [2020-12-01 23:14:42,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:14:42,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:14:42,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:14:42,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:14:42,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:42" (1/1) ... [2020-12-01 23:14:42,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:42" (1/1) ... [2020-12-01 23:14:42,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:14:42,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:14:42,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:14:42,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:14:42,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:42" (1/1) ... [2020-12-01 23:14:42,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:42" (1/1) ... [2020-12-01 23:14:42,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:42" (1/1) ... [2020-12-01 23:14:42,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:42" (1/1) ... [2020-12-01 23:14:42,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:42" (1/1) ... [2020-12-01 23:14:42,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:42" (1/1) ... [2020-12-01 23:14:42,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:42" (1/1) ... [2020-12-01 23:14:42,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:14:42,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:14:42,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:14:42,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:14:42,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:42" (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 [2020-12-01 23:14:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 23:14:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 23:14:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 23:14:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:14:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 23:14:42,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 23:14:42,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:14:42,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:14:42,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 23:14:42,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:16:03,081 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:16:03,081 INFO L298 CfgBuilder]: Removed 88 assume(true) statements. [2020-12-01 23:16:03,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:16:03 BoogieIcfgContainer [2020-12-01 23:16:03,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:16:03,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:16:03,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:16:03,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:16:03,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:14:41" (1/3) ... [2020-12-01 23:16:03,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a477b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:16:03, skipping insertion in model container [2020-12-01 23:16:03,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:14:42" (2/3) ... [2020-12-01 23:16:03,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a477b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:16:03, skipping insertion in model container [2020-12-01 23:16:03,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:16:03" (3/3) ... [2020-12-01 23:16:03,094 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0872b.c [2020-12-01 23:16:03,112 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:16:03,117 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:16:03,131 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:16:03,164 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:16:03,164 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:16:03,165 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:16:03,165 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:16:03,165 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:16:03,165 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:16:03,165 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:16:03,166 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:16:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states. [2020-12-01 23:16:03,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 23:16:03,195 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:16:03,196 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:16:03,197 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:16:03,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:16:03,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1640331358, now seen corresponding path program 1 times [2020-12-01 23:16:03,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:16:03,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [903755520] [2020-12-01 23:16:03,222 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 [2020-12-01 23:16:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:16:03,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 23:16:03,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:16:03,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:16:03,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:16:03,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:16:03,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [903755520] [2020-12-01 23:16:03,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:16:03,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 23:16:03,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062270285] [2020-12-01 23:16:03,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:16:03,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:16:03,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:16:03,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:16:03,913 INFO L87 Difference]: Start difference. First operand 210 states. Second operand 2 states. [2020-12-01 23:16:04,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:16:04,041 INFO L93 Difference]: Finished difference Result 418 states and 716 transitions. [2020-12-01 23:16:04,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:16:04,044 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-01 23:16:04,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:16:04,058 INFO L225 Difference]: With dead ends: 418 [2020-12-01 23:16:04,058 INFO L226 Difference]: Without dead ends: 207 [2020-12-01 23:16:04,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:16:04,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2020-12-01 23:16:04,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2020-12-01 23:16:04,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-12-01 23:16:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 285 transitions. [2020-12-01 23:16:04,135 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 285 transitions. Word has length 9 [2020-12-01 23:16:04,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:16:04,136 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 285 transitions. [2020-12-01 23:16:04,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:16:04,136 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 285 transitions. [2020-12-01 23:16:04,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 23:16:04,150 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:16:04,150 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:16:04,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 23:16:04,351 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:16:04,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:16:04,353 INFO L82 PathProgramCache]: Analyzing trace with hash 559153733, now seen corresponding path program 1 times [2020-12-01 23:16:04,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:16:04,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016236097] [2020-12-01 23:16:04,355 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 [2020-12-01 23:16:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:16:04,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 23:16:04,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:16:05,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:16:05,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:16:05,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:16:05,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016236097] [2020-12-01 23:16:05,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:16:05,637 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2020-12-01 23:16:05,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207221880] [2020-12-01 23:16:05,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-01 23:16:05,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:16:05,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-01 23:16:05,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 23:16:05,642 INFO L87 Difference]: Start difference. First operand 207 states and 285 transitions. Second operand 5 states. [2020-12-01 23:16:06,283 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-01 23:16:06,613 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-01 23:18:54,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:18:54,755 INFO L93 Difference]: Finished difference Result 229 states and 310 transitions. [2020-12-01 23:18:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-01 23:18:54,796 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-12-01 23:18:54,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:18:54,798 INFO L225 Difference]: With dead ends: 229 [2020-12-01 23:18:54,798 INFO L226 Difference]: Without dead ends: 225 [2020-12-01 23:18:54,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-01 23:18:54,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-12-01 23:18:54,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 207. [2020-12-01 23:18:54,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-12-01 23:18:54,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 282 transitions. [2020-12-01 23:18:54,824 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 282 transitions. Word has length 11 [2020-12-01 23:18:54,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:18:54,825 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 282 transitions. [2020-12-01 23:18:54,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-01 23:18:54,826 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 282 transitions. [2020-12-01 23:18:54,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 23:18:54,828 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:18:54,828 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:18:55,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 23:18:55,029 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:18:55,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:18:55,031 INFO L82 PathProgramCache]: Analyzing trace with hash -305745762, now seen corresponding path program 1 times [2020-12-01 23:18:55,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:18:55,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1114048960] [2020-12-01 23:18:55,032 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 [2020-12-01 23:18:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:18:55,639 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:18:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:18:56,219 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:18:56,369 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 23:18:56,370 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:18:56,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-01 23:18:56,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:18:56 BoogieIcfgContainer [2020-12-01 23:18:56,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:18:56,738 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:18:56,739 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:18:56,739 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:18:56,740 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:16:03" (3/4) ... [2020-12-01 23:18:56,742 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 23:18:56,935 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-01 23:18:56,936 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:18:56,938 INFO L168 Benchmark]: Toolchain (without parser) took 255577.91 ms. Allocated memory was 41.9 MB in the beginning and 79.7 MB in the end (delta: 37.7 MB). Free memory was 25.1 MB in the beginning and 31.9 MB in the end (delta: -6.8 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2020-12-01 23:18:56,939 INFO L168 Benchmark]: CDTParser took 2.13 ms. Allocated memory is still 41.9 MB. Free memory is still 28.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:18:56,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 785.73 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 24.9 MB in the beginning and 34.2 MB in the end (delta: -9.3 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-12-01 23:18:56,941 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.23 ms. Allocated memory is still 54.5 MB. Free memory was 34.2 MB in the beginning and 32.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:18:56,942 INFO L168 Benchmark]: Boogie Preprocessor took 169.53 ms. Allocated memory is still 54.5 MB. Free memory was 32.1 MB in the beginning and 26.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:18:56,942 INFO L168 Benchmark]: RCFGBuilder took 80603.87 ms. Allocated memory was 54.5 MB in the beginning and 79.7 MB in the end (delta: 25.2 MB). Free memory was 26.4 MB in the beginning and 46.0 MB in the end (delta: -19.7 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2020-12-01 23:18:56,943 INFO L168 Benchmark]: TraceAbstraction took 173652.31 ms. Allocated memory is still 79.7 MB. Free memory was 45.6 MB in the beginning and 40.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. [2020-12-01 23:18:56,944 INFO L168 Benchmark]: Witness Printer took 197.57 ms. Allocated memory is still 79.7 MB. Free memory was 40.9 MB in the beginning and 31.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 23:18:56,951 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.13 ms. Allocated memory is still 41.9 MB. Free memory is still 28.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 785.73 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 24.9 MB in the beginning and 34.2 MB in the end (delta: -9.3 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 157.23 ms. Allocated memory is still 54.5 MB. Free memory was 34.2 MB in the beginning and 32.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 169.53 ms. Allocated memory is still 54.5 MB. Free memory was 32.1 MB in the beginning and 26.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 80603.87 ms. Allocated memory was 54.5 MB in the beginning and 79.7 MB in the end (delta: 25.2 MB). Free memory was 26.4 MB in the beginning and 46.0 MB in the end (delta: -19.7 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 173652.31 ms. Allocated memory is still 79.7 MB. Free memory was 45.6 MB in the beginning and 40.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 28.0 MB. Max. memory is 16.1 GB. * Witness Printer took 197.57 ms. Allocated memory is still 79.7 MB. Free memory was 40.9 MB in the beginning and 31.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 577]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L40-L42] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L95] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L222-L261] static const double bp_pow[] = { 1.0, 1.5, }, dp_h_pow[] = { 0.0, 5.84962487220764160156e-01, }, dp_l_pow[] = { 0.0, 1.35003920212974897128e-08, }, zero_pow = 0.0, one_pow = 1.0, two_pow = 2.0, two53_pow = 9007199254740992.0, huge_pow = 1.0e300, tiny_pow = 1.0e-300, L1_pow = 5.99999999999994648725e-01, L2_pow = 4.28571428578550184252e-01, L3_pow = 3.33333329818377432918e-01, L4_pow = 2.72728123808534006489e-01, L5_pow = 2.30660745775561754067e-01, L6_pow = 2.06975017800338417784e-01, P1_pow = 1.66666666666666019037e-01, P2_pow = -2.77777777770155933842e-03, P3_pow = 6.61375632143793436117e-05, P4_pow = -1.65339022054652515390e-06, P5_pow = 4.13813679705723846039e-08, lg2_pow = 6.93147180559945286227e-01, lg2_h_pow = 6.93147182464599609375e-01, lg2_l_pow = -1.90465429995776804525e-09, ovt_pow = 8.0085662595372944372e-0017, cp_pow = 9.61796693925975554329e-01, cp_h_pow = 9.61796700954437255859e-01, cp_l_pow = -7.02846165095275826516e-09, ivln2_pow = 1.44269504088896338700e+00, ivln2_h_pow = 1.44269502162933349609e+00, ivln2_l_pow = 1.92596299112661746887e-08; VAL [bp_pow={1073741826:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={6:0}, dp_l_pow={1073741827:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L571] double x = __VERIFIER_nondet_double(); [L572] double y = -0.0; [L264] double z, ax, z_h, z_l, p_h, p_l; [L265] double y1, t1, t2, r, s, t, u, v, w; [L266] __int32_t i, j, k, yisint, n; [L267] __int32_t hx, hy, ix, iy; [L268] __uint32_t lx, ly; VAL [bp_pow={1073741826:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={6:0}, dp_l_pow={1073741827:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L271] ieee_double_shape_type ew_u; [L272] ew_u.value = (x) [L273] EXPR ew_u.parts.msw [L273] (hx) = ew_u.parts.msw [L274] EXPR ew_u.parts.lsw [L274] (lx) = ew_u.parts.lsw [L277] ieee_double_shape_type ew_u; [L278] ew_u.value = (y) [L279] EXPR ew_u.parts.msw [L279] (hy) = ew_u.parts.msw [L280] EXPR ew_u.parts.lsw [L280] (ly) = ew_u.parts.lsw [L282] ix = hx & 0x7fffffff [L283] iy = hy & 0x7fffffff VAL [bp_pow={1073741826:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={6:0}, dp_l_pow={1073741827:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L285] COND FALSE !((iy | ly) == 0) VAL [bp_pow={1073741826:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={6:0}, dp_l_pow={1073741827:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L288-L289] COND TRUE ix > 0x7ff00000 || ((ix == 0x7ff00000) && (lx != 0)) || iy > 0x7ff00000 || ((iy == 0x7ff00000) && (ly != 0)) VAL [bp_pow={1073741826:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={6:0}, dp_l_pow={1073741827:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L290] COND FALSE !(((ix - 0x3ff00000) | lx) == 0) [L293] return __builtin_nan(""); VAL [bp_pow={1073741826:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={6:0}, dp_l_pow={1073741827:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L573] double res = __ieee754_pow(x, y); [L576] COND TRUE res != 1.0 VAL [bp_pow={1073741826:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={6:0}, dp_l_pow={1073741827:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L577] reach_error() VAL [bp_pow={1073741826:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={6:0}, dp_l_pow={1073741827:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 173.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 169.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 557 SDtfs, 150 SDslu, 583 SDs, 0 SdLazy, 69 SolverSat, 2 SolverUnsat, 67 SolverUnknown, 0 SolverNotchecked, 163.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=210occurred 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, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1048 SizeOfPredicates, 4 NumberOfNonLiveVariables, 226 ConjunctsInSsa, 5 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...