./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0873a.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/float_req_bl_0873a.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 2ce8d6b4234bd6bf0bfcfd1e4c4c2558dac9d6bd9149c930ad3206caf329db1b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:43:14,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:43:14,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:43:14,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:43:14,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:43:14,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:43:14,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:43:14,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:43:14,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:43:14,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:43:14,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:43:14,856 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:43:14,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:43:14,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:43:14,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:43:14,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:43:14,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:43:14,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:43:14,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:43:14,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:43:14,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:43:14,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:43:14,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:43:14,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:43:14,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:43:14,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:43:14,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:43:14,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:43:14,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:43:14,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:43:14,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:43:14,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:43:14,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:43:14,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:43:14,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:43:14,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:43:14,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:43:14,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:43:14,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:43:14,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:43:14,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:43:14,881 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:43:14,905 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:43:14,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:43:14,906 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:43:14,906 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:43:14,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:43:14,907 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:43:14,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:43:14,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:43:14,908 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:43:14,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:43:14,909 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:43:14,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:43:14,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:43:14,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:43:14,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:43:14,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:43:14,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:43:14,910 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:43:14,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:43:14,910 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:43:14,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:43:14,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:43:14,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:43:14,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:43:14,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:43:14,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:43:14,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:43:14,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:43:14,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:43:14,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:43:14,912 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:43:14,912 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:43:14,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:43:14,913 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ce8d6b4234bd6bf0bfcfd1e4c4c2558dac9d6bd9149c930ad3206caf329db1b [2022-02-20 16:43:15,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:43:15,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:43:15,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:43:15,097 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:43:15,098 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:43:15,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0873a.c [2022-02-20 16:43:15,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7bef79d3/d0a3ce9cb1f844a989f3ff6658774fdf/FLAGce97d7bb4 [2022-02-20 16:43:15,471 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:43:15,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0873a.c [2022-02-20 16:43:15,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7bef79d3/d0a3ce9cb1f844a989f3ff6658774fdf/FLAGce97d7bb4 [2022-02-20 16:43:15,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7bef79d3/d0a3ce9cb1f844a989f3ff6658774fdf [2022-02-20 16:43:15,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:43:15,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:43:15,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:43:15,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:43:15,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:43:15,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:43:15" (1/1) ... [2022-02-20 16:43:15,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61eafd24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:15, skipping insertion in model container [2022-02-20 16:43:15,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:43:15" (1/1) ... [2022-02-20 16:43:15,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:43:15,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:43:16,104 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:837) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1784) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$50(StandardFunctionHandler.java:415) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1442) 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:2034) 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:1645) 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:1076) 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:1622) 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:1076) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1465) 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:3271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2356) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) 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) [2022-02-20 16:43:16,120 INFO L158 Benchmark]: Toolchain (without parser) took 241.25ms. Allocated memory is still 96.5MB. Free memory was 61.7MB in the beginning and 70.0MB in the end (delta: -8.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-20 16:43:16,121 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory was 66.3MB in the beginning and 66.3MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:43:16,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.18ms. Allocated memory is still 96.5MB. Free memory was 61.4MB in the beginning and 70.0MB in the end (delta: -8.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-20 16:43:16,123 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory was 66.3MB in the beginning and 66.3MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.18ms. Allocated memory is still 96.5MB. Free memory was 61.4MB in the beginning and 70.0MB in the end (delta: -8.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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:837) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/float_req_bl_0873a.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 2ce8d6b4234bd6bf0bfcfd1e4c4c2558dac9d6bd9149c930ad3206caf329db1b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:43:17,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:43:17,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:43:17,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:43:17,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:43:17,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:43:17,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:43:17,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:43:17,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:43:17,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:43:17,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:43:17,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:43:17,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:43:17,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:43:17,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:43:17,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:43:17,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:43:17,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:43:17,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:43:17,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:43:17,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:43:17,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:43:17,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:43:17,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:43:17,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:43:17,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:43:17,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:43:17,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:43:17,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:43:17,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:43:17,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:43:17,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:43:17,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:43:17,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:43:17,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:43:17,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:43:17,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:43:17,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:43:17,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:43:17,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:43:17,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:43:17,548 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-02-20 16:43:17,577 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:43:17,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:43:17,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:43:17,579 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:43:17,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:43:17,580 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:43:17,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:43:17,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:43:17,581 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:43:17,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:43:17,582 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:43:17,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:43:17,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:43:17,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:43:17,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:43:17,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:43:17,583 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 16:43:17,583 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 16:43:17,583 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 16:43:17,583 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:43:17,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:43:17,583 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:43:17,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:43:17,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:43:17,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:43:17,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:43:17,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:43:17,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:43:17,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:43:17,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:43:17,585 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 16:43:17,585 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 16:43:17,585 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:43:17,586 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:43:17,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:43:17,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 16:43:17,586 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ce8d6b4234bd6bf0bfcfd1e4c4c2558dac9d6bd9149c930ad3206caf329db1b [2022-02-20 16:43:17,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:43:17,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:43:17,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:43:17,867 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:43:17,867 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:43:17,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0873a.c [2022-02-20 16:43:17,933 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbd2b1407/fe75cfe4b799493c9d5c42364d8d185c/FLAG6e1bac11d [2022-02-20 16:43:18,367 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:43:18,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0873a.c [2022-02-20 16:43:18,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbd2b1407/fe75cfe4b799493c9d5c42364d8d185c/FLAG6e1bac11d [2022-02-20 16:43:18,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbd2b1407/fe75cfe4b799493c9d5c42364d8d185c [2022-02-20 16:43:18,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:43:18,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:43:18,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:43:18,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:43:18,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:43:18,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:43:18" (1/1) ... [2022-02-20 16:43:18,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3781f550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:18, skipping insertion in model container [2022-02-20 16:43:18,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:43:18" (1/1) ... [2022-02-20 16:43:18,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:43:18,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:43:18,700 WARN L230 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/float_req_bl_0873a.c[13768,13781] [2022-02-20 16:43:18,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:43:18,710 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:43:18,790 WARN L230 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/float_req_bl_0873a.c[13768,13781] [2022-02-20 16:43:18,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:43:18,807 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:43:18,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:18 WrapperNode [2022-02-20 16:43:18,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:43:18,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:43:18,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:43:18,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:43:18,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:18" (1/1) ... [2022-02-20 16:43:18,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:18" (1/1) ... [2022-02-20 16:43:18,902 INFO L137 Inliner]: procedures = 25, calls = 187, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 737 [2022-02-20 16:43:18,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:43:18,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:43:18,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:43:18,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:43:18,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:18" (1/1) ... [2022-02-20 16:43:18,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:18" (1/1) ... [2022-02-20 16:43:18,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:18" (1/1) ... [2022-02-20 16:43:18,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:18" (1/1) ... [2022-02-20 16:43:18,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:18" (1/1) ... [2022-02-20 16:43:18,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:18" (1/1) ... [2022-02-20 16:43:18,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:18" (1/1) ... [2022-02-20 16:43:18,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:43:18,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:43:18,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:43:18,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:43:18,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:18" (1/1) ... [2022-02-20 16:43:18,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:43:18,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:43:18,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 16:43:19,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 16:43:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:43:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2022-02-20 16:43:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2022-02-20 16:43:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-02-20 16:43:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 16:43:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 16:43:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-02-20 16:43:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-02-20 16:43:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:43:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:43:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-02-20 16:43:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-02-20 16:43:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:43:19,124 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:43:19,126 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:43:42,544 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:43:42,553 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:43:42,555 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2022-02-20 16:43:42,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:43:42 BoogieIcfgContainer [2022-02-20 16:43:42,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:43:42,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:43:42,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:43:42,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:43:42,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:43:18" (1/3) ... [2022-02-20 16:43:42,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff1e81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:43:42, skipping insertion in model container [2022-02-20 16:43:42,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:43:18" (2/3) ... [2022-02-20 16:43:42,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff1e81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:43:42, skipping insertion in model container [2022-02-20 16:43:42,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:43:42" (3/3) ... [2022-02-20 16:43:42,563 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0873a.c [2022-02-20 16:43:42,566 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:43:42,566 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:43:42,601 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:43:42,606 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:43:42,606 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:43:42,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 189 states, 183 states have (on average 1.726775956284153) internal successors, (316), 184 states have internal predecessors, (316), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:43:42,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-02-20 16:43:42,629 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:43:42,629 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:43:42,629 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:43:42,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:43:42,632 INFO L85 PathProgramCache]: Analyzing trace with hash -164865012, now seen corresponding path program 1 times [2022-02-20 16:43:42,640 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:43:42,640 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563648988] [2022-02-20 16:43:42,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:43:42,641 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:43:42,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:43:42,643 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:43:42,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-02-20 16:43:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:43:43,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 1 conjunts are in the unsatisfiable core [2022-02-20 16:43:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:43:43,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:43:43,594 INFO L290 TraceCheckUtils]: 0: Hoare triple {192#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(21bv32, 2bv32);call #Ultimate.allocInit(12bv32, 3bv32);~one_fmod~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := 4bv32, 0bv32;call #Ultimate.allocInit(8bv32, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()), ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~Pluszero~DOUBLE())), ~#Zero_fmod~0.base, ~bvadd32(4bv32, ~#Zero_fmod~0.offset), 4bv32);~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~two25_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.3554432E7));~twom25_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.9802322388E-8));~huge_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~tiny_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~#bp_pow~0.base, ~#bp_pow~0.offset := 5bv32, 0bv32;call #Ultimate.allocInit(8bv32, 5bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0)), ~#bp_pow~0.base, ~#bp_pow~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5)), ~#bp_pow~0.base, ~bvadd32(4bv32, ~#bp_pow~0.offset), 4bv32);~#dp_h_pow~0.base, ~#dp_h_pow~0.offset := 6bv32, 0bv32;call #Ultimate.allocInit(8bv32, 6bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()), ~#dp_h_pow~0.base, ~#dp_h_pow~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.584960938)), ~#dp_h_pow~0.base, ~bvadd32(4bv32, ~#dp_h_pow~0.offset), 4bv32);~#dp_l_pow~0.base, ~#dp_l_pow~0.offset := 7bv32, 0bv32;call #Ultimate.allocInit(8bv32, 7bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()), ~#dp_l_pow~0.base, ~#dp_l_pow~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.56322085E-6)), ~#dp_l_pow~0.base, ~bvadd32(4bv32, ~#dp_l_pow~0.offset), 4bv32);~zero_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~one_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~two_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0));~two24_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.6777216E7));~huge_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~tiny_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~L1_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.60000002384));~L2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.42857143283));~L3_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.33333334327));~L4_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.27272811532));~L5_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.23066075146));~L6_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20697501302));~P1_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~P2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.002777777845)));~P3_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 6.613755977E-5));~P4_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 1.6533901999E-6)));~P5_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.1381369442E-8));~lg2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69314718246));~lg2_h_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.693145752));~lg2_l_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.42860654E-6));~ovt_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.2995665694E-8));~cp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.96179670095));~cp_h_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.96179199219));~cp_l_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.7017383622E-6));~ivln2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.4426950216));~ivln2_h_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.4426879883));~ivln2_l_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.0526075433E-6)); {192#true} is VALID [2022-02-20 16:43:43,595 INFO L290 TraceCheckUtils]: 1: Hoare triple {192#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret63#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;main_~x~0#1 := ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.0));main_~y~0#1 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());assume { :begin_inline___ieee754_powf } true;__ieee754_powf_#in~x#1, __ieee754_powf_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc __ieee754_powf_#res#1;havoc __ieee754_powf_#t~mem27#1, __ieee754_powf_~#gf_u~8#1.base, __ieee754_powf_~#gf_u~8#1.offset, __ieee754_powf_#t~mem28#1, __ieee754_powf_~#gf_u~9#1.base, __ieee754_powf_~#gf_u~9#1.offset, __ieee754_powf_#t~ite29#1, __ieee754_powf_#t~ite30#1, __ieee754_powf_#t~ret31#1, __ieee754_powf_#t~ret32#1, __ieee754_powf_#t~ite33#1, __ieee754_powf_#t~ite34#1, __ieee754_powf_#t~mem35#1, __ieee754_powf_~#gf_u~10#1.base, __ieee754_powf_~#gf_u~10#1.offset, __ieee754_powf_#t~mem36#1, __ieee754_powf_~#sf_u~7#1.base, __ieee754_powf_~#sf_u~7#1.offset, __ieee754_powf_#t~mem37#1, __ieee754_powf_~#gf_u~11#1.base, __ieee754_powf_~#gf_u~11#1.offset, __ieee754_powf_#t~mem38#1, __ieee754_powf_~#sf_u~8#1.base, __ieee754_powf_~#sf_u~8#1.offset, __ieee754_powf_#t~mem39#1, __ieee754_powf_#t~mem40#1, __ieee754_powf_#t~mem41#1, __ieee754_powf_~#gf_u~12#1.base, __ieee754_powf_~#gf_u~12#1.offset, __ieee754_powf_#t~mem42#1, __ieee754_powf_~#sf_u~9#1.base, __ieee754_powf_~#sf_u~9#1.offset, __ieee754_powf_#t~mem43#1, __ieee754_powf_~#sf_u~10#1.base, __ieee754_powf_~#sf_u~10#1.offset, __ieee754_powf_#t~mem44#1, __ieee754_powf_#t~mem45#1, __ieee754_powf_~#gf_u~13#1.base, __ieee754_powf_~#gf_u~13#1.offset, __ieee754_powf_#t~mem46#1, __ieee754_powf_~#sf_u~11#1.base, __ieee754_powf_~#sf_u~11#1.offset, __ieee754_powf_#t~mem47#1, __ieee754_powf_~#gf_u~14#1.base, __ieee754_powf_~#gf_u~14#1.offset, __ieee754_powf_#t~mem48#1, __ieee754_powf_~#sf_u~12#1.base, __ieee754_powf_~#sf_u~12#1.offset, __ieee754_powf_#t~mem49#1, __ieee754_powf_#t~mem50#1, __ieee754_powf_#t~mem51#1, __ieee754_powf_~#gf_u~15#1.base, __ieee754_powf_~#gf_u~15#1.offset, __ieee754_powf_#t~mem52#1, __ieee754_powf_~#sf_u~13#1.base, __ieee754_powf_~#sf_u~13#1.offset, __ieee754_powf_#t~mem53#1, __ieee754_powf_~s2~0#1, __ieee754_powf_~s_h~0#1, __ieee754_powf_~s_l~0#1, __ieee754_powf_~t_h~0#1, __ieee754_powf_~t_l~0#1, __ieee754_powf_#t~mem54#1, __ieee754_powf_~#gf_u~16#1.base, __ieee754_powf_~#gf_u~16#1.offset, __ieee754_powf_#t~mem55#1, __ieee754_powf_~#sf_u~14#1.base, __ieee754_powf_~#sf_u~14#1.offset, __ieee754_powf_#t~mem56#1, __ieee754_powf_~#gf_u~17#1.base, __ieee754_powf_~#gf_u~17#1.offset, __ieee754_powf_#t~mem57#1, __ieee754_powf_~#sf_u~15#1.base, __ieee754_powf_~#sf_u~15#1.offset, __ieee754_powf_#t~mem58#1, __ieee754_powf_~#gf_u~18#1.base, __ieee754_powf_~#gf_u~18#1.offset, __ieee754_powf_#t~mem59#1, __ieee754_powf_~#sf_u~16#1.base, __ieee754_powf_~#sf_u~16#1.offset, __ieee754_powf_#t~mem60#1, __ieee754_powf_~#gf_u~19#1.base, __ieee754_powf_~#gf_u~19#1.offset, __ieee754_powf_#t~ret61#1, __ieee754_powf_#t~mem62#1, __ieee754_powf_~#sf_u~17#1.base, __ieee754_powf_~#sf_u~17#1.offset, __ieee754_powf_~x#1, __ieee754_powf_~y#1, __ieee754_powf_~z~1#1, __ieee754_powf_~ax~0#1, __ieee754_powf_~z_h~0#1, __ieee754_powf_~z_l~0#1, __ieee754_powf_~p_h~0#1, __ieee754_powf_~p_l~0#1, __ieee754_powf_~y1~0#1, __ieee754_powf_~t1~0#1, __ieee754_powf_~t2~0#1, __ieee754_powf_~r~1#1, __ieee754_powf_~s~1#1, __ieee754_powf_~t~1#1, __ieee754_powf_~u~0#1, __ieee754_powf_~v~0#1, __ieee754_powf_~w~0#1, __ieee754_powf_~i~2#1, __ieee754_powf_~j~0#1, __ieee754_powf_~k~1#1, __ieee754_powf_~yisint~0#1, __ieee754_powf_~n~1#1, __ieee754_powf_~hx~3#1, __ieee754_powf_~hy~1#1, __ieee754_powf_~ix~5#1, __ieee754_powf_~iy~2#1, __ieee754_powf_~is~0#1;__ieee754_powf_~x#1 := __ieee754_powf_#in~x#1;__ieee754_powf_~y#1 := __ieee754_powf_#in~y#1;havoc __ieee754_powf_~z~1#1;havoc __ieee754_powf_~ax~0#1;havoc __ieee754_powf_~z_h~0#1;havoc __ieee754_powf_~z_l~0#1;havoc __ieee754_powf_~p_h~0#1;havoc __ieee754_powf_~p_l~0#1;havoc __ieee754_powf_~y1~0#1;havoc __ieee754_powf_~t1~0#1;havoc __ieee754_powf_~t2~0#1;havoc __ieee754_powf_~r~1#1;havoc __ieee754_powf_~s~1#1;havoc __ieee754_powf_~t~1#1;havoc __ieee754_powf_~u~0#1;havoc __ieee754_powf_~v~0#1;havoc __ieee754_powf_~w~0#1;havoc __ieee754_powf_~i~2#1;havoc __ieee754_powf_~j~0#1;havoc __ieee754_powf_~k~1#1;havoc __ieee754_powf_~yisint~0#1;havoc __ieee754_powf_~n~1#1;havoc __ieee754_powf_~hx~3#1;havoc __ieee754_powf_~hy~1#1;havoc __ieee754_powf_~ix~5#1;havoc __ieee754_powf_~iy~2#1;havoc __ieee754_powf_~is~0#1; {192#true} is VALID [2022-02-20 16:43:43,595 INFO L290 TraceCheckUtils]: 2: Hoare triple {192#true} assume !true; {193#false} is VALID [2022-02-20 16:43:43,596 INFO L290 TraceCheckUtils]: 3: Hoare triple {193#false} assume !true; {193#false} is VALID [2022-02-20 16:43:43,596 INFO L290 TraceCheckUtils]: 4: Hoare triple {193#false} __ieee754_powf_~ix~5#1 := ~bvand32(2147483647bv32, __ieee754_powf_~hx~3#1);__ieee754_powf_~iy~2#1 := ~bvand32(2147483647bv32, __ieee754_powf_~hy~1#1); {193#false} is VALID [2022-02-20 16:43:43,596 INFO L290 TraceCheckUtils]: 5: Hoare triple {193#false} assume 0bv32 == __ieee754_powf_~iy~2#1;__ieee754_powf_#res#1 := ~one_pow~0; {193#false} is VALID [2022-02-20 16:43:43,596 INFO L290 TraceCheckUtils]: 6: Hoare triple {193#false} main_#t~ret63#1 := __ieee754_powf_#res#1;assume { :end_inline___ieee754_powf } true;main_~res~0#1 := main_#t~ret63#1;havoc main_#t~ret63#1; {193#false} is VALID [2022-02-20 16:43:43,596 INFO L290 TraceCheckUtils]: 7: Hoare triple {193#false} assume !~fp.eq~FLOAT(main_~res~0#1, ~to_fp~FLOAT(currentRoundingMode, 1.0)); {193#false} is VALID [2022-02-20 16:43:43,596 INFO L290 TraceCheckUtils]: 8: Hoare triple {193#false} assume !false; {193#false} is VALID [2022-02-20 16:43:43,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:43:43,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:43:43,598 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:43:43,598 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1563648988] [2022-02-20 16:43:43,598 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1563648988] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:43:43,599 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:43:43,599 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:43:43,600 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376766970] [2022-02-20 16:43:43,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:43:43,604 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-02-20 16:43:43,606 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:43:43,608 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:43:43,631 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:43:43,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 16:43:43,631 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:43:43,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 16:43:43,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:43:43,658 INFO L87 Difference]: Start difference. First operand has 189 states, 183 states have (on average 1.726775956284153) internal successors, (316), 184 states have internal predecessors, (316), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:44:04,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:44:04,703 INFO L93 Difference]: Finished difference Result 376 states and 645 transitions. [2022-02-20 16:44:04,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 16:44:04,704 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-02-20 16:44:04,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:44:04,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:44:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 645 transitions. [2022-02-20 16:44:04,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:44:04,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 645 transitions. [2022-02-20 16:44:04,729 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 645 transitions. [2022-02-20 16:44:11,837 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 645 edges. 645 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:44:11,854 INFO L225 Difference]: With dead ends: 376 [2022-02-20 16:44:11,854 INFO L226 Difference]: Without dead ends: 186 [2022-02-20 16:44:11,857 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:44:11,859 INFO L933 BasicCegarLoop]: 251 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:44:11,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:44:11,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2022-02-20 16:44:11,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2022-02-20 16:44:11,886 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:44:11,887 INFO L82 GeneralOperation]: Start isEquivalent. First operand 186 states. Second operand has 186 states, 181 states have (on average 1.3370165745856353) internal successors, (242), 181 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:44:11,888 INFO L74 IsIncluded]: Start isIncluded. First operand 186 states. Second operand has 186 states, 181 states have (on average 1.3370165745856353) internal successors, (242), 181 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:44:11,889 INFO L87 Difference]: Start difference. First operand 186 states. Second operand has 186 states, 181 states have (on average 1.3370165745856353) internal successors, (242), 181 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:44:11,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:44:11,895 INFO L93 Difference]: Finished difference Result 186 states and 248 transitions. [2022-02-20 16:44:11,896 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 248 transitions. [2022-02-20 16:44:11,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:44:11,898 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:44:11,899 INFO L74 IsIncluded]: Start isIncluded. First operand has 186 states, 181 states have (on average 1.3370165745856353) internal successors, (242), 181 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 186 states. [2022-02-20 16:44:11,899 INFO L87 Difference]: Start difference. First operand has 186 states, 181 states have (on average 1.3370165745856353) internal successors, (242), 181 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 186 states. [2022-02-20 16:44:11,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:44:11,907 INFO L93 Difference]: Finished difference Result 186 states and 248 transitions. [2022-02-20 16:44:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 248 transitions. [2022-02-20 16:44:11,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:44:11,912 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:44:11,912 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:44:11,913 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:44:11,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 181 states have (on average 1.3370165745856353) internal successors, (242), 181 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:44:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 248 transitions. [2022-02-20 16:44:11,921 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 248 transitions. Word has length 9 [2022-02-20 16:44:11,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:44:11,921 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 248 transitions. [2022-02-20 16:44:11,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:44:11,922 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 248 transitions. [2022-02-20 16:44:11,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-02-20 16:44:11,922 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:44:11,923 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:44:11,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-02-20 16:44:12,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 16:44:12,144 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:44:12,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:44:12,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1290864143, now seen corresponding path program 1 times [2022-02-20 16:44:12,145 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:44:12,145 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1959304210] [2022-02-20 16:44:12,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:44:12,145 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:44:12,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:44:12,146 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:44:12,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-02-20 16:44:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:44:12,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-20 16:44:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:44:12,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:44:13,375 INFO L290 TraceCheckUtils]: 0: Hoare triple {1246#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(21bv32, 2bv32);call #Ultimate.allocInit(12bv32, 3bv32);~one_fmod~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := 4bv32, 0bv32;call #Ultimate.allocInit(8bv32, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()), ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~Pluszero~DOUBLE())), ~#Zero_fmod~0.base, ~bvadd32(4bv32, ~#Zero_fmod~0.offset), 4bv32);~one_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~tiny_sqrt~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~two25_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 3.3554432E7));~twom25_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.9802322388E-8));~huge_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~tiny_scalbn~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~#bp_pow~0.base, ~#bp_pow~0.offset := 5bv32, 0bv32;call #Ultimate.allocInit(8bv32, 5bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0)), ~#bp_pow~0.base, ~#bp_pow~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.5)), ~#bp_pow~0.base, ~bvadd32(4bv32, ~#bp_pow~0.offset), 4bv32);~#dp_h_pow~0.base, ~#dp_h_pow~0.offset := 6bv32, 0bv32;call #Ultimate.allocInit(8bv32, 6bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()), ~#dp_h_pow~0.base, ~#dp_h_pow~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.584960938)), ~#dp_h_pow~0.base, ~bvadd32(4bv32, ~#dp_h_pow~0.offset), 4bv32);~#dp_l_pow~0.base, ~#dp_l_pow~0.offset := 7bv32, 0bv32;call #Ultimate.allocInit(8bv32, 7bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE()), ~#dp_l_pow~0.base, ~#dp_l_pow~0.offset, 4bv32);call write~init~intFLOATTYPE4(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.56322085E-6)), ~#dp_l_pow~0.base, ~bvadd32(4bv32, ~#dp_l_pow~0.offset), 4bv32);~zero_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~Pluszero~DOUBLE());~one_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0));~two_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 2.0));~two24_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.6777216E7));~huge_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E30));~tiny_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.0E-30));~L1_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.60000002384));~L2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.42857143283));~L3_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.33333334327));~L4_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.27272811532));~L5_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.23066075146));~L6_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.20697501302));~P1_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.16666667163));~P2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.002777777845)));~P3_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 6.613755977E-5));~P4_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 1.6533901999E-6)));~P5_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.1381369442E-8));~lg2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.69314718246));~lg2_h_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.693145752));~lg2_l_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.42860654E-6));~ovt_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.2995665694E-8));~cp~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.96179670095));~cp_h_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 0.96179199219));~cp_l_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 4.7017383622E-6));~ivln2_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.4426950216));~ivln2_h_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 1.4426879883));~ivln2_l_pow~0 := ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~DOUBLE(currentRoundingMode, 7.0526075433E-6)); {1246#true} is VALID [2022-02-20 16:44:13,378 INFO L290 TraceCheckUtils]: 1: Hoare triple {1246#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret63#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;main_~x~0#1 := ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.0));main_~y~0#1 := ~fp.div~FLOAT(currentRoundingMode, ~to_fp~FLOAT(currentRoundingMode, 1.0), ~Pluszero~FLOAT());assume { :begin_inline___ieee754_powf } true;__ieee754_powf_#in~x#1, __ieee754_powf_#in~y#1 := main_~x~0#1, main_~y~0#1;havoc __ieee754_powf_#res#1;havoc __ieee754_powf_#t~mem27#1, __ieee754_powf_~#gf_u~8#1.base, __ieee754_powf_~#gf_u~8#1.offset, __ieee754_powf_#t~mem28#1, __ieee754_powf_~#gf_u~9#1.base, __ieee754_powf_~#gf_u~9#1.offset, __ieee754_powf_#t~ite29#1, __ieee754_powf_#t~ite30#1, __ieee754_powf_#t~ret31#1, __ieee754_powf_#t~ret32#1, __ieee754_powf_#t~ite33#1, __ieee754_powf_#t~ite34#1, __ieee754_powf_#t~mem35#1, __ieee754_powf_~#gf_u~10#1.base, __ieee754_powf_~#gf_u~10#1.offset, __ieee754_powf_#t~mem36#1, __ieee754_powf_~#sf_u~7#1.base, __ieee754_powf_~#sf_u~7#1.offset, __ieee754_powf_#t~mem37#1, __ieee754_powf_~#gf_u~11#1.base, __ieee754_powf_~#gf_u~11#1.offset, __ieee754_powf_#t~mem38#1, __ieee754_powf_~#sf_u~8#1.base, __ieee754_powf_~#sf_u~8#1.offset, __ieee754_powf_#t~mem39#1, __ieee754_powf_#t~mem40#1, __ieee754_powf_#t~mem41#1, __ieee754_powf_~#gf_u~12#1.base, __ieee754_powf_~#gf_u~12#1.offset, __ieee754_powf_#t~mem42#1, __ieee754_powf_~#sf_u~9#1.base, __ieee754_powf_~#sf_u~9#1.offset, __ieee754_powf_#t~mem43#1, __ieee754_powf_~#sf_u~10#1.base, __ieee754_powf_~#sf_u~10#1.offset, __ieee754_powf_#t~mem44#1, __ieee754_powf_#t~mem45#1, __ieee754_powf_~#gf_u~13#1.base, __ieee754_powf_~#gf_u~13#1.offset, __ieee754_powf_#t~mem46#1, __ieee754_powf_~#sf_u~11#1.base, __ieee754_powf_~#sf_u~11#1.offset, __ieee754_powf_#t~mem47#1, __ieee754_powf_~#gf_u~14#1.base, __ieee754_powf_~#gf_u~14#1.offset, __ieee754_powf_#t~mem48#1, __ieee754_powf_~#sf_u~12#1.base, __ieee754_powf_~#sf_u~12#1.offset, __ieee754_powf_#t~mem49#1, __ieee754_powf_#t~mem50#1, __ieee754_powf_#t~mem51#1, __ieee754_powf_~#gf_u~15#1.base, __ieee754_powf_~#gf_u~15#1.offset, __ieee754_powf_#t~mem52#1, __ieee754_powf_~#sf_u~13#1.base, __ieee754_powf_~#sf_u~13#1.offset, __ieee754_powf_#t~mem53#1, __ieee754_powf_~s2~0#1, __ieee754_powf_~s_h~0#1, __ieee754_powf_~s_l~0#1, __ieee754_powf_~t_h~0#1, __ieee754_powf_~t_l~0#1, __ieee754_powf_#t~mem54#1, __ieee754_powf_~#gf_u~16#1.base, __ieee754_powf_~#gf_u~16#1.offset, __ieee754_powf_#t~mem55#1, __ieee754_powf_~#sf_u~14#1.base, __ieee754_powf_~#sf_u~14#1.offset, __ieee754_powf_#t~mem56#1, __ieee754_powf_~#gf_u~17#1.base, __ieee754_powf_~#gf_u~17#1.offset, __ieee754_powf_#t~mem57#1, __ieee754_powf_~#sf_u~15#1.base, __ieee754_powf_~#sf_u~15#1.offset, __ieee754_powf_#t~mem58#1, __ieee754_powf_~#gf_u~18#1.base, __ieee754_powf_~#gf_u~18#1.offset, __ieee754_powf_#t~mem59#1, __ieee754_powf_~#sf_u~16#1.base, __ieee754_powf_~#sf_u~16#1.offset, __ieee754_powf_#t~mem60#1, __ieee754_powf_~#gf_u~19#1.base, __ieee754_powf_~#gf_u~19#1.offset, __ieee754_powf_#t~ret61#1, __ieee754_powf_#t~mem62#1, __ieee754_powf_~#sf_u~17#1.base, __ieee754_powf_~#sf_u~17#1.offset, __ieee754_powf_~x#1, __ieee754_powf_~y#1, __ieee754_powf_~z~1#1, __ieee754_powf_~ax~0#1, __ieee754_powf_~z_h~0#1, __ieee754_powf_~z_l~0#1, __ieee754_powf_~p_h~0#1, __ieee754_powf_~p_l~0#1, __ieee754_powf_~y1~0#1, __ieee754_powf_~t1~0#1, __ieee754_powf_~t2~0#1, __ieee754_powf_~r~1#1, __ieee754_powf_~s~1#1, __ieee754_powf_~t~1#1, __ieee754_powf_~u~0#1, __ieee754_powf_~v~0#1, __ieee754_powf_~w~0#1, __ieee754_powf_~i~2#1, __ieee754_powf_~j~0#1, __ieee754_powf_~k~1#1, __ieee754_powf_~yisint~0#1, __ieee754_powf_~n~1#1, __ieee754_powf_~hx~3#1, __ieee754_powf_~hy~1#1, __ieee754_powf_~ix~5#1, __ieee754_powf_~iy~2#1, __ieee754_powf_~is~0#1;__ieee754_powf_~x#1 := __ieee754_powf_#in~x#1;__ieee754_powf_~y#1 := __ieee754_powf_#in~y#1;havoc __ieee754_powf_~z~1#1;havoc __ieee754_powf_~ax~0#1;havoc __ieee754_powf_~z_h~0#1;havoc __ieee754_powf_~z_l~0#1;havoc __ieee754_powf_~p_h~0#1;havoc __ieee754_powf_~p_l~0#1;havoc __ieee754_powf_~y1~0#1;havoc __ieee754_powf_~t1~0#1;havoc __ieee754_powf_~t2~0#1;havoc __ieee754_powf_~r~1#1;havoc __ieee754_powf_~s~1#1;havoc __ieee754_powf_~t~1#1;havoc __ieee754_powf_~u~0#1;havoc __ieee754_powf_~v~0#1;havoc __ieee754_powf_~w~0#1;havoc __ieee754_powf_~i~2#1;havoc __ieee754_powf_~j~0#1;havoc __ieee754_powf_~k~1#1;havoc __ieee754_powf_~yisint~0#1;havoc __ieee754_powf_~n~1#1;havoc __ieee754_powf_~hx~3#1;havoc __ieee754_powf_~hy~1#1;havoc __ieee754_powf_~ix~5#1;havoc __ieee754_powf_~iy~2#1;havoc __ieee754_powf_~is~0#1; {1254#(exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2022-02-20 16:44:13,378 INFO L290 TraceCheckUtils]: 2: Hoare triple {1254#(exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} call __ieee754_powf_~#gf_u~8#1.base, __ieee754_powf_~#gf_u~8#1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_powf_~x#1, __ieee754_powf_~#gf_u~8#1.base, __ieee754_powf_~#gf_u~8#1.offset, 4bv32);call __ieee754_powf_#t~mem27#1 := read~intINTTYPE4(__ieee754_powf_~#gf_u~8#1.base, __ieee754_powf_~#gf_u~8#1.offset, 4bv32);__ieee754_powf_~hx~3#1 := __ieee754_powf_#t~mem27#1;havoc __ieee754_powf_#t~mem27#1;call ULTIMATE.dealloc(__ieee754_powf_~#gf_u~8#1.base, __ieee754_powf_~#gf_u~8#1.offset);havoc __ieee754_powf_~#gf_u~8#1.base, __ieee754_powf_~#gf_u~8#1.offset; {1254#(exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2022-02-20 16:44:13,379 INFO L290 TraceCheckUtils]: 3: Hoare triple {1254#(exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} goto; {1254#(exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} is VALID [2022-02-20 16:44:13,381 INFO L290 TraceCheckUtils]: 4: Hoare triple {1254#(exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))} call __ieee754_powf_~#gf_u~9#1.base, __ieee754_powf_~#gf_u~9#1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4(__ieee754_powf_~y#1, __ieee754_powf_~#gf_u~9#1.base, __ieee754_powf_~#gf_u~9#1.offset, 4bv32);call __ieee754_powf_#t~mem28#1 := read~intINTTYPE4(__ieee754_powf_~#gf_u~9#1.base, __ieee754_powf_~#gf_u~9#1.offset, 4bv32);__ieee754_powf_~hy~1#1 := __ieee754_powf_#t~mem28#1;havoc __ieee754_powf_#t~mem28#1;call ULTIMATE.dealloc(__ieee754_powf_~#gf_u~9#1.base, __ieee754_powf_~#gf_u~9#1.offset);havoc __ieee754_powf_~#gf_u~9#1.base, __ieee754_powf_~#gf_u~9#1.offset; {1264#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_powf_~hy~1#1|))))} is VALID [2022-02-20 16:44:13,381 INFO L290 TraceCheckUtils]: 5: Hoare triple {1264#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_powf_~hy~1#1|))))} goto; {1264#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_powf_~hy~1#1|))))} is VALID [2022-02-20 16:44:13,383 INFO L290 TraceCheckUtils]: 6: Hoare triple {1264#(exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_powf_~hy~1#1|))))} __ieee754_powf_~ix~5#1 := ~bvand32(2147483647bv32, __ieee754_powf_~hx~3#1);__ieee754_powf_~iy~2#1 := ~bvand32(2147483647bv32, __ieee754_powf_~hy~1#1); {1271#(exists ((|ULTIMATE.start___ieee754_powf_~hy~1#1| (_ BitVec 32))) (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_powf_~hy~1#1|)))) (= (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_powf_~hy~1#1|) |ULTIMATE.start___ieee754_powf_~iy~2#1|)))} is VALID [2022-02-20 16:44:13,384 INFO L290 TraceCheckUtils]: 7: Hoare triple {1271#(exists ((|ULTIMATE.start___ieee754_powf_~hy~1#1| (_ BitVec 32))) (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_powf_~hy~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_powf_~hy~1#1|)))) (= (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_powf_~hy~1#1|) |ULTIMATE.start___ieee754_powf_~iy~2#1|)))} assume 0bv32 == __ieee754_powf_~iy~2#1;__ieee754_powf_#res#1 := ~one_pow~0; {1247#false} is VALID [2022-02-20 16:44:13,384 INFO L290 TraceCheckUtils]: 8: Hoare triple {1247#false} main_#t~ret63#1 := __ieee754_powf_#res#1;assume { :end_inline___ieee754_powf } true;main_~res~0#1 := main_#t~ret63#1;havoc main_#t~ret63#1; {1247#false} is VALID [2022-02-20 16:44:13,385 INFO L290 TraceCheckUtils]: 9: Hoare triple {1247#false} assume !~fp.eq~FLOAT(main_~res~0#1, ~to_fp~FLOAT(currentRoundingMode, 1.0)); {1247#false} is VALID [2022-02-20 16:44:13,385 INFO L290 TraceCheckUtils]: 10: Hoare triple {1247#false} assume !false; {1247#false} is VALID [2022-02-20 16:44:13,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:44:13,385 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:44:13,385 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:44:13,385 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1959304210] [2022-02-20 16:44:13,386 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1959304210] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:44:13,386 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:44:13,386 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 16:44:13,386 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807779316] [2022-02-20 16:44:13,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:44:13,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-02-20 16:44:13,387 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:44:13,387 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:44:13,413 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:44:13,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 16:44:13,413 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:44:13,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 16:44:13,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 16:44:13,414 INFO L87 Difference]: Start difference. First operand 186 states and 248 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)