./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_0870a.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 194cff8833bdef02e466ccd78bd00202eba4fac9 ............................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_0870a.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 194cff8833bdef02e466ccd78bd00202eba4fac9 .................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 16:53:03,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:53:03,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:53:03,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:53:03,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:53:03,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:53:03,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:53:03,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:53:03,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:53:03,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:53:03,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:53:03,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:53:03,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:53:03,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:53:03,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:53:03,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:53:03,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:53:03,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:53:03,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:53:03,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:53:03,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:53:03,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:53:03,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:53:03,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:53:03,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:53:03,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:53:03,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:53:03,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:53:03,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:53:03,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:53:03,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:53:03,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:53:03,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:53:03,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:53:03,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:53:03,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:53:03,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:53:03,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:53:03,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:53:03,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:53:03,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:53:03,095 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 16:53:03,126 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:53:03,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:53:03,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:53:03,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:53:03,132 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:53:03,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:53:03,133 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:53:03,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 16:53:03,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:53:03,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:53:03,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:53:03,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:53:03,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:53:03,136 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:53:03,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:53:03,137 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:53:03,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:53:03,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:53:03,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:53:03,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:53:03,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:53:03,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:53:03,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:53:03,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:53:03,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:53:03,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 16:53:03,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 16:53:03,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:53:03,141 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:53:03,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> 194cff8833bdef02e466ccd78bd00202eba4fac9 [2019-11-28 16:53:03,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:53:03,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:53:03,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:53:03,492 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:53:03,493 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:53:03,494 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2019-11-28 16:53:03,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ac73ab47/e07ddc0ca7524cc3b570c059a25b7a9a/FLAG493687c60 [2019-11-28 16:53:04,060 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:53:04,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2019-11-28 16:53:04,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ac73ab47/e07ddc0ca7524cc3b570c059a25b7a9a/FLAG493687c60 [2019-11-28 16:53:04,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ac73ab47/e07ddc0ca7524cc3b570c059a25b7a9a [2019-11-28 16:53:04,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:53:04,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:53:04,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:53:04,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:53:04,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:53:04,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:53:04" (1/1) ... [2019-11-28 16:53:04,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1381c3b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:53:04, skipping insertion in model container [2019-11-28 16:53:04,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:53:04" (1/1) ... [2019-11-28 16:53:04,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:53:04,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:53:04,893 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1644) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$42(StandardFunctionHandler.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) 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:1955) 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:1584) 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:1029) 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:1561) 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:1029) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1407) 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:3458) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:571) 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:125) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 16:53:04,900 INFO L168 Benchmark]: Toolchain (without parser) took 515.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 16:53:04,901 INFO L168 Benchmark]: CDTParser took 0.98 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:53:04,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 16:53:04,904 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 512.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-11-28 16:53:06,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 16:53:06,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 16:53:06,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 16:53:06,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 16:53:06,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 16:53:06,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 16:53:06,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 16:53:06,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 16:53:06,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 16:53:06,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 16:53:06,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 16:53:06,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 16:53:06,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 16:53:06,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 16:53:06,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 16:53:06,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 16:53:06,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 16:53:06,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 16:53:06,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 16:53:06,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 16:53:06,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 16:53:06,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 16:53:06,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 16:53:06,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 16:53:06,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 16:53:06,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 16:53:06,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 16:53:06,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 16:53:06,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 16:53:06,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 16:53:06,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 16:53:06,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 16:53:06,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 16:53:06,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 16:53:06,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 16:53:06,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 16:53:06,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 16:53:06,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 16:53:06,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 16:53:06,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 16:53:06,833 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 16:53:06,858 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 16:53:06,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 16:53:06,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 16:53:06,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 16:53:06,863 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 16:53:06,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 16:53:06,864 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 16:53:06,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 16:53:06,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 16:53:06,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 16:53:06,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 16:53:06,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 16:53:06,867 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 16:53:06,867 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 16:53:06,868 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 16:53:06,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 16:53:06,868 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 16:53:06,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 16:53:06,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 16:53:06,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 16:53:06,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 16:53:06,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 16:53:06,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:53:06,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 16:53:06,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 16:53:06,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 16:53:06,872 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 16:53:06,873 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 16:53:06,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 16:53:06,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 16:53:06,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 16:53:06,874 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(__VERIFIER_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 -> 194cff8833bdef02e466ccd78bd00202eba4fac9 [2019-11-28 16:53:07,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 16:53:07,242 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 16:53:07,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 16:53:07,247 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 16:53:07,248 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 16:53:07,249 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2019-11-28 16:53:07,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69ca7e7a9/c8654082a12d48b285d930561592544f/FLAG06a15bbd8 [2019-11-28 16:53:07,864 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 16:53:07,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2019-11-28 16:53:07,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69ca7e7a9/c8654082a12d48b285d930561592544f/FLAG06a15bbd8 [2019-11-28 16:53:08,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69ca7e7a9/c8654082a12d48b285d930561592544f [2019-11-28 16:53:08,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 16:53:08,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 16:53:08,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 16:53:08,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 16:53:08,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 16:53:08,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:53:08" (1/1) ... [2019-11-28 16:53:08,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cfe3764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:53:08, skipping insertion in model container [2019-11-28 16:53:08,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:53:08" (1/1) ... [2019-11-28 16:53:08,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 16:53:08,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 16:53:08,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:53:08,739 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 16:53:08,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 16:53:08,900 INFO L208 MainTranslator]: Completed translation [2019-11-28 16:53:08,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:53:08 WrapperNode [2019-11-28 16:53:08,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 16:53:08,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 16:53:08,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 16:53:08,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 16:53:08,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:53:08" (1/1) ... [2019-11-28 16:53:08,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:53:08" (1/1) ... [2019-11-28 16:53:09,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 16:53:09,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 16:53:09,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 16:53:09,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 16:53:09,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:53:08" (1/1) ... [2019-11-28 16:53:09,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:53:08" (1/1) ... [2019-11-28 16:53:09,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:53:08" (1/1) ... [2019-11-28 16:53:09,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:53:08" (1/1) ... [2019-11-28 16:53:09,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:53:08" (1/1) ... [2019-11-28 16:53:09,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:53:08" (1/1) ... [2019-11-28 16:53:09,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:53:08" (1/1) ... [2019-11-28 16:53:09,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 16:53:09,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 16:53:09,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 16:53:09,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 16:53:09,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:53:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 16:53:09,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-11-28 16:53:09,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 16:53:09,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-28 16:53:09,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-28 16:53:09,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 16:53:09,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 16:53:09,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-28 16:53:09,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-28 16:53:09,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 16:53:29,608 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 16:53:29,609 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-28 16:53:29,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:53:29 BoogieIcfgContainer [2019-11-28 16:53:29,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 16:53:29,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 16:53:29,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 16:53:29,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 16:53:29,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:53:08" (1/3) ... [2019-11-28 16:53:29,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e0690ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:53:29, skipping insertion in model container [2019-11-28 16:53:29,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:53:08" (2/3) ... [2019-11-28 16:53:29,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e0690ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:53:29, skipping insertion in model container [2019-11-28 16:53:29,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:53:29" (3/3) ... [2019-11-28 16:53:29,623 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0870a.c [2019-11-28 16:53:29,640 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 16:53:29,651 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 16:53:29,672 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 16:53:29,724 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 16:53:29,724 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 16:53:29,725 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 16:53:29,725 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 16:53:29,726 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 16:53:29,726 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 16:53:29,726 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 16:53:29,727 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 16:53:29,768 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states. [2019-11-28 16:53:29,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-28 16:53:29,780 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:53:29,782 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:53:29,783 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:53:29,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:53:29,793 INFO L82 PathProgramCache]: Analyzing trace with hash 483165043, now seen corresponding path program 1 times [2019-11-28 16:53:29,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:53:29,816 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [298349604] [2019-11-28 16:53:29,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-28 16:53:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:53:31,781 INFO L264 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-28 16:53:31,788 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:53:31,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:53:31,806 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:53:31,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:53:31,814 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [298349604] [2019-11-28 16:53:31,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:53:31,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-28 16:53:31,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108627222] [2019-11-28 16:53:31,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 16:53:31,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:53:31,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 16:53:31,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:53:31,841 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 2 states. [2019-11-28 16:53:31,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:53:31,891 INFO L93 Difference]: Finished difference Result 397 states and 684 transitions. [2019-11-28 16:53:31,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 16:53:31,893 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-28 16:53:31,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:53:31,909 INFO L225 Difference]: With dead ends: 397 [2019-11-28 16:53:31,910 INFO L226 Difference]: Without dead ends: 196 [2019-11-28 16:53:31,915 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 16:53:31,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-11-28 16:53:31,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2019-11-28 16:53:31,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-11-28 16:53:31,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 256 transitions. [2019-11-28 16:53:31,979 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 256 transitions. Word has length 11 [2019-11-28 16:53:31,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:53:31,979 INFO L462 AbstractCegarLoop]: Abstraction has 196 states and 256 transitions. [2019-11-28 16:53:31,979 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 16:53:31,979 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 256 transitions. [2019-11-28 16:53:31,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-28 16:53:31,980 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:53:31,980 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:53:32,181 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 16:53:32,182 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:53:32,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:53:32,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1070268880, now seen corresponding path program 1 times [2019-11-28 16:53:32,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:53:32,185 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2098423370] [2019-11-28 16:53:32,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-28 16:53:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 16:53:33,279 INFO L264 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 16:53:33,282 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 16:53:33,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:53:33,463 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-11-28 16:53:33,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 16:53:33,646 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2098423370] [2019-11-28 16:53:33,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-28 16:53:33,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-28 16:53:33,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191371285] [2019-11-28 16:53:33,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-28 16:53:33,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-28 16:53:33,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-28 16:53:33,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-28 16:53:33,650 INFO L87 Difference]: Start difference. First operand 196 states and 256 transitions. Second operand 10 states. [2019-11-28 16:53:33,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 16:53:33,948 INFO L93 Difference]: Finished difference Result 201 states and 260 transitions. [2019-11-28 16:53:33,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 16:53:33,949 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 13 [2019-11-28 16:53:33,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 16:53:33,950 INFO L225 Difference]: With dead ends: 201 [2019-11-28 16:53:33,950 INFO L226 Difference]: Without dead ends: 16 [2019-11-28 16:53:33,952 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-11-28 16:53:33,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-28 16:53:33,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-28 16:53:33,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 16:53:33,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-28 16:53:33,956 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 13 [2019-11-28 16:53:33,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 16:53:33,956 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-28 16:53:33,956 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-28 16:53:33,957 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-28 16:53:33,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-28 16:53:33,957 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 16:53:33,957 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 16:53:34,171 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-28 16:53:34,172 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 16:53:34,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 16:53:34,173 INFO L82 PathProgramCache]: Analyzing trace with hash 753134645, now seen corresponding path program 1 times [2019-11-28 16:53:34,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 16:53:34,175 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585796508] [2019-11-28 16:53:34,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-28 16:53:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:53:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 16:53:37,175 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 16:53:37,176 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 16:53:37,383 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-28 16:53:37,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:53:37 BoogieIcfgContainer [2019-11-28 16:53:37,541 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 16:53:37,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 16:53:37,544 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 16:53:37,545 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 16:53:37,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:53:29" (3/4) ... [2019-11-28 16:53:37,549 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 16:53:37,744 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 16:53:37,744 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 16:53:37,746 INFO L168 Benchmark]: Toolchain (without parser) took 29548.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 72.9 MB). Free memory was 956.3 MB in the beginning and 761.9 MB in the end (delta: 194.4 MB). Peak memory consumption was 267.3 MB. Max. memory is 11.5 GB. [2019-11-28 16:53:37,747 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 16:53:37,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 72.9 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -89.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2019-11-28 16:53:37,749 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 16:53:37,749 INFO L168 Benchmark]: Boogie Preprocessor took 147.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 16:53:37,750 INFO L168 Benchmark]: RCFGBuilder took 20460.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 926.5 MB in the end (delta: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 11.5 GB. [2019-11-28 16:53:37,751 INFO L168 Benchmark]: TraceAbstraction took 7929.52 ms. Allocated memory is still 1.1 GB. Free memory was 926.5 MB in the beginning and 769.0 MB in the end (delta: 157.5 MB). Peak memory consumption was 157.5 MB. Max. memory is 11.5 GB. [2019-11-28 16:53:37,752 INFO L168 Benchmark]: Witness Printer took 201.41 ms. Allocated memory is still 1.1 GB. Free memory was 769.0 MB in the beginning and 761.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 16:53:37,754 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 704.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 72.9 MB). Free memory was 956.3 MB in the beginning and 1.0 GB in the end (delta: -89.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 147.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 20460.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 926.5 MB in the end (delta: 105.2 MB). Peak memory consumption was 105.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7929.52 ms. Allocated memory is still 1.1 GB. Free memory was 926.5 MB in the beginning and 769.0 MB in the end (delta: 157.5 MB). Peak memory consumption was 157.5 MB. Max. memory is 11.5 GB. * Witness Printer took 201.41 ms. Allocated memory is still 1.1 GB. Free memory was 769.0 MB in the beginning and 761.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 607]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L107] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L195-L197] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L265-L293] static const float bp_pow[] = { 1.0, 1.5, }, dp_h_pow[] = { 0.0, 5.84960938e-01, }, dp_l_pow[] = { 0.0, 1.56322085e-06, }, zero_pow = 0.0, one_pow = 1.0, two_pow = 2.0, two24_pow = 16777216.0, huge_pow = 1.0e30, tiny_pow = 1.0e-30, L1_pow = 6.0000002384e-01, L2_pow = 4.2857143283e-01, L3_pow = 3.3333334327e-01, L4_pow = 2.7272811532e-01, L5_pow = 2.3066075146e-01, L6_pow = 2.0697501302e-01, P1_pow = 1.6666667163e-01, P2_pow = -2.7777778450e-03, P3_pow = 6.6137559770e-05, P4_pow = -1.6533901999e-06, P5_pow = 4.1381369442e-08, lg2_pow = 6.9314718246e-01, lg2_h_pow = 6.93145752e-01, lg2_l_pow = 1.42860654e-06, ovt_pow = 4.2995665694e-08, cp = 9.6179670095e-01, cp_h_pow = 9.6179199219e-01, cp_l_pow = 4.7017383622e-06, ivln2_pow = 1.4426950216e+00, ivln2_h_pow = 1.4426879883e+00, ivln2_l_pow = 7.0526075433e-06; VAL [bp_pow={-4:0}, cp=0.9617919921875, cp=0.000004701738362200558, cp=0.9617967009544373, dp_h_pow={-2:0}, dp_l_pow={-5:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={2147483642:0}, zero_pow=0.0] [L598] float x = __VERIFIER_nondet_float(); [L599] float y = 0.0f / 0.0f; VAL [bp_pow={-4:0}, cp=0.9617967009544373, cp=0.000004701738362200558, cp=0.9617919921875, dp_h_pow={-2:0}, dp_l_pow={-5:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={2147483642:0}, zero_pow=0.0] [L601] COND TRUE x != 1.0f [L296] float z, ax, z_h, z_l, p_h, p_l; [L297] float y1, t1, t2, r, s, t, u, v, w; [L298] __int32_t i, j, k, yisint, n; [L299] __int32_t hx, hy, ix, iy, is; VAL [bp_pow={-4:0}, cp=0.9617919921875, cp=0.9617967009544373, cp=0.000004701738362200558, dp_h_pow={-2:0}, dp_l_pow={-5:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={2147483642:0}, zero_pow=0.0] [L302] ieee_float_shape_type gf_u; [L303] gf_u.value = (x) [L304] EXPR gf_u.word [L304] (hx) = gf_u.word [L307] ieee_float_shape_type gf_u; [L308] gf_u.value = (y) [L309] EXPR gf_u.word [L309] (hy) = gf_u.word [L311] ix = hx & 0x7fffffff [L312] iy = hy & 0x7fffffff VAL [bp_pow={-4:0}, cp=0.9617967009544373, cp=0.000004701738362200558, cp=0.9617919921875, dp_h_pow={-2:0}, dp_l_pow={-5:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={2147483642:0}, zero_pow=0.0] [L314] COND FALSE !(((iy) == 0)) VAL [bp_pow={-4:0}, cp=0.9617919921875, cp=0.000004701738362200558, cp=0.9617967009544373, dp_h_pow={-2:0}, dp_l_pow={-5:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={2147483642:0}, zero_pow=0.0] [L317] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) VAL [bp_pow={-4:0}, cp=0.9617919921875, cp=0.9617967009544373, cp=0.000004701738362200558, dp_h_pow={-2:0}, dp_l_pow={-5:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={2147483642:0}, zero_pow=0.0] [L318] COND TRUE ix == 0x3f800000 [L319] return one_pow; VAL [bp_pow={-4:0}, cp=0.9617967009544373, cp=0.000004701738362200558, cp=0.9617919921875, dp_h_pow={-2:0}, dp_l_pow={-5:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={2147483642:0}, zero_pow=0.0] [L603] float res = __ieee754_powf(x, y); [L587] return x != x; VAL [bp_pow={-4:0}, cp=0.000004701738362200558, cp=0.9617919921875, cp=0.9617967009544373, dp_h_pow={-2:0}, dp_l_pow={-5:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={2147483642:0}, zero_pow=0.0] [L606] COND TRUE !isnan_float(res) [L607] __VERIFIER_error() VAL [bp_pow={-4:0}, cp=0.9617967009544373, cp=0.000004701738362200558, cp=0.9617919921875, dp_h_pow={-2:0}, dp_l_pow={-5:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={2147483642:0}, zero_pow=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 200 locations, 1 error locations. Result: UNSAFE, OverallTime: 7.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 272 SDtfs, 61 SDslu, 17 SDs, 0 SdLazy, 9 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 11 QuantifiedInterpolants, 2252 SizeOfPredicates, 8 NumberOfNonLiveVariables, 208 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...