./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab 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/floats-cbmc-regression/float-to-double1.i -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 c136c8e0a6da9b319fcfd35b2efbb1a6d62dd3a5 .................................................................................................................................................................... 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/floats-cbmc-regression/float-to-double1.i -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 c136c8e0a6da9b319fcfd35b2efbb1a6d62dd3a5 ........................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:34:20,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:34:20,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:34:20,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:34:20,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:34:20,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:34:20,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:34:20,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:34:20,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:34:20,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:34:20,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:34:20,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:34:20,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:34:20,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:34:20,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:34:20,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:34:20,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:34:20,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:34:20,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:34:20,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:34:20,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:34:20,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:34:20,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:34:20,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:34:20,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:34:20,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:34:20,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:34:20,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:34:20,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:34:20,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:34:20,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:34:20,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:34:20,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:34:20,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:34:20,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:34:20,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:34:20,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:34:20,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:34:20,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:34:20,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:34:20,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:34:20,863 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:34:20,878 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:34:20,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:34:20,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:34:20,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:34:20,881 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:34:20,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:34:20,881 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:34:20,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:34:20,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:34:20,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:34:20,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:34:20,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:34:20,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:34:20,883 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:34:20,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:34:20,884 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:34:20,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:34:20,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:34:20,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:34:20,885 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:34:20,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:34:20,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:34:20,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:34:20,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:34:20,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:34:20,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:34:20,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:34:20,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:34:20,888 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 -> c136c8e0a6da9b319fcfd35b2efbb1a6d62dd3a5 [2019-11-27 23:34:21,245 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:34:21,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:34:21,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:34:21,265 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:34:21,266 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:34:21,266 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2019-11-27 23:34:21,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e9ad752c/c93591f5232f48768988758a07b8cf91/FLAG5e6c691f5 [2019-11-27 23:34:21,918 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:34:21,919 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2019-11-27 23:34:21,934 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e9ad752c/c93591f5232f48768988758a07b8cf91/FLAG5e6c691f5 [2019-11-27 23:34:22,196 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e9ad752c/c93591f5232f48768988758a07b8cf91 [2019-11-27 23:34:22,200 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:34:22,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:34:22,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:34:22,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:34:22,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:34:22,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:34:22" (1/1) ... [2019-11-27 23:34:22,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7293104a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:22, skipping insertion in model container [2019-11-27 23:34:22,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:34:22" (1/1) ... [2019-11-27 23:34:22,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:34:22,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:34:22,931 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1645) 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.visit(CHandler.java:1064) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:697) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:698) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1553) 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:3464) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2282) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-27 23:34:22,943 INFO L168 Benchmark]: Toolchain (without parser) took 739.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -135.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:22,944 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:34:22,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -135.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:22,949 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 736.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -135.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:34:24,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:34:24,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:34:24,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:34:24,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:34:24,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:34:24,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:34:24,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:34:24,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:34:24,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:34:24,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:34:24,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:34:24,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:34:24,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:34:24,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:34:24,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:34:24,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:34:24,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:34:24,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:34:24,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:34:24,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:34:24,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:34:24,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:34:24,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:34:24,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:34:24,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:34:24,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:34:24,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:34:24,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:34:24,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:34:24,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:34:24,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:34:24,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:34:24,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:34:24,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:34:24,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:34:24,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:34:24,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:34:24,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:34:24,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:34:24,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:34:24,731 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:34:24,747 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:34:24,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:34:24,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:34:24,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:34:24,749 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:34:24,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:34:24,750 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:34:24,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:34:24,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:34:24,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:34:24,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:34:24,753 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:34:24,753 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:34:24,753 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:34:24,754 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:34:24,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:34:24,754 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:34:24,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:34:24,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:34:24,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:34:24,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:34:24,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:34:24,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:34:24,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:34:24,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:34:24,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:34:24,757 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:34:24,758 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:34:24,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:34:24,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:34:24,759 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 -> c136c8e0a6da9b319fcfd35b2efbb1a6d62dd3a5 [2019-11-27 23:34:25,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:34:25,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:34:25,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:34:25,105 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:34:25,106 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:34:25,107 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2019-11-27 23:34:25,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5900c2030/02d75918092c4369b3efbc8f820e8a06/FLAG316ebc4ff [2019-11-27 23:34:25,757 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:34:25,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-to-double1.i [2019-11-27 23:34:25,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5900c2030/02d75918092c4369b3efbc8f820e8a06/FLAG316ebc4ff [2019-11-27 23:34:26,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5900c2030/02d75918092c4369b3efbc8f820e8a06 [2019-11-27 23:34:26,016 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:34:26,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:34:26,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:34:26,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:34:26,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:34:26,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:34:26" (1/1) ... [2019-11-27 23:34:26,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@609e3c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:26, skipping insertion in model container [2019-11-27 23:34:26,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:34:26" (1/1) ... [2019-11-27 23:34:26,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:34:26,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:34:26,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:34:26,710 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:34:26,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:34:27,115 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:34:27,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:27 WrapperNode [2019-11-27 23:34:27,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:34:27,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:34:27,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:34:27,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:34:27,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:27" (1/1) ... [2019-11-27 23:34:27,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:27" (1/1) ... [2019-11-27 23:34:27,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:34:27,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:34:27,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:34:27,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:34:27,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:27" (1/1) ... [2019-11-27 23:34:27,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:27" (1/1) ... [2019-11-27 23:34:27,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:27" (1/1) ... [2019-11-27 23:34:27,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:27" (1/1) ... [2019-11-27 23:34:27,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:27" (1/1) ... [2019-11-27 23:34:27,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:27" (1/1) ... [2019-11-27 23:34:27,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:27" (1/1) ... [2019-11-27 23:34:27,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:34:27,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:34:27,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:34:27,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:34:27,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:27" (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 [2019-11-27 23:34:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:34:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:34:27,946 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:34:27,947 INFO L297 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-27 23:34:27,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:34:27 BoogieIcfgContainer [2019-11-27 23:34:27,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:34:27,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:34:27,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:34:27,953 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:34:27,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:34:26" (1/3) ... [2019-11-27 23:34:27,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d31bbc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:34:27, skipping insertion in model container [2019-11-27 23:34:27,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:34:27" (2/3) ... [2019-11-27 23:34:27,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d31bbc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:34:27, skipping insertion in model container [2019-11-27 23:34:27,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:34:27" (3/3) ... [2019-11-27 23:34:27,957 INFO L109 eAbstractionObserver]: Analyzing ICFG float-to-double1.i [2019-11-27 23:34:27,967 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:34:27,975 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:34:27,988 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:34:28,015 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:34:28,015 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:34:28,015 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:34:28,016 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:34:28,016 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:34:28,016 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:34:28,016 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:34:28,017 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:34:28,029 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-27 23:34:28,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-27 23:34:28,034 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:34:28,035 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-27 23:34:28,035 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:34:28,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:34:28,042 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2019-11-27 23:34:28,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:34:28,055 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [119767512] [2019-11-27 23:34:28,055 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 [2019-11-27 23:34:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:34:28,374 WARN L253 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-27 23:34:28,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:34:29,266 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-11-27 23:34:30,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:34:30,206 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:34:32,712 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:34:34,764 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~f~0_6 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode v_ULTIMATE.start_main_~f~0_6)))) (or (fp.isNaN .cse0) (fp.eq v_ULTIMATE.start_main_~f~0_6 .cse0)))) (forall ((v_ULTIMATE.start_main_~f~0_6 (_ FloatingPoint 8 24))) (or (fp.isNaN v_ULTIMATE.start_main_~f~0_6) (fp.eq v_ULTIMATE.start_main_~f~0_6 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode v_ULTIMATE.start_main_~f~0_6)))))) is different from false [2019-11-27 23:34:36,795 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~f~0_6 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode v_ULTIMATE.start_main_~f~0_6)))) (or (fp.isNaN .cse0) (fp.eq v_ULTIMATE.start_main_~f~0_6 .cse0)))) (forall ((v_ULTIMATE.start_main_~f~0_6 (_ FloatingPoint 8 24))) (or (fp.isNaN v_ULTIMATE.start_main_~f~0_6) (fp.eq v_ULTIMATE.start_main_~f~0_6 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode v_ULTIMATE.start_main_~f~0_6)))))) is different from true [2019-11-27 23:34:36,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:34:36,798 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [119767512] [2019-11-27 23:34:36,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:34:36,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-11-27 23:34:36,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804070601] [2019-11-27 23:34:36,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-27 23:34:36,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:34:36,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-27 23:34:36,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=12, Unknown=3, NotChecked=6, Total=30 [2019-11-27 23:34:36,825 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 6 states. [2019-11-27 23:34:38,853 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~f~0_6 (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode v_ULTIMATE.start_main_~f~0_6)))) (or (fp.isNaN .cse0) (fp.eq v_ULTIMATE.start_main_~f~0_6 .cse0)))) (forall ((v_ULTIMATE.start_main_~f~0_6 (_ FloatingPoint 8 24))) (or (fp.isNaN v_ULTIMATE.start_main_~f~0_6) (fp.eq v_ULTIMATE.start_main_~f~0_6 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode v_ULTIMATE.start_main_~f~0_6))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2019-11-27 23:34:42,555 WARN L192 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 12 DAG size of output: 6 [2019-11-27 23:34:42,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:34:42,767 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2019-11-27 23:34:42,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-27 23:34:42,781 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2019-11-27 23:34:42,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:34:42,786 INFO L225 Difference]: With dead ends: 11 [2019-11-27 23:34:42,786 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:34:42,789 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=15, Invalid=19, Unknown=4, NotChecked=18, Total=56 [2019-11-27 23:34:42,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:34:42,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:34:42,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:34:42,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:34:42,815 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-11-27 23:34:42,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:34:42,816 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:34:42,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-27 23:34:42,816 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:34:42,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:34:43,029 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:34:43,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:34:43,038 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:34:43,038 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:34:43,038 INFO L246 CegarLoopResult]: For program point L958(lines 958 966) no Hoare annotation was computed. [2019-11-27 23:34:43,039 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:34:43,039 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:34:43,039 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 965) no Hoare annotation was computed. [2019-11-27 23:34:43,039 INFO L246 CegarLoopResult]: For program point L965(line 965) no Hoare annotation was computed. [2019-11-27 23:34:43,039 INFO L246 CegarLoopResult]: For program point L965-1(line 965) no Hoare annotation was computed. [2019-11-27 23:34:43,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:34:43 BoogieIcfgContainer [2019-11-27 23:34:43,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:34:43,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:34:43,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:34:43,045 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:34:43,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:34:27" (3/4) ... [2019-11-27 23:34:43,049 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:34:43,060 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-27 23:34:43,060 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-27 23:34:43,061 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-27 23:34:43,097 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:34:43,098 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:34:43,100 INFO L168 Benchmark]: Toolchain (without parser) took 17082.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 960.4 MB in the beginning and 953.5 MB in the end (delta: 6.9 MB). Peak memory consumption was 132.2 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:43,101 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-27 23:34:43,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1097.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -52.3 MB). Peak memory consumption was 83.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:43,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:34:43,103 INFO L168 Benchmark]: Boogie Preprocessor took 44.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:34:43,104 INFO L168 Benchmark]: RCFGBuilder took 701.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 988.6 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:43,105 INFO L168 Benchmark]: TraceAbstraction took 15095.20 ms. Allocated memory is still 1.2 GB. Free memory was 988.6 MB in the beginning and 960.2 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:43,106 INFO L168 Benchmark]: Witness Printer took 53.02 ms. Allocated memory is still 1.2 GB. Free memory was 960.2 MB in the beginning and 953.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:34:43,110 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 1097.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 955.0 MB in the beginning and 1.0 GB in the end (delta: -52.3 MB). Peak memory consumption was 83.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 701.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 988.6 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15095.20 ms. Allocated memory is still 1.2 GB. Free memory was 988.6 MB in the beginning and 960.2 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * Witness Printer took 53.02 ms. Allocated memory is still 1.2 GB. Free memory was 960.2 MB in the beginning and 953.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 965]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Result: SAFE, OverallTime: 15.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3 SDtfs, 6 SDslu, 4 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 1 QuantifiedInterpolants, 144 SizeOfPredicates, 4 NumberOfNonLiveVariables, 9 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...