./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-esbmc-regression/nan.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-esbmc-regression/nan.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e02dda953fda6e28db6d2654d097947742b4f5d .................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/floats-esbmc-regression/nan.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e02dda953fda6e28db6d2654d097947742b4f5d .......................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 15:04:54,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:04:54,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:04:54,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:04:54,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:04:54,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:04:54,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:04:54,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:04:54,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:04:54,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:04:54,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:04:54,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:04:54,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:04:54,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:04:54,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:04:54,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:04:54,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:04:54,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:04:54,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:04:54,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:04:54,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:04:54,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:04:54,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:04:54,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:04:54,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:04:54,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:04:54,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:04:54,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:04:54,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:04:54,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:04:54,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:04:54,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:04:54,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:04:54,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:04:54,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:04:54,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:04:54,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:04:54,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:04:54,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:04:54,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:04:54,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:04:54,772 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 15:04:54,806 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:04:54,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:04:54,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:04:54,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:04:54,809 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:04:54,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:04:54,810 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:04:54,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 15:04:54,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:04:54,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:04:54,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:04:54,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:04:54,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:04:54,812 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:04:54,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:04:54,813 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:04:54,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:04:54,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:04:54,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:04:54,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:04:54,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:04:54,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:04:54,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:04:54,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:04:54,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:04:54,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 15:04:54,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 15:04:54,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:04:54,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:04:54,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e02dda953fda6e28db6d2654d097947742b4f5d [2020-12-02 15:04:55,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:04:55,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:04:55,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:04:55,250 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:04:55,251 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:04:55,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/nan.i [2020-12-02 15:04:55,336 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eed5b8ae1/7a6ff2f0ce924c4c9ad3facf7f9ddc63/FLAGad23d7d1f [2020-12-02 15:04:56,237 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:04:56,238 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/nan.i [2020-12-02 15:04:56,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eed5b8ae1/7a6ff2f0ce924c4c9ad3facf7f9ddc63/FLAGad23d7d1f [2020-12-02 15:04:56,455 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eed5b8ae1/7a6ff2f0ce924c4c9ad3facf7f9ddc63 [2020-12-02 15:04:56,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:04:56,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:04:56,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:04:56,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:04:56,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:04:56,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:04:56" (1/1) ... [2020-12-02 15:04:56,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cdb9b86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:04:56, skipping insertion in model container [2020-12-02 15:04:56,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:04:56" (1/1) ... [2020-12-02 15:04:56,482 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:04:56,582 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:04:57,186 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/nan.i[38357,38370] [2020-12-02 15:04:57,193 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:836) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1702) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$38(StandardFunctionHandler.java:355) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1400) 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:1339) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2900) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2759) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2071) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1095) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1044) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1422) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:578) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:201) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-02 15:04:57,209 INFO L168 Benchmark]: Toolchain (without parser) took 745.08 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 20.1 MB in the beginning and 41.4 MB in the end (delta: -21.3 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:04:57,211 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 44.0 MB. Free memory is still 29.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:04:57,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.50 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 19.9 MB in the beginning and 41.4 MB in the end (delta: -21.6 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2020-12-02 15:04:57,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 44.0 MB. Free memory is still 29.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 741.50 ms. Allocated memory was 44.0 MB in the beginning and 56.6 MB in the end (delta: 12.6 MB). Free memory was 19.9 MB in the beginning and 41.4 MB in the end (delta: -21.6 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:836) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 15:04:59,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 15:04:59,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 15:04:59,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 15:04:59,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 15:04:59,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 15:04:59,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 15:04:59,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 15:04:59,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 15:04:59,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 15:04:59,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 15:04:59,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 15:04:59,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 15:04:59,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 15:04:59,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 15:04:59,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 15:04:59,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 15:04:59,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 15:04:59,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 15:04:59,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 15:04:59,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 15:04:59,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 15:04:59,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 15:04:59,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 15:04:59,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 15:04:59,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 15:04:59,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 15:04:59,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 15:04:59,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 15:04:59,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 15:04:59,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 15:04:59,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 15:04:59,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 15:04:59,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 15:04:59,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 15:04:59,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 15:04:59,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 15:04:59,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 15:04:59,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 15:04:59,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 15:04:59,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 15:04:59,917 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 15:04:59,978 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 15:04:59,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 15:04:59,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 15:04:59,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 15:04:59,982 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 15:04:59,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 15:04:59,983 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 15:04:59,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 15:04:59,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 15:04:59,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 15:04:59,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 15:04:59,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 15:04:59,985 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 15:04:59,986 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 15:04:59,986 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 15:04:59,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 15:04:59,986 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 15:04:59,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 15:04:59,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 15:04:59,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 15:04:59,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 15:04:59,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 15:04:59,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:04:59,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 15:04:59,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 15:04:59,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 15:04:59,989 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 15:04:59,989 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 15:04:59,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 15:04:59,990 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 15:04:59,990 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 15:04:59,990 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e02dda953fda6e28db6d2654d097947742b4f5d [2020-12-02 15:05:00,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 15:05:00,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 15:05:00,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 15:05:00,515 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 15:05:00,516 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 15:05:00,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/nan.i [2020-12-02 15:05:00,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddd3ae4fb/0508be71c3fc494f9b498f99e228aafa/FLAG5fcaedf90 [2020-12-02 15:05:01,492 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 15:05:01,493 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/nan.i [2020-12-02 15:05:01,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddd3ae4fb/0508be71c3fc494f9b498f99e228aafa/FLAG5fcaedf90 [2020-12-02 15:05:01,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddd3ae4fb/0508be71c3fc494f9b498f99e228aafa [2020-12-02 15:05:01,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 15:05:01,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 15:05:01,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 15:05:01,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 15:05:01,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 15:05:01,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:05:01" (1/1) ... [2020-12-02 15:05:01,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cf457f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:01, skipping insertion in model container [2020-12-02 15:05:01,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:05:01" (1/1) ... [2020-12-02 15:05:01,784 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 15:05:01,847 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 15:05:02,463 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/nan.i[38357,38370] [2020-12-02 15:05:02,477 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:05:02,494 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 15:05:02,541 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/nan.i[38357,38370] [2020-12-02 15:05:02,545 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 15:05:02,888 INFO L217 MainTranslator]: Completed translation [2020-12-02 15:05:02,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:02 WrapperNode [2020-12-02 15:05:02,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 15:05:02,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 15:05:02,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 15:05:02,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 15:05:02,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:02" (1/1) ... [2020-12-02 15:05:02,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:02" (1/1) ... [2020-12-02 15:05:02,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 15:05:02,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 15:05:02,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 15:05:02,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 15:05:02,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:02" (1/1) ... [2020-12-02 15:05:02,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:02" (1/1) ... [2020-12-02 15:05:02,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:02" (1/1) ... [2020-12-02 15:05:02,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:02" (1/1) ... [2020-12-02 15:05:02,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:02" (1/1) ... [2020-12-02 15:05:02,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:02" (1/1) ... [2020-12-02 15:05:02,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:02" (1/1) ... [2020-12-02 15:05:02,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 15:05:02,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 15:05:02,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 15:05:02,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 15:05:02,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 15:05:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.float_to_bitvec_FLOAT [2020-12-02 15:05:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 15:05:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 15:05:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 15:05:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 15:05:03,473 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 15:05:03,475 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-02 15:05:03,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:05:03 BoogieIcfgContainer [2020-12-02 15:05:03,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 15:05:03,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 15:05:03,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 15:05:03,483 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 15:05:03,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:05:01" (1/3) ... [2020-12-02 15:05:03,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8228eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:05:03, skipping insertion in model container [2020-12-02 15:05:03,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:02" (2/3) ... [2020-12-02 15:05:03,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8228eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:05:03, skipping insertion in model container [2020-12-02 15:05:03,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:05:03" (3/3) ... [2020-12-02 15:05:03,487 INFO L111 eAbstractionObserver]: Analyzing ICFG nan.i [2020-12-02 15:05:03,504 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 15:05:03,509 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-02 15:05:03,524 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-02 15:05:03,567 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 15:05:03,568 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 15:05:03,568 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 15:05:03,568 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 15:05:03,568 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 15:05:03,568 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 15:05:03,568 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 15:05:03,569 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 15:05:03,585 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-12-02 15:05:03,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-02 15:05:03,593 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 15:05:03,594 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-02 15:05:03,594 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 15:05:03,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 15:05:03,602 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2020-12-02 15:05:03,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 15:05:03,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [488393040] [2020-12-02 15:05:03,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-02 15:05:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 15:05:03,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-02 15:05:03,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 15:05:03,896 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-02 15:05:03,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:05:03,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 15:05:03,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 15:05:03,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [488393040] [2020-12-02 15:05:03,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 15:05:03,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-12-02 15:05:03,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558625590] [2020-12-02 15:05:03,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-02 15:05:03,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 15:05:03,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-02 15:05:03,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-02 15:05:03,984 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 4 states. [2020-12-02 15:05:04,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 15:05:04,026 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2020-12-02 15:05:04,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-02 15:05:04,028 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-12-02 15:05:04,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 15:05:04,036 INFO L225 Difference]: With dead ends: 17 [2020-12-02 15:05:04,037 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 15:05:04,040 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-02 15:05:04,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 15:05:04,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 15:05:04,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 15:05:04,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 15:05:04,068 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-12-02 15:05:04,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 15:05:04,068 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 15:05:04,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-02 15:05:04,069 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 15:05:04,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 15:05:04,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 15:05:04,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 15:05:04,339 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 15:05:04,339 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1011) no Hoare annotation was computed. [2020-12-02 15:05:04,339 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 15:05:04,340 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 15:05:04,340 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 15:05:04,340 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1011) no Hoare annotation was computed. [2020-12-02 15:05:04,340 INFO L262 CegarLoopResult]: For program point L1011(line 1011) no Hoare annotation was computed. [2020-12-02 15:05:04,341 INFO L262 CegarLoopResult]: For program point L1011-1(line 1011) no Hoare annotation was computed. [2020-12-02 15:05:04,341 INFO L258 CegarLoopResult]: At program point L1011-3(line 1011) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-02 15:05:04,341 INFO L262 CegarLoopResult]: For program point L1011-4(line 1011) no Hoare annotation was computed. [2020-12-02 15:05:04,342 INFO L262 CegarLoopResult]: For program point L1011-5(line 1011) no Hoare annotation was computed. [2020-12-02 15:05:04,343 INFO L258 CegarLoopResult]: At program point L1011-7(lines 1 1022) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-12-02 15:05:04,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:05:04 BoogieIcfgContainer [2020-12-02 15:05:04,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 15:05:04,360 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 15:05:04,360 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 15:05:04,361 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 15:05:04,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:05:03" (3/4) ... [2020-12-02 15:05:04,365 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 15:05:04,378 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-02 15:05:04,378 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-02 15:05:04,378 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-02 15:05:04,379 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 15:05:04,379 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 15:05:04,423 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 15:05:04,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 15:05:04,425 INFO L168 Benchmark]: Toolchain (without parser) took 2672.92 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 23.2 MB in the beginning and 21.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:05:04,426 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 39.8 MB. Free memory was 23.3 MB in the beginning and 23.3 MB in the end (delta: 44.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 15:05:04,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1132.53 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 22.9 MB in the beginning and 18.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2020-12-02 15:05:04,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.00 ms. Allocated memory is still 58.7 MB. Free memory was 17.6 MB in the beginning and 15.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:05:04,429 INFO L168 Benchmark]: Boogie Preprocessor took 36.47 ms. Allocated memory is still 58.7 MB. Free memory was 15.4 MB in the beginning and 38.5 MB in the end (delta: -23.1 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. [2020-12-02 15:05:04,430 INFO L168 Benchmark]: RCFGBuilder took 484.95 ms. Allocated memory is still 58.7 MB. Free memory was 38.5 MB in the beginning and 25.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-02 15:05:04,431 INFO L168 Benchmark]: TraceAbstraction took 879.83 ms. Allocated memory is still 58.7 MB. Free memory was 25.5 MB in the beginning and 23.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.7 MB. Max. memory is 16.1 GB. [2020-12-02 15:05:04,431 INFO L168 Benchmark]: Witness Printer took 62.73 ms. Allocated memory is still 58.7 MB. Free memory was 23.9 MB in the beginning and 21.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-02 15:05:04,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 39.8 MB. Free memory was 23.3 MB in the beginning and 23.3 MB in the end (delta: 44.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1132.53 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 22.9 MB in the beginning and 18.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.00 ms. Allocated memory is still 58.7 MB. Free memory was 17.6 MB in the beginning and 15.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.47 ms. Allocated memory is still 58.7 MB. Free memory was 15.4 MB in the beginning and 38.5 MB in the end (delta: -23.1 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 484.95 ms. Allocated memory is still 58.7 MB. Free memory was 38.5 MB in the beginning and 25.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 879.83 ms. Allocated memory is still 58.7 MB. Free memory was 25.5 MB in the beginning and 23.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.7 MB. Max. memory is 16.1 GB. * Witness Printer took 62.73 ms. Allocated memory is still 58.7 MB. Free memory was 23.9 MB in the beginning and 21.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1011]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1011]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 8 SDslu, 1 SDs, 0 SdLazy, 2 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 4 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...