./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/nan.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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 7c523f8ac3bdea7f8266cb7330a323b670f57ee23af6e7ffca649560ce039bd3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 14:30:58,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 14:30:58,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 14:30:58,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 14:30:58,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 14:30:58,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 14:30:58,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 14:30:58,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 14:30:58,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 14:30:58,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 14:30:58,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 14:30:58,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 14:30:58,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 14:30:58,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 14:30:58,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 14:30:58,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 14:30:58,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 14:30:58,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 14:30:58,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 14:30:58,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 14:30:58,897 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 14:30:58,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 14:30:58,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 14:30:58,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 14:30:58,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 14:30:58,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 14:30:58,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 14:30:58,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 14:30:58,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 14:30:58,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 14:30:58,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 14:30:58,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 14:30:58,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 14:30:58,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 14:30:58,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 14:30:58,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 14:30:58,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 14:30:58,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 14:30:58,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 14:30:58,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 14:30:58,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 14:30:58,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 14:30:58,914 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 14:30:58,935 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 14:30:58,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 14:30:58,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 14:30:58,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 14:30:58,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 14:30:58,937 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 14:30:58,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 14:30:58,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 14:30:58,938 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 14:30:58,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 14:30:58,938 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 14:30:58,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 14:30:58,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 14:30:58,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 14:30:58,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 14:30:58,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 14:30:58,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 14:30:58,939 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 14:30:58,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 14:30:58,940 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 14:30:58,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 14:30:58,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 14:30:58,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 14:30:58,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 14:30:58,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:30:58,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 14:30:58,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 14:30:58,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 14:30:58,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 14:30:58,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 14:30:58,942 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 14:30:58,942 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 14:30:58,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 14:30:58,942 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c523f8ac3bdea7f8266cb7330a323b670f57ee23af6e7ffca649560ce039bd3 [2022-07-13 14:30:59,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 14:30:59,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 14:30:59,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 14:30:59,162 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 14:30:59,162 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 14:30:59,164 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/nan.i [2022-07-13 14:30:59,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2bf605dd/775e1a21a5fb407898cbd83dd5e5d302/FLAG0f50f0111 [2022-07-13 14:30:59,598 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 14:30:59,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/nan.i [2022-07-13 14:30:59,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2bf605dd/775e1a21a5fb407898cbd83dd5e5d302/FLAG0f50f0111 [2022-07-13 14:30:59,973 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2bf605dd/775e1a21a5fb407898cbd83dd5e5d302 [2022-07-13 14:30:59,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 14:30:59,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 14:30:59,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 14:30:59,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 14:30:59,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 14:30:59,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:30:59" (1/1) ... [2022-07-13 14:30:59,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dd1c108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:30:59, skipping insertion in model container [2022-07-13 14:30:59,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:30:59" (1/1) ... [2022-07-13 14:30:59,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 14:31:00,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 14:31:00,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/nan.i[38357,38370] [2022-07-13 14:31:00,344 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:837) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1784) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$46(StandardFunctionHandler.java:411) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1447) 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:1384) 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:2978) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2836) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2138) 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:1135) 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:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) 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:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-13 14:31:00,351 INFO L158 Benchmark]: Toolchain (without parser) took 374.15ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 88.2MB in the end (delta: -9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 14:31:00,352 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 87.6MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:31:00,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.70ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 88.2MB in the end (delta: -9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 14:31:00,354 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 87.6MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.70ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 88.2MB in the end (delta: -9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:837) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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 7c523f8ac3bdea7f8266cb7330a323b670f57ee23af6e7ffca649560ce039bd3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 14:31:01,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 14:31:01,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 14:31:01,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 14:31:01,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 14:31:01,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 14:31:01,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 14:31:01,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 14:31:01,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 14:31:01,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 14:31:01,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 14:31:01,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 14:31:01,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 14:31:01,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 14:31:01,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 14:31:01,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 14:31:01,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 14:31:01,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 14:31:01,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 14:31:01,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 14:31:01,794 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 14:31:01,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 14:31:01,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 14:31:01,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 14:31:01,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 14:31:01,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 14:31:01,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 14:31:01,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 14:31:01,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 14:31:01,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 14:31:01,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 14:31:01,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 14:31:01,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 14:31:01,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 14:31:01,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 14:31:01,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 14:31:01,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 14:31:01,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 14:31:01,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 14:31:01,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 14:31:01,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 14:31:01,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 14:31:01,816 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-13 14:31:01,840 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 14:31:01,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 14:31:01,841 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 14:31:01,841 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 14:31:01,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 14:31:01,842 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 14:31:01,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 14:31:01,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 14:31:01,843 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 14:31:01,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 14:31:01,843 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 14:31:01,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 14:31:01,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 14:31:01,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 14:31:01,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 14:31:01,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 14:31:01,844 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 14:31:01,844 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 14:31:01,845 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 14:31:01,845 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 14:31:01,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 14:31:01,845 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 14:31:01,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 14:31:01,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 14:31:01,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 14:31:01,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 14:31:01,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:31:01,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 14:31:01,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 14:31:01,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 14:31:01,846 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 14:31:01,847 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 14:31:01,847 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 14:31:01,847 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 14:31:01,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 14:31:01,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 14:31:01,847 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c523f8ac3bdea7f8266cb7330a323b670f57ee23af6e7ffca649560ce039bd3 [2022-07-13 14:31:02,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 14:31:02,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 14:31:02,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 14:31:02,100 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 14:31:02,100 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 14:31:02,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/nan.i [2022-07-13 14:31:02,146 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c1ca5c9/014a9eaf5ecd4641b8de12f4653b13fd/FLAG5caea6c4b [2022-07-13 14:31:02,562 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 14:31:02,565 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/nan.i [2022-07-13 14:31:02,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c1ca5c9/014a9eaf5ecd4641b8de12f4653b13fd/FLAG5caea6c4b [2022-07-13 14:31:02,913 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3c1ca5c9/014a9eaf5ecd4641b8de12f4653b13fd [2022-07-13 14:31:02,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 14:31:02,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 14:31:02,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 14:31:02,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 14:31:02,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 14:31:02,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:31:02" (1/1) ... [2022-07-13 14:31:02,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c2f912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:02, skipping insertion in model container [2022-07-13 14:31:02,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:31:02" (1/1) ... [2022-07-13 14:31:02,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 14:31:02,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 14:31:03,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/nan.i[38357,38370] [2022-07-13 14:31:03,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:31:03,267 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 14:31:03,290 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/nan.i[38357,38370] [2022-07-13 14:31:03,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:31:03,385 INFO L208 MainTranslator]: Completed translation [2022-07-13 14:31:03,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:03 WrapperNode [2022-07-13 14:31:03,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 14:31:03,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 14:31:03,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 14:31:03,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 14:31:03,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:03" (1/1) ... [2022-07-13 14:31:03,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:03" (1/1) ... [2022-07-13 14:31:03,434 INFO L137 Inliner]: procedures = 455, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-07-13 14:31:03,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 14:31:03,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 14:31:03,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 14:31:03,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 14:31:03,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:03" (1/1) ... [2022-07-13 14:31:03,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:03" (1/1) ... [2022-07-13 14:31:03,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:03" (1/1) ... [2022-07-13 14:31:03,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:03" (1/1) ... [2022-07-13 14:31:03,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:03" (1/1) ... [2022-07-13 14:31:03,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:03" (1/1) ... [2022-07-13 14:31:03,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:03" (1/1) ... [2022-07-13 14:31:03,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 14:31:03,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 14:31:03,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 14:31:03,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 14:31:03,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:03" (1/1) ... [2022-07-13 14:31:03,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:31:03,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 14:31:03,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 14:31:03,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 14:31:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 14:31:03,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-07-13 14:31:03,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-07-13 14:31:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 14:31:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 14:31:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 14:31:03,572 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 14:31:03,573 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 14:31:03,620 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 14:31:03,624 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 14:31:03,624 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 14:31:03,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:31:03 BoogieIcfgContainer [2022-07-13 14:31:03,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 14:31:03,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 14:31:03,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 14:31:03,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 14:31:03,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:31:02" (1/3) ... [2022-07-13 14:31:03,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d6f860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:31:03, skipping insertion in model container [2022-07-13 14:31:03,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:31:03" (2/3) ... [2022-07-13 14:31:03,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22d6f860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:31:03, skipping insertion in model container [2022-07-13 14:31:03,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:31:03" (3/3) ... [2022-07-13 14:31:03,630 INFO L111 eAbstractionObserver]: Analyzing ICFG nan.i [2022-07-13 14:31:03,639 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 14:31:03,639 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 14:31:03,678 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 14:31:03,686 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@177bf509, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@175b7e66 [2022-07-13 14:31:03,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 14:31:03,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-13 14:31:03,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-13 14:31:03,713 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:31:03,714 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-13 14:31:03,714 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:31:03,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:31:03,717 INFO L85 PathProgramCache]: Analyzing trace with hash 889955578, now seen corresponding path program 1 times [2022-07-13 14:31:03,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:31:03,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270526349] [2022-07-13 14:31:03,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:31:03,725 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:31:03,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:31:03,728 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:31:03,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-13 14:31:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:31:03,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 14:31:03,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:31:03,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:31:03,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:31:03,925 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:31:03,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270526349] [2022-07-13 14:31:03,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270526349] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:31:03,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:31:03,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 14:31:03,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104901836] [2022-07-13 14:31:03,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:31:03,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 14:31:03,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:31:03,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 14:31:03,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 14:31:03,962 INFO L87 Difference]: Start difference. First operand has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:31:03,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:31:03,996 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2022-07-13 14:31:04,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 14:31:04,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-07-13 14:31:04,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:31:04,006 INFO L225 Difference]: With dead ends: 29 [2022-07-13 14:31:04,006 INFO L226 Difference]: Without dead ends: 13 [2022-07-13 14:31:04,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-13 14:31:04,021 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 5 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:31:04,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 39 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2022-07-13 14:31:04,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-07-13 14:31:04,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-07-13 14:31:04,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.0) internal successors, (9), 9 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:31:04,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2022-07-13 14:31:04,044 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 6 [2022-07-13 14:31:04,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:31:04,045 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2022-07-13 14:31:04,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:31:04,045 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2022-07-13 14:31:04,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-13 14:31:04,046 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:31:04,046 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 14:31:04,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-13 14:31:04,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:31:04,255 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:31:04,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:31:04,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1536413854, now seen corresponding path program 1 times [2022-07-13 14:31:04,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:31:04,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [331246609] [2022-07-13 14:31:04,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:31:04,256 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:31:04,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:31:04,258 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 14:31:04,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-13 14:31:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:31:04,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 14:31:04,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:31:04,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 14:31:04,368 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:31:04,368 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:31:04,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [331246609] [2022-07-13 14:31:04,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [331246609] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:31:04,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:31:04,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 14:31:04,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711076314] [2022-07-13 14:31:04,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:31:04,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 14:31:04,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:31:04,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 14:31:04,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 14:31:04,370 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:31:04,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:31:04,384 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2022-07-13 14:31:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 14:31:04,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-07-13 14:31:04,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:31:04,385 INFO L225 Difference]: With dead ends: 13 [2022-07-13 14:31:04,385 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 14:31:04,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-13 14:31:04,386 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:31:04,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 27 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2022-07-13 14:31:04,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 14:31:04,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 14:31:04,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:31:04,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 14:31:04,388 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2022-07-13 14:31:04,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:31:04,388 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 14:31:04,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 14:31:04,388 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 14:31:04,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 14:31:04,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 14:31:04,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-13 14:31:04,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 14:31:04,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 14:31:04,607 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 14:31:04,607 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 14:31:04,607 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 14:31:04,607 INFO L895 garLoopResultBuilder]: At program point L1021(line 1021) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~f2~0#1| ((_ to_fp 8 24) currentRoundingMode (_ NaN 11 53)))) [2022-07-13 14:31:04,607 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 14:31:04,607 INFO L899 garLoopResultBuilder]: For program point L1021-1(lines 1015 1022) no Hoare annotation was computed. [2022-07-13 14:31:04,608 INFO L895 garLoopResultBuilder]: At program point L1018(line 1018) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~f1~0#1| ((_ to_fp 8 24) currentRoundingMode (_ NaN 11 53)))) [2022-07-13 14:31:04,608 INFO L899 garLoopResultBuilder]: For program point L1018-1(line 1018) no Hoare annotation was computed. [2022-07-13 14:31:04,608 INFO L899 garLoopResultBuilder]: For program point L1011-3(line 1011) no Hoare annotation was computed. [2022-07-13 14:31:04,608 INFO L902 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(line 1011) the Hoare annotation is: true [2022-07-13 14:31:04,608 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(line 1011) no Hoare annotation was computed. [2022-07-13 14:31:04,608 INFO L899 garLoopResultBuilder]: For program point L1011(line 1011) no Hoare annotation was computed. [2022-07-13 14:31:04,608 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1011) no Hoare annotation was computed. [2022-07-13 14:31:04,608 INFO L899 garLoopResultBuilder]: For program point L1011-1(line 1011) no Hoare annotation was computed. [2022-07-13 14:31:04,610 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-13 14:31:04,611 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 14:31:04,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 02:31:04 BoogieIcfgContainer [2022-07-13 14:31:04,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 14:31:04,614 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 14:31:04,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 14:31:04,614 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 14:31:04,615 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:31:03" (3/4) ... [2022-07-13 14:31:04,616 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 14:31:04,620 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-07-13 14:31:04,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-07-13 14:31:04,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-07-13 14:31:04,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-07-13 14:31:04,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 14:31:04,622 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 14:31:04,645 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 14:31:04,645 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 14:31:04,645 INFO L158 Benchmark]: Toolchain (without parser) took 1730.15ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 35.5MB in the beginning and 36.7MB in the end (delta: -1.2MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-07-13 14:31:04,646 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:31:04,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.08ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 35.3MB in the beginning and 42.4MB in the end (delta: -7.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-13 14:31:04,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.66ms. Allocated memory is still 75.5MB. Free memory was 42.1MB in the beginning and 39.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 14:31:04,646 INFO L158 Benchmark]: Boogie Preprocessor took 31.66ms. Allocated memory is still 75.5MB. Free memory was 39.7MB in the beginning and 38.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:31:04,646 INFO L158 Benchmark]: RCFGBuilder took 158.06ms. Allocated memory is still 75.5MB. Free memory was 38.6MB in the beginning and 49.6MB in the end (delta: -11.0MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2022-07-13 14:31:04,646 INFO L158 Benchmark]: TraceAbstraction took 987.46ms. Allocated memory is still 75.5MB. Free memory was 49.1MB in the beginning and 39.2MB in the end (delta: 9.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-07-13 14:31:04,647 INFO L158 Benchmark]: Witness Printer took 30.86ms. Allocated memory is still 75.5MB. Free memory was 38.8MB in the beginning and 36.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 14:31:04,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.08ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 35.3MB in the beginning and 42.4MB in the end (delta: -7.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.66ms. Allocated memory is still 75.5MB. Free memory was 42.1MB in the beginning and 39.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.66ms. Allocated memory is still 75.5MB. Free memory was 39.7MB in the beginning and 38.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 158.06ms. Allocated memory is still 75.5MB. Free memory was 38.6MB in the beginning and 49.6MB in the end (delta: -11.0MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * TraceAbstraction took 987.46ms. Allocated memory is still 75.5MB. Free memory was 49.1MB in the beginning and 39.2MB in the end (delta: 9.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Witness Printer took 30.86ms. Allocated memory is still 75.5MB. Free memory was 38.8MB in the beginning and 36.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1011]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 9 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 5 PreInvPairs, 6 NumberOfFragments, 13 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 2 QuantifiedInterpolants, 34 SizeOfPredicates, 4 NumberOfNonLiveVariables, 60 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-07-13 14:31:04,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE