./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float19.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-cbmc-regression/float19.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 4d73edf9e70d6220eab5fbfa0799f819d52b18e0e5cf372f100f5a7defb0824d --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 14:05:37,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 14:05:37,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 14:05:37,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 14:05:37,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 14:05:37,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 14:05:37,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 14:05:37,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 14:05:37,842 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 14:05:37,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 14:05:37,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 14:05:37,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 14:05:37,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 14:05:37,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 14:05:37,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 14:05:37,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 14:05:37,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 14:05:37,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 14:05:37,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 14:05:37,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 14:05:37,860 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 14:05:37,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 14:05:37,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 14:05:37,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 14:05:37,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 14:05:37,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 14:05:37,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 14:05:37,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 14:05:37,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 14:05:37,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 14:05:37,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 14:05:37,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 14:05:37,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 14:05:37,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 14:05:37,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 14:05:37,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 14:05:37,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 14:05:37,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 14:05:37,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 14:05:37,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 14:05:37,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 14:05:37,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 14:05:37,877 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 14:05:37,894 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 14:05:37,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 14:05:37,894 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 14:05:37,894 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 14:05:37,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 14:05:37,895 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 14:05:37,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 14:05:37,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 14:05:37,895 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 14:05:37,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 14:05:37,896 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 14:05:37,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 14:05:37,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 14:05:37,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 14:05:37,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 14:05:37,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 14:05:37,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 14:05:37,897 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 14:05:37,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 14:05:37,898 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 14:05:37,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 14:05:37,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 14:05:37,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 14:05:37,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 14:05:37,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:05:37,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 14:05:37,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 14:05:37,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 14:05:37,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 14:05:37,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 14:05:37,900 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 14:05:37,900 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 14:05:37,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 14:05:37,901 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d73edf9e70d6220eab5fbfa0799f819d52b18e0e5cf372f100f5a7defb0824d [2022-07-13 14:05:38,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 14:05:38,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 14:05:38,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 14:05:38,091 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 14:05:38,092 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 14:05:38,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float19.i [2022-07-13 14:05:38,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81972c1e/96e92b2d7f374215849b8b4222489ddf/FLAGb915a6b7f [2022-07-13 14:05:38,589 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 14:05:38,589 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float19.i [2022-07-13 14:05:38,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81972c1e/96e92b2d7f374215849b8b4222489ddf/FLAGb915a6b7f [2022-07-13 14:05:38,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f81972c1e/96e92b2d7f374215849b8b4222489ddf [2022-07-13 14:05:38,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 14:05:38,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 14:05:38,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 14:05:38,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 14:05:38,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 14:05:38,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:05:38" (1/1) ... [2022-07-13 14:05:38,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec101ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:05:38, skipping insertion in model container [2022-07-13 14:05:38,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:05:38" (1/1) ... [2022-07-13 14:05:38,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 14:05:38,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 14:05:38,983 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:848) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1792) 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:1120) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1619) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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 14:05:38,990 INFO L158 Benchmark]: Toolchain (without parser) took 365.57ms. Allocated memory is still 98.6MB. Free memory was 63.6MB in the beginning and 71.2MB in the end (delta: -7.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 14:05:38,991 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 98.6MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:05:38,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.11ms. Allocated memory is still 98.6MB. Free memory was 63.5MB in the beginning and 71.6MB in the end (delta: -8.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 14:05:38,994 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 98.6MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.11ms. Allocated memory is still 98.6MB. Free memory was 63.5MB in the beginning and 71.6MB in the end (delta: -8.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:848) 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-cbmc-regression/float19.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 4d73edf9e70d6220eab5fbfa0799f819d52b18e0e5cf372f100f5a7defb0824d --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 14:05:40,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 14:05:40,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 14:05:40,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 14:05:40,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 14:05:40,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 14:05:40,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 14:05:40,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 14:05:40,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 14:05:40,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 14:05:40,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 14:05:40,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 14:05:40,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 14:05:40,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 14:05:40,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 14:05:40,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 14:05:40,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 14:05:40,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 14:05:40,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 14:05:40,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 14:05:40,547 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 14:05:40,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 14:05:40,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 14:05:40,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 14:05:40,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 14:05:40,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 14:05:40,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 14:05:40,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 14:05:40,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 14:05:40,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 14:05:40,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 14:05:40,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 14:05:40,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 14:05:40,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 14:05:40,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 14:05:40,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 14:05:40,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 14:05:40,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 14:05:40,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 14:05:40,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 14:05:40,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 14:05:40,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 14:05:40,567 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-13 14:05:40,593 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 14:05:40,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 14:05:40,594 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 14:05:40,594 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 14:05:40,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 14:05:40,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 14:05:40,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 14:05:40,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 14:05:40,596 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 14:05:40,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 14:05:40,597 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 14:05:40,597 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 14:05:40,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 14:05:40,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 14:05:40,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 14:05:40,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 14:05:40,598 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 14:05:40,598 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 14:05:40,598 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 14:05:40,598 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 14:05:40,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 14:05:40,598 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 14:05:40,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 14:05:40,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 14:05:40,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 14:05:40,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 14:05:40,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:05:40,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 14:05:40,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 14:05:40,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 14:05:40,600 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 14:05:40,600 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 14:05:40,600 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 14:05:40,600 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 14:05:40,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 14:05:40,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 14:05:40,601 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d73edf9e70d6220eab5fbfa0799f819d52b18e0e5cf372f100f5a7defb0824d [2022-07-13 14:05:40,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 14:05:40,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 14:05:40,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 14:05:40,856 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 14:05:40,857 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 14:05:40,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float19.i [2022-07-13 14:05:40,916 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/769f28cbb/db4d458a4cf94191980a8e23dc0fcf1d/FLAG1a24a1830 [2022-07-13 14:05:41,340 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 14:05:41,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float19.i [2022-07-13 14:05:41,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/769f28cbb/db4d458a4cf94191980a8e23dc0fcf1d/FLAG1a24a1830 [2022-07-13 14:05:41,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/769f28cbb/db4d458a4cf94191980a8e23dc0fcf1d [2022-07-13 14:05:41,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 14:05:41,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 14:05:41,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 14:05:41,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 14:05:41,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 14:05:41,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:05:41" (1/1) ... [2022-07-13 14:05:41,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a4b53a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:05:41, skipping insertion in model container [2022-07-13 14:05:41,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 02:05:41" (1/1) ... [2022-07-13 14:05:41,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 14:05:41,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 14:05:41,716 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-cbmc-regression/float19.i[40839,40852] [2022-07-13 14:05:41,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:05:41,728 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 14:05:41,752 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-cbmc-regression/float19.i[40839,40852] [2022-07-13 14:05:41,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 14:05:41,851 INFO L208 MainTranslator]: Completed translation [2022-07-13 14:05:41,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:05:41 WrapperNode [2022-07-13 14:05:41,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 14:05:41,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 14:05:41,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 14:05:41,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 14:05:41,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:05:41" (1/1) ... [2022-07-13 14:05:41,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:05:41" (1/1) ... [2022-07-13 14:05:41,902 INFO L137 Inliner]: procedures = 449, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 20 [2022-07-13 14:05:41,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 14:05:41,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 14:05:41,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 14:05:41,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 14:05:41,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:05:41" (1/1) ... [2022-07-13 14:05:41,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:05:41" (1/1) ... [2022-07-13 14:05:41,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:05:41" (1/1) ... [2022-07-13 14:05:41,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:05:41" (1/1) ... [2022-07-13 14:05:41,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:05:41" (1/1) ... [2022-07-13 14:05:41,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:05:41" (1/1) ... [2022-07-13 14:05:41,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:05:41" (1/1) ... [2022-07-13 14:05:41,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 14:05:41,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 14:05:41,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 14:05:41,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 14:05:41,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:05:41" (1/1) ... [2022-07-13 14:05:41,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 14:05:41,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 14:05:41,958 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 14:05:41,963 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 14:05:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 14:05:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 14:05:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 14:05:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 14:05:42,055 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 14:05:42,057 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 14:05:42,248 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 14:05:42,252 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 14:05:42,252 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 14:05:42,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:05:42 BoogieIcfgContainer [2022-07-13 14:05:42,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 14:05:42,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 14:05:42,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 14:05:42,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 14:05:42,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 02:05:41" (1/3) ... [2022-07-13 14:05:42,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc0bb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:05:42, skipping insertion in model container [2022-07-13 14:05:42,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 02:05:41" (2/3) ... [2022-07-13 14:05:42,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cc0bb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 02:05:42, skipping insertion in model container [2022-07-13 14:05:42,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:05:42" (3/3) ... [2022-07-13 14:05:42,261 INFO L111 eAbstractionObserver]: Analyzing ICFG float19.i [2022-07-13 14:05:42,279 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 14:05:42,279 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 14:05:42,322 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 14:05:42,328 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@1b6f1232, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2d199b08 [2022-07-13 14:05:42,329 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 14:05:42,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 14:05:42,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-07-13 14:05:42,347 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 14:05:42,347 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-07-13 14:05:42,348 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 14:05:42,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 14:05:42,352 INFO L85 PathProgramCache]: Analyzing trace with hash 28693795, now seen corresponding path program 1 times [2022-07-13 14:05:42,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 14:05:42,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [522478974] [2022-07-13 14:05:42,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 14:05:42,361 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 14:05:42,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 14:05:42,363 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 14:05:42,364 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 14:05:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 14:05:42,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 14:05:42,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 14:05:42,844 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 14:05:42,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 14:05:42,845 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-13 14:05:42,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [522478974] [2022-07-13 14:05:42,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [522478974] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 14:05:42,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 14:05:42,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 14:05:42,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730781686] [2022-07-13 14:05:42,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 14:05:42,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 14:05:42,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-13 14:05:42,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 14:05:42,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 14:05:42,879 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 14:05:42,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 14:05:42,889 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-07-13 14:05:42,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 14:05:42,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-07-13 14:05:42,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 14:05:42,897 INFO L225 Difference]: With dead ends: 14 [2022-07-13 14:05:42,897 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 14:05:42,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 14:05:42,905 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 14:05:42,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 3 Unchecked, 0.0s Time] [2022-07-13 14:05:42,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 14:05:42,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 14:05:42,920 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 14:05:42,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 14:05:42,921 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-07-13 14:05:42,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 14:05:42,922 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 14:05:42,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 14:05:42,922 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 14:05:42,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 14:05:42,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 14:05:42,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-13 14:05:43,142 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 14:05:43,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 14:05:43,147 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 14:05:43,147 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 14:05:43,148 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 14:05:43,148 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 14:05:43,148 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2022-07-13 14:05:43,149 INFO L902 garLoopResultBuilder]: At program point L982(lines 974 983) the Hoare annotation is: true [2022-07-13 14:05:43,149 INFO L899 garLoopResultBuilder]: For program point L968(line 968) no Hoare annotation was computed. [2022-07-13 14:05:43,149 INFO L899 garLoopResultBuilder]: For program point L967(lines 967 969) no Hoare annotation was computed. [2022-07-13 14:05:43,149 INFO L899 garLoopResultBuilder]: For program point L968-1(line 968) no Hoare annotation was computed. [2022-07-13 14:05:43,149 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 970) no Hoare annotation was computed. [2022-07-13 14:05:43,156 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-13 14:05:43,158 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 14:05:43,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 02:05:43 BoogieIcfgContainer [2022-07-13 14:05:43,163 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 14:05:43,163 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 14:05:43,164 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 14:05:43,164 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 14:05:43,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 02:05:42" (3/4) ... [2022-07-13 14:05:43,167 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 14:05:43,173 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-07-13 14:05:43,173 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 14:05:43,174 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 14:05:43,174 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 14:05:43,192 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 14:05:43,192 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 14:05:43,193 INFO L158 Benchmark]: Toolchain (without parser) took 1822.72ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 44.1MB in the beginning and 47.6MB in the end (delta: -3.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2022-07-13 14:05:43,193 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:05:43,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.57ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 43.8MB in the beginning and 55.9MB in the end (delta: -12.1MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2022-07-13 14:05:43,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.17ms. Allocated memory is still 86.0MB. Free memory was 55.9MB in the beginning and 53.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 14:05:43,194 INFO L158 Benchmark]: Boogie Preprocessor took 26.12ms. Allocated memory is still 86.0MB. Free memory was 53.5MB in the beginning and 52.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 14:05:43,194 INFO L158 Benchmark]: RCFGBuilder took 322.94ms. Allocated memory is still 86.0MB. Free memory was 52.1MB in the beginning and 44.0MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 14:05:43,194 INFO L158 Benchmark]: TraceAbstraction took 908.96ms. Allocated memory is still 86.0MB. Free memory was 43.3MB in the beginning and 49.7MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 14:05:43,195 INFO L158 Benchmark]: Witness Printer took 28.62ms. Allocated memory is still 86.0MB. Free memory was 49.7MB in the beginning and 47.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 14:05:43,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.57ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 43.8MB in the beginning and 55.9MB in the end (delta: -12.1MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.17ms. Allocated memory is still 86.0MB. Free memory was 55.9MB in the beginning and 53.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.12ms. Allocated memory is still 86.0MB. Free memory was 53.5MB in the beginning and 52.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 322.94ms. Allocated memory is still 86.0MB. Free memory was 52.1MB in the beginning and 44.0MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 908.96ms. Allocated memory is still 86.0MB. Free memory was 43.3MB in the beginning and 49.7MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 28.62ms. Allocated memory is still 86.0MB. Free memory was 49.7MB in the beginning and 47.6MB 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: 968]: 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 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 7 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 1 QuantifiedInterpolants, 11 SizeOfPredicates, 2 NumberOfNonLiveVariables, 18 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 974]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-13 14:05:43,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE