./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/floats-cdfpl/newton_2_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf 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/AutomizerTermination.xml -i ../sv-benchmarks/c/floats-cdfpl/newton_2_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-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(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c43eb5036d4b8eb257d1b0537c12953f93c83e3 ..................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 02:36:37,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 02:36:37,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 02:36:37,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 02:36:37,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 02:36:37,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 02:36:37,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 02:36:37,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 02:36:37,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 02:36:37,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 02:36:37,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 02:36:37,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 02:36:37,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 02:36:37,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 02:36:37,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 02:36:37,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 02:36:37,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 02:36:37,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 02:36:37,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 02:36:37,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 02:36:37,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 02:36:37,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 02:36:37,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 02:36:37,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 02:36:37,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 02:36:37,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 02:36:37,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 02:36:37,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 02:36:37,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 02:36:37,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 02:36:37,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 02:36:37,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 02:36:37,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 02:36:37,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 02:36:37,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 02:36:37,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 02:36:37,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 02:36:37,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 02:36:37,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 02:36:37,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 02:36:37,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 02:36:37,269 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 02:36:37,286 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 02:36:37,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 02:36:37,286 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 02:36:37,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 02:36:37,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 02:36:37,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 02:36:37,287 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 02:36:37,288 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 02:36:37,288 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 02:36:37,288 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 02:36:37,288 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 02:36:37,288 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 02:36:37,289 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 02:36:37,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 02:36:37,289 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 02:36:37,289 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 02:36:37,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 02:36:37,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 02:36:37,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 02:36:37,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 02:36:37,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 02:36:37,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 02:36:37,291 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 02:36:37,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 02:36:37,291 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 02:36:37,291 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 02:36:37,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 02:36:37,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 02:36:37,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 02:36:37,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 02:36:37,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 02:36:37,292 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 02:36:37,293 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 02:36:37,293 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c43eb5036d4b8eb257d1b0537c12953f93c83e3 [2021-08-31 02:36:37,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 02:36:37,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 02:36:37,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 02:36:37,533 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 02:36:37,534 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 02:36:37,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/newton_2_2.i [2021-08-31 02:36:37,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7998a1235/07d987e9353c47cb8595a323324e72c6/FLAG7aa4971c0 [2021-08-31 02:36:37,938 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 02:36:37,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/newton_2_2.i [2021-08-31 02:36:37,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7998a1235/07d987e9353c47cb8595a323324e72c6/FLAG7aa4971c0 [2021-08-31 02:36:37,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7998a1235/07d987e9353c47cb8595a323324e72c6 [2021-08-31 02:36:37,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 02:36:37,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 02:36:37,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 02:36:37,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 02:36:37,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 02:36:37,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:36:37" (1/1) ... [2021-08-31 02:36:37,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f45a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:36:37, skipping insertion in model container [2021-08-31 02:36:37,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:36:37" (1/1) ... [2021-08-31 02:36:37,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 02:36:37,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 02:36:38,110 WARN L228 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-cdfpl/newton_2_2.i[1245,1258] [2021-08-31 02:36:38,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:36:38,117 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 02:36:38,135 WARN L228 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-cdfpl/newton_2_2.i[1245,1258] [2021-08-31 02:36:38,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:36:38,152 INFO L208 MainTranslator]: Completed translation [2021-08-31 02:36:38,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:36:38 WrapperNode [2021-08-31 02:36:38,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 02:36:38,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 02:36:38,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 02:36:38,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 02:36:38,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:36:38" (1/1) ... [2021-08-31 02:36:38,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:36:38" (1/1) ... [2021-08-31 02:36:38,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 02:36:38,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 02:36:38,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 02:36:38,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 02:36:38,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:36:38" (1/1) ... [2021-08-31 02:36:38,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:36:38" (1/1) ... [2021-08-31 02:36:38,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:36:38" (1/1) ... [2021-08-31 02:36:38,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:36:38" (1/1) ... [2021-08-31 02:36:38,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:36:38" (1/1) ... [2021-08-31 02:36:38,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:36:38" (1/1) ... [2021-08-31 02:36:38,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:36:38" (1/1) ... [2021-08-31 02:36:38,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 02:36:38,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 02:36:38,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 02:36:38,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 02:36:38,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:36:38" (1/1) ... [2021-08-31 02:36:38,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:36:38,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:36:38,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 02:36:38,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 02:36:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 02:36:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 02:36:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 02:36:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 02:36:38,448 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 02:36:38,448 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-08-31 02:36:38,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:36:38 BoogieIcfgContainer [2021-08-31 02:36:38,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 02:36:38,450 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 02:36:38,451 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 02:36:38,453 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 02:36:38,453 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:36:38,453 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 02:36:37" (1/3) ... [2021-08-31 02:36:38,454 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14f41ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:36:38, skipping insertion in model container [2021-08-31 02:36:38,454 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:36:38,454 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:36:38" (2/3) ... [2021-08-31 02:36:38,455 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@14f41ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:36:38, skipping insertion in model container [2021-08-31 02:36:38,455 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:36:38,455 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:36:38" (3/3) ... [2021-08-31 02:36:38,456 INFO L389 chiAutomizerObserver]: Analyzing ICFG newton_2_2.i [2021-08-31 02:36:38,525 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 02:36:38,529 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 02:36:38,529 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 02:36:38,529 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 02:36:38,529 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 02:36:38,529 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 02:36:38,529 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 02:36:38,530 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 02:36:38,543 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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) [2021-08-31 02:36:38,552 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 02:36:38,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 02:36:38,570 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) 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) [2021-08-31 02:36:38,573 INFO L158 Benchmark]: Toolchain (without parser) took 608.82ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 26.1MB in the beginning and 40.6MB in the end (delta: -14.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:36:38,573 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 32.6MB in the beginning and 32.6MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:36:38,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.98ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 25.9MB in the beginning and 41.6MB in the end (delta: -15.6MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-08-31 02:36:38,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.84ms. Allocated memory is still 65.0MB. Free memory was 41.6MB in the beginning and 39.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:36:38,575 INFO L158 Benchmark]: Boogie Preprocessor took 26.91ms. Allocated memory is still 65.0MB. Free memory was 39.9MB in the beginning and 38.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 02:36:38,576 INFO L158 Benchmark]: RCFGBuilder took 239.50ms. Allocated memory is still 65.0MB. Free memory was 38.7MB in the beginning and 45.6MB in the end (delta: -6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-31 02:36:38,580 INFO L158 Benchmark]: BuchiAutomizer took 121.28ms. Allocated memory is still 65.0MB. Free memory was 45.6MB in the beginning and 40.6MB in the end (delta: 5.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 02:36:38,583 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 50.3MB. Free memory was 32.6MB in the beginning and 32.6MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 187.98ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 25.9MB in the beginning and 41.6MB in the end (delta: -15.6MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.84ms. Allocated memory is still 65.0MB. Free memory was 41.6MB in the beginning and 39.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.91ms. Allocated memory is still 65.0MB. Free memory was 39.9MB in the beginning and 38.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 239.50ms. Allocated memory is still 65.0MB. Free memory was 38.7MB in the beginning and 45.6MB in the end (delta: -6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 121.28ms. Allocated memory is still 65.0MB. Free memory was 45.6MB in the beginning and 40.6MB in the end (delta: 5.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 02:36:38,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...