./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-acceleration/array_2-2-simple.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/loop-acceleration/array_2-2-simple.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 10989cc26eec6b69c73a920ae872e2b45d43bffe ................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:41:51,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 02:41:51,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 02:41:51,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 02:41:51,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 02:41:51,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 02:41:51,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 02:41:51,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 02:41:51,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 02:41:51,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 02:41:51,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 02:41:51,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 02:41:51,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 02:41:51,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 02:41:51,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 02:41:51,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 02:41:51,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 02:41:51,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 02:41:51,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 02:41:51,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 02:41:51,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 02:41:51,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 02:41:51,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 02:41:51,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 02:41:51,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 02:41:51,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 02:41:51,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 02:41:51,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 02:41:51,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 02:41:51,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 02:41:51,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 02:41:51,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 02:41:51,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 02:41:51,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 02:41:51,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 02:41:51,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 02:41:51,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 02:41:51,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 02:41:51,189 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 02:41:51,191 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 02:41:51,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 02:41:51,194 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 02:41:51,225 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 02:41:51,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 02:41:51,225 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 02:41:51,225 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 02:41:51,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 02:41:51,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 02:41:51,227 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 02:41:51,227 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 02:41:51,227 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 02:41:51,228 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 02:41:51,228 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 02:41:51,228 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 02:41:51,228 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 02:41:51,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 02:41:51,229 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 02:41:51,229 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 02:41:51,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 02:41:51,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 02:41:51,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 02:41:51,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 02:41:51,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 02:41:51,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 02:41:51,230 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 02:41:51,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 02:41:51,230 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 02:41:51,230 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 02:41:51,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 02:41:51,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 02:41:51,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 02:41:51,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 02:41:51,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 02:41:51,231 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 02:41:51,232 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 02:41:51,232 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10989cc26eec6b69c73a920ae872e2b45d43bffe [2021-08-31 02:41:51,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 02:41:51,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 02:41:51,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 02:41:51,469 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 02:41:51,470 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 02:41:51,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/array_2-2-simple.i [2021-08-31 02:41:51,523 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f805fc378/1a26fd3ef0c9484e8523d22467a4bb36/FLAG81ab1f7ae [2021-08-31 02:41:51,850 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 02:41:51,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/array_2-2-simple.i [2021-08-31 02:41:51,856 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f805fc378/1a26fd3ef0c9484e8523d22467a4bb36/FLAG81ab1f7ae [2021-08-31 02:41:52,267 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f805fc378/1a26fd3ef0c9484e8523d22467a4bb36 [2021-08-31 02:41:52,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 02:41:52,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 02:41:52,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 02:41:52,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 02:41:52,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 02:41:52,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:41:52" (1/1) ... [2021-08-31 02:41:52,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20bf83c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:52, skipping insertion in model container [2021-08-31 02:41:52,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:41:52" (1/1) ... [2021-08-31 02:41:52,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 02:41:52,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 02:41:52,367 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/loop-acceleration/array_2-2-simple.i[809,822] [2021-08-31 02:41:52,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:41:52,382 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 02:41:52,389 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/loop-acceleration/array_2-2-simple.i[809,822] [2021-08-31 02:41:52,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:41:52,401 INFO L208 MainTranslator]: Completed translation [2021-08-31 02:41:52,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:52 WrapperNode [2021-08-31 02:41:52,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 02:41:52,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 02:41:52,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 02:41:52,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 02:41:52,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:52" (1/1) ... [2021-08-31 02:41:52,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:52" (1/1) ... [2021-08-31 02:41:52,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 02:41:52,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 02:41:52,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 02:41:52,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 02:41:52,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:52" (1/1) ... [2021-08-31 02:41:52,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:52" (1/1) ... [2021-08-31 02:41:52,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:52" (1/1) ... [2021-08-31 02:41:52,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:52" (1/1) ... [2021-08-31 02:41:52,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:52" (1/1) ... [2021-08-31 02:41:52,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:52" (1/1) ... [2021-08-31 02:41:52,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:52" (1/1) ... [2021-08-31 02:41:52,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 02:41:52,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 02:41:52,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 02:41:52,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 02:41:52,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:52" (1/1) ... [2021-08-31 02:41:52,469 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:52,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:52,484 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 02:41:52,490 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 02:41:52,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 02:41:52,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-08-31 02:41:52,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 02:41:52,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-31 02:41:52,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 02:41:52,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 02:41:52,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-31 02:41:52,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 02:41:52,647 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 02:41:52,647 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-31 02:41:52,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:41:52 BoogieIcfgContainer [2021-08-31 02:41:52,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 02:41:52,649 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 02:41:52,649 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 02:41:52,651 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 02:41:52,651 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:41:52,652 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 02:41:52" (1/3) ... [2021-08-31 02:41:52,652 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76617170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:41:52, skipping insertion in model container [2021-08-31 02:41:52,668 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:41:52,669 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:52" (2/3) ... [2021-08-31 02:41:52,669 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76617170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:41:52, skipping insertion in model container [2021-08-31 02:41:52,669 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:41:52,669 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:41:52" (3/3) ... [2021-08-31 02:41:52,670 INFO L389 chiAutomizerObserver]: Analyzing ICFG array_2-2-simple.i [2021-08-31 02:41:52,719 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 02:41:52,719 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 02:41:52,719 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 02:41:52,719 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 02:41:52,719 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 02:41:52,719 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 02:41:52,719 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 02:41:52,719 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 02:41:52,734 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 02:41:52,750 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 02:41:52,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:41:52,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:41:52,755 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 02:41:52,755 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 02:41:52,755 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 02:41:52,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 02:41:52,757 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 02:41:52,757 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:41:52,757 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:41:52,758 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 02:41:52,758 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 02:41:52,764 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12); 7#L-1true havoc main_#res;havoc main_#t~mem4, main_#t~post3, main_#t~mem5, main_#t~mem6, main_~#A~0.base, main_~#A~0.offset, main_~#B~0.base, main_~#B~0.offset, main_~i~0, main_~tmp~0;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(8192);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, main_~#A~0.base);call write~unchecked~int(0, main_~#A~0.base, main_~#A~0.offset, 4);call main_~#B~0.base, main_~#B~0.offset := #Ultimate.allocOnStack(8192);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, main_~#B~0.base);call write~unchecked~int(0, main_~#B~0.base, main_~#B~0.offset, 4);havoc main_~i~0;havoc main_~tmp~0;main_~i~0 := 0; 8#L24-3true [2021-08-31 02:41:52,764 INFO L793 eck$LassoCheckResult]: Loop: 8#L24-3true assume !!(main_~i~0 < 2048);call main_#t~mem4 := read~int(main_~#A~0.base, main_~#A~0.offset + 4 * main_~i~0, 4);main_~tmp~0 := main_#t~mem4;havoc main_#t~mem4;call write~int(main_~tmp~0, main_~#B~0.base, main_~#B~0.offset + 4 * main_~i~0, 4); 5#L24-2true main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 8#L24-3true [2021-08-31 02:41:52,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:41:52,772 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-08-31 02:41:52,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:41:52,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655921761] [2021-08-31 02:41:52,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:41:52,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:41:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:41:52,879 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:41:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:41:52,939 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:41:52,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:41:52,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-08-31 02:41:52,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:41:52,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154263986] [2021-08-31 02:41:52,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:41:52,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:41:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:41:52,959 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:41:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:41:52,975 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:41:52,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:41:52,978 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-08-31 02:41:52,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:41:52,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194743963] [2021-08-31 02:41:52,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:41:52,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:41:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:41:53,010 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:41:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:41:53,039 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:41:53,509 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 02:41:53,510 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 02:41:53,510 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 02:41:53,510 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 02:41:53,510 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 02:41:53,510 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:53,511 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 02:41:53,511 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 02:41:53,511 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_2-2-simple.i_Iteration1_Lasso [2021-08-31 02:41:53,511 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 02:41:53,511 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 02:41:53,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:41:53,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:41:53,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:41:53,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:41:53,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:41:53,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:41:53,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:41:53,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:41:53,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 02:41:53,897 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 02:41:53,900 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 02:41:53,902 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:53,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:53,903 INFO L229 MonitoredProcess]: Starting monitored process 2 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 02:41:53,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-31 02:41:53,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:41:53,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:53,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:41:53,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:53,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:53,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:53,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:41:53,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:41:53,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:53,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:53,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:53,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:53,982 INFO L229 MonitoredProcess]: Starting monitored process 3 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 02:41:53,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-31 02:41:53,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:41:53,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:53,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:41:53,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:53,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:53,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:53,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:41:53,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:41:53,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:54,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:54,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:54,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:54,013 INFO L229 MonitoredProcess]: Starting monitored process 4 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 02:41:54,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-31 02:41:54,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:41:54,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:54,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:54,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:54,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:54,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:41:54,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:41:54,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:54,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:54,070 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:54,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:54,072 INFO L229 MonitoredProcess]: Starting monitored process 5 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 02:41:54,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-31 02:41:54,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:41:54,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:54,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:54,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:54,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:54,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:41:54,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:41:54,104 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:54,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:54,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:54,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:54,124 INFO L229 MonitoredProcess]: Starting monitored process 6 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 02:41:54,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:41:54,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:54,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:54,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:54,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:54,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:41:54,148 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:41:54,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-31 02:41:54,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:54,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:54,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:54,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:54,177 INFO L229 MonitoredProcess]: Starting monitored process 7 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 02:41:54,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-31 02:41:54,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:41:54,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:54,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:54,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:54,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:54,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:41:54,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:41:54,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:54,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:54,222 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:54,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:54,222 INFO L229 MonitoredProcess]: Starting monitored process 8 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 02:41:54,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-31 02:41:54,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 02:41:54,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:54,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:54,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:54,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:54,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:41:54,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:41:54,252 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 02:41:54,290 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-08-31 02:41:54,290 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-08-31 02:41:54,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:54,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:54,292 INFO L229 MonitoredProcess]: Starting monitored process 9 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 02:41:54,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-31 02:41:54,294 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 02:41:54,322 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 02:41:54,322 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 02:41:54,322 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1) = -8*ULTIMATE.start_main_~i~0 + 4095*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1 Supporting invariants [] [2021-08-31 02:41:54,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:54,364 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2021-08-31 02:41:54,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:41:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:41:54,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 02:41:54,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:41:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:41:54,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-31 02:41:54,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:41:54,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 02:41:54,469 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-31 02:41:54,470 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 02:41:54,539 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Result 24 states and 30 transitions. Complement of second has 8 states. [2021-08-31 02:41:54,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 02:41:54,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 02:41:54,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2021-08-31 02:41:54,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 2 letters. [2021-08-31 02:41:54,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:41:54,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2021-08-31 02:41:54,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:41:54,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. [2021-08-31 02:41:54,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:41:54,549 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2021-08-31 02:41:54,550 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 02:41:54,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:54,553 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-08-31 02:41:54,553 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 02:41:54,554 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 02:41:54,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 02:41:54,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:41:54,554 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 02:41:54,554 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 02:41:54,554 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 02:41:54,554 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 02:41:54,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 02:41:54,555 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 02:41:54,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 02:41:54,557 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 02:41:54,558 INFO L158 Benchmark]: Toolchain (without parser) took 2286.56ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 46.3MB in the beginning and 57.8MB in the end (delta: -11.5MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2021-08-31 02:41:54,559 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:41:54,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 129.80ms. Allocated memory is still 65.0MB. Free memory was 46.1MB in the beginning and 36.4MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-31 02:41:54,559 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.30ms. Allocated memory is still 65.0MB. Free memory was 36.4MB in the beginning and 49.2MB in the end (delta: -12.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-31 02:41:54,560 INFO L158 Benchmark]: Boogie Preprocessor took 14.15ms. Allocated memory is still 65.0MB. Free memory was 49.2MB in the beginning and 48.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:41:54,560 INFO L158 Benchmark]: RCFGBuilder took 186.41ms. Allocated memory is still 65.0MB. Free memory was 48.0MB in the beginning and 39.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-31 02:41:54,561 INFO L158 Benchmark]: BuchiAutomizer took 1908.34ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 39.1MB in the beginning and 57.8MB in the end (delta: -18.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:41:54,562 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 47.4MB in the beginning and 47.3MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 129.80ms. Allocated memory is still 65.0MB. Free memory was 46.1MB in the beginning and 36.4MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.30ms. Allocated memory is still 65.0MB. Free memory was 36.4MB in the beginning and 49.2MB in the end (delta: -12.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.15ms. Allocated memory is still 65.0MB. Free memory was 49.2MB in the beginning and 48.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 186.41ms. Allocated memory is still 65.0MB. Free memory was 48.0MB in the beginning and 39.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1908.34ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 39.1MB in the beginning and 57.8MB in the end (delta: -18.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 4095 * unknown-#length-unknown[A] + -8 * i and consists of 5 locations. * 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 02:41:54,587 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...