./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/NO_01.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-restricted-15/NO_01.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash ac2b0e405f36a91125e1a90b6b63874c5fe808a1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_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 01:31:29,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 01:31:29,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 01:31:29,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 01:31:29,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 01:31:29,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 01:31:29,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 01:31:29,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 01:31:29,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 01:31:29,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 01:31:29,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 01:31:29,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 01:31:29,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 01:31:29,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 01:31:29,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 01:31:29,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 01:31:29,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 01:31:29,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 01:31:29,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 01:31:29,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 01:31:29,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 01:31:29,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 01:31:29,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 01:31:29,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 01:31:29,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 01:31:29,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 01:31:29,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 01:31:29,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 01:31:29,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 01:31:29,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 01:31:29,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 01:31:29,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 01:31:29,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 01:31:29,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 01:31:29,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 01:31:29,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 01:31:29,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 01:31:29,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 01:31:29,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 01:31:29,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 01:31:29,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 01:31:29,089 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-31 01:31:29,120 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 01:31:29,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 01:31:29,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 01:31:29,122 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 01:31:29,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 01:31:29,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 01:31:29,123 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 01:31:29,123 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 01:31:29,123 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 01:31:29,124 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 01:31:29,124 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 01:31:29,124 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 01:31:29,124 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 01:31:29,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 01:31:29,125 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 01:31:29,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 01:31:29,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 01:31:29,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 01:31:29,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 01:31:29,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 01:31:29,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 01:31:29,132 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 01:31:29,132 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 01:31:29,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 01:31:29,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 01:31:29,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 01:31:29,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 01:31:29,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 01:31:29,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 01:31:29,134 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 01:31:29,134 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac2b0e405f36a91125e1a90b6b63874c5fe808a1 [2021-08-31 01:31:29,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 01:31:29,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 01:31:29,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 01:31:29,404 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 01:31:29,404 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 01:31:29,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/NO_01.c [2021-08-31 01:31:29,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ece598e7/d376d6381da447229cc1cb5ec0432ea0/FLAG22289b27d [2021-08-31 01:31:29,755 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 01:31:29,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/NO_01.c [2021-08-31 01:31:29,759 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ece598e7/d376d6381da447229cc1cb5ec0432ea0/FLAG22289b27d [2021-08-31 01:31:30,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ece598e7/d376d6381da447229cc1cb5ec0432ea0 [2021-08-31 01:31:30,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 01:31:30,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 01:31:30,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 01:31:30,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 01:31:30,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 01:31:30,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:31:30" (1/1) ... [2021-08-31 01:31:30,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d7a356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:30, skipping insertion in model container [2021-08-31 01:31:30,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:31:30" (1/1) ... [2021-08-31 01:31:30,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 01:31:30,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 01:31:30,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:31:30,289 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 01:31:30,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:31:30,303 INFO L208 MainTranslator]: Completed translation [2021-08-31 01:31:30,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:30 WrapperNode [2021-08-31 01:31:30,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 01:31:30,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 01:31:30,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 01:31:30,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 01:31:30,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:30" (1/1) ... [2021-08-31 01:31:30,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:30" (1/1) ... [2021-08-31 01:31:30,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 01:31:30,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 01:31:30,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 01:31:30,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 01:31:30,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:30" (1/1) ... [2021-08-31 01:31:30,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:30" (1/1) ... [2021-08-31 01:31:30,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:30" (1/1) ... [2021-08-31 01:31:30,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:30" (1/1) ... [2021-08-31 01:31:30,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:30" (1/1) ... [2021-08-31 01:31:30,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:30" (1/1) ... [2021-08-31 01:31:30,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:30" (1/1) ... [2021-08-31 01:31:30,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 01:31:30,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 01:31:30,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 01:31:30,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 01:31:30,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:30" (1/1) ... [2021-08-31 01:31:30,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:30,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:30,375 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 01:31:30,381 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 01:31:30,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 01:31:30,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 01:31:30,491 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 01:31:30,491 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-31 01:31:30,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:31:30 BoogieIcfgContainer [2021-08-31 01:31:30,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 01:31:30,494 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 01:31:30,494 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 01:31:30,496 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 01:31:30,496 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:31:30,497 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 01:31:30" (1/3) ... [2021-08-31 01:31:30,498 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12599df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:31:30, skipping insertion in model container [2021-08-31 01:31:30,498 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:31:30,498 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:31:30" (2/3) ... [2021-08-31 01:31:30,498 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12599df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:31:30, skipping insertion in model container [2021-08-31 01:31:30,498 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:31:30,498 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:31:30" (3/3) ... [2021-08-31 01:31:30,499 INFO L389 chiAutomizerObserver]: Analyzing ICFG NO_01.c [2021-08-31 01:31:30,540 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 01:31:30,541 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 01:31:30,541 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 01:31:30,541 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 01:31:30,541 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 01:31:30,541 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 01:31:30,541 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 01:31:30,541 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 01:31:30,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 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 01:31:30,565 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 4 [2021-08-31 01:31:30,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:31:30,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:31:30,569 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 01:31:30,569 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-31 01:31:30,569 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 01:31:30,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 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 01:31:30,572 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 4 [2021-08-31 01:31:30,572 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:31:30,572 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:31:30,572 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 01:31:30,572 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-31 01:31:30,576 INFO L791 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~c~0, main_~i~0;havoc main_~c~0;havoc main_~i~0;main_~c~0 := 864; 9#L10true assume main_~c~0 <= 10;main_~i~0 := 0; 3#L12-2true [2021-08-31 01:31:30,576 INFO L793 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~i~0 < 100);main_~i~0 := 1 + main_~i~0; 3#L12-2true [2021-08-31 01:31:30,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:30,580 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2021-08-31 01:31:30,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:31:30,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803794030] [2021-08-31 01:31:30,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:31:30,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:31:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:31:30,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:31:30,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:31:30,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803794030] [2021-08-31 01:31:30,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803794030] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:31:30,702 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:31:30,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-31 01:31:30,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402977561] [2021-08-31 01:31:30,708 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 01:31:30,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:30,709 INFO L82 PathProgramCache]: Analyzing trace with hash 44, now seen corresponding path program 1 times [2021-08-31 01:31:30,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:31:30,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595229481] [2021-08-31 01:31:30,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:31:30,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:31:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:30,721 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:31:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:30,735 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:31:30,795 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:31:30,796 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:31:30,796 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:31:30,796 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:31:30,796 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-08-31 01:31:30,796 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:30,797 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:31:30,797 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:31:30,797 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_01.c_Iteration1_Loop [2021-08-31 01:31:30,797 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:31:30,797 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:31:30,806 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 01:31:30,825 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 01:31:30,828 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 01:31:30,865 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:31:30,865 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-08-31 01:31:30,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:30,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:30,868 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 01:31:30,869 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 01:31:30,870 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:31:30,870 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:31:30,886 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:31:30,887 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 01:31:30,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-08-31 01:31:30,904 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:30,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:30,908 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 01:31:30,913 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 01:31:30,928 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:31:30,929 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:31:30,953 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-08-31 01:31:30,953 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-08-31 01:31:30,971 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 01:31:30,971 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:30,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:30,973 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 01:31:30,974 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 01:31:30,977 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-08-31 01:31:30,977 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:31:31,023 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 01:31:31,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:31,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:31,025 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 01:31:31,030 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-08-31 01:31:31,030 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-08-31 01:31:31,044 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 01:31:31,068 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-08-31 01:31:31,073 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 01:31:31,073 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:31:31,073 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:31:31,073 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:31:31,073 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:31:31,073 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:31:31,074 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:31,074 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:31:31,074 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:31:31,074 INFO L133 ssoRankerPreferences]: Filename of dumped script: NO_01.c_Iteration1_Loop [2021-08-31 01:31:31,074 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:31:31,074 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:31:31,075 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 01:31:31,080 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 01:31:31,086 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 01:31:31,128 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:31:31,131 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:31:31,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:31,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:31,132 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 01:31:31,133 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 01:31:31,135 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 01:31:31,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:31,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:31,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:31,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:31:31,145 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:31:31,145 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:31:31,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:31,176 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 01:31:31,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:31,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:31,177 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 01:31:31,178 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 01:31:31,179 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 01:31:31,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:31,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:31,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:31,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:31:31,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:31:31,189 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:31:31,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:31:31,217 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 01:31:31,218 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:31,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:31,218 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 01:31:31,221 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 01:31:31,222 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 01:31:31,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:31:31,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:31:31,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:31:31,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:31:31,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:31:31,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:31:31,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:31:31,232 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:31:31,236 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-08-31 01:31:31,236 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-08-31 01:31:31,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:31:31,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:31:31,238 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 01:31:31,239 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 01:31:31,240 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:31:31,240 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-08-31 01:31:31,240 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:31:31,240 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 199 Supporting invariants [] [2021-08-31 01:31:31,257 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 01:31:31,259 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-08-31 01:31:31,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:31:31,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 01:31:31,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:31:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:31:31,300 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 01:31:31,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:31:31,300 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 01:31:31,318 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-08-31 01:31:31,319 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 01:31:31,373 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 29 states and 45 transitions. Complement of second has 5 states. [2021-08-31 01:31:31,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 01:31:31,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 01:31:31,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 36 transitions. [2021-08-31 01:31:31,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 36 transitions. Stem has 2 letters. Loop has 1 letters. [2021-08-31 01:31:31,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:31:31,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 36 transitions. Stem has 3 letters. Loop has 1 letters. [2021-08-31 01:31:31,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:31:31,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 36 transitions. Stem has 2 letters. Loop has 2 letters. [2021-08-31 01:31:31,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:31:31,382 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 45 transitions. [2021-08-31 01:31:31,386 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 3 [2021-08-31 01:31:31,388 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 7 states and 10 transitions. [2021-08-31 01:31:31,389 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-08-31 01:31:31,389 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-08-31 01:31:31,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2021-08-31 01:31:31,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:31:31,390 INFO L681 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-08-31 01:31:31,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2021-08-31 01:31:31,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-08-31 01:31:31,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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 01:31:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-08-31 01:31:31,405 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-08-31 01:31:31,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:31:31,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 01:31:31,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 01:31:31,407 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 01:31:31,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:31:31,416 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2021-08-31 01:31:31,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 01:31:31,416 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 5 transitions. [2021-08-31 01:31:31,417 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-08-31 01:31:31,417 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 5 states and 5 transitions. [2021-08-31 01:31:31,417 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-08-31 01:31:31,417 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-08-31 01:31:31,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5 transitions. [2021-08-31 01:31:31,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:31:31,418 INFO L681 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. [2021-08-31 01:31:31,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 5 transitions. [2021-08-31 01:31:31,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2021-08-31 01:31:31,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.0) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 01:31:31,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2021-08-31 01:31:31,418 INFO L704 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. [2021-08-31 01:31:31,419 INFO L587 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. [2021-08-31 01:31:31,419 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 01:31:31,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 5 transitions. [2021-08-31 01:31:31,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-08-31 01:31:31,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:31:31,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:31:31,419 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-31 01:31:31,420 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-08-31 01:31:31,420 INFO L791 eck$LassoCheckResult]: Stem: 86#ULTIMATE.startENTRY havoc main_#res;havoc main_~c~0, main_~i~0;havoc main_~c~0;havoc main_~i~0;main_~c~0 := 864; 87#L10 assume !(main_~c~0 <= 10); 84#L17 assume !(main_~c~0 <= 50); 85#L17-1 assume !(main_~c~0 <= 100);main_~i~0 := 0; 88#L31-2 [2021-08-31 01:31:31,420 INFO L793 eck$LassoCheckResult]: Loop: 88#L31-2 assume !!(main_~i~0 < 103);main_~i~0 := main_~i~0; 88#L31-2 [2021-08-31 01:31:31,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:31,420 INFO L82 PathProgramCache]: Analyzing trace with hash 971748, now seen corresponding path program 1 times [2021-08-31 01:31:31,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:31:31,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145425857] [2021-08-31 01:31:31,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:31:31,421 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:31:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:31,424 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:31:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:31,426 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:31:31,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:31,427 INFO L82 PathProgramCache]: Analyzing trace with hash 93, now seen corresponding path program 1 times [2021-08-31 01:31:31,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:31:31,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596670513] [2021-08-31 01:31:31,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:31:31,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:31:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:31,430 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:31:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:31,431 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:31:31,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:31:31,432 INFO L82 PathProgramCache]: Analyzing trace with hash 30124250, now seen corresponding path program 1 times [2021-08-31 01:31:31,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:31:31,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325869373] [2021-08-31 01:31:31,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:31:31,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:31:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:31,435 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:31:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:31:31,454 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 01:31:31,456 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:31:31,510 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 01:31:31,514 INFO L158 Benchmark]: Toolchain (without parser) took 1324.77ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 28.3MB in the beginning and 40.4MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:31:31,515 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:31:31,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 112.81ms. Allocated memory is still 50.3MB. Free memory was 28.1MB in the beginning and 31.2MB in the end (delta: -3.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-08-31 01:31:31,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.18ms. Allocated memory is still 50.3MB. Free memory was 31.2MB in the beginning and 29.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 01:31:31,518 INFO L158 Benchmark]: Boogie Preprocessor took 15.70ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 29.9MB in the beginning and 45.0MB in the end (delta: -15.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 01:31:31,518 INFO L158 Benchmark]: RCFGBuilder took 155.70ms. Allocated memory is still 60.8MB. Free memory was 45.0MB in the beginning and 37.2MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-31 01:31:31,518 INFO L158 Benchmark]: BuchiAutomizer took 1019.62ms. Allocated memory is still 60.8MB. Free memory was 37.0MB in the beginning and 40.4MB in the end (delta: -3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:31:31,521 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 112.81ms. Allocated memory is still 50.3MB. Free memory was 28.1MB in the beginning and 31.2MB in the end (delta: -3.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 16.18ms. Allocated memory is still 50.3MB. Free memory was 31.2MB in the beginning and 29.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.70ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 29.9MB in the beginning and 45.0MB in the end (delta: -15.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 155.70ms. Allocated memory is still 60.8MB. Free memory was 45.0MB in the beginning and 37.2MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1019.62ms. Allocated memory is still 60.8MB. Free memory was 37.0MB in the beginning and 40.4MB in the end (delta: -3.4MB). 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -2 * i + 199 and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 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 01:31:31,543 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...