./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-acceleration/array_1-1.c --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_1-1.c -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 4c9fff627c82b4be9f2b0d8e74db0b99a6e80cbe ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:41:47,009 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 02:41:47,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 02:41:47,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 02:41:47,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 02:41:47,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 02:41:47,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 02:41:47,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 02:41:47,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 02:41:47,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 02:41:47,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 02:41:47,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 02:41:47,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 02:41:47,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 02:41:47,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 02:41:47,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 02:41:47,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 02:41:47,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 02:41:47,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 02:41:47,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 02:41:47,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 02:41:47,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 02:41:47,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 02:41:47,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 02:41:47,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 02:41:47,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 02:41:47,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 02:41:47,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 02:41:47,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 02:41:47,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 02:41:47,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 02:41:47,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 02:41:47,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 02:41:47,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 02:41:47,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 02:41:47,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 02:41:47,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 02:41:47,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 02:41:47,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 02:41:47,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 02:41:47,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 02:41:47,123 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 02:41:47,159 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 02:41:47,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 02:41:47,161 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 02:41:47,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 02:41:47,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 02:41:47,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 02:41:47,163 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 02:41:47,163 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 02:41:47,163 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 02:41:47,163 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 02:41:47,164 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 02:41:47,164 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 02:41:47,164 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 02:41:47,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 02:41:47,165 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 02:41:47,165 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 02:41:47,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 02:41:47,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 02:41:47,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 02:41:47,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 02:41:47,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 02:41:47,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 02:41:47,171 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 02:41:47,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 02:41:47,171 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 02:41:47,172 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 02:41:47,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 02:41:47,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 02:41:47,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 02:41:47,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 02:41:47,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 02:41:47,173 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 02:41:47,174 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 02:41:47,174 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c9fff627c82b4be9f2b0d8e74db0b99a6e80cbe [2021-08-31 02:41:47,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 02:41:47,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 02:41:47,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 02:41:47,491 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 02:41:47,491 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 02:41:47,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/array_1-1.c [2021-08-31 02:41:47,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/649e8b8bd/6459eafa38234560a3c71827233c02f0/FLAGb7fff15ae [2021-08-31 02:41:47,965 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 02:41:47,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/array_1-1.c [2021-08-31 02:41:47,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/649e8b8bd/6459eafa38234560a3c71827233c02f0/FLAGb7fff15ae [2021-08-31 02:41:48,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/649e8b8bd/6459eafa38234560a3c71827233c02f0 [2021-08-31 02:41:48,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 02:41:48,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 02:41:48,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 02:41:48,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 02:41:48,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 02:41:48,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:41:48" (1/1) ... [2021-08-31 02:41:48,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3866594c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:48, skipping insertion in model container [2021-08-31 02:41:48,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:41:48" (1/1) ... [2021-08-31 02:41:48,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 02:41:48,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 02:41:48,549 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_1-1.c[321,334] [2021-08-31 02:41:48,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:41:48,565 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 02:41:48,575 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_1-1.c[321,334] [2021-08-31 02:41:48,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:41:48,588 INFO L208 MainTranslator]: Completed translation [2021-08-31 02:41:48,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:48 WrapperNode [2021-08-31 02:41:48,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 02:41:48,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 02:41:48,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 02:41:48,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 02:41:48,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:48" (1/1) ... [2021-08-31 02:41:48,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:48" (1/1) ... [2021-08-31 02:41:48,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 02:41:48,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 02:41:48,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 02:41:48,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 02:41:48,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:48" (1/1) ... [2021-08-31 02:41:48,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:48" (1/1) ... [2021-08-31 02:41:48,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:48" (1/1) ... [2021-08-31 02:41:48,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:48" (1/1) ... [2021-08-31 02:41:48,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:48" (1/1) ... [2021-08-31 02:41:48,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:48" (1/1) ... [2021-08-31 02:41:48,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:48" (1/1) ... [2021-08-31 02:41:48,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 02:41:48,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 02:41:48,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 02:41:48,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 02:41:48,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:48" (1/1) ... [2021-08-31 02:41:48,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:48,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:48,702 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 02:41:48,724 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 02:41:48,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-31 02:41:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 02:41:48,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 02:41:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-31 02:41:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 02:41:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 02:41:48,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 02:41:48,891 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 02:41:48,892 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-31 02:41:48,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:41:48 BoogieIcfgContainer [2021-08-31 02:41:48,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 02:41:48,895 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 02:41:48,895 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 02:41:48,897 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 02:41:48,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:41:48,898 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 02:41:48" (1/3) ... [2021-08-31 02:41:48,899 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b947c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:41:48, skipping insertion in model container [2021-08-31 02:41:48,899 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:41:48,899 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:41:48" (2/3) ... [2021-08-31 02:41:48,900 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b947c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:41:48, skipping insertion in model container [2021-08-31 02:41:48,900 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:41:48,900 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:41:48" (3/3) ... [2021-08-31 02:41:48,902 INFO L389 chiAutomizerObserver]: Analyzing ICFG array_1-1.c [2021-08-31 02:41:48,960 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 02:41:48,961 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 02:41:48,961 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 02:41:48,961 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 02:41:48,961 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 02:41:48,961 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 02:41:48,961 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 02:41:48,961 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 02:41:48,973 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 02:41:48,989 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 02:41:48,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:41:48,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:41:48,993 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 02:41:48,994 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 02:41:48,994 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 02:41:48,994 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 02:41:48,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 02:41:48,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:41:48,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:41:48,996 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 02:41:48,997 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 02:41:49,004 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(12);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 10#L-1true havoc main_#res;havoc main_#t~post7, main_#t~mem8, main_~#A~0.base, main_~#A~0.offset, main_~i~0;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(8192);havoc main_~i~0;main_~i~0 := 0; 7#L16-3true [2021-08-31 02:41:49,005 INFO L793 eck$LassoCheckResult]: Loop: 7#L16-3true assume !!(main_~i~0 < 1024);call write~int(main_~i~0, main_~#A~0.base, main_~#A~0.offset + 4 * main_~i~0, 4); 8#L16-2true main_#t~post7 := main_~i~0;main_~i~0 := 1 + main_#t~post7;havoc main_#t~post7; 7#L16-3true [2021-08-31 02:41:49,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:41:49,010 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-08-31 02:41:49,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:41:49,023 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947602050] [2021-08-31 02:41:49,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:41:49,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:41:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:41:49,094 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:41:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:41:49,121 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:41:49,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:41:49,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-08-31 02:41:49,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:41:49,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957349699] [2021-08-31 02:41:49,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:41:49,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:41:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:41:49,143 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:41:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:41:49,159 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:41:49,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:41:49,162 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-08-31 02:41:49,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:41:49,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210643747] [2021-08-31 02:41:49,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:41:49,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:41:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:41:49,187 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:41:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:41:49,218 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:41:49,827 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 02:41:49,827 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 02:41:49,827 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 02:41:49,828 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 02:41:49,828 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 02:41:49,828 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:49,828 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 02:41:49,828 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 02:41:49,829 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_1-1.c_Iteration1_Lasso [2021-08-31 02:41:49,829 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 02:41:49,829 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 02:41:49,851 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 02:41:49,856 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 02:41:49,859 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 02:41:49,861 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 02:41:49,863 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 02:41:50,034 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 02:41:50,037 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 02:41:50,040 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 02:41:50,244 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 02:41:50,247 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 02:41:50,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:50,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:50,252 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 02:41:50,262 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 02:41:50,263 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 02:41:50,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:50,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:50,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:50,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:50,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:41:50,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:41:50,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:50,324 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 02:41:50,324 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:50,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:50,326 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 02:41:50,334 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 02:41:50,334 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 02:41:50,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:50,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:41:50,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:50,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:50,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:50,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:41:50,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:41:50,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:50,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-08-31 02:41:50,370 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:50,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:50,373 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 02:41:50,381 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 02:41:50,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:50,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 02:41:50,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:50,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:50,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:50,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 02:41:50,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 02:41:50,392 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 02:41:50,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:50,422 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 02:41:50,422 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:50,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:50,423 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 02:41:50,432 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 02:41:50,433 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 02:41:50,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:50,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:50,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:50,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:50,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:41:50,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:41:50,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:50,488 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 02:41:50,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:50,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:50,490 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 02:41:50,497 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 02:41:50,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:50,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:50,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:50,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:50,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:41:50,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:41:50,515 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 02:41:50,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:50,551 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 02:41:50,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:50,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:50,557 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 02:41:50,574 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 02:41:50,575 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 02:41:50,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:50,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:50,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:50,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:50,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:41:50,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:41:50,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:50,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-08-31 02:41:50,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:50,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:50,616 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 02:41:50,618 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 02:41:50,619 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 02:41:50,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:50,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:50,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:50,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:50,628 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:41:50,628 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:41:50,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:50,647 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 02:41:50,647 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:50,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:50,648 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 02:41:50,649 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 02:41:50,650 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 02:41:50,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:50,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:50,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:50,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:50,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:41:50,659 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:41:50,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:50,725 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 02:41:50,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:50,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:50,728 INFO L229 MonitoredProcess]: Starting monitored process 10 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 02:41:50,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-31 02:41:50,730 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 02:41:50,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:50,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:50,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:50,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:50,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:41:50,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:41:50,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:50,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:50,795 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:50,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:50,796 INFO L229 MonitoredProcess]: Starting monitored process 11 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 02:41:50,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-31 02:41:50,798 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 02:41:50,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:50,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:50,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:50,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:50,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:41:50,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:41:50,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:50,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:50,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:50,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:50,830 INFO L229 MonitoredProcess]: Starting monitored process 12 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 02:41:50,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-31 02:41:50,832 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 02:41:50,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:50,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:50,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:50,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:50,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:41:50,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:41:50,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:50,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:50,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:50,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:50,903 INFO L229 MonitoredProcess]: Starting monitored process 13 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 02:41:50,911 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 02:41:50,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:50,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:50,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:50,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:50,921 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:41:50,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:41:50,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-31 02:41:50,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:50,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:50,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:50,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:50,967 INFO L229 MonitoredProcess]: Starting monitored process 14 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 02:41:50,977 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 02:41:50,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:50,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:50,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:50,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:50,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:41:50,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:41:50,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-31 02:41:51,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 02:41:51,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:51,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:51,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:51,023 INFO L229 MonitoredProcess]: Starting monitored process 15 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 02:41:51,032 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 02:41:51,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-31 02:41:51,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 02:41:51,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 02:41:51,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 02:41:51,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 02:41:51,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 02:41:51,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 02:41:51,064 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 02:41:51,099 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-08-31 02:41:51,099 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-08-31 02:41:51,101 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:41:51,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:41:51,125 INFO L229 MonitoredProcess]: Starting monitored process 16 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 02:41:51,188 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 02:41:51,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-31 02:41:51,210 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 02:41:51,210 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 02:41:51,211 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 + 2047*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1 Supporting invariants [] [2021-08-31 02:41:51,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:51,261 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-08-31 02:41:51,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:41:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:41:51,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 02:41:51,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:41:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:41:51,309 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-31 02:41:51,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 02:41:51,339 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 02:41:51,364 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 02:41:51,365 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 02:41:51,409 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 02:41:51,410 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 02:41:51,414 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 02:41:51,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2021-08-31 02:41:51,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 2 letters. [2021-08-31 02:41:51,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:41:51,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2021-08-31 02:41:51,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:41:51,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. [2021-08-31 02:41:51,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 02:41:51,417 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2021-08-31 02:41:51,420 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 02:41:51,421 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-08-31 02:41:51,422 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 02:41:51,422 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 02:41:51,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 02:41:51,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:41:51,423 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 02:41:51,423 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 02:41:51,423 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 02:41:51,423 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 02:41:51,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 02:41:51,424 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 02:41:51,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 02:41:51,426 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 02:41:51,429 INFO L158 Benchmark]: Toolchain (without parser) took 3033.62ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 29.9MB in the beginning and 41.8MB in the end (delta: -11.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-08-31 02:41:51,429 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 52.4MB. Free memory was 34.7MB in the beginning and 34.7MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:41:51,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.57ms. Allocated memory is still 52.4MB. Free memory was 29.7MB in the beginning and 34.3MB in the end (delta: -4.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2021-08-31 02:41:51,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.59ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 34.3MB in the beginning and 47.0MB in the end (delta: -12.8MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2021-08-31 02:41:51,431 INFO L158 Benchmark]: Boogie Preprocessor took 17.91ms. Allocated memory is still 62.9MB. Free memory was 47.0MB in the beginning and 45.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:41:51,431 INFO L158 Benchmark]: RCFGBuilder took 221.80ms. Allocated memory is still 62.9MB. Free memory was 45.9MB in the beginning and 37.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-31 02:41:51,432 INFO L158 Benchmark]: BuchiAutomizer took 2533.04ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 37.5MB in the beginning and 41.8MB in the end (delta: -4.2MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-08-31 02:41:51,434 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 52.4MB. Free memory was 34.7MB in the beginning and 34.7MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.57ms. Allocated memory is still 52.4MB. Free memory was 29.7MB in the beginning and 34.3MB in the end (delta: -4.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.59ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 34.3MB in the beginning and 47.0MB in the end (delta: -12.8MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.91ms. Allocated memory is still 62.9MB. Free memory was 47.0MB in the beginning and 45.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 221.80ms. Allocated memory is still 62.9MB. Free memory was 45.9MB in the beginning and 37.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2533.04ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 37.5MB in the beginning and 41.8MB in the end (delta: -4.2MB). Peak memory consumption was 8.6MB. 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 2047 * 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 02:41:51,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-31 02:41:51,673 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...