./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-dietlibc/strcspn.i --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-dietlibc/strcspn.i -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 eaca3e09b762fe94634aa0b3e6a04213782212a5 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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 01:33:24,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 01:33:24,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 01:33:24,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 01:33:24,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 01:33:24,295 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 01:33:24,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 01:33:24,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 01:33:24,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 01:33:24,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 01:33:24,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 01:33:24,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 01:33:24,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 01:33:24,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 01:33:24,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 01:33:24,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 01:33:24,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 01:33:24,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 01:33:24,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 01:33:24,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 01:33:24,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 01:33:24,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 01:33:24,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 01:33:24,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 01:33:24,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 01:33:24,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 01:33:24,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 01:33:24,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 01:33:24,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 01:33:24,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 01:33:24,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 01:33:24,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 01:33:24,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 01:33:24,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 01:33:24,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 01:33:24,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 01:33:24,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 01:33:24,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 01:33:24,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 01:33:24,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 01:33:24,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 01:33:24,341 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-31 01:33:24,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 01:33:24,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 01:33:24,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 01:33:24,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 01:33:24,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 01:33:24,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 01:33:24,371 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 01:33:24,371 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 01:33:24,371 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 01:33:24,371 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 01:33:24,371 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 01:33:24,371 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 01:33:24,371 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 01:33:24,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 01:33:24,371 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 01:33:24,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 01:33:24,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 01:33:24,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 01:33:24,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 01:33:24,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 01:33:24,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 01:33:24,384 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 01:33:24,385 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 01:33:24,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 01:33:24,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 01:33:24,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 01:33:24,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 01:33:24,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 01:33:24,385 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 01:33:24,386 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 01:33:24,386 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eaca3e09b762fe94634aa0b3e6a04213782212a5 [2021-08-31 01:33:24,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 01:33:24,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 01:33:24,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 01:33:24,687 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 01:33:24,688 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 01:33:24,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-dietlibc/strcspn.i [2021-08-31 01:33:24,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/147813565/b2ac10066e8542699911698bff3239b0/FLAGf410cf2f0 [2021-08-31 01:33:25,126 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 01:33:25,126 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-dietlibc/strcspn.i [2021-08-31 01:33:25,134 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/147813565/b2ac10066e8542699911698bff3239b0/FLAGf410cf2f0 [2021-08-31 01:33:25,506 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/147813565/b2ac10066e8542699911698bff3239b0 [2021-08-31 01:33:25,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 01:33:25,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 01:33:25,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 01:33:25,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 01:33:25,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 01:33:25,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:33:25" (1/1) ... [2021-08-31 01:33:25,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6094172d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:33:25, skipping insertion in model container [2021-08-31 01:33:25,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 01:33:25" (1/1) ... [2021-08-31 01:33:25,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 01:33:25,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 01:33:25,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:33:25,774 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 01:33:25,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 01:33:25,836 INFO L208 MainTranslator]: Completed translation [2021-08-31 01:33:25,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:33:25 WrapperNode [2021-08-31 01:33:25,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 01:33:25,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 01:33:25,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 01:33:25,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 01:33:25,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:33:25" (1/1) ... [2021-08-31 01:33:25,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:33:25" (1/1) ... [2021-08-31 01:33:25,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 01:33:25,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 01:33:25,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 01:33:25,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 01:33:25,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:33:25" (1/1) ... [2021-08-31 01:33:25,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:33:25" (1/1) ... [2021-08-31 01:33:25,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:33:25" (1/1) ... [2021-08-31 01:33:25,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:33:25" (1/1) ... [2021-08-31 01:33:25,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:33:25" (1/1) ... [2021-08-31 01:33:25,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:33:25" (1/1) ... [2021-08-31 01:33:25,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:33:25" (1/1) ... [2021-08-31 01:33:25,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 01:33:25,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 01:33:25,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 01:33:25,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 01:33:25,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:33:25" (1/1) ... [2021-08-31 01:33:25,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:25,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:25,940 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 01:33:25,957 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 01:33:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-31 01:33:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-31 01:33:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 01:33:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 01:33:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 01:33:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 01:33:26,097 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 01:33:26,097 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-31 01:33:26,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:33:26 BoogieIcfgContainer [2021-08-31 01:33:26,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 01:33:26,099 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 01:33:26,099 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 01:33:26,101 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 01:33:26,101 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:33:26,102 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 01:33:25" (1/3) ... [2021-08-31 01:33:26,102 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57fc7c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:33:26, skipping insertion in model container [2021-08-31 01:33:26,102 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:33:26,102 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 01:33:25" (2/3) ... [2021-08-31 01:33:26,102 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57fc7c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 01:33:26, skipping insertion in model container [2021-08-31 01:33:26,102 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 01:33:26,103 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 01:33:26" (3/3) ... [2021-08-31 01:33:26,103 INFO L389 chiAutomizerObserver]: Analyzing ICFG strcspn.i [2021-08-31 01:33:26,130 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 01:33:26,130 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 01:33:26,130 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 01:33:26,130 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 01:33:26,130 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 01:33:26,130 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 01:33:26,130 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 01:33:26,130 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 01:33:26,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 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 01:33:26,150 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-08-31 01:33:26,150 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:33:26,150 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:33:26,154 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-31 01:33:26,154 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-31 01:33:26,154 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 01:33:26,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 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 01:33:26,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-08-31 01:33:26,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:33:26,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:33:26,156 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-31 01:33:26,156 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-31 01:33:26,162 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 5#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~ret13, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet9;havoc main_#t~nondet9; 18#L519true assume !(main_~in_len~0 < 1);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet11;havoc main_#t~nondet11; 11#L523true assume !(main_~out_len~0 < 1);call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcspn_#res;havoc strcspn_#t~mem4, strcspn_#t~mem5, strcspn_#t~pre3, strcspn_#t~mem6, strcspn_#t~pre7, strcspn_#t~pre2.base, strcspn_#t~pre2.offset, strcspn_#t~mem8, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~0, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~0 := 0;havoc strcspn_~i~0; 7#L510-4true [2021-08-31 01:33:26,162 INFO L793 eck$LassoCheckResult]: Loop: 7#L510-4true call strcspn_#t~mem8 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 13#L510-1true assume !!(0 != strcspn_#t~mem8);havoc strcspn_#t~mem8;strcspn_~i~0 := 0; 10#L511-4true assume !true; 15#L511-5true strcspn_#t~pre7 := 1 + strcspn_~l~0;strcspn_~l~0 := 1 + strcspn_~l~0;havoc strcspn_#t~pre7; 12#L510-3true strcspn_#t~pre2.base, strcspn_#t~pre2.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre2.base, strcspn_#t~pre2.offset; 7#L510-4true [2021-08-31 01:33:26,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:26,166 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-08-31 01:33:26,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:33:26,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571628619] [2021-08-31 01:33:26,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:33:26,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:33:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:26,237 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:33:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:26,268 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:33:26,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:26,270 INFO L82 PathProgramCache]: Analyzing trace with hash 44069891, now seen corresponding path program 1 times [2021-08-31 01:33:26,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:33:26,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370864447] [2021-08-31 01:33:26,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:33:26,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:33:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:26,315 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 01:33:26,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:33:26,316 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370864447] [2021-08-31 01:33:26,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370864447] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 01:33:26,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 01:33:26,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-31 01:33:26,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647802343] [2021-08-31 01:33:26,320 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 01:33:26,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:33:26,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-31 01:33:26,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-31 01:33:26,341 INFO L87 Difference]: Start difference. First operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 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 2.5) internal successors, (5), 2 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 01:33:26,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:33:26,377 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2021-08-31 01:33:26,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-31 01:33:26,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2021-08-31 01:33:26,385 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-08-31 01:33:26,387 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 12 states and 13 transitions. [2021-08-31 01:33:26,387 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-08-31 01:33:26,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-08-31 01:33:26,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 13 transitions. [2021-08-31 01:33:26,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:33:26,388 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-08-31 01:33:26,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 13 transitions. [2021-08-31 01:33:26,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-08-31 01:33:26,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 11 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 01:33:26,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2021-08-31 01:33:26,406 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-08-31 01:33:26,406 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-08-31 01:33:26,407 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 01:33:26,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 13 transitions. [2021-08-31 01:33:26,408 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-08-31 01:33:26,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:33:26,408 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:33:26,408 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-31 01:33:26,409 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-08-31 01:33:26,409 INFO L791 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 45#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~ret13, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet9;havoc main_#t~nondet9; 52#L519 assume !(main_~in_len~0 < 1);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet11;havoc main_#t~nondet11; 48#L523 assume !(main_~out_len~0 < 1);call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcspn_#res;havoc strcspn_#t~mem4, strcspn_#t~mem5, strcspn_#t~pre3, strcspn_#t~mem6, strcspn_#t~pre7, strcspn_#t~pre2.base, strcspn_#t~pre2.offset, strcspn_#t~mem8, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~0, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~0 := 0;havoc strcspn_~i~0; 47#L510-4 [2021-08-31 01:33:26,409 INFO L793 eck$LassoCheckResult]: Loop: 47#L510-4 call strcspn_#t~mem8 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 49#L510-1 assume !!(0 != strcspn_#t~mem8);havoc strcspn_#t~mem8;strcspn_~i~0 := 0; 42#L511-4 call strcspn_#t~mem6 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 43#L511-1 assume !(0 != strcspn_#t~mem6);havoc strcspn_#t~mem6; 53#L511-5 strcspn_#t~pre7 := 1 + strcspn_~l~0;strcspn_~l~0 := 1 + strcspn_~l~0;havoc strcspn_#t~pre7; 46#L510-3 strcspn_#t~pre2.base, strcspn_#t~pre2.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre2.base, strcspn_#t~pre2.offset; 47#L510-4 [2021-08-31 01:33:26,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:26,412 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 2 times [2021-08-31 01:33:26,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:33:26,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887462872] [2021-08-31 01:33:26,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:33:26,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:33:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:26,446 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:33:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:26,478 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:33:26,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:26,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1365737035, now seen corresponding path program 1 times [2021-08-31 01:33:26,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:33:26,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762453773] [2021-08-31 01:33:26,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:33:26,479 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:33:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:26,484 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:33:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:26,505 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:33:26,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:26,506 INFO L82 PathProgramCache]: Analyzing trace with hash 736220402, now seen corresponding path program 1 times [2021-08-31 01:33:26,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:33:26,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551812676] [2021-08-31 01:33:26,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:33:26,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:33:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:26,547 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:33:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:26,595 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:33:27,136 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:33:27,136 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:33:27,136 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:33:27,137 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:33:27,137 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:33:27,137 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:27,137 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:33:27,137 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:33:27,137 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcspn.i_Iteration2_Lasso [2021-08-31 01:33:27,137 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:33:27,137 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:33:27,148 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 01:33:27,151 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 01:33:27,153 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 01:33:27,154 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 01:33:27,156 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 01:33:27,158 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 01:33:27,159 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 01:33:27,160 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 01:33:27,162 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 01:33:27,164 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 01:33:27,166 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 01:33:27,167 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 01:33:27,168 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 01:33:27,436 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 01:33:27,437 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 01:33:27,439 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 01:33:27,440 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 01:33:27,703 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:33:27,706 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:33:27,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:27,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:27,708 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 01:33:27,714 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 01:33:27,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:27,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:27,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:27,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:27,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:27,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:27,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:27,725 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 01:33:27,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:27,750 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 01:33:27,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:27,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:27,751 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 01:33:27,752 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 01:33:27,753 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 01:33:27,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:27,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:27,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:27,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:27,769 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:27,769 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:27,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:27,801 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 01:33:27,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:27,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:27,802 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 01:33:27,803 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 01:33:27,804 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 01:33:27,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:27,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:27,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:27,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:27,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:27,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:27,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:27,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:27,841 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 01:33:27,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:27,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:27,842 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 01:33:27,843 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 01:33:27,844 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 01:33:27,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:27,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:27,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:27,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:27,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:27,852 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:27,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:27,884 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 01:33:27,884 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:27,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:27,885 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 01:33:27,886 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 01:33:27,887 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 01:33:27,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:27,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:27,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:27,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:27,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:27,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:27,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:27,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:27,926 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 01:33:27,926 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:27,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:27,927 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 01:33:27,928 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 01:33:27,929 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 01:33:27,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:27,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:27,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:27,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:27,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:27,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:27,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:27,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:27,968 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 01:33:27,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:27,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:27,972 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 01:33:27,977 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 01:33:27,978 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 01:33:27,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:27,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:27,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:27,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:27,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:27,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:27,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:28,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:28,021 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 01:33:28,022 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:28,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:28,022 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 01:33:28,024 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 01:33:28,026 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 01:33:28,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:28,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:28,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:28,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:28,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:28,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:28,035 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:28,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:28,065 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 01:33:28,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:28,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:28,066 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 01:33:28,067 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 01:33:28,068 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 01:33:28,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:28,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:28,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:28,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:28,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:28,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:28,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:28,114 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 01:33:28,115 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:28,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:28,115 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 01:33:28,117 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 01:33:28,118 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 01:33:28,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:28,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:28,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:28,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:28,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:28,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:28,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:28,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:28,174 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 01:33:28,174 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:28,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:28,175 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 01:33:28,176 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 01:33:28,177 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 01:33:28,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:28,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:28,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:28,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:28,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:28,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:28,185 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:28,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:28,201 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 01:33:28,201 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:28,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:28,202 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 01:33:28,203 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 01:33:28,204 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 01:33:28,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:28,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:28,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:28,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:28,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:28,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:28,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:28,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:28,229 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 01:33:28,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:28,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:28,231 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 01:33:28,231 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 01:33:28,233 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 01:33:28,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:28,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:28,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:28,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:28,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:28,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:28,260 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:33:28,277 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-08-31 01:33:28,277 INFO L444 ModelExtractionUtils]: 8 out of 25 variables were initially zero. Simplification set additionally 14 variables to zero. [2021-08-31 01:33:28,278 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:28,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:28,279 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 01:33:28,339 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:33:28,345 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 01:33:28,366 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 01:33:28,367 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:33:28,367 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1) = -1*ULTIMATE.start_strcspn_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_1 Supporting invariants [] [2021-08-31 01:33:28,390 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 01:33:28,421 INFO L297 tatePredicateManager]: 14 out of 15 supporting invariants were superfluous and have been removed [2021-08-31 01:33:28,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:28,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-31 01:33:28,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:33:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:28,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-31 01:33:28,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:33:28,549 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 01:33:28,551 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-08-31 01:33:28,552 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 13 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 01:33:28,556 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 01:33:28,590 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 13 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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) Result 20 states and 23 transitions. Complement of second has 5 states. [2021-08-31 01:33:28,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 01:33:28,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 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 01:33:28,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2021-08-31 01:33:28,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 6 letters. [2021-08-31 01:33:28,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:33:28,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 10 letters. Loop has 6 letters. [2021-08-31 01:33:28,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:33:28,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 4 letters. Loop has 12 letters. [2021-08-31 01:33:28,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:33:28,593 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2021-08-31 01:33:28,594 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 01:33:28,594 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 18 states and 21 transitions. [2021-08-31 01:33:28,594 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-08-31 01:33:28,594 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-08-31 01:33:28,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-08-31 01:33:28,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:33:28,594 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-08-31 01:33:28,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-08-31 01:33:28,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-08-31 01:33:28,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 states have internal predecessors, (21), 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 01:33:28,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2021-08-31 01:33:28,595 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-08-31 01:33:28,595 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-08-31 01:33:28,595 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 01:33:28,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2021-08-31 01:33:28,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 01:33:28,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:33:28,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:33:28,596 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 01:33:28,596 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 01:33:28,596 INFO L791 eck$LassoCheckResult]: Stem: 192#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 193#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~ret13, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet9;havoc main_#t~nondet9; 204#L519 assume !(main_~in_len~0 < 1);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet11;havoc main_#t~nondet11; 198#L523 assume !(main_~out_len~0 < 1);call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcspn_#res;havoc strcspn_#t~mem4, strcspn_#t~mem5, strcspn_#t~pre3, strcspn_#t~mem6, strcspn_#t~pre7, strcspn_#t~pre2.base, strcspn_#t~pre2.offset, strcspn_#t~mem8, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~0, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~0 := 0;havoc strcspn_~i~0; 199#L510-4 call strcspn_#t~mem8 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 202#L510-1 assume !!(0 != strcspn_#t~mem8);havoc strcspn_#t~mem8;strcspn_~i~0 := 0; 194#L511-4 [2021-08-31 01:33:28,596 INFO L793 eck$LassoCheckResult]: Loop: 194#L511-4 call strcspn_#t~mem6 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 195#L511-1 assume !!(0 != strcspn_#t~mem6);havoc strcspn_#t~mem6;call strcspn_#t~mem4 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem5 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 205#L512 assume !(strcspn_#t~mem4 == strcspn_#t~mem5);havoc strcspn_#t~mem4;havoc strcspn_#t~mem5; 206#L511-3 strcspn_#t~pre3 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre3; 194#L511-4 [2021-08-31 01:33:28,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:28,597 INFO L82 PathProgramCache]: Analyzing trace with hash 889571309, now seen corresponding path program 1 times [2021-08-31 01:33:28,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:33:28,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74744208] [2021-08-31 01:33:28,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:33:28,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:33:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:28,607 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:33:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:28,617 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:33:28,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:28,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1698248, now seen corresponding path program 1 times [2021-08-31 01:33:28,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:33:28,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216020901] [2021-08-31 01:33:28,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:33:28,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:33:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:28,620 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:33:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:28,623 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:33:28,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:28,623 INFO L82 PathProgramCache]: Analyzing trace with hash 736222132, now seen corresponding path program 1 times [2021-08-31 01:33:28,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:33:28,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119640890] [2021-08-31 01:33:28,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:33:28,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:33:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:28,634 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:33:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:28,645 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:33:29,205 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:33:29,205 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:33:29,205 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:33:29,205 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:33:29,205 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:33:29,205 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:29,205 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:33:29,205 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:33:29,205 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcspn.i_Iteration3_Lasso [2021-08-31 01:33:29,205 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:33:29,205 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:33:29,207 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 01:33:29,210 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 01:33:29,211 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 01:33:29,213 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 01:33:29,214 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 01:33:29,215 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 01:33:29,217 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 01:33:29,218 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 01:33:29,219 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 01:33:29,220 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 01:33:29,221 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 01:33:29,222 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 01:33:29,223 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 01:33:29,225 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 01:33:29,226 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 01:33:29,227 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 01:33:29,482 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 01:33:29,484 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 01:33:29,824 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:33:29,824 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:33:29,824 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:29,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:29,825 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 01:33:29,826 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 01:33:29,827 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 01:33:29,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:29,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:29,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:29,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:29,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:29,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:29,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:29,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:29,857 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 01:33:29,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:29,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:29,858 INFO L229 MonitoredProcess]: Starting monitored process 17 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 01:33:29,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-31 01:33:29,860 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 01:33:29,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:29,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:29,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:29,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:29,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:29,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:29,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:29,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:29,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:29,897 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:29,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:29,898 INFO L229 MonitoredProcess]: Starting monitored process 18 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 01:33:29,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-31 01:33:29,900 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 01:33:29,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:29,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:29,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:29,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:29,907 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:29,907 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:29,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:29,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:29,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:29,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:29,938 INFO L229 MonitoredProcess]: Starting monitored process 19 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 01:33:29,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-08-31 01:33:29,940 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 01:33:29,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:29,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:29,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:29,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:29,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:29,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:29,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:29,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:29,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:29,977 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:29,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:29,978 INFO L229 MonitoredProcess]: Starting monitored process 20 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 01:33:29,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-08-31 01:33:29,984 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 01:33:30,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:30,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:30,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:30,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:30,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:30,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:30,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:30,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:30,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:30,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:30,037 INFO L229 MonitoredProcess]: Starting monitored process 21 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 01:33:30,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-08-31 01:33:30,053 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 01:33:30,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:30,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:30,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:30,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:30,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:30,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:30,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:30,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:30,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:30,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:30,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:30,087 INFO L229 MonitoredProcess]: Starting monitored process 22 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 01:33:30,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-08-31 01:33:30,089 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 01:33:30,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:30,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:30,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:30,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:30,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:30,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:30,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:30,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:30,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:30,161 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:30,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:30,164 INFO L229 MonitoredProcess]: Starting monitored process 23 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 01:33:30,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-08-31 01:33:30,166 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 01:33:30,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:30,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:30,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:30,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:30,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:30,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:30,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:30,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:30,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-08-31 01:33:30,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:30,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:30,216 INFO L229 MonitoredProcess]: Starting monitored process 24 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 01:33:30,225 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 01:33:30,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-08-31 01:33:30,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:30,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:30,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:30,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:30,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:30,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:30,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:30,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:30,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-08-31 01:33:30,248 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:30,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:30,249 INFO L229 MonitoredProcess]: Starting monitored process 25 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 01:33:30,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-08-31 01:33:30,250 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 01:33:30,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:30,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:30,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:30,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:30,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:30,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:30,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:30,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:30,278 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:30,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:30,279 INFO L229 MonitoredProcess]: Starting monitored process 26 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 01:33:30,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-08-31 01:33:30,281 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 01:33:30,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:30,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:30,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:30,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:30,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:30,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:30,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:30,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:30,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:30,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:30,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:30,306 INFO L229 MonitoredProcess]: Starting monitored process 27 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 01:33:30,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-08-31 01:33:30,307 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 01:33:30,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:30,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:30,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:30,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:30,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:30,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:30,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:30,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:30,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:30,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:30,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:30,330 INFO L229 MonitoredProcess]: Starting monitored process 28 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 01:33:30,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-08-31 01:33:30,333 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 01:33:30,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:30,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:30,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:30,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:30,344 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:30,344 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:30,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:30,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-08-31 01:33:30,364 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:30,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:30,364 INFO L229 MonitoredProcess]: Starting monitored process 29 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 01:33:30,366 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 01:33:30,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:30,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:30,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:30,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:30,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:30,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-08-31 01:33:30,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:30,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:30,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:30,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-08-31 01:33:30,389 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:30,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:30,390 INFO L229 MonitoredProcess]: Starting monitored process 30 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 01:33:30,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-08-31 01:33:30,392 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 01:33:30,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:30,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:30,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:30,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:30,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:30,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:30,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:30,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:30,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-08-31 01:33:30,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:30,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:30,415 INFO L229 MonitoredProcess]: Starting monitored process 31 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 01:33:30,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-08-31 01:33:30,417 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 01:33:30,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:30,423 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-31 01:33:30,423 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-08-31 01:33:30,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:30,434 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2021-08-31 01:33:30,434 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-08-31 01:33:30,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:30,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:30,476 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:30,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:30,477 INFO L229 MonitoredProcess]: Starting monitored process 32 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 01:33:30,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-08-31 01:33:30,480 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 01:33:30,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:30,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:30,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:30,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:30,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:30,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:30,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:30,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:30,535 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:30,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:30,536 INFO L229 MonitoredProcess]: Starting monitored process 33 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 01:33:30,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-08-31 01:33:30,538 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 01:33:30,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:30,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:30,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:30,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:30,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:30,546 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:30,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:30,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:30,571 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:30,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:30,572 INFO L229 MonitoredProcess]: Starting monitored process 34 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 01:33:30,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-08-31 01:33:30,578 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 01:33:30,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:30,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:30,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:30,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:30,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:30,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:30,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:30,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:30,634 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:30,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:30,635 INFO L229 MonitoredProcess]: Starting monitored process 35 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 01:33:30,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-08-31 01:33:30,637 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 01:33:30,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:30,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:30,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:30,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:30,651 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:30,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:30,684 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:33:30,696 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-08-31 01:33:30,696 INFO L444 ModelExtractionUtils]: 44 out of 49 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-08-31 01:33:30,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:30,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:30,713 INFO L229 MonitoredProcess]: Starting monitored process 36 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 01:33:30,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-08-31 01:33:30,740 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:33:30,747 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 01:33:30,747 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:33:30,748 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, ULTIMATE.start_strcspn_~reject.offset, v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_2) = -1*ULTIMATE.start_strcspn_~i~0 - 1*ULTIMATE.start_strcspn_~reject.offset + 1*v_rep(select #length ULTIMATE.start_strcspn_~reject.base)_2 Supporting invariants [] [2021-08-31 01:33:30,763 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:30,810 INFO L297 tatePredicateManager]: 18 out of 18 supporting invariants were superfluous and have been removed [2021-08-31 01:33:30,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:30,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 01:33:30,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:33:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:30,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 01:33:30,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:33:30,895 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 01:33:30,895 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 01:33:30,895 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 01:33:30,932 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) Result 45 states and 51 transitions. Complement of second has 5 states. [2021-08-31 01:33:30,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 01:33:30,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 01:33:30,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2021-08-31 01:33:30,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 6 letters. Loop has 4 letters. [2021-08-31 01:33:30,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:33:30,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 10 letters. Loop has 4 letters. [2021-08-31 01:33:30,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:33:30,945 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 6 letters. Loop has 8 letters. [2021-08-31 01:33:30,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:33:30,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 51 transitions. [2021-08-31 01:33:30,947 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 01:33:30,947 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 29 states and 33 transitions. [2021-08-31 01:33:30,947 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-08-31 01:33:30,947 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-08-31 01:33:30,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 33 transitions. [2021-08-31 01:33:30,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:33:30,947 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 33 transitions. [2021-08-31 01:33:30,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 33 transitions. [2021-08-31 01:33:30,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 24. [2021-08-31 01:33:30,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.125) internal successors, (27), 23 states have internal predecessors, (27), 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 01:33:30,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-08-31 01:33:30,949 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-08-31 01:33:30,949 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-08-31 01:33:30,949 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 01:33:30,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 27 transitions. [2021-08-31 01:33:30,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 01:33:30,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:33:30,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:33:30,950 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:33:30,950 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 01:33:30,950 INFO L791 eck$LassoCheckResult]: Stem: 378#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 379#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~ret13, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet9;havoc main_#t~nondet9; 390#L519 assume !(main_~in_len~0 < 1);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet11;havoc main_#t~nondet11; 384#L523 assume !(main_~out_len~0 < 1);call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcspn_#res;havoc strcspn_#t~mem4, strcspn_#t~mem5, strcspn_#t~pre3, strcspn_#t~mem6, strcspn_#t~pre7, strcspn_#t~pre2.base, strcspn_#t~pre2.offset, strcspn_#t~mem8, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~0, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~0 := 0;havoc strcspn_~i~0; 385#L510-4 call strcspn_#t~mem8 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 395#L510-1 assume !!(0 != strcspn_#t~mem8);havoc strcspn_#t~mem8;strcspn_~i~0 := 0; 398#L511-4 call strcspn_#t~mem6 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 397#L511-1 assume !(0 != strcspn_#t~mem6);havoc strcspn_#t~mem6; 396#L511-5 strcspn_#t~pre7 := 1 + strcspn_~l~0;strcspn_~l~0 := 1 + strcspn_~l~0;havoc strcspn_#t~pre7; 386#L510-3 strcspn_#t~pre2.base, strcspn_#t~pre2.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre2.base, strcspn_#t~pre2.offset; 387#L510-4 call strcspn_#t~mem8 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 388#L510-1 assume !!(0 != strcspn_#t~mem8);havoc strcspn_#t~mem8;strcspn_~i~0 := 0; 380#L511-4 [2021-08-31 01:33:30,950 INFO L793 eck$LassoCheckResult]: Loop: 380#L511-4 call strcspn_#t~mem6 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 381#L511-1 assume !!(0 != strcspn_#t~mem6);havoc strcspn_#t~mem6;call strcspn_#t~mem4 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem5 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 391#L512 assume !(strcspn_#t~mem4 == strcspn_#t~mem5);havoc strcspn_#t~mem4;havoc strcspn_#t~mem5; 392#L511-3 strcspn_#t~pre3 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre3; 380#L511-4 [2021-08-31 01:33:30,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:30,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1161797001, now seen corresponding path program 2 times [2021-08-31 01:33:30,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:33:30,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806724652] [2021-08-31 01:33:30,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:33:30,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:33:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:30,985 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:33:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:31,000 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:33:31,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:31,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1698248, now seen corresponding path program 2 times [2021-08-31 01:33:31,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:33:31,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032715264] [2021-08-31 01:33:31,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:33:31,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:33:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:31,006 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:33:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:31,008 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:33:31,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:31,008 INFO L82 PathProgramCache]: Analyzing trace with hash -967302850, now seen corresponding path program 1 times [2021-08-31 01:33:31,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:33:31,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061004998] [2021-08-31 01:33:31,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:33:31,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:33:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:31,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:33:31,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 01:33:31,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061004998] [2021-08-31 01:33:31,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061004998] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-31 01:33:31,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82874560] [2021-08-31 01:33:31,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:33:31,105 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 01:33:31,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:31,117 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 01:33:31,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:31,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2021-08-31 01:33:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:31,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 18 conjunts are in the unsatisfiable core [2021-08-31 01:33:31,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:33:31,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-08-31 01:33:31,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:33:31,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 01:33:31,286 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-08-31 01:33:31,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 11 [2021-08-31 01:33:31,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 01:33:31,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82874560] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 01:33:31,295 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-31 01:33:31,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2021-08-31 01:33:31,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544453275] [2021-08-31 01:33:31,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 01:33:31,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-31 01:33:31,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-08-31 01:33:31,342 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. cyclomatic complexity: 6 Second operand has 15 states, 15 states have (on average 2.066666666666667) internal successors, (31), 15 states have internal predecessors, (31), 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 01:33:31,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 01:33:31,410 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2021-08-31 01:33:31,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-31 01:33:31,411 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 51 transitions. [2021-08-31 01:33:31,412 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 01:33:31,412 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 36 states and 39 transitions. [2021-08-31 01:33:31,413 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-08-31 01:33:31,413 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-08-31 01:33:31,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 39 transitions. [2021-08-31 01:33:31,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:33:31,413 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 39 transitions. [2021-08-31 01:33:31,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 39 transitions. [2021-08-31 01:33:31,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 27. [2021-08-31 01:33:31,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 states have internal predecessors, (30), 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 01:33:31,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2021-08-31 01:33:31,414 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 30 transitions. [2021-08-31 01:33:31,414 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 30 transitions. [2021-08-31 01:33:31,415 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-31 01:33:31,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 30 transitions. [2021-08-31 01:33:31,415 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 01:33:31,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:33:31,415 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:33:31,415 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 01:33:31,415 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 01:33:31,415 INFO L791 eck$LassoCheckResult]: Stem: 562#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 563#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~ret13, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet9;havoc main_#t~nondet9; 575#L519 assume !(main_~in_len~0 < 1);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet11;havoc main_#t~nondet11; 568#L523 assume !(main_~out_len~0 < 1);call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcspn_#res;havoc strcspn_#t~mem4, strcspn_#t~mem5, strcspn_#t~pre3, strcspn_#t~mem6, strcspn_#t~pre7, strcspn_#t~pre2.base, strcspn_#t~pre2.offset, strcspn_#t~mem8, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~0, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~0 := 0;havoc strcspn_~i~0; 569#L510-4 call strcspn_#t~mem8 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 580#L510-1 assume !!(0 != strcspn_#t~mem8);havoc strcspn_#t~mem8;strcspn_~i~0 := 0; 566#L511-4 call strcspn_#t~mem6 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 567#L511-1 assume !!(0 != strcspn_#t~mem6);havoc strcspn_#t~mem6;call strcspn_#t~mem4 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem5 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 578#L512 assume !(strcspn_#t~mem4 == strcspn_#t~mem5);havoc strcspn_#t~mem4;havoc strcspn_#t~mem5; 579#L511-3 strcspn_#t~pre3 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre3; 582#L511-4 call strcspn_#t~mem6 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 583#L511-1 assume !(0 != strcspn_#t~mem6);havoc strcspn_#t~mem6; 581#L511-5 strcspn_#t~pre7 := 1 + strcspn_~l~0;strcspn_~l~0 := 1 + strcspn_~l~0;havoc strcspn_#t~pre7; 570#L510-3 strcspn_#t~pre2.base, strcspn_#t~pre2.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre2.base, strcspn_#t~pre2.offset; 571#L510-4 call strcspn_#t~mem8 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 572#L510-1 assume !!(0 != strcspn_#t~mem8);havoc strcspn_#t~mem8;strcspn_~i~0 := 0; 564#L511-4 [2021-08-31 01:33:31,416 INFO L793 eck$LassoCheckResult]: Loop: 564#L511-4 call strcspn_#t~mem6 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 565#L511-1 assume !!(0 != strcspn_#t~mem6);havoc strcspn_#t~mem6;call strcspn_#t~mem4 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem5 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 576#L512 assume !(strcspn_#t~mem4 == strcspn_#t~mem5);havoc strcspn_#t~mem4;havoc strcspn_#t~mem5; 577#L511-3 strcspn_#t~pre3 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre3; 564#L511-4 [2021-08-31 01:33:31,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:31,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1375356158, now seen corresponding path program 2 times [2021-08-31 01:33:31,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:33:31,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267481406] [2021-08-31 01:33:31,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:33:31,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:33:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:31,423 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:33:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:31,432 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:33:31,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:31,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1698248, now seen corresponding path program 3 times [2021-08-31 01:33:31,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:33:31,433 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512063154] [2021-08-31 01:33:31,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:33:31,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:33:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:31,435 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:33:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:31,437 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:33:31,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:31,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1858115515, now seen corresponding path program 3 times [2021-08-31 01:33:31,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:33:31,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459220380] [2021-08-31 01:33:31,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:33:31,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:33:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:31,444 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:33:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:31,452 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:33:32,110 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:33:32,110 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:33:32,110 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:33:32,110 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:33:32,110 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:33:32,110 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:32,110 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:33:32,110 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:33:32,110 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcspn.i_Iteration5_Lasso [2021-08-31 01:33:32,110 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:33:32,110 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:33:32,112 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 01:33:32,114 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 01:33:32,115 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 01:33:32,117 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 01:33:32,118 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 01:33:32,119 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 01:33:32,121 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 01:33:32,123 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 01:33:32,124 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 01:33:32,125 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 01:33:32,127 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 01:33:32,128 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 01:33:32,129 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 01:33:32,467 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 01:33:32,469 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 01:33:32,470 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 01:33:32,471 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 01:33:32,473 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 01:33:32,982 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:33:32,983 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:33:32,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:32,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:32,983 INFO L229 MonitoredProcess]: Starting monitored process 38 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 01:33:32,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-08-31 01:33:32,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 01:33:32,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:32,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:32,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:32,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:32,993 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:32,993 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:33,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,024 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:33,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,025 INFO L229 MonitoredProcess]: Starting monitored process 39 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 01:33:33,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-08-31 01:33:33,027 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 01:33:33,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:33,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:33,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:33,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:33,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,065 INFO L229 MonitoredProcess]: Starting monitored process 40 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 01:33:33,069 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 01:33:33,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:33,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:33,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:33,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-08-31 01:33:33,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:33,103 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,104 INFO L229 MonitoredProcess]: Starting monitored process 41 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 01:33:33,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-08-31 01:33:33,105 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 01:33:33,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:33,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:33,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:33,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:33,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,144 INFO L229 MonitoredProcess]: Starting monitored process 42 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 01:33:33,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-08-31 01:33:33,146 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 01:33:33,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:33,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:33,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:33,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:33,184 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,184 INFO L229 MonitoredProcess]: Starting monitored process 43 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 01:33:33,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-08-31 01:33:33,186 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 01:33:33,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:33,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:33,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:33,223 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,224 INFO L229 MonitoredProcess]: Starting monitored process 44 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 01:33:33,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-08-31 01:33:33,225 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 01:33:33,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:33,233 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:33,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-08-31 01:33:33,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,251 INFO L229 MonitoredProcess]: Starting monitored process 45 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 01:33:33,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-08-31 01:33:33,253 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 01:33:33,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:33,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:33,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:33,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:33,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,292 INFO L229 MonitoredProcess]: Starting monitored process 46 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 01:33:33,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-08-31 01:33:33,294 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 01:33:33,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:33,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,300 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:33,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:33,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:33,319 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,320 INFO L229 MonitoredProcess]: Starting monitored process 47 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 01:33:33,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-08-31 01:33:33,323 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 01:33:33,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:33,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:33,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:33,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:33,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,346 INFO L229 MonitoredProcess]: Starting monitored process 48 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 01:33:33,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-08-31 01:33:33,348 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 01:33:33,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:33,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:33,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:33,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:33,395 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,409 INFO L229 MonitoredProcess]: Starting monitored process 49 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 01:33:33,417 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 01:33:33,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:33,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,424 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:33,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:33,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-08-31 01:33:33,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:33,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,444 INFO L229 MonitoredProcess]: Starting monitored process 50 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 01:33:33,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-08-31 01:33:33,446 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 01:33:33,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:33,456 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:33,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:33,502 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,503 INFO L229 MonitoredProcess]: Starting monitored process 51 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 01:33:33,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-08-31 01:33:33,505 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 01:33:33,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:33,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:33,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:33,529 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,531 INFO L229 MonitoredProcess]: Starting monitored process 52 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 01:33:33,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-08-31 01:33:33,534 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 01:33:33,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:33,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:33,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:33,560 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,561 INFO L229 MonitoredProcess]: Starting monitored process 53 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 01:33:33,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-08-31 01:33:33,565 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 01:33:33,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,572 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:33,572 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:33,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-08-31 01:33:33,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,593 INFO L229 MonitoredProcess]: Starting monitored process 54 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 01:33:33,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-08-31 01:33:33,594 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 01:33:33,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:33,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:33,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:33,621 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,621 INFO L229 MonitoredProcess]: Starting monitored process 55 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 01:33:33,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-08-31 01:33:33,623 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 01:33:33,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:33,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:33,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-08-31 01:33:33,647 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,648 INFO L229 MonitoredProcess]: Starting monitored process 56 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 01:33:33,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-08-31 01:33:33,649 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 01:33:33,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:33,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:33,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:33,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:33,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,673 INFO L229 MonitoredProcess]: Starting monitored process 57 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 01:33:33,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-08-31 01:33:33,675 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 01:33:33,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:33,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:33,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:33,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:33,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:33,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:33,700 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:33:33,720 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-08-31 01:33:33,720 INFO L444 ModelExtractionUtils]: 24 out of 49 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-08-31 01:33:33,720 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:33,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:33,721 INFO L229 MonitoredProcess]: Starting monitored process 58 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 01:33:33,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-08-31 01:33:33,723 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:33:33,729 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 01:33:33,729 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:33:33,730 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, v_rep(select #length ULTIMATE.start_main_#t~malloc12.base)_3) = -2*ULTIMATE.start_strcspn_~i~0 + 3*v_rep(select #length ULTIMATE.start_main_#t~malloc12.base)_3 Supporting invariants [] [2021-08-31 01:33:33,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:33,798 INFO L297 tatePredicateManager]: 27 out of 29 supporting invariants were superfluous and have been removed [2021-08-31 01:33:33,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:33,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 26 conjunts are in the unsatisfiable core [2021-08-31 01:33:33,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:33:34,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:34,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-31 01:33:34,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:33:34,085 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 01:33:34,085 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 3 loop predicates [2021-08-31 01:33:34,086 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 30 transitions. cyclomatic complexity: 6 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 01:33:34,118 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 30 transitions. cyclomatic complexity: 6. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 27 states and 30 transitions. Complement of second has 5 states. [2021-08-31 01:33:34,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2021-08-31 01:33:34,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 01:33:34,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2021-08-31 01:33:34,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 16 letters. Loop has 4 letters. [2021-08-31 01:33:34,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:33:34,119 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-31 01:33:34,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:34,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 26 conjunts are in the unsatisfiable core [2021-08-31 01:33:34,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:33:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:34,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-31 01:33:34,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:33:34,344 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 01:33:34,344 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 3 loop predicates [2021-08-31 01:33:34,344 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 30 transitions. cyclomatic complexity: 6 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 01:33:34,377 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 30 transitions. cyclomatic complexity: 6. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 27 states and 30 transitions. Complement of second has 5 states. [2021-08-31 01:33:34,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2021-08-31 01:33:34,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 01:33:34,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2021-08-31 01:33:34,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 16 letters. Loop has 4 letters. [2021-08-31 01:33:34,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:33:34,379 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-31 01:33:34,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:34,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 26 conjunts are in the unsatisfiable core [2021-08-31 01:33:34,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:33:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:34,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-31 01:33:34,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:33:34,619 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 01:33:34,619 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 3 loop predicates [2021-08-31 01:33:34,619 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 30 transitions. cyclomatic complexity: 6 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 01:33:34,707 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 30 transitions. cyclomatic complexity: 6. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 56 states and 63 transitions. Complement of second has 11 states. [2021-08-31 01:33:34,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2021-08-31 01:33:34,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 01:33:34,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 40 transitions. [2021-08-31 01:33:34,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 16 letters. Loop has 4 letters. [2021-08-31 01:33:34,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:33:34,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 20 letters. Loop has 4 letters. [2021-08-31 01:33:34,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:33:34,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 16 letters. Loop has 8 letters. [2021-08-31 01:33:34,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:33:34,709 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 63 transitions. [2021-08-31 01:33:34,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 01:33:34,710 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 42 states and 46 transitions. [2021-08-31 01:33:34,710 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-08-31 01:33:34,710 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-08-31 01:33:34,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 46 transitions. [2021-08-31 01:33:34,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-31 01:33:34,710 INFO L681 BuchiCegarLoop]: Abstraction has 42 states and 46 transitions. [2021-08-31 01:33:34,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 46 transitions. [2021-08-31 01:33:34,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 37. [2021-08-31 01:33:34,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 36 states have internal predecessors, (41), 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 01:33:34,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2021-08-31 01:33:34,713 INFO L704 BuchiCegarLoop]: Abstraction has 37 states and 41 transitions. [2021-08-31 01:33:34,713 INFO L587 BuchiCegarLoop]: Abstraction has 37 states and 41 transitions. [2021-08-31 01:33:34,713 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-31 01:33:34,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 41 transitions. [2021-08-31 01:33:34,713 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 01:33:34,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 01:33:34,713 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 01:33:34,714 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2021-08-31 01:33:34,714 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 01:33:34,714 INFO L791 eck$LassoCheckResult]: Stem: 1073#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1074#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~ret13, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet9;havoc main_#t~nondet9; 1085#L519 assume !(main_~in_len~0 < 1);call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet11;havoc main_#t~nondet11; 1077#L523 assume !(main_~out_len~0 < 1);call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + (main_~out_len~0 - 1), 1);strcspn_#in~s.base, strcspn_#in~s.offset, strcspn_#in~reject.base, strcspn_#in~reject.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcspn_#res;havoc strcspn_#t~mem4, strcspn_#t~mem5, strcspn_#t~pre3, strcspn_#t~mem6, strcspn_#t~pre7, strcspn_#t~pre2.base, strcspn_#t~pre2.offset, strcspn_#t~mem8, strcspn_~s.base, strcspn_~s.offset, strcspn_~reject.base, strcspn_~reject.offset, strcspn_~l~0, strcspn_~i~0;strcspn_~s.base, strcspn_~s.offset := strcspn_#in~s.base, strcspn_#in~s.offset;strcspn_~reject.base, strcspn_~reject.offset := strcspn_#in~reject.base, strcspn_#in~reject.offset;strcspn_~l~0 := 0;havoc strcspn_~i~0; 1078#L510-4 call strcspn_#t~mem8 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 1087#L510-1 assume !!(0 != strcspn_#t~mem8);havoc strcspn_#t~mem8;strcspn_~i~0 := 0; 1099#L511-4 call strcspn_#t~mem6 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 1097#L511-1 assume !!(0 != strcspn_#t~mem6);havoc strcspn_#t~mem6;call strcspn_#t~mem4 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem5 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 1096#L512 assume !(strcspn_#t~mem4 == strcspn_#t~mem5);havoc strcspn_#t~mem4;havoc strcspn_#t~mem5; 1088#L511-3 strcspn_#t~pre3 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre3; 1089#L511-4 call strcspn_#t~mem6 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 1098#L511-1 assume !(0 != strcspn_#t~mem6);havoc strcspn_#t~mem6; 1086#L511-5 strcspn_#t~pre7 := 1 + strcspn_~l~0;strcspn_~l~0 := 1 + strcspn_~l~0;havoc strcspn_#t~pre7; 1075#L510-3 strcspn_#t~pre2.base, strcspn_#t~pre2.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre2.base, strcspn_#t~pre2.offset; 1076#L510-4 call strcspn_#t~mem8 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 1080#L510-1 assume !!(0 != strcspn_#t~mem8);havoc strcspn_#t~mem8;strcspn_~i~0 := 0; 1071#L511-4 call strcspn_#t~mem6 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 1072#L511-1 assume !!(0 != strcspn_#t~mem6);havoc strcspn_#t~mem6;call strcspn_#t~mem4 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem5 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 1083#L512 assume !(strcspn_#t~mem4 == strcspn_#t~mem5);havoc strcspn_#t~mem4;havoc strcspn_#t~mem5; 1084#L511-3 strcspn_#t~pre3 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre3; 1095#L511-4 call strcspn_#t~mem6 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 1094#L511-1 assume !(0 != strcspn_#t~mem6);havoc strcspn_#t~mem6; 1093#L511-5 strcspn_#t~pre7 := 1 + strcspn_~l~0;strcspn_~l~0 := 1 + strcspn_~l~0;havoc strcspn_#t~pre7; 1092#L510-3 strcspn_#t~pre2.base, strcspn_#t~pre2.offset := strcspn_~s.base, 1 + strcspn_~s.offset;strcspn_~s.base, strcspn_~s.offset := strcspn_~s.base, 1 + strcspn_~s.offset;havoc strcspn_#t~pre2.base, strcspn_#t~pre2.offset; 1090#L510-4 call strcspn_#t~mem8 := read~int(strcspn_~s.base, strcspn_~s.offset, 1); 1079#L510-1 assume !!(0 != strcspn_#t~mem8);havoc strcspn_#t~mem8;strcspn_~i~0 := 0; 1069#L511-4 [2021-08-31 01:33:34,714 INFO L793 eck$LassoCheckResult]: Loop: 1069#L511-4 call strcspn_#t~mem6 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 1070#L511-1 assume !!(0 != strcspn_#t~mem6);havoc strcspn_#t~mem6;call strcspn_#t~mem4 := read~int(strcspn_~s.base, strcspn_~s.offset, 1);call strcspn_#t~mem5 := read~int(strcspn_~reject.base, strcspn_~reject.offset + strcspn_~i~0, 1); 1081#L512 assume !(strcspn_#t~mem4 == strcspn_#t~mem5);havoc strcspn_#t~mem4;havoc strcspn_#t~mem5; 1082#L511-3 strcspn_#t~pre3 := 1 + strcspn_~i~0;strcspn_~i~0 := 1 + strcspn_~i~0;havoc strcspn_#t~pre3; 1069#L511-4 [2021-08-31 01:33:34,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:34,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1550213327, now seen corresponding path program 4 times [2021-08-31 01:33:34,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:33:34,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628332341] [2021-08-31 01:33:34,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:33:34,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:33:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:34,723 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:33:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:34,733 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:33:34,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:34,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1698248, now seen corresponding path program 4 times [2021-08-31 01:33:34,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:33:34,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681673575] [2021-08-31 01:33:34,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:33:34,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:33:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:34,736 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:33:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:34,737 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:33:34,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:34,738 INFO L82 PathProgramCache]: Analyzing trace with hash 229061526, now seen corresponding path program 5 times [2021-08-31 01:33:34,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 01:33:34,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007860766] [2021-08-31 01:33:34,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 01:33:34,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 01:33:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:34,746 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 01:33:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 01:33:34,755 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 01:33:35,539 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 01:33:35,539 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 01:33:35,539 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 01:33:35,539 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 01:33:35,539 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 01:33:35,540 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:35,540 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 01:33:35,540 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 01:33:35,540 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcspn.i_Iteration6_Lasso [2021-08-31 01:33:35,540 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 01:33:35,540 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 01:33:35,542 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 01:33:35,566 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 01:33:35,567 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 01:33:35,568 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 01:33:35,570 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 01:33:35,571 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 01:33:35,572 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 01:33:35,573 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 01:33:35,574 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 01:33:35,575 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 01:33:35,577 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 01:33:35,580 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 01:33:35,581 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 01:33:35,582 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 01:33:35,583 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 01:33:35,584 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 01:33:35,585 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 01:33:36,012 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-08-31 01:33:36,826 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 01:33:36,827 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 01:33:36,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:36,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:36,828 INFO L229 MonitoredProcess]: Starting monitored process 59 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 01:33:36,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-08-31 01:33:36,830 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 01:33:36,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:36,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:36,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:36,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:36,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:36,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:36,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:36,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:36,874 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:36,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:36,874 INFO L229 MonitoredProcess]: Starting monitored process 60 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 01:33:36,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-08-31 01:33:36,876 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 01:33:36,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:36,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:36,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:36,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:36,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:36,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:36,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:36,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:36,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:36,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:36,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:36,909 INFO L229 MonitoredProcess]: Starting monitored process 61 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 01:33:36,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-08-31 01:33:36,911 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 01:33:36,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:36,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:36,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:36,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:36,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:36,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:36,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:36,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:36,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:36,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:36,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:36,957 INFO L229 MonitoredProcess]: Starting monitored process 62 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 01:33:36,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-08-31 01:33:36,959 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 01:33:36,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:36,967 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:36,967 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:36,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:36,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:36,968 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:36,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:36,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-08-31 01:33:36,993 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:36,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:36,993 INFO L229 MonitoredProcess]: Starting monitored process 63 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 01:33:36,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-08-31 01:33:36,995 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 01:33:37,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:37,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:37,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:37,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:37,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:37,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:37,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:37,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:37,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:37,037 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:37,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:37,038 INFO L229 MonitoredProcess]: Starting monitored process 64 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 01:33:37,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-08-31 01:33:37,040 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 01:33:37,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:37,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:37,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:37,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:37,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:37,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:37,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:37,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:37,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:37,071 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:37,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:37,071 INFO L229 MonitoredProcess]: Starting monitored process 65 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 01:33:37,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-08-31 01:33:37,073 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 01:33:37,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:37,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:37,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:37,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:37,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:37,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:37,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:37,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:37,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-08-31 01:33:37,105 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:37,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:37,105 INFO L229 MonitoredProcess]: Starting monitored process 66 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 01:33:37,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-08-31 01:33:37,107 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 01:33:37,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:37,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:37,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:37,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:37,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:37,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:37,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:37,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:37,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:37,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:37,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:37,140 INFO L229 MonitoredProcess]: Starting monitored process 67 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 01:33:37,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-08-31 01:33:37,142 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 01:33:37,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:37,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:37,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:37,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:37,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:37,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:37,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:37,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:37,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:37,184 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:37,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:37,185 INFO L229 MonitoredProcess]: Starting monitored process 68 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 01:33:37,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-08-31 01:33:37,188 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 01:33:37,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:37,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:37,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:37,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:37,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:37,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:37,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:37,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:37,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-08-31 01:33:37,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:37,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:37,217 INFO L229 MonitoredProcess]: Starting monitored process 69 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 01:33:37,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-08-31 01:33:37,222 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 01:33:37,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:37,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:37,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:37,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:37,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:37,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:37,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:37,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:37,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:37,259 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:37,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:37,260 INFO L229 MonitoredProcess]: Starting monitored process 70 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 01:33:37,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-08-31 01:33:37,261 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 01:33:37,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:37,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:37,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:37,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:37,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:37,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:37,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:37,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:37,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:37,298 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:37,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:37,298 INFO L229 MonitoredProcess]: Starting monitored process 71 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 01:33:37,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-08-31 01:33:37,301 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 01:33:37,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:37,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:37,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:37,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:37,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:37,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:37,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:37,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:37,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:37,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:37,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:37,337 INFO L229 MonitoredProcess]: Starting monitored process 72 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 01:33:37,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-08-31 01:33:37,340 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 01:33:37,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:37,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:37,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:37,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:37,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:37,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:37,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:37,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:37,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:37,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:37,378 INFO L229 MonitoredProcess]: Starting monitored process 73 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 01:33:37,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-08-31 01:33:37,380 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 01:33:37,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:37,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:37,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:37,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:37,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:37,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:37,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:37,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:37,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:37,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:37,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:37,417 INFO L229 MonitoredProcess]: Starting monitored process 74 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 01:33:37,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-08-31 01:33:37,419 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 01:33:37,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:37,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 01:33:37,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:37,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:37,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:37,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 01:33:37,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 01:33:37,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:37,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:37,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:37,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:37,456 INFO L229 MonitoredProcess]: Starting monitored process 75 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 01:33:37,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-08-31 01:33:37,458 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 01:33:37,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:37,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:37,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:37,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:37,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:37,468 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:37,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:37,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:37,502 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:37,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:37,502 INFO L229 MonitoredProcess]: Starting monitored process 76 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 01:33:37,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-08-31 01:33:37,504 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 01:33:37,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:37,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:37,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:37,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:37,513 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:37,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:37,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:37,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:37,539 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:37,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:37,540 INFO L229 MonitoredProcess]: Starting monitored process 77 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 01:33:37,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-08-31 01:33:37,542 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 01:33:37,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:37,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:37,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:37,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:37,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:37,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:37,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 01:33:37,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-08-31 01:33:37,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:37,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:37,567 INFO L229 MonitoredProcess]: Starting monitored process 78 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 01:33:37,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-08-31 01:33:37,569 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 01:33:37,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 01:33:37,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 01:33:37,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 01:33:37,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 01:33:37,582 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 01:33:37,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 01:33:37,597 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 01:33:37,619 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-08-31 01:33:37,619 INFO L444 ModelExtractionUtils]: 16 out of 49 variables were initially zero. Simplification set additionally 29 variables to zero. [2021-08-31 01:33:37,619 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 01:33:37,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 01:33:37,620 INFO L229 MonitoredProcess]: Starting monitored process 79 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 01:33:37,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-08-31 01:33:37,622 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 01:33:37,643 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 01:33:37,643 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 01:33:37,643 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0, v_rep(select #length ULTIMATE.start_main_#t~malloc12.base)_4, ULTIMATE.start_strcspn_~reject.offset) = -1*ULTIMATE.start_strcspn_~i~0 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc12.base)_4 - 1*ULTIMATE.start_strcspn_~reject.offset Supporting invariants [] [2021-08-31 01:33:37,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:37,724 INFO L297 tatePredicateManager]: 35 out of 36 supporting invariants were superfluous and have been removed [2021-08-31 01:33:37,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:37,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-31 01:33:37,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:33:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:37,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-31 01:33:37,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:33:37,873 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 01:33:37,873 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-08-31 01:33:37,873 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 01:33:37,903 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 45 states and 50 transitions. Complement of second has 6 states. [2021-08-31 01:33:37,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 01:33:37,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 01:33:37,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-08-31 01:33:37,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 26 letters. Loop has 4 letters. [2021-08-31 01:33:37,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:33:37,904 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-31 01:33:37,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:37,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-31 01:33:37,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:33:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:38,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-31 01:33:38,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:33:38,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:38,084 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 01:33:38,085 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-08-31 01:33:38,085 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 01:33:38,114 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 45 states and 50 transitions. Complement of second has 6 states. [2021-08-31 01:33:38,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 01:33:38,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 01:33:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-08-31 01:33:38,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 26 letters. Loop has 4 letters. [2021-08-31 01:33:38,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:33:38,116 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-08-31 01:33:38,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 01:33:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:38,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-31 01:33:38,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:33:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 01:33:38,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-31 01:33:38,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 01:33:38,269 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 01:33:38,269 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-08-31 01:33:38,269 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 01:33:38,303 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 41 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 62 states and 71 transitions. Complement of second has 5 states. [2021-08-31 01:33:38,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 01:33:38,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 01:33:38,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2021-08-31 01:33:38,304 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 26 letters. Loop has 4 letters. [2021-08-31 01:33:38,304 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:33:38,304 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 30 letters. Loop has 4 letters. [2021-08-31 01:33:38,305 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:33:38,305 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 26 letters. Loop has 8 letters. [2021-08-31 01:33:38,305 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 01:33:38,305 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 71 transitions. [2021-08-31 01:33:38,307 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 01:33:38,307 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 0 states and 0 transitions. [2021-08-31 01:33:38,307 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 01:33:38,307 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 01:33:38,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 01:33:38,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 01:33:38,307 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:33:38,307 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:33:38,307 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 01:33:38,307 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-08-31 01:33:38,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 01:33:38,307 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 01:33:38,307 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 01:33:38,309 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 01:33:38,311 INFO L158 Benchmark]: Toolchain (without parser) took 12796.71ms. Allocated memory was 56.6MB in the beginning and 151.0MB in the end (delta: 94.4MB). Free memory was 33.9MB in the beginning and 92.1MB in the end (delta: -58.1MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2021-08-31 01:33:38,311 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory was 38.2MB in the beginning and 38.1MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:33:38,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.51ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 33.7MB in the beginning and 48.3MB in the end (delta: -14.6MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-08-31 01:33:38,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.40ms. Allocated memory is still 71.3MB. Free memory was 48.1MB in the beginning and 46.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 01:33:38,312 INFO L158 Benchmark]: Boogie Preprocessor took 29.44ms. Allocated memory is still 71.3MB. Free memory was 46.3MB in the beginning and 45.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 01:33:38,312 INFO L158 Benchmark]: RCFGBuilder took 188.16ms. Allocated memory is still 71.3MB. Free memory was 45.0MB in the beginning and 52.4MB in the end (delta: -7.4MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2021-08-31 01:33:38,312 INFO L158 Benchmark]: BuchiAutomizer took 12211.21ms. Allocated memory was 71.3MB in the beginning and 151.0MB in the end (delta: 79.7MB). Free memory was 52.4MB in the beginning and 92.1MB in the end (delta: -39.7MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2021-08-31 01:33:38,313 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 56.6MB. Free memory was 38.2MB in the beginning and 38.1MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.51ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 33.7MB in the beginning and 48.3MB in the end (delta: -14.6MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.40ms. Allocated memory is still 71.3MB. Free memory was 48.1MB in the beginning and 46.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.44ms. Allocated memory is still 71.3MB. Free memory was 46.3MB in the beginning and 45.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 188.16ms. Allocated memory is still 71.3MB. Free memory was 45.0MB in the beginning and 52.4MB in the end (delta: -7.4MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 12211.21ms. Allocated memory was 71.3MB in the beginning and 151.0MB in the end (delta: 79.7MB). Free memory was 52.4MB in the beginning and 92.1MB in the end (delta: -39.7MB). Peak memory consumption was 39.7MB. 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 6 terminating modules (2 trivial, 2 deterministic, 2 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 4 locations. One deterministic module has affine ranking function -1 * i + -1 * reject + unknown-#length-unknown[reject] and consists of 3 locations. One nondeterministic module has affine ranking function -2 * i + 3 * unknown-#length-unknown[__builtin_alloca (out_len)] and consists of 8 locations. One nondeterministic module has affine ranking function -1 * i + -1 * reject + unknown-#length-unknown[__builtin_alloca (out_len)] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 15 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 01:33:38,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2021-08-31 01:33:38,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...