./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/cstrcmp-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/cstrcmp-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df3db790fa8159689a8da2e25598b93c123cddf7 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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*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 05:19:56,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 05:19:56,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 05:19:56,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 05:19:56,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 05:19:56,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 05:19:56,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 05:19:56,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 05:19:56,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 05:19:56,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 05:19:56,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 05:19:56,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 05:19:56,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 05:19:56,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 05:19:56,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 05:19:56,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 05:19:56,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 05:19:56,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 05:19:56,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 05:19:56,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 05:19:56,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 05:19:56,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 05:19:56,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 05:19:56,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 05:19:56,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 05:19:56,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 05:19:56,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 05:19:56,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 05:19:56,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 05:19:56,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 05:19:56,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 05:19:56,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 05:19:56,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 05:19:56,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 05:19:56,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 05:19:56,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 05:19:56,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 05:19:56,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 05:19:56,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 05:19:56,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 05:19:56,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 05:19:56,469 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 05:19:56,497 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 05:19:56,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 05:19:56,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 05:19:56,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 05:19:56,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 05:19:56,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 05:19:56,500 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 05:19:56,501 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 05:19:56,501 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 05:19:56,501 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 05:19:56,501 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 05:19:56,502 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 05:19:56,502 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 05:19:56,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 05:19:56,502 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 05:19:56,502 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 05:19:56,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 05:19:56,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 05:19:56,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 05:19:56,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 05:19:56,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 05:19:56,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 05:19:56,503 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 05:19:56,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 05:19:56,503 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 05:19:56,504 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 05:19:56,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 05:19:56,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 05:19:56,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 05:19:56,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 05:19:56,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 05:19:56,505 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 05:19:56,505 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 05:19:56,505 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df3db790fa8159689a8da2e25598b93c123cddf7 [2021-08-31 05:19:56,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 05:19:56,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 05:19:56,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 05:19:56,878 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 05:19:56,878 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 05:19:56,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrcmp-alloca-2.i [2021-08-31 05:19:56,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e6f04b22/e4b8ebd0d20b4c56b5d89a803de4c6ad/FLAGa1123d39c [2021-08-31 05:19:57,302 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 05:19:57,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrcmp-alloca-2.i [2021-08-31 05:19:57,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e6f04b22/e4b8ebd0d20b4c56b5d89a803de4c6ad/FLAGa1123d39c [2021-08-31 05:19:57,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e6f04b22/e4b8ebd0d20b4c56b5d89a803de4c6ad [2021-08-31 05:19:57,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 05:19:57,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 05:19:57,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 05:19:57,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 05:19:57,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 05:19:57,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:19:57" (1/1) ... [2021-08-31 05:19:57,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3edcd196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:57, skipping insertion in model container [2021-08-31 05:19:57,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:19:57" (1/1) ... [2021-08-31 05:19:57,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 05:19:57,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 05:19:57,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:19:57,585 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 05:19:57,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:19:57,650 INFO L208 MainTranslator]: Completed translation [2021-08-31 05:19:57,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:57 WrapperNode [2021-08-31 05:19:57,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 05:19:57,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 05:19:57,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 05:19:57,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 05:19:57,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:57" (1/1) ... [2021-08-31 05:19:57,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:57" (1/1) ... [2021-08-31 05:19:57,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 05:19:57,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 05:19:57,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 05:19:57,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 05:19:57,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:57" (1/1) ... [2021-08-31 05:19:57,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:57" (1/1) ... [2021-08-31 05:19:57,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:57" (1/1) ... [2021-08-31 05:19:57,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:57" (1/1) ... [2021-08-31 05:19:57,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:57" (1/1) ... [2021-08-31 05:19:57,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:57" (1/1) ... [2021-08-31 05:19:57,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:57" (1/1) ... [2021-08-31 05:19:57,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 05:19:57,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 05:19:57,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 05:19:57,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 05:19:57,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:57" (1/1) ... [2021-08-31 05:19:57,743 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:57,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:57,760 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 05:19:57,768 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 05:19:57,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-31 05:19:57,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-31 05:19:57,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 05:19:57,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 05:19:57,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 05:19:57,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 05:19:58,019 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 05:19:58,020 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-31 05:19:58,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:19:58 BoogieIcfgContainer [2021-08-31 05:19:58,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 05:19:58,022 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 05:19:58,022 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 05:19:58,024 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 05:19:58,037 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:19:58,037 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 05:19:57" (1/3) ... [2021-08-31 05:19:58,038 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d504b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:19:58, skipping insertion in model container [2021-08-31 05:19:58,038 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:19:58,038 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:19:57" (2/3) ... [2021-08-31 05:19:58,038 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d504b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:19:58, skipping insertion in model container [2021-08-31 05:19:58,038 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:19:58,039 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:19:58" (3/3) ... [2021-08-31 05:19:58,040 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrcmp-alloca-2.i [2021-08-31 05:19:58,074 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 05:19:58,074 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 05:19:58,074 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 05:19:58,074 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 05:19:58,075 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 05:19:58,075 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 05:19:58,075 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 05:19:58,075 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 05:19:58,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 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 05:19:58,102 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-08-31 05:19:58,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:19:58,102 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:19:58,106 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-31 05:19:58,106 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:19:58,106 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 05:19:58,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 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 05:19:58,109 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-08-31 05:19:58,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:19:58,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:19:58,110 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-31 05:19:58,110 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:19:58,114 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 13#L528true assume !(main_~length1~0 < 1); 7#L528-2true assume !(main_~length2~0 < 1); 14#L531-1true call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 6#L537-3true [2021-08-31 05:19:58,115 INFO L793 eck$LassoCheckResult]: Loop: 6#L537-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 19#L537-2true main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 6#L537-3true [2021-08-31 05:19:58,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:19:58,119 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-08-31 05:19:58,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:19:58,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514366529] [2021-08-31 05:19:58,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:19:58,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:19:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:19:58,181 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:19:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:19:58,205 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:19:58,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:19:58,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-08-31 05:19:58,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:19:58,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83560274] [2021-08-31 05:19:58,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:19:58,208 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:19:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:19:58,213 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:19:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:19:58,219 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:19:58,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:19:58,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-08-31 05:19:58,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:19:58,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040872098] [2021-08-31 05:19:58,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:19:58,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:19:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:19:58,234 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:19:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:19:58,247 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:19:58,548 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:19:58,549 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:19:58,549 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:19:58,549 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:19:58,549 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:19:58,549 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:58,549 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:19:58,549 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:19:58,549 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcmp-alloca-2.i_Iteration1_Lasso [2021-08-31 05:19:58,550 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:19:58,550 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:19:58,571 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 05:19:58,575 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 05:19:58,577 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 05:19:58,578 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 05:19:58,580 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 05:19:58,683 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 05:19:58,686 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 05:19:58,689 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 05:19:58,691 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 05:19:58,693 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 05:19:58,695 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 05:19:58,697 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 05:19:58,699 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 05:19:58,701 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 05:19:58,705 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 05:19:58,919 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:19:58,922 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:19:58,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:58,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:58,941 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 05:19:58,963 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 05:19:58,964 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 05:19:58,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:58,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:58,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:58,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:58,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:58,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:58,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:58,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:58,994 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 05:19:58,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:58,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:58,997 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 05:19:58,999 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 05:19:59,001 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 05:19:59,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:59,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:59,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:59,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:59,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:59,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:59,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:59,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:59,034 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 05:19:59,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:59,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:59,035 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 05:19:59,039 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 05:19:59,039 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 05:19:59,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:59,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:59,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:59,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:59,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:59,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:59,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:59,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:59,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-08-31 05:19:59,079 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:59,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:59,080 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 05:19:59,081 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 05:19:59,082 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 05:19:59,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:59,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:59,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:59,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:59,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:59,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:59,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:59,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:59,112 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 05:19:59,113 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:59,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:59,113 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 05:19:59,114 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 05:19:59,116 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 05:19:59,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:59,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:59,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:59,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:59,124 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:19:59,124 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:19:59,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:59,153 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 05:19:59,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:59,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:59,155 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 05:19:59,156 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 05:19:59,157 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 05:19:59,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:59,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:59,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:59,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:59,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:19:59,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:19:59,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:59,200 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 05:19:59,201 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:59,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:59,201 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 05:19:59,203 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 05:19:59,204 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 05:19:59,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:59,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:59,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:59,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:59,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:59,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:59,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:59,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:59,255 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-08-31 05:19:59,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:59,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:59,257 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 05:19:59,258 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 05:19:59,259 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 05:19:59,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:59,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:59,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:59,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:59,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:19:59,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:19:59,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:59,301 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 05:19:59,302 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:59,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:59,303 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 05:19:59,303 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 05:19:59,304 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 05:19:59,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:59,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:59,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:59,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:59,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:19:59,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:19:59,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:59,361 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 05:19:59,362 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:59,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:59,362 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 05:19:59,363 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 05:19:59,364 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 05:19:59,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:59,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:59,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:59,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:59,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:19:59,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:19:59,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:59,398 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 05:19:59,398 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:59,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:59,399 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 05:19:59,400 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 05:19:59,402 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 05:19:59,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:59,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:59,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:59,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:59,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:59,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:59,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:59,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:59,444 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 05:19:59,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:59,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:59,445 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 05:19:59,447 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 05:19:59,447 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 05:19:59,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:59,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:59,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:59,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:59,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:19:59,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:19:59,476 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:19:59,493 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-08-31 05:19:59,493 INFO L444 ModelExtractionUtils]: 10 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-08-31 05:19:59,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:59,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:59,495 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 05:19:59,496 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 05:19:59,499 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:19:59,520 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 05:19:59,520 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:19:59,520 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~length1~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-08-31 05:19:59,549 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 05:19:59,565 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-08-31 05:19:59,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:19:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:19:59,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 05:19:59,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:19:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:19:59,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 05:19:59,635 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 05:19:59,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:19:59,653 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 05:19:59,678 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 05:19:59,679 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 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) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 05:19:59,758 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 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). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 51 states and 73 transitions. Complement of second has 7 states. [2021-08-31 05:19:59,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 05:19:59,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 05:19:59,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 49 transitions. [2021-08-31 05:19:59,765 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 49 transitions. Stem has 5 letters. Loop has 2 letters. [2021-08-31 05:19:59,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:19:59,765 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 49 transitions. Stem has 7 letters. Loop has 2 letters. [2021-08-31 05:19:59,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:19:59,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 49 transitions. Stem has 5 letters. Loop has 4 letters. [2021-08-31 05:19:59,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:19:59,766 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 73 transitions. [2021-08-31 05:19:59,769 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-08-31 05:19:59,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 15 states and 21 transitions. [2021-08-31 05:19:59,772 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-08-31 05:19:59,772 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-08-31 05:19:59,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2021-08-31 05:19:59,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:19:59,773 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-08-31 05:19:59,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2021-08-31 05:19:59,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-08-31 05:19:59,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 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 05:19:59,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2021-08-31 05:19:59,787 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-08-31 05:19:59,787 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-08-31 05:19:59,787 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 05:19:59,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2021-08-31 05:19:59,788 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-08-31 05:19:59,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:19:59,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:19:59,788 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:19:59,788 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:19:59,788 INFO L791 eck$LassoCheckResult]: Stem: 144#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 145#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 153#L528 assume !(main_~length1~0 < 1); 151#L528-2 assume !(main_~length2~0 < 1); 152#L531-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 148#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 146#L537-4 main_~i~1 := 0; 147#L542-3 [2021-08-31 05:19:59,789 INFO L793 eck$LassoCheckResult]: Loop: 147#L542-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet18, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet18; 156#L542-2 main_#t~post17 := main_~i~1;main_~i~1 := 1 + main_#t~post17;havoc main_#t~post17; 147#L542-3 [2021-08-31 05:19:59,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:19:59,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-08-31 05:19:59,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:19:59,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970607014] [2021-08-31 05:19:59,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:19:59,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:19:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:19:59,802 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:19:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:19:59,813 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:19:59,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:19:59,816 INFO L82 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2021-08-31 05:19:59,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:19:59,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178807136] [2021-08-31 05:19:59,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:19:59,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:19:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:19:59,823 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:19:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:19:59,830 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:19:59,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:19:59,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2021-08-31 05:19:59,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:19:59,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906298527] [2021-08-31 05:19:59,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:19:59,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:19:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:19:59,851 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:19:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:19:59,867 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:00,084 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:20:00,084 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:20:00,084 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:20:00,084 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:20:00,084 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:20:00,084 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:00,084 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:20:00,084 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:20:00,084 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcmp-alloca-2.i_Iteration2_Lasso [2021-08-31 05:20:00,084 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:20:00,084 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:20:00,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:00,088 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 05:20:00,090 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 05:20:00,094 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 05:20:00,096 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 05:20:00,098 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 05:20:00,099 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 05:20:00,101 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 05:20:00,102 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 05:20:00,197 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 05:20:00,199 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 05:20:00,200 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 05:20:00,202 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 05:20:00,204 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 05:20:00,375 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:20:00,375 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:20:00,375 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:00,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:00,393 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 05:20:00,426 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 05:20:00,431 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 05:20:00,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:00,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:00,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:00,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:00,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:00,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:00,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:00,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:00,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-08-31 05:20:00,465 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:00,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:00,466 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 05:20:00,467 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 05:20:00,469 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 05:20:00,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:00,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:00,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:00,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:00,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:00,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:00,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:00,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:00,493 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 05:20:00,493 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:00,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:00,494 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 05:20:00,495 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 05:20:00,496 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 05:20:00,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:00,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:00,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:00,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:00,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:00,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:00,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:00,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-08-31 05:20:00,540 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:00,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:00,541 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 05:20:00,542 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 05:20:00,543 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 05:20:00,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:00,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:00,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:00,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:00,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:00,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:00,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:00,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:00,573 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 05:20:00,574 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:00,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:00,574 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 05:20:00,576 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 05:20:00,577 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 05:20:00,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:00,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:00,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:00,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:00,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:00,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:00,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:00,606 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-08-31 05:20:00,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:00,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:00,607 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 05:20:00,613 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 05:20:00,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:00,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:00,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:00,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:00,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:00,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:00,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:00,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:00,632 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 05:20:00,638 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 05:20:00,639 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:00,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:00,640 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 05:20:00,641 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 05:20:00,642 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 05:20:00,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:00,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:00,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:00,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:00,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:00,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:00,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:00,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:00,666 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 05:20:00,667 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:00,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:00,667 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 05:20:00,670 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 05:20:00,671 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 05:20:00,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:00,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:00,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:00,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:00,678 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:00,678 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:00,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:00,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-08-31 05:20:00,711 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:00,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:00,712 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 05:20:00,713 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 05:20:00,714 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 05:20:00,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:00,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:00,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:00,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:00,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:00,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:00,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:00,738 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 05:20:00,739 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:00,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:00,740 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 05:20:00,741 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 05:20:00,742 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 05:20:00,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:00,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:00,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:00,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:00,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:00,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:00,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:00,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:00,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:00,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:00,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:00,790 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 05:20:00,792 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 05:20:00,792 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 05:20:00,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:00,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:00,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:00,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:00,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:00,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:00,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:00,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-08-31 05:20:00,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:00,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:00,840 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 05:20:00,841 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 05:20:00,842 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 05:20:00,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:00,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:00,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:00,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:00,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:00,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:00,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:00,881 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 05:20:00,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:00,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:00,882 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 05:20:00,883 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 05:20:00,884 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 05:20:00,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:00,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:00,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:00,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:00,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:00,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:00,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:00,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:00,923 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 05:20:00,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:00,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:00,924 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 05:20:00,925 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 05:20:00,926 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 05:20:00,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:00,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:00,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:00,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:00,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:00,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:00,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:00,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:00,964 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:00,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:00,965 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 05:20:00,966 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 05:20:00,967 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 05:20:00,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:00,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:00,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:00,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:00,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:00,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:00,996 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:20:01,013 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-08-31 05:20:01,013 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-08-31 05:20:01,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:01,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:01,014 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 05:20:01,015 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 05:20:01,024 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:20:01,033 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 05:20:01,033 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:20:01,033 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_main_~i~1 + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [] [2021-08-31 05:20:01,049 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 05:20:01,068 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-08-31 05:20:01,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:01,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 05:20:01,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:01,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 05:20:01,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:01,112 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 05:20:01,112 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 05:20:01,112 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 05:20:01,164 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 21 states and 32 transitions. Complement of second has 6 states. [2021-08-31 05:20:01,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 05:20:01,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 05:20:01,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-08-31 05:20:01,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 7 letters. Loop has 2 letters. [2021-08-31 05:20:01,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:01,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 9 letters. Loop has 2 letters. [2021-08-31 05:20:01,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:01,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 7 letters. Loop has 4 letters. [2021-08-31 05:20:01,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:01,165 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 32 transitions. [2021-08-31 05:20:01,166 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 05:20:01,167 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 05:20:01,168 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 23 transitions. [2021-08-31 05:20:01,168 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-08-31 05:20:01,168 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-08-31 05:20:01,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 23 transitions. [2021-08-31 05:20:01,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:20:01,168 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2021-08-31 05:20:01,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 23 transitions. [2021-08-31 05:20:01,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-08-31 05:20:01,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.4375) internal successors, (23), 15 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 05:20:01,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 23 transitions. [2021-08-31 05:20:01,169 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2021-08-31 05:20:01,169 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 23 transitions. [2021-08-31 05:20:01,169 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 05:20:01,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 23 transitions. [2021-08-31 05:20:01,170 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 05:20:01,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:01,170 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:01,170 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:20:01,170 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 05:20:01,170 INFO L791 eck$LassoCheckResult]: Stem: 254#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 255#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 263#L528 assume !(main_~length1~0 < 1); 261#L528-2 assume !(main_~length2~0 < 1); 262#L531-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 258#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 256#L537-4 main_~i~1 := 0; 257#L542-3 assume !(main_~i~1 < main_~length2~0 - 1); 268#L542-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset, cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset, cstrcmp_#t~mem2, cstrcmp_#t~mem3, cstrcmp_#t~mem4, cstrcmp_#t~short5, cstrcmp_#t~mem8, cstrcmp_#t~mem9, cstrcmp_#t~ite10, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 269#L517-5 [2021-08-31 05:20:01,170 INFO L793 eck$LassoCheckResult]: Loop: 269#L517-5 call cstrcmp_#t~mem2 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short5 := 0 != cstrcmp_#t~mem2; 264#L517-1 assume cstrcmp_#t~short5;call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem4 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short5 := cstrcmp_#t~mem3 == cstrcmp_#t~mem4; 265#L517-3 assume !!cstrcmp_#t~short5;havoc cstrcmp_#t~mem2;havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~mem4;havoc cstrcmp_#t~short5;cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post6.base, 1 + cstrcmp_#t~post6.offset;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset;cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post7.base, 1 + cstrcmp_#t~post7.offset;havoc cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset; 269#L517-5 [2021-08-31 05:20:01,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:01,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2021-08-31 05:20:01,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:01,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248852232] [2021-08-31 05:20:01,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:01,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:01,180 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:01,191 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:01,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:01,191 INFO L82 PathProgramCache]: Analyzing trace with hash 77559, now seen corresponding path program 1 times [2021-08-31 05:20:01,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:01,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066816494] [2021-08-31 05:20:01,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:01,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:01,196 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:01,200 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:01,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:01,200 INFO L82 PathProgramCache]: Analyzing trace with hash -296047742, now seen corresponding path program 1 times [2021-08-31 05:20:01,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:01,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751597024] [2021-08-31 05:20:01,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:01,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:01,328 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 05:20:01,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:20:01,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751597024] [2021-08-31 05:20:01,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751597024] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 05:20:01,328 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 05:20:01,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-31 05:20:01,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382783496] [2021-08-31 05:20:01,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:20:01,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-31 05:20:01,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-31 05:20:01,436 INFO L87 Difference]: Start difference. First operand 16 states and 23 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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 05:20:01,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:20:01,515 INFO L93 Difference]: Finished difference Result 26 states and 33 transitions. [2021-08-31 05:20:01,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-31 05:20:01,516 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 33 transitions. [2021-08-31 05:20:01,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 05:20:01,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 17 states and 22 transitions. [2021-08-31 05:20:01,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-08-31 05:20:01,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-08-31 05:20:01,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2021-08-31 05:20:01,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:20:01,517 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-08-31 05:20:01,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2021-08-31 05:20:01,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2021-08-31 05:20:01,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 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 05:20:01,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2021-08-31 05:20:01,518 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-08-31 05:20:01,518 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-08-31 05:20:01,518 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 05:20:01,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2021-08-31 05:20:01,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 05:20:01,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:01,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:01,519 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:20:01,519 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 05:20:01,519 INFO L791 eck$LassoCheckResult]: Stem: 314#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 315#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 325#L528 assume !(main_~length1~0 < 1); 321#L528-2 assume !(main_~length2~0 < 1); 322#L531-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 318#L537-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 319#L537-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 320#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 316#L537-4 main_~i~1 := 0; 317#L542-3 assume !(main_~i~1 < main_~length2~0 - 1); 328#L542-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset, cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset, cstrcmp_#t~mem2, cstrcmp_#t~mem3, cstrcmp_#t~mem4, cstrcmp_#t~short5, cstrcmp_#t~mem8, cstrcmp_#t~mem9, cstrcmp_#t~ite10, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 329#L517-5 [2021-08-31 05:20:01,519 INFO L793 eck$LassoCheckResult]: Loop: 329#L517-5 call cstrcmp_#t~mem2 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short5 := 0 != cstrcmp_#t~mem2; 323#L517-1 assume cstrcmp_#t~short5;call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem4 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short5 := cstrcmp_#t~mem3 == cstrcmp_#t~mem4; 324#L517-3 assume !!cstrcmp_#t~short5;havoc cstrcmp_#t~mem2;havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~mem4;havoc cstrcmp_#t~short5;cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post6.base, 1 + cstrcmp_#t~post6.offset;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset;cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post7.base, 1 + cstrcmp_#t~post7.offset;havoc cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset; 329#L517-5 [2021-08-31 05:20:01,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:01,520 INFO L82 PathProgramCache]: Analyzing trace with hash -2034626632, now seen corresponding path program 1 times [2021-08-31 05:20:01,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:01,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214610835] [2021-08-31 05:20:01,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:01,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:01,542 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:01,550 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:01,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:01,551 INFO L82 PathProgramCache]: Analyzing trace with hash 77559, now seen corresponding path program 2 times [2021-08-31 05:20:01,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:01,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117979700] [2021-08-31 05:20:01,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:01,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:01,554 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:01,563 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:01,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:01,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1311502304, now seen corresponding path program 1 times [2021-08-31 05:20:01,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:01,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973751978] [2021-08-31 05:20:01,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:01,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:01,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-31 05:20:01,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:20:01,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973751978] [2021-08-31 05:20:01,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973751978] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 05:20:01,708 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 05:20:01,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-31 05:20:01,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533545472] [2021-08-31 05:20:01,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:20:01,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-31 05:20:01,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-08-31 05:20:01,847 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:20:01,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:20:01,947 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2021-08-31 05:20:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-31 05:20:01,948 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2021-08-31 05:20:01,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 05:20:01,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 21 transitions. [2021-08-31 05:20:01,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-08-31 05:20:01,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-08-31 05:20:01,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2021-08-31 05:20:01,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:20:01,949 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-08-31 05:20:01,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2021-08-31 05:20:01,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2021-08-31 05:20:01,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 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 05:20:01,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2021-08-31 05:20:01,950 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-08-31 05:20:01,950 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-08-31 05:20:01,950 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-31 05:20:01,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2021-08-31 05:20:01,951 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 05:20:01,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:01,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:01,951 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:20:01,951 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 05:20:01,951 INFO L791 eck$LassoCheckResult]: Stem: 373#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 374#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet16, main_#t~post15, main_~i~0, main_#t~nondet18, main_#t~post17, main_~i~1, main_#t~ret19, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 384#L528 assume !(main_~length1~0 < 1); 380#L528-2 assume !(main_~length2~0 < 1); 381#L531-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;main_~i~0 := 0; 377#L537-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet16, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet16; 378#L537-2 main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15; 379#L537-3 assume !(main_~i~0 < main_~length1~0 - 1); 375#L537-4 main_~i~1 := 0; 376#L542-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet18, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet18; 385#L542-2 main_#t~post17 := main_~i~1;main_~i~1 := 1 + main_#t~post17;havoc main_#t~post17; 386#L542-3 assume !(main_~i~1 < main_~length2~0 - 1); 387#L542-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset, cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset, cstrcmp_#t~mem2, cstrcmp_#t~mem3, cstrcmp_#t~mem4, cstrcmp_#t~short5, cstrcmp_#t~mem8, cstrcmp_#t~mem9, cstrcmp_#t~ite10, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 388#L517-5 [2021-08-31 05:20:01,953 INFO L793 eck$LassoCheckResult]: Loop: 388#L517-5 call cstrcmp_#t~mem2 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short5 := 0 != cstrcmp_#t~mem2; 382#L517-1 assume cstrcmp_#t~short5;call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem4 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short5 := cstrcmp_#t~mem3 == cstrcmp_#t~mem4; 383#L517-3 assume !!cstrcmp_#t~short5;havoc cstrcmp_#t~mem2;havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~mem4;havoc cstrcmp_#t~short5;cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post6.base, 1 + cstrcmp_#t~post6.offset;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset;cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post7.base, 1 + cstrcmp_#t~post7.offset;havoc cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset; 388#L517-5 [2021-08-31 05:20:01,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:01,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1066016806, now seen corresponding path program 1 times [2021-08-31 05:20:01,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:01,953 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712752353] [2021-08-31 05:20:01,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:01,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:01,973 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:01,982 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:01,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:01,982 INFO L82 PathProgramCache]: Analyzing trace with hash 77559, now seen corresponding path program 3 times [2021-08-31 05:20:01,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:01,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609397354] [2021-08-31 05:20:01,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:01,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:01,992 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:02,002 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:02,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:02,002 INFO L82 PathProgramCache]: Analyzing trace with hash -718433154, now seen corresponding path program 1 times [2021-08-31 05:20:02,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:02,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90610135] [2021-08-31 05:20:02,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:02,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:02,011 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:02,039 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:02,773 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:20:02,773 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:20:02,773 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:20:02,774 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:20:02,774 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:20:02,774 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:02,774 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:20:02,774 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:20:02,774 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcmp-alloca-2.i_Iteration5_Lasso [2021-08-31 05:20:02,774 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:20:02,774 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:20:02,777 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 05:20:02,782 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 05:20:02,784 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 05:20:02,785 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 05:20:02,787 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 05:20:03,179 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 05:20:03,181 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 05:20:03,182 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 05:20:03,184 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 05:20:03,186 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 05:20:03,188 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 05:20:03,189 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 05:20:03,190 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 05:20:03,192 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 05:20:03,194 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 05:20:03,196 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 05:20:03,197 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 05:20:03,199 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 05:20:03,201 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 05:20:03,202 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 05:20:03,204 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 05:20:03,205 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 05:20:03,206 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 05:20:03,209 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 05:20:03,210 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 05:20:03,211 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 05:20:03,213 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 05:20:03,215 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 05:20:03,217 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 05:20:03,662 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:20:03,662 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:20:03,662 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:03,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:03,667 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 05:20:03,669 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 05:20:03,669 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 05:20:03,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:03,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:03,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:03,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:03,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:03,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:03,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:03,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:03,693 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 05:20:03,694 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:03,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:03,694 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 05:20:03,699 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 05:20:03,701 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 05:20:03,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:03,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:03,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:03,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:03,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:03,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:03,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:03,733 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 05:20:03,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:03,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:03,734 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 05:20:03,735 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 05:20:03,736 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 05:20:03,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:03,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:03,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:03,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:03,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:03,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:03,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:03,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:03,798 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 05:20:03,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:03,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:03,799 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 05:20:03,800 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 05:20:03,801 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 05:20:03,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:03,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:03,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:03,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:03,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:03,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:03,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:03,829 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 05:20:03,830 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:03,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:03,831 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 05:20:03,832 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 05:20:03,833 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 05:20:03,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:03,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:03,839 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-31 05:20:03,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:03,845 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-08-31 05:20:03,845 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-08-31 05:20:03,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:03,890 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 05:20:03,890 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:03,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:03,891 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 05:20:03,891 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 05:20:03,893 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 05:20:03,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:03,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:03,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:03,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:03,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:03,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:03,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:03,933 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 05:20:03,933 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:03,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:03,934 INFO L229 MonitoredProcess]: Starting monitored process 37 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 05:20:03,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-08-31 05:20:03,936 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 05:20:03,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:03,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:03,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:03,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:03,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:03,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:03,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:03,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:03,975 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:03,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:03,976 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 05:20:03,977 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 05:20:03,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:20:03,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:03,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:03,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:03,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:03,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:03,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:03,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:04,016 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 05:20:04,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:04,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:04,017 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 05:20:04,018 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 05:20:04,019 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 05:20:04,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:04,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:04,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:04,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:04,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:04,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:04,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:04,043 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 05:20:04,043 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:04,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:04,044 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 05:20:04,045 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 05:20:04,046 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 05:20:04,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:04,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:04,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:04,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:04,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:04,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:04,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:04,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-08-31 05:20:04,109 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:04,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:04,125 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 05:20:04,136 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 05:20:04,137 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 05:20:04,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:04,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:04,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:04,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:04,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:04,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:04,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:04,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-08-31 05:20:04,171 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:04,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:04,172 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 05:20:04,173 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 05:20:04,174 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 05:20:04,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:04,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:04,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:04,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:04,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:04,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:04,236 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:20:04,301 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2021-08-31 05:20:04,301 INFO L444 ModelExtractionUtils]: 17 out of 52 variables were initially zero. Simplification set additionally 32 variables to zero. [2021-08-31 05:20:04,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:04,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:04,302 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 05:20:04,303 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 05:20:04,303 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:20:04,320 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 05:20:04,320 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:20:04,321 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcmp_~s1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_3) = -1*ULTIMATE.start_cstrcmp_~s1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_3 Supporting invariants [] [2021-08-31 05:20:04,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-08-31 05:20:04,395 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 05:20:04,427 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2021-08-31 05:20:04,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:04,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 24 conjunts are in the unsatisfiable core [2021-08-31 05:20:04,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:04,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2021-08-31 05:20:04,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:04,616 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 05:20:04,616 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 05:20:04,617 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 05:20:04,663 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 19 states and 24 transitions. Complement of second has 7 states. [2021-08-31 05:20:04,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 05:20:04,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 05:20:04,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2021-08-31 05:20:04,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 13 letters. Loop has 3 letters. [2021-08-31 05:20:04,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:04,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 16 letters. Loop has 3 letters. [2021-08-31 05:20:04,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:04,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 13 letters. Loop has 6 letters. [2021-08-31 05:20:04,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:04,665 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 24 transitions. [2021-08-31 05:20:04,666 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 05:20:04,666 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2021-08-31 05:20:04,666 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 05:20:04,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 05:20:04,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 05:20:04,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:20:04,666 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:20:04,666 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:20:04,666 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:20:04,666 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-31 05:20:04,667 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 05:20:04,667 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 05:20:04,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 05:20:04,669 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 05:20:04,671 INFO L158 Benchmark]: Toolchain (without parser) took 7344.05ms. Allocated memory was 77.6MB in the beginning and 123.7MB in the end (delta: 46.1MB). Free memory was 59.1MB in the beginning and 71.2MB in the end (delta: -12.2MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2021-08-31 05:20:04,671 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 77.6MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 05:20:04,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.38ms. Allocated memory is still 77.6MB. Free memory was 59.1MB in the beginning and 53.9MB in the end (delta: 5.2MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-08-31 05:20:04,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.42ms. Allocated memory is still 77.6MB. Free memory was 53.9MB in the beginning and 51.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 05:20:04,672 INFO L158 Benchmark]: Boogie Preprocessor took 39.13ms. Allocated memory is still 77.6MB. Free memory was 51.9MB in the beginning and 50.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 05:20:04,672 INFO L158 Benchmark]: RCFGBuilder took 286.02ms. Allocated memory is still 77.6MB. Free memory was 50.4MB in the beginning and 40.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-31 05:20:04,673 INFO L158 Benchmark]: BuchiAutomizer took 6648.76ms. Allocated memory was 77.6MB in the beginning and 123.7MB in the end (delta: 46.1MB). Free memory was 40.3MB in the beginning and 71.2MB in the end (delta: -31.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-08-31 05:20:04,673 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 77.6MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.38ms. Allocated memory is still 77.6MB. Free memory was 59.1MB in the beginning and 53.9MB in the end (delta: 5.2MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.42ms. Allocated memory is still 77.6MB. Free memory was 53.9MB in the beginning and 51.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.13ms. Allocated memory is still 77.6MB. Free memory was 51.9MB in the beginning and 50.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 286.02ms. Allocated memory is still 77.6MB. Free memory was 50.4MB in the beginning and 40.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 6648.76ms. Allocated memory was 77.6MB in the beginning and 123.7MB in the end (delta: 46.1MB). Free memory was 40.3MB in the beginning and 71.2MB in the end (delta: -31.0MB). Peak memory consumption was 17.2MB. 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 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function length2 + -1 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s1 and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 9 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 05:20:04,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...