./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.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/openbsd_cstrcmp-alloca-1.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 f68b319d77fa756392ca29e618a1e0accd9b6c9e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 05:20:31,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 05:20:31,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 05:20:31,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 05:20:31,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 05:20:31,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 05:20:31,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 05:20:31,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 05:20:31,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 05:20:31,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 05:20:31,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 05:20:31,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 05:20:31,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 05:20:31,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 05:20:31,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 05:20:31,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 05:20:31,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 05:20:31,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 05:20:31,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 05:20:31,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 05:20:31,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 05:20:31,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 05:20:31,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 05:20:31,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 05:20:31,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 05:20:31,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 05:20:31,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 05:20:31,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 05:20:31,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 05:20:31,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 05:20:31,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 05:20:31,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 05:20:31,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 05:20:31,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 05:20:31,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 05:20:31,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 05:20:31,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 05:20:31,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 05:20:31,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 05:20:31,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 05:20:31,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 05:20:31,723 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 05:20:31,759 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 05:20:31,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 05:20:31,761 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 05:20:31,761 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 05:20:31,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 05:20:31,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 05:20:31,764 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 05:20:31,764 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 05:20:31,764 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 05:20:31,764 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 05:20:31,765 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 05:20:31,766 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 05:20:31,766 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 05:20:31,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 05:20:31,766 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 05:20:31,767 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 05:20:31,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 05:20:31,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 05:20:31,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 05:20:31,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 05:20:31,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 05:20:31,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 05:20:31,768 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 05:20:31,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 05:20:31,769 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 05:20:31,769 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 05:20:31,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 05:20:31,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 05:20:31,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 05:20:31,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 05:20:31,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 05:20:31,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 05:20:31,772 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 05:20:31,772 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f68b319d77fa756392ca29e618a1e0accd9b6c9e [2021-08-31 05:20:32,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 05:20:32,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 05:20:32,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 05:20:32,140 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 05:20:32,141 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 05:20:32,142 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2021-08-31 05:20:32,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a952a2d03/5d1c80e96e3e4236ac150703eea08ce3/FLAGa3273ab22 [2021-08-31 05:20:32,695 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 05:20:32,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcmp-alloca-1.i [2021-08-31 05:20:32,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a952a2d03/5d1c80e96e3e4236ac150703eea08ce3/FLAGa3273ab22 [2021-08-31 05:20:33,068 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a952a2d03/5d1c80e96e3e4236ac150703eea08ce3 [2021-08-31 05:20:33,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 05:20:33,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 05:20:33,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 05:20:33,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 05:20:33,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 05:20:33,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:20:33" (1/1) ... [2021-08-31 05:20:33,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be67400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:33, skipping insertion in model container [2021-08-31 05:20:33,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:20:33" (1/1) ... [2021-08-31 05:20:33,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 05:20:33,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 05:20:33,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:20:33,423 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 05:20:33,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:20:33,522 INFO L208 MainTranslator]: Completed translation [2021-08-31 05:20:33,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:33 WrapperNode [2021-08-31 05:20:33,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 05:20:33,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 05:20:33,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 05:20:33,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 05:20:33,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:33" (1/1) ... [2021-08-31 05:20:33,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:33" (1/1) ... [2021-08-31 05:20:33,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 05:20:33,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 05:20:33,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 05:20:33,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 05:20:33,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:33" (1/1) ... [2021-08-31 05:20:33,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:33" (1/1) ... [2021-08-31 05:20:33,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:33" (1/1) ... [2021-08-31 05:20:33,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:33" (1/1) ... [2021-08-31 05:20:33,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:33" (1/1) ... [2021-08-31 05:20:33,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:33" (1/1) ... [2021-08-31 05:20:33,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:33" (1/1) ... [2021-08-31 05:20:33,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 05:20:33,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 05:20:33,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 05:20:33,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 05:20:33,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:33" (1/1) ... [2021-08-31 05:20:33,635 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:33,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:33,658 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 05:20:33,685 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 05:20:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-31 05:20:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-31 05:20:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 05:20:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 05:20:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 05:20:33,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 05:20:33,943 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 05:20:33,944 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-31 05:20:33,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:20:33 BoogieIcfgContainer [2021-08-31 05:20:33,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 05:20:33,947 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 05:20:33,947 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 05:20:33,949 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 05:20:33,950 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:20:33,950 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 05:20:33" (1/3) ... [2021-08-31 05:20:33,951 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f540839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:20:33, skipping insertion in model container [2021-08-31 05:20:33,951 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:20:33,952 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:33" (2/3) ... [2021-08-31 05:20:33,952 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f540839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:20:33, skipping insertion in model container [2021-08-31 05:20:33,952 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:20:33,952 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:20:33" (3/3) ... [2021-08-31 05:20:33,953 INFO L389 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcmp-alloca-1.i [2021-08-31 05:20:34,003 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 05:20:34,004 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 05:20:34,004 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 05:20:34,004 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 05:20:34,004 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 05:20:34,004 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 05:20:34,004 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 05:20:34,005 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 05:20:34,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:20:34,042 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-08-31 05:20:34,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:34,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:34,047 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-31 05:20:34,048 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:20:34,048 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 05:20:34,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:20:34,051 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-08-31 05:20:34,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:34,052 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:34,052 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-31 05:20:34,053 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:20:34,058 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 12#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, 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~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 13#L524true assume !(main_~length1~0 < 1); 18#L524-2true assume !(main_~length2~0 < 1); 6#L527-1true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 14#L533-3true [2021-08-31 05:20:34,059 INFO L793 eck$LassoCheckResult]: Loop: 14#L533-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 3#L533-2true main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 14#L533-3true [2021-08-31 05:20:34,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:34,065 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-08-31 05:20:34,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:34,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161805010] [2021-08-31 05:20:34,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:34,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:34,174 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:34,233 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:34,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:34,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-08-31 05:20:34,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:34,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648337651] [2021-08-31 05:20:34,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:34,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:34,256 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:34,270 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:34,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:34,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-08-31 05:20:34,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:34,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842051913] [2021-08-31 05:20:34,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:34,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:34,310 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:34,342 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:34,787 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:20:34,787 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:20:34,788 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:20:34,788 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:20:34,788 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:20:34,788 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:34,788 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:20:34,789 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:20:34,789 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcmp-alloca-1.i_Iteration1_Lasso [2021-08-31 05:20:34,789 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:20:34,789 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:20:34,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:34,817 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 05:20:34,819 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 05:20:34,822 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 05:20:34,932 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 05:20:34,935 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 05:20:34,938 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 05:20:34,940 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 05:20:34,943 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 05:20:34,947 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 05:20:34,949 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 05:20:34,952 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 05:20:34,954 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 05:20:34,958 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 05:20:34,959 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 05:20:35,186 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:20:35,190 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:20:35,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:35,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:35,194 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 05:20:35,202 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 05:20:35,205 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 05:20:35,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:35,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:35,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:35,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:35,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:35,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:35,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:35,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:35,248 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 05:20:35,249 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:35,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:35,251 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 05:20:35,252 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 05:20:35,254 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 05:20:35,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:35,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:35,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:35,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:35,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:35,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:35,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:35,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:35,285 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 05:20:35,286 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:35,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:35,287 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 05:20:35,288 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 05:20:35,289 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 05:20:35,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:35,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:35,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:35,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:35,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:35,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:35,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:35,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:35,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:35,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:35,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:35,318 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 05:20:35,319 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 05:20:35,320 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 05:20:35,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:35,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:35,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:35,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:35,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:35,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:35,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:35,362 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 05:20:35,363 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:35,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:35,364 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 05:20:35,364 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 05:20:35,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:20:35,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:35,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:35,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:35,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:35,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:35,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:35,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:35,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:35,400 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 05:20:35,400 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:35,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:35,401 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 05:20:35,402 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 05:20:35,404 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 05:20:35,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:35,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:35,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:35,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:35,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:35,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:35,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:35,467 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 05:20:35,468 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:35,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:35,469 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 05:20:35,470 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 05:20:35,471 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 05:20:35,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:35,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:35,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:35,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:35,487 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:35,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:35,512 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:20:35,541 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-08-31 05:20:35,541 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-08-31 05:20:35,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:35,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:35,557 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 05:20:35,589 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 05:20:35,590 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:20:35,608 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 05:20:35,608 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:20:35,608 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 05:20:35,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:35,651 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-08-31 05:20:35,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:35,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 05:20:35,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:35,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 05:20:35,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:35,753 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 05:20:35,783 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 05:20:35,785 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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 05:20:35,833 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 05:20:35,909 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 45 states and 64 transitions. Complement of second has 7 states. [2021-08-31 05:20:35,911 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 05:20:35,916 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 05:20:35,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 43 transitions. [2021-08-31 05:20:35,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 5 letters. Loop has 2 letters. [2021-08-31 05:20:35,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:35,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 7 letters. Loop has 2 letters. [2021-08-31 05:20:35,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:35,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 43 transitions. Stem has 5 letters. Loop has 4 letters. [2021-08-31 05:20:35,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:35,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 64 transitions. [2021-08-31 05:20:35,934 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-08-31 05:20:35,938 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 15 states and 20 transitions. [2021-08-31 05:20:35,938 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-08-31 05:20:35,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-08-31 05:20:35,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2021-08-31 05:20:35,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:20:35,940 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-08-31 05:20:35,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2021-08-31 05:20:35,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-08-31 05:20:35,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 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 05:20:35,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2021-08-31 05:20:35,962 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-08-31 05:20:35,962 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-08-31 05:20:35,962 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 05:20:35,962 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2021-08-31 05:20:35,964 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-08-31 05:20:35,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:35,967 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:35,968 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:20:35,968 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:20:35,968 INFO L791 eck$LassoCheckResult]: Stem: 138#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 139#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, 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~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 147#L524 assume !(main_~length1~0 < 1); 149#L524-2 assume !(main_~length2~0 < 1); 140#L527-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 141#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 148#L533-4 main_~i~1 := 0; 145#L537-3 [2021-08-31 05:20:35,968 INFO L793 eck$LassoCheckResult]: Loop: 145#L537-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 146#L537-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 145#L537-3 [2021-08-31 05:20:35,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:35,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-08-31 05:20:35,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:35,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578372750] [2021-08-31 05:20:35,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:35,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:35,980 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:35,991 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:35,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:35,991 INFO L82 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2021-08-31 05:20:35,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:35,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184847726] [2021-08-31 05:20:35,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:35,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:35,997 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:36,001 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:36,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:36,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2021-08-31 05:20:36,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:36,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709537747] [2021-08-31 05:20:36,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:36,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:36,012 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:36,028 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:36,304 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:20:36,305 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:20:36,305 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:20:36,305 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:20:36,305 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:20:36,305 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:36,305 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:20:36,305 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:20:36,305 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcmp-alloca-1.i_Iteration2_Lasso [2021-08-31 05:20:36,305 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:20:36,305 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:20:36,308 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 05:20:36,310 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 05:20:36,312 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 05:20:36,315 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 05:20:36,317 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 05:20:36,319 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 05:20:36,324 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 05:20:36,326 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 05:20:36,427 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 05:20:36,430 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 05:20:36,432 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 05:20:36,434 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 05:20:36,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:36,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:36,645 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:20:36,645 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:20:36,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:36,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:36,652 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 05:20:36,657 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 05:20:36,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:36,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:36,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:36,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:36,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:36,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:36,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:36,668 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 05:20:36,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:36,708 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 05:20:36,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:36,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:36,709 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 05:20:36,726 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 05:20:36,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:36,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:36,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:36,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:36,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:36,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:36,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:36,736 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 05:20:36,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:36,771 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 05:20:36,771 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:36,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:36,773 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 05:20:36,774 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 05:20:36,776 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 05:20:36,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:36,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:36,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:36,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:36,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:36,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:36,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:36,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:36,820 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 05:20:36,821 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:36,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:36,829 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 05:20:36,830 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 05:20:36,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:20:36,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:36,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:36,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:36,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:36,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:36,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:36,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:36,887 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 05:20:36,887 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:36,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:36,893 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 05:20:36,895 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 05:20:36,897 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 05:20:36,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:36,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:36,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:36,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:36,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:36,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:36,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:36,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:36,950 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 05:20:36,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:36,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:36,951 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 05:20:36,952 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 05:20:36,954 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 05:20:36,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:36,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:36,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:36,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:36,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:36,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:36,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:37,010 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:37,011 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:37,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:37,013 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 05:20:37,022 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 05:20:37,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:37,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:37,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:37,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:37,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:37,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:37,040 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 05:20:37,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:37,085 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 05:20:37,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:37,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:37,086 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 05:20:37,088 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 05:20:37,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:20:37,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:37,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:37,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:37,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:37,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:37,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:37,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:37,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:37,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:37,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:37,149 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 05:20:37,150 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 05:20:37,151 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 05:20:37,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:37,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:37,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:37,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:37,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:37,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:37,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:37,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:37,199 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 05:20:37,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:37,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:37,201 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 05:20:37,202 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 05:20:37,204 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 05:20:37,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:37,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:37,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:37,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:37,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:37,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:37,245 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:20:37,273 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-08-31 05:20:37,274 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-08-31 05:20:37,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:37,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:37,275 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 05:20:37,282 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:20:37,296 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 05:20:37,304 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 05:20:37,304 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:20:37,304 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 05:20:37,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:37,339 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-08-31 05:20:37,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:37,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 05:20:37,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:37,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 05:20:37,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:37,394 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 05:20:37,395 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 05:20:37,396 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 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 05:20:37,434 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. 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 30 transitions. Complement of second has 6 states. [2021-08-31 05:20:37,434 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 05:20:37,435 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 05:20:37,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-08-31 05:20:37,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 2 letters. [2021-08-31 05:20:37,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:37,436 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 2 letters. [2021-08-31 05:20:37,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:37,436 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 7 letters. Loop has 4 letters. [2021-08-31 05:20:37,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:37,437 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2021-08-31 05:20:37,439 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 05:20:37,440 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 22 transitions. [2021-08-31 05:20:37,440 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-08-31 05:20:37,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-08-31 05:20:37,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2021-08-31 05:20:37,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:20:37,441 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-08-31 05:20:37,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2021-08-31 05:20:37,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-08-31 05:20:37,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:20:37,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2021-08-31 05:20:37,444 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-08-31 05:20:37,444 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-08-31 05:20:37,444 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 05:20:37,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 22 transitions. [2021-08-31 05:20:37,446 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 05:20:37,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:37,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:37,447 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:20:37,447 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 05:20:37,448 INFO L791 eck$LassoCheckResult]: Stem: 248#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 249#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, 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~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 258#L524 assume !(main_~length1~0 < 1); 261#L524-2 assume !(main_~length2~0 < 1); 250#L527-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 251#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 259#L533-4 main_~i~1 := 0; 255#L537-3 assume !(main_~i~1 < main_~length2~0 - 1); 252#L537-4 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~post5.base, cstrcmp_#t~post5.offset, cstrcmp_#t~mem6, cstrcmp_#t~mem3, cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, cstrcmp_#t~mem4, cstrcmp_#t~mem8, cstrcmp_#t~pre7.base, cstrcmp_#t~pre7.offset, cstrcmp_#t~mem9, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset;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; 253#L516-3 [2021-08-31 05:20:37,448 INFO L793 eck$LassoCheckResult]: Loop: 253#L516-3 call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post2.base, 1 + cstrcmp_#t~post2.offset;call cstrcmp_#t~mem4 := read~int(cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, 1); 254#L516-1 assume !!(cstrcmp_#t~mem3 == cstrcmp_#t~mem4);havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset;havoc cstrcmp_#t~mem4;cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post5.base, 1 + cstrcmp_#t~post5.offset;call cstrcmp_#t~mem6 := read~int(cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, 1); 260#L517 assume !(0 == cstrcmp_#t~mem6);havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset;havoc cstrcmp_#t~mem6; 253#L516-3 [2021-08-31 05:20:37,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:37,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2021-08-31 05:20:37,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:37,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977409797] [2021-08-31 05:20:37,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:37,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:37,486 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:37,510 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:37,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:37,511 INFO L82 PathProgramCache]: Analyzing trace with hash 77620, now seen corresponding path program 1 times [2021-08-31 05:20:37,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:37,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999142616] [2021-08-31 05:20:37,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:37,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:37,526 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:37,533 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:37,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:37,534 INFO L82 PathProgramCache]: Analyzing trace with hash -296047681, now seen corresponding path program 1 times [2021-08-31 05:20:37,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:37,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343156796] [2021-08-31 05:20:37,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:37,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:37,622 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 05:20:37,713 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 05:20:37,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:20:37,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343156796] [2021-08-31 05:20:37,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343156796] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 05:20:37,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 05:20:37,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-31 05:20:37,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460015873] [2021-08-31 05:20:37,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:20:37,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-31 05:20:37,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-31 05:20:37,869 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. cyclomatic complexity: 9 Second operand has 7 states, 6 states have (on average 2.0) 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 05:20:37,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:20:37,990 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2021-08-31 05:20:37,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-31 05:20:37,991 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 32 transitions. [2021-08-31 05:20:37,992 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 05:20:37,992 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 17 states and 22 transitions. [2021-08-31 05:20:37,992 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-08-31 05:20:37,992 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-08-31 05:20:37,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2021-08-31 05:20:37,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:20:37,993 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-08-31 05:20:37,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2021-08-31 05:20:37,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2021-08-31 05:20:37,994 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 05:20:37,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2021-08-31 05:20:37,995 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-08-31 05:20:37,995 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-08-31 05:20:37,995 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 05:20:37,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2021-08-31 05:20:37,995 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 05:20:37,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:37,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:37,996 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:20:37,996 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 05:20:37,996 INFO L791 eck$LassoCheckResult]: Stem: 305#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 306#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, 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~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 315#L524 assume !(main_~length1~0 < 1); 317#L524-2 assume !(main_~length2~0 < 1); 307#L527-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 308#L533-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 303#L533-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 304#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 318#L533-4 main_~i~1 := 0; 312#L537-3 assume !(main_~i~1 < main_~length2~0 - 1); 309#L537-4 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~post5.base, cstrcmp_#t~post5.offset, cstrcmp_#t~mem6, cstrcmp_#t~mem3, cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, cstrcmp_#t~mem4, cstrcmp_#t~mem8, cstrcmp_#t~pre7.base, cstrcmp_#t~pre7.offset, cstrcmp_#t~mem9, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset;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; 310#L516-3 [2021-08-31 05:20:37,996 INFO L793 eck$LassoCheckResult]: Loop: 310#L516-3 call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post2.base, 1 + cstrcmp_#t~post2.offset;call cstrcmp_#t~mem4 := read~int(cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, 1); 311#L516-1 assume !!(cstrcmp_#t~mem3 == cstrcmp_#t~mem4);havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset;havoc cstrcmp_#t~mem4;cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post5.base, 1 + cstrcmp_#t~post5.offset;call cstrcmp_#t~mem6 := read~int(cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, 1); 316#L517 assume !(0 == cstrcmp_#t~mem6);havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset;havoc cstrcmp_#t~mem6; 310#L516-3 [2021-08-31 05:20:37,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:37,997 INFO L82 PathProgramCache]: Analyzing trace with hash -2034626632, now seen corresponding path program 1 times [2021-08-31 05:20:37,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:37,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779762777] [2021-08-31 05:20:37,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:37,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:38,009 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:38,021 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:38,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:38,022 INFO L82 PathProgramCache]: Analyzing trace with hash 77620, now seen corresponding path program 2 times [2021-08-31 05:20:38,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:38,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661477335] [2021-08-31 05:20:38,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:38,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:38,035 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:38,044 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:38,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:38,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1311502365, now seen corresponding path program 1 times [2021-08-31 05:20:38,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:38,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117495936] [2021-08-31 05:20:38,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:38,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:38,172 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 05:20:38,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:20:38,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117495936] [2021-08-31 05:20:38,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117495936] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 05:20:38,172 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 05:20:38,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-31 05:20:38,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124872301] [2021-08-31 05:20:38,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:20:38,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-31 05:20:38,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-08-31 05:20:38,306 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 05:20:38,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:20:38,430 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2021-08-31 05:20:38,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-31 05:20:38,431 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2021-08-31 05:20:38,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 05:20:38,432 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 21 transitions. [2021-08-31 05:20:38,432 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-08-31 05:20:38,432 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-08-31 05:20:38,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2021-08-31 05:20:38,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:20:38,433 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2021-08-31 05:20:38,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2021-08-31 05:20:38,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2021-08-31 05:20:38,434 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 05:20:38,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2021-08-31 05:20:38,434 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-08-31 05:20:38,434 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-08-31 05:20:38,434 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-31 05:20:38,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2021-08-31 05:20:38,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-08-31 05:20:38,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:38,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:38,436 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:20:38,436 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 05:20:38,436 INFO L791 eck$LassoCheckResult]: Stem: 364#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 365#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~nondet15, main_#t~post14, main_~i~0, main_#t~nondet17, main_#t~post16, main_~i~1, main_#t~ret18, 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~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 374#L524 assume !(main_~length1~0 < 1); 376#L524-2 assume !(main_~length2~0 < 1); 366#L527-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;main_~i~0 := 0; 367#L533-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet15, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet15; 362#L533-2 main_#t~post14 := main_~i~0;main_~i~0 := 1 + main_#t~post14;havoc main_#t~post14; 363#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 377#L533-4 main_~i~1 := 0; 371#L537-3 assume !!(main_~i~1 < main_~length2~0 - 1);call write~int(main_#t~nondet17, main_~nondetString2~0.base, main_~nondetString2~0.offset + main_~i~1, 1);havoc main_#t~nondet17; 372#L537-2 main_#t~post16 := main_~i~1;main_~i~1 := 1 + main_#t~post16;havoc main_#t~post16; 373#L537-3 assume !(main_~i~1 < main_~length2~0 - 1); 368#L537-4 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~post5.base, cstrcmp_#t~post5.offset, cstrcmp_#t~mem6, cstrcmp_#t~mem3, cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, cstrcmp_#t~mem4, cstrcmp_#t~mem8, cstrcmp_#t~pre7.base, cstrcmp_#t~pre7.offset, cstrcmp_#t~mem9, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset;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; 369#L516-3 [2021-08-31 05:20:38,436 INFO L793 eck$LassoCheckResult]: Loop: 369#L516-3 call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post2.base, 1 + cstrcmp_#t~post2.offset;call cstrcmp_#t~mem4 := read~int(cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset, 1); 370#L516-1 assume !!(cstrcmp_#t~mem3 == cstrcmp_#t~mem4);havoc cstrcmp_#t~mem3;havoc cstrcmp_#t~post2.base, cstrcmp_#t~post2.offset;havoc cstrcmp_#t~mem4;cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post5.base, 1 + cstrcmp_#t~post5.offset;call cstrcmp_#t~mem6 := read~int(cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset, 1); 375#L517 assume !(0 == cstrcmp_#t~mem6);havoc cstrcmp_#t~post5.base, cstrcmp_#t~post5.offset;havoc cstrcmp_#t~mem6; 369#L516-3 [2021-08-31 05:20:38,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:38,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1066016806, now seen corresponding path program 1 times [2021-08-31 05:20:38,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:38,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988758135] [2021-08-31 05:20:38,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:38,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:38,447 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:38,460 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:38,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:38,461 INFO L82 PathProgramCache]: Analyzing trace with hash 77620, now seen corresponding path program 3 times [2021-08-31 05:20:38,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:38,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660902471] [2021-08-31 05:20:38,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:38,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:38,466 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:38,470 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:38,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:38,471 INFO L82 PathProgramCache]: Analyzing trace with hash -718433093, now seen corresponding path program 1 times [2021-08-31 05:20:38,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:38,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980695718] [2021-08-31 05:20:38,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:38,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:38,485 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:38,501 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:39,441 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:20:39,442 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:20:39,442 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:20:39,442 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:20:39,442 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:20:39,442 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:39,442 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:20:39,442 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:20:39,442 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcmp-alloca-1.i_Iteration5_Lasso [2021-08-31 05:20:39,442 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:20:39,442 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:20:39,445 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 05:20:39,449 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 05:20:39,451 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 05:20:39,453 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 05:20:39,456 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 05:20:39,458 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 05:20:39,460 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 05:20:39,462 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 05:20:39,464 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 05:20:39,466 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 05:20:39,468 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 05:20:39,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:39,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:39,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:39,475 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 05:20:39,478 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 05:20:39,479 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 05:20:39,481 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 05:20:39,483 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 05:20:39,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:39,486 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 05:20:39,488 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 05:20:39,490 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 05:20:39,492 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 05:20:39,494 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 05:20:40,008 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 05:20:40,012 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 05:20:40,560 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:20:40,561 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:20:40,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:40,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:40,568 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 05:20:40,569 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 05:20:40,570 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 05:20:40,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:40,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:40,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:40,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:40,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:40,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:40,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:40,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:40,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-08-31 05:20:40,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:40,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:40,597 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 05:20:40,598 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 05:20:40,600 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 05:20:40,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:40,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:40,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:40,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:40,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:40,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:40,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:40,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:40,623 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 05:20:40,624 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:40,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:40,625 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 05:20:40,625 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 05:20:40,626 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 05:20:40,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:40,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:40,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:40,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:40,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:40,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:40,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:40,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:40,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:40,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:40,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:40,654 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 05:20:40,655 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 05:20:40,656 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 05:20:40,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:40,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:40,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:40,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:40,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:40,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:40,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:40,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-08-31 05:20:40,681 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:40,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:40,682 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 05:20:40,685 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 05:20:40,685 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 05:20:40,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:40,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:40,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:40,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:40,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:40,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:40,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:40,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:40,708 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 05:20:40,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:40,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:40,709 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 05:20:40,710 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 05:20:40,711 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 05:20:40,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:40,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:40,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:40,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:40,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:40,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:40,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:40,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:40,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-08-31 05:20:40,738 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:40,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:40,738 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 05:20:40,740 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 05:20:40,741 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 05:20:40,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:40,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:40,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:40,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:40,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:40,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:40,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:40,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:40,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-08-31 05:20:40,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:40,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:40,764 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 05:20:40,768 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 05:20:40,769 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 05:20:40,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:40,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:40,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:40,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:40,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:40,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:40,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:40,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:40,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-08-31 05:20:40,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:40,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:40,793 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 05:20:40,794 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 05:20:40,794 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 05:20:40,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:40,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:40,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:40,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:40,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:40,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:40,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:40,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:40,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:40,820 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:40,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:40,821 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 05:20:40,822 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 05:20:40,823 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 05:20:40,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:40,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:40,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:40,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:40,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:40,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:40,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:40,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:40,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:40,848 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:40,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:40,849 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 05:20:40,850 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 05:20:40,856 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 05:20:40,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:40,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:40,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:40,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:40,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:40,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:40,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:40,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:40,882 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 05:20:40,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:40,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:40,884 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 05:20:40,887 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 05:20:40,888 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 05:20:40,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:40,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:40,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:40,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:40,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:40,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:40,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:40,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:40,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-08-31 05:20:40,914 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:40,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:40,915 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 05:20:40,916 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 05:20:40,917 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 05:20:40,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:40,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:40,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:40,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:40,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:40,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:40,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:40,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:40,942 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 05:20:40,943 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:40,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:40,943 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 05:20:40,944 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 05:20:40,947 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 05:20:40,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:40,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:40,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:40,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:40,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:40,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:40,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:40,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:40,972 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 05:20:40,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:40,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:40,974 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 05:20:40,975 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 05:20:40,976 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 05:20:40,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:40,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:40,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:40,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:40,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:40,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:40,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:41,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-08-31 05:20:41,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:41,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:41,004 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 05:20:41,004 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 05:20:41,005 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 05:20:41,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:41,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:41,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:41,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:41,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:41,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:41,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:41,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:41,031 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 05:20:41,031 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:41,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:41,032 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 05:20:41,033 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 05:20:41,034 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 05:20:41,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:41,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:41,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:41,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:41,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:41,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:41,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:41,062 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 05:20:41,063 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:41,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:41,063 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 05:20:41,064 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 05:20:41,066 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 05:20:41,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:41,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:41,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:41,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:41,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:41,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:41,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:41,092 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-08-31 05:20:41,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:41,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:41,093 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 05:20:41,094 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 05:20:41,097 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 05:20:41,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:41,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:41,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:41,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:41,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:41,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:41,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:41,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:41,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-08-31 05:20:41,132 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:41,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:41,133 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 05:20:41,134 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 05:20:41,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:20:41,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:41,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:41,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:41,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:41,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:41,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:41,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:41,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:41,159 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 05:20:41,159 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:41,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:41,160 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 05:20:41,167 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 05:20:41,167 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 05:20:41,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:41,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:41,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:41,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:41,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:41,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:41,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:41,193 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 05:20:41,194 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:41,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:41,195 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 05:20:41,195 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 05:20:41,196 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 05:20:41,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:41,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:41,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:41,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:41,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:41,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:41,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:41,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:41,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:41,227 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:41,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:41,228 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 05:20:41,229 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 05:20:41,230 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 05:20:41,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:41,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:41,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:41,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:41,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:41,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:41,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:41,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:41,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-08-31 05:20:41,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:41,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:41,255 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:20:41,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-08-31 05:20:41,258 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 05:20:41,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:41,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:41,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:41,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:41,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:41,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:41,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:41,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:41,281 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-08-31 05:20:41,282 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:41,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:41,282 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:20:41,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-08-31 05:20:41,284 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 05:20:41,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:41,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:41,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:41,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:41,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:41,293 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:41,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:41,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:41,322 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:41,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:41,322 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:20:41,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-08-31 05:20:41,326 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 05:20:41,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:41,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:41,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:41,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:41,335 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:41,335 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:41,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:41,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:41,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:41,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:41,356 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:20:41,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-08-31 05:20:41,358 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 05:20:41,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:41,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:41,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:41,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:41,366 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:41,366 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:41,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:41,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-08-31 05:20:41,393 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:41,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:41,393 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:20:41,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-08-31 05:20:41,395 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 05:20:41,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:41,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:41,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:41,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:41,423 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:41,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:41,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:41,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:41,469 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:41,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:41,476 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:20:41,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-08-31 05:20:41,479 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 05:20:41,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:41,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:41,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:41,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:41,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:41,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:41,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:41,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:41,525 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:41,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:41,526 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:20:41,529 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 05:20:41,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:41,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:41,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:41,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:41,541 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:41,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:41,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-08-31 05:20:41,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:41,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:41,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:41,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:41,581 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:20:41,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-08-31 05:20:41,583 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 05:20:41,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:41,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:41,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:41,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:41,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:41,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:41,625 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:20:41,695 INFO L443 ModelExtractionUtils]: Simplification made 28 calls to the SMT solver. [2021-08-31 05:20:41,695 INFO L444 ModelExtractionUtils]: 14 out of 52 variables were initially zero. Simplification set additionally 35 variables to zero. [2021-08-31 05:20:41,695 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:41,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:41,701 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:20:41,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-08-31 05:20:41,704 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:20:41,713 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 05:20:41,714 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:20:41,714 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2, ULTIMATE.start_cstrcmp_~s1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2 - 1*ULTIMATE.start_cstrcmp_~s1.offset Supporting invariants [] [2021-08-31 05:20:41,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-08-31 05:20:41,805 INFO L297 tatePredicateManager]: 25 out of 26 supporting invariants were superfluous and have been removed [2021-08-31 05:20:41,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:41,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-31 05:20:41,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:41,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-31 05:20:41,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:41,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-08-31 05:20:41,970 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 05:20:41,971 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-08-31 05:20:41,971 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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 05:20:42,013 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 7. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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 20 states and 24 transitions. Complement of second has 6 states. [2021-08-31 05:20:42,014 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 05:20:42,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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 05:20:42,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-08-31 05:20:42,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 13 letters. Loop has 3 letters. [2021-08-31 05:20:42,015 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:42,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 16 letters. Loop has 3 letters. [2021-08-31 05:20:42,015 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:42,015 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 13 letters. Loop has 6 letters. [2021-08-31 05:20:42,016 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:42,016 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2021-08-31 05:20:42,016 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 05:20:42,017 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2021-08-31 05:20:42,017 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 05:20:42,017 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 05:20:42,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 05:20:42,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:20:42,017 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:20:42,017 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:20:42,017 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:20:42,017 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-31 05:20:42,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 05:20:42,018 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 05:20:42,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 05:20:42,020 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 05:20:42,023 INFO L158 Benchmark]: Toolchain (without parser) took 8951.65ms. Allocated memory was 56.6MB in the beginning and 92.3MB in the end (delta: 35.7MB). Free memory was 40.6MB in the beginning and 61.9MB in the end (delta: -21.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-08-31 05:20:42,024 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 46.1MB. Free memory was 28.9MB in the beginning and 28.9MB in the end (delta: 36.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 05:20:42,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.26ms. Allocated memory is still 56.6MB. Free memory was 40.4MB in the beginning and 35.7MB in the end (delta: 4.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-31 05:20:42,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.08ms. Allocated memory is still 56.6MB. Free memory was 35.7MB in the beginning and 33.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 05:20:42,025 INFO L158 Benchmark]: Boogie Preprocessor took 47.40ms. Allocated memory is still 56.6MB. Free memory was 33.8MB in the beginning and 32.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 05:20:42,025 INFO L158 Benchmark]: RCFGBuilder took 318.20ms. Allocated memory is still 56.6MB. Free memory was 32.3MB in the beginning and 35.9MB in the end (delta: -3.5MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-08-31 05:20:42,025 INFO L158 Benchmark]: BuchiAutomizer took 8075.69ms. Allocated memory was 56.6MB in the beginning and 92.3MB in the end (delta: 35.7MB). Free memory was 35.9MB in the beginning and 61.9MB in the end (delta: -26.1MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-08-31 05:20:42,026 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 46.1MB. Free memory was 28.9MB in the beginning and 28.9MB in the end (delta: 36.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.26ms. Allocated memory is still 56.6MB. Free memory was 40.4MB in the beginning and 35.7MB in the end (delta: 4.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.08ms. Allocated memory is still 56.6MB. Free memory was 35.7MB in the beginning and 33.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.40ms. Allocated memory is still 56.6MB. Free memory was 33.8MB in the beginning and 32.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 318.20ms. Allocated memory is still 56.6MB. Free memory was 32.3MB in the beginning and 35.9MB in the end (delta: -3.5MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 8075.69ms. Allocated memory was 56.6MB in the beginning and 92.3MB in the end (delta: 35.7MB). Free memory was 35.9MB in the beginning and 61.9MB in the end (delta: -26.1MB). Peak memory consumption was 9.1MB. 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[nondetString1] + -1 * s1 and consists of 4 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 05:20:42,054 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...