./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 50bdaf600d03af0a677a59daf6a875dbe69c10b2 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 05:20:55,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 05:20:55,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 05:20:55,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 05:20:55,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 05:20:55,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 05:20:55,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 05:20:55,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 05:20:55,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 05:20:55,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 05:20:55,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 05:20:55,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 05:20:55,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 05:20:55,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 05:20:55,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 05:20:55,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 05:20:55,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 05:20:55,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 05:20:55,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 05:20:55,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 05:20:55,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 05:20:55,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 05:20:55,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 05:20:55,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 05:20:55,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 05:20:55,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 05:20:55,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 05:20:55,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 05:20:55,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 05:20:55,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 05:20:55,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 05:20:55,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 05:20:55,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 05:20:55,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 05:20:55,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 05:20:55,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 05:20:55,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 05:20:55,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 05:20:55,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 05:20:55,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 05:20:55,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 05:20:55,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 05:20:55,762 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 05:20:55,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 05:20:55,763 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 05:20:55,763 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 05:20:55,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 05:20:55,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 05:20:55,765 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 05:20:55,765 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 05:20:55,765 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 05:20:55,765 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 05:20:55,766 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 05:20:55,766 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 05:20:55,766 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 05:20:55,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 05:20:55,766 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 05:20:55,766 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 05:20:55,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 05:20:55,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 05:20:55,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 05:20:55,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 05:20:55,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 05:20:55,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 05:20:55,767 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 05:20:55,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 05:20:55,767 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 05:20:55,767 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 05:20:55,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 05:20:55,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 05:20:55,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 05:20:55,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 05:20:55,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 05:20:55,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 05:20:55,768 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 05:20:55,768 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50bdaf600d03af0a677a59daf6a875dbe69c10b2 [2021-08-31 05:20:55,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 05:20:56,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 05:20:56,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 05:20:56,016 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 05:20:56,016 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 05:20:56,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i [2021-08-31 05:20:56,062 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21bdee333/e5c2f9e4ff764f7b902e9704faa1b66f/FLAGe68639bdf [2021-08-31 05:20:56,488 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 05:20:56,488 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i [2021-08-31 05:20:56,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21bdee333/e5c2f9e4ff764f7b902e9704faa1b66f/FLAGe68639bdf [2021-08-31 05:20:56,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21bdee333/e5c2f9e4ff764f7b902e9704faa1b66f [2021-08-31 05:20:56,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 05:20:56,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 05:20:56,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 05:20:56,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 05:20:56,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 05:20:56,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:20:56" (1/1) ... [2021-08-31 05:20:56,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7593c639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:56, skipping insertion in model container [2021-08-31 05:20:56,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:20:56" (1/1) ... [2021-08-31 05:20:56,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 05:20:56,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 05:20:56,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:20:56,747 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 05:20:56,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:20:56,799 INFO L208 MainTranslator]: Completed translation [2021-08-31 05:20:56,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:56 WrapperNode [2021-08-31 05:20:56,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 05:20:56,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 05:20:56,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 05:20:56,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 05:20:56,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:56" (1/1) ... [2021-08-31 05:20:56,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:56" (1/1) ... [2021-08-31 05:20:56,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 05:20:56,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 05:20:56,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 05:20:56,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 05:20:56,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:56" (1/1) ... [2021-08-31 05:20:56,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:56" (1/1) ... [2021-08-31 05:20:56,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:56" (1/1) ... [2021-08-31 05:20:56,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:56" (1/1) ... [2021-08-31 05:20:56,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:56" (1/1) ... [2021-08-31 05:20:56,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:56" (1/1) ... [2021-08-31 05:20:56,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:56" (1/1) ... [2021-08-31 05:20:56,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 05:20:56,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 05:20:56,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 05:20:56,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 05:20:56,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:56" (1/1) ... [2021-08-31 05:20:56,883 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:56,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:56,918 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 05:20:56,945 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 05:20:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-31 05:20:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-31 05:20:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 05:20:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 05:20:56,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 05:20:56,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 05:20:57,095 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 05:20:57,096 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-31 05:20:57,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:20:57 BoogieIcfgContainer [2021-08-31 05:20:57,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 05:20:57,097 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 05:20:57,098 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 05:20:57,099 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 05:20:57,100 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:20:57,100 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 05:20:56" (1/3) ... [2021-08-31 05:20:57,100 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4096151e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:20:57, skipping insertion in model container [2021-08-31 05:20:57,101 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:20:57,101 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:20:56" (2/3) ... [2021-08-31 05:20:57,101 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4096151e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:20:57, skipping insertion in model container [2021-08-31 05:20:57,101 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:20:57,101 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:20:57" (3/3) ... [2021-08-31 05:20:57,102 INFO L389 chiAutomizerObserver]: Analyzing ICFG strreplace-alloca-2.i [2021-08-31 05:20:57,129 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 05:20:57,129 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 05:20:57,129 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 05:20:57,129 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 05:20:57,129 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 05:20:57,130 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 05:20:57,130 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 05:20:57,130 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 05:20:57,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4) 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 05:20:57,152 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-31 05:20:57,152 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:57,152 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:57,156 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-31 05:20:57,156 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:20:57,156 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 05:20:57,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4) 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 05:20:57,157 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-08-31 05:20:57,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:57,157 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:57,157 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-31 05:20:57,157 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:20:57,161 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6; 13#L528true assume !(main_~length1~0 < 1); 7#L528-2true call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 11#L533-3true [2021-08-31 05:20:57,162 INFO L793 eck$LassoCheckResult]: Loop: 11#L533-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet9, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet9; 3#L533-2true main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 11#L533-3true [2021-08-31 05:20:57,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:57,165 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-08-31 05:20:57,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:57,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621381922] [2021-08-31 05:20:57,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:57,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:57,236 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:57,267 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:57,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:57,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-08-31 05:20:57,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:57,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258260342] [2021-08-31 05:20:57,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:57,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:57,289 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:57,297 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:57,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:57,298 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-08-31 05:20:57,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:57,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394162113] [2021-08-31 05:20:57,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:57,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:57,312 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:57,327 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:57,577 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:20:57,577 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:20:57,577 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:20:57,577 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:20:57,578 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:20:57,578 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:57,578 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:20:57,578 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:20:57,578 INFO L133 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-2.i_Iteration1_Lasso [2021-08-31 05:20:57,578 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:20:57,579 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:20:57,595 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 05:20:57,599 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 05:20:57,601 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 05:20:57,604 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 05:20:57,605 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 05:20:57,607 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 05:20:57,611 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 05:20:57,614 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 05:20:57,687 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 05:20:57,690 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 05:20:57,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:20:57,694 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 05:20:57,869 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:20:57,871 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:20:57,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:57,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:57,874 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 05:20:57,877 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 05:20:57,877 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 05:20:57,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:57,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:57,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:57,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:57,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:57,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:57,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:57,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:57,908 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 05:20:57,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:57,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:57,909 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 05:20:57,910 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 05:20:57,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:20:57,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:57,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:57,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:57,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:57,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:57,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:57,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:57,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:57,935 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 05:20:57,936 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:57,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:57,937 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 05:20:57,940 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 05:20:57,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:20:57,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:57,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:57,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:57,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:57,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:57,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:57,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:57,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:57,964 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 05:20:57,964 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:57,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:57,965 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 05:20:57,967 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 05:20:57,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:20:57,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:57,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:57,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:57,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:57,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:57,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:57,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:57,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:57,995 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 05:20:57,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:57,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:57,996 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 05:20:57,996 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 05:20:58,003 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 05:20:58,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:58,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:58,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:58,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:58,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:58,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:58,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:58,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:58,027 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 05:20:58,027 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:58,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:58,028 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 05:20:58,029 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 05:20:58,036 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 05:20:58,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:58,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:58,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:58,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:58,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:58,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:58,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:58,081 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 05:20:58,082 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:58,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:58,082 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 05:20:58,083 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 05:20:58,084 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 05:20:58,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:58,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:58,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:58,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:58,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:58,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:58,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:58,129 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 05:20:58,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:58,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:58,130 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 05:20:58,130 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 05:20:58,132 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 05:20:58,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:58,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:20:58,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:58,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:58,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:58,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:20:58,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:20:58,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:20:58,170 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 05:20:58,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:58,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:58,171 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 05:20:58,172 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 05:20:58,173 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 05:20:58,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:20:58,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:20:58,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:20:58,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:20:58,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:20:58,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:20:58,202 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:20:58,228 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-08-31 05:20:58,228 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-08-31 05:20:58,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:58,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:20:58,231 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 05:20:58,243 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:20:58,252 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 05:20:58,264 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 05:20:58,264 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:20:58,264 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 05:20:58,281 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 05:20:58,287 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-08-31 05:20:58,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:58,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 05:20:58,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:58,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 05:20:58,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:20:58,355 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 05:20:58,380 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 05:20:58,380 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4) 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 05:20:58,439 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4) 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). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 38 states and 51 transitions. Complement of second has 7 states. [2021-08-31 05:20:58,445 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 05:20:58,445 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 05:20:58,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 05:20:58,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2021-08-31 05:20:58,454 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2021-08-31 05:20:58,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:58,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 2 letters. [2021-08-31 05:20:58,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:58,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 4 letters. [2021-08-31 05:20:58,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:20:58,457 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 51 transitions. [2021-08-31 05:20:58,461 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 05:20:58,468 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 16 transitions. [2021-08-31 05:20:58,469 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-08-31 05:20:58,469 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-08-31 05:20:58,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2021-08-31 05:20:58,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:20:58,469 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-08-31 05:20:58,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2021-08-31 05:20:58,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-08-31 05:20:58,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 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 05:20:58,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2021-08-31 05:20:58,483 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-08-31 05:20:58,484 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-08-31 05:20:58,484 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 05:20:58,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2021-08-31 05:20:58,484 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 05:20:58,484 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:58,484 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:58,489 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 05:20:58,489 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 05:20:58,489 INFO L791 eck$LassoCheckResult]: Stem: 117#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 118#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6; 115#L528 assume !(main_~length1~0 < 1); 116#L528-2 call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 111#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 113#L533-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrreplace_#in~s.base, cstrreplace_#in~s.offset, cstrreplace_#in~old, cstrreplace_#in~new := main_~nondetString1~0.base, main_~nondetString1~0.offset, (if main_#t~nondet10 % 256 <= 127 then main_#t~nondet10 % 256 else main_#t~nondet10 % 256 - 256), (if main_#t~nondet11 % 256 <= 127 then main_#t~nondet11 % 256 else main_#t~nondet11 % 256 - 256);havoc cstrreplace_#res;havoc cstrreplace_#t~mem3, cstrreplace_#t~post4, cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset, cstrreplace_#t~mem2, cstrreplace_~s.base, cstrreplace_~s.offset, cstrreplace_~old, cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, cstrreplace_~numReplaced~0;cstrreplace_~s.base, cstrreplace_~s.offset := cstrreplace_#in~s.base, cstrreplace_#in~s.offset;cstrreplace_~old := cstrreplace_#in~old;cstrreplace_~new := cstrreplace_#in~new;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_~s.base, cstrreplace_~s.offset;cstrreplace_~numReplaced~0 := 0; 119#L517-3 [2021-08-31 05:20:58,489 INFO L793 eck$LassoCheckResult]: Loop: 119#L517-3 call cstrreplace_#t~mem2 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 121#L517-1 assume !!(0 != cstrreplace_#t~mem2);havoc cstrreplace_#t~mem2;call cstrreplace_#t~mem3 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 122#L518 assume cstrreplace_#t~mem3 == cstrreplace_~old;havoc cstrreplace_#t~mem3;call write~int(cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1);cstrreplace_#t~post4 := cstrreplace_~numReplaced~0;cstrreplace_~numReplaced~0 := 1 + cstrreplace_#t~post4;havoc cstrreplace_#t~post4; 120#L518-2 cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset := cstrreplace_~p~0.base, cstrreplace_~p~0.offset;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_#t~post5.base, 1 + cstrreplace_#t~post5.offset;havoc cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset; 119#L517-3 [2021-08-31 05:20:58,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:58,490 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-08-31 05:20:58,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:58,491 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299200842] [2021-08-31 05:20:58,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:58,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:58,512 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:58,525 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:58,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:58,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1790538, now seen corresponding path program 1 times [2021-08-31 05:20:58,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:58,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157231961] [2021-08-31 05:20:58,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:58,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:58,530 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:58,534 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:58,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:58,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1952978730, now seen corresponding path program 1 times [2021-08-31 05:20:58,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:58,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861660261] [2021-08-31 05:20:58,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:58,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:20:58,688 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 05:20:58,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:20:58,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861660261] [2021-08-31 05:20:58,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861660261] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 05:20:58,690 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 05:20:58,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-31 05:20:58,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583081297] [2021-08-31 05:20:58,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:20:58,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-31 05:20:58,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-31 05:20:58,754 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:20:58,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:20:58,820 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2021-08-31 05:20:58,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-31 05:20:58,821 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2021-08-31 05:20:58,822 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 05:20:58,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 13 states and 16 transitions. [2021-08-31 05:20:58,822 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-08-31 05:20:58,823 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-08-31 05:20:58,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2021-08-31 05:20:58,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:20:58,823 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-08-31 05:20:58,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2021-08-31 05:20:58,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2021-08-31 05:20:58,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 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 05:20:58,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2021-08-31 05:20:58,824 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-08-31 05:20:58,824 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-08-31 05:20:58,824 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 05:20:58,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2021-08-31 05:20:58,825 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-08-31 05:20:58,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:20:58,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:20:58,825 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:20:58,825 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 05:20:58,826 INFO L791 eck$LassoCheckResult]: Stem: 161#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 162#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6; 159#L528 assume !(main_~length1~0 < 1); 160#L528-2 call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 155#L533-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet9, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet9; 156#L533-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 157#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 158#L533-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrreplace_#in~s.base, cstrreplace_#in~s.offset, cstrreplace_#in~old, cstrreplace_#in~new := main_~nondetString1~0.base, main_~nondetString1~0.offset, (if main_#t~nondet10 % 256 <= 127 then main_#t~nondet10 % 256 else main_#t~nondet10 % 256 - 256), (if main_#t~nondet11 % 256 <= 127 then main_#t~nondet11 % 256 else main_#t~nondet11 % 256 - 256);havoc cstrreplace_#res;havoc cstrreplace_#t~mem3, cstrreplace_#t~post4, cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset, cstrreplace_#t~mem2, cstrreplace_~s.base, cstrreplace_~s.offset, cstrreplace_~old, cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, cstrreplace_~numReplaced~0;cstrreplace_~s.base, cstrreplace_~s.offset := cstrreplace_#in~s.base, cstrreplace_#in~s.offset;cstrreplace_~old := cstrreplace_#in~old;cstrreplace_~new := cstrreplace_#in~new;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_~s.base, cstrreplace_~s.offset;cstrreplace_~numReplaced~0 := 0; 163#L517-3 [2021-08-31 05:20:58,826 INFO L793 eck$LassoCheckResult]: Loop: 163#L517-3 call cstrreplace_#t~mem2 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 165#L517-1 assume !!(0 != cstrreplace_#t~mem2);havoc cstrreplace_#t~mem2;call cstrreplace_#t~mem3 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 166#L518 assume cstrreplace_#t~mem3 == cstrreplace_~old;havoc cstrreplace_#t~mem3;call write~int(cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1);cstrreplace_#t~post4 := cstrreplace_~numReplaced~0;cstrreplace_~numReplaced~0 := 1 + cstrreplace_#t~post4;havoc cstrreplace_#t~post4; 164#L518-2 cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset := cstrreplace_~p~0.base, cstrreplace_~p~0.offset;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_#t~post5.base, 1 + cstrreplace_#t~post5.offset;havoc cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset; 163#L517-3 [2021-08-31 05:20:58,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:58,826 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2021-08-31 05:20:58,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:58,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143976845] [2021-08-31 05:20:58,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:58,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:58,836 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:58,846 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:58,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:58,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1790538, now seen corresponding path program 2 times [2021-08-31 05:20:58,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:58,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594471205] [2021-08-31 05:20:58,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:58,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:58,858 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:58,863 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:58,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:20:58,863 INFO L82 PathProgramCache]: Analyzing trace with hash -357903304, now seen corresponding path program 1 times [2021-08-31 05:20:58,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:20:58,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860386651] [2021-08-31 05:20:58,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:20:58,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:20:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:58,878 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:20:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:20:58,909 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:20:59,380 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:20:59,381 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:20:59,381 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:20:59,381 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:20:59,381 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:20:59,381 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:20:59,381 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:20:59,381 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:20:59,381 INFO L133 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-2.i_Iteration3_Lasso [2021-08-31 05:20:59,381 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:20:59,381 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:20:59,384 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 05:20:59,389 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 05:20:59,391 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 05:20:59,392 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 05:20:59,395 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 05:20:59,397 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 05:20:59,398 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 05:20:59,400 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 05:20:59,402 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 05:20:59,404 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 05:20:59,405 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 05:20:59,407 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 05:20:59,408 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 05:20:59,426 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-08-31 05:20:59,906 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 05:20:59,910 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 05:20:59,911 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 05:20:59,912 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 05:20:59,914 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 05:21:00,305 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:21:00,305 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:21:00,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:00,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:00,306 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 05:21:00,307 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 05:21:00,308 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 05:21:00,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:00,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:21:00,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:00,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:00,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:00,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:21:00,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:21:00,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:00,354 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 05:21:00,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:00,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:00,357 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 05:21:00,358 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 05:21:00,359 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 05:21:00,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:00,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:21:00,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:00,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:00,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:00,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:21:00,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:21:00,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:00,403 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 05:21:00,403 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:00,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:00,404 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 05:21:00,405 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 05:21:00,406 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 05:21:00,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:00,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:21:00,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:00,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:00,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:00,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:21:00,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:21:00,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:00,458 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 05:21:00,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:00,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:00,459 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 05:21:00,460 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 05:21:00,461 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 05:21:00,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:00,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:00,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:00,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:00,468 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:21:00,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:21:00,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:00,498 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 05:21:00,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:00,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:00,505 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 05:21:00,513 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 05:21:00,513 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 05:21:00,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:00,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:00,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:00,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:00,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:21:00,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:21:00,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:00,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-08-31 05:21:00,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:00,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:00,554 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 05:21:00,555 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 05:21:00,556 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 05:21:00,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:00,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:21:00,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:00,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:00,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:00,563 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:21:00,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:21:00,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:00,579 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 05:21:00,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:00,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:00,580 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 05:21:00,587 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 05:21:00,589 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 05:21:00,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:00,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:21:00,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:00,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:00,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:00,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:21:00,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:21:00,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:00,628 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 05:21:00,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:00,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:00,630 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 05:21:00,631 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 05:21:00,632 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 05:21:00,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:00,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:00,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:00,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:00,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:21:00,640 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:21:00,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:00,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-08-31 05:21:00,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:00,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:00,675 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 05:21:00,691 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 05:21:00,692 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 05:21:00,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:00,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:21:00,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:00,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:00,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:00,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:21:00,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:21:00,699 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:00,715 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 05:21:00,715 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:00,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:00,715 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 05:21:00,716 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 05:21:00,717 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 05:21:00,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:00,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:21:00,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:00,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:00,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:00,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:21:00,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:21:00,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:00,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-08-31 05:21:00,748 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:00,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:00,748 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 05:21:00,749 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 05:21:00,750 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 05:21:00,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:00,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:21:00,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:00,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:00,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:00,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:21:00,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:21:00,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:00,772 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 05:21:00,772 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:00,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:00,773 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 05:21:00,774 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 05:21:00,775 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 05:21:00,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:00,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:00,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:00,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:00,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:21:00,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:21:00,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:00,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-08-31 05:21:00,802 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:00,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:00,802 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 05:21:00,803 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 05:21:00,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:21:00,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:00,810 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-31 05:21:00,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:00,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:00,813 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-31 05:21:00,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:21:00,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:00,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-08-31 05:21:00,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:00,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:00,861 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 05:21:00,868 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 05:21:00,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:00,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:00,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:00,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:00,875 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 05:21:00,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:21:00,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:21:00,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:00,910 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-08-31 05:21:00,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:00,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:00,911 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 05:21:00,912 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 05:21:00,913 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 05:21:00,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:00,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:00,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:00,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:00,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:21:00,923 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:21:00,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:00,947 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 05:21:00,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:00,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:00,948 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 05:21:00,949 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 05:21:00,950 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 05:21:00,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:00,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:00,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:00,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:00,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:21:00,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:21:00,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:21:01,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-08-31 05:21:01,007 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:01,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:01,007 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 05:21:01,013 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 05:21:01,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:21:01,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:21:01,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:21:01,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:21:01,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:21:01,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:21:01,034 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 05:21:01,044 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:21:01,085 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-08-31 05:21:01,085 INFO L444 ModelExtractionUtils]: 23 out of 31 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-08-31 05:21:01,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:21:01,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:21:01,101 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 05:21:01,116 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 05:21:01,124 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:21:01,143 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 05:21:01,143 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:21:01,143 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_2, ULTIMATE.start_cstrreplace_~p~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_2 - 1*ULTIMATE.start_cstrreplace_~p~0.offset Supporting invariants [] [2021-08-31 05:21:01,158 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 05:21:01,163 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2021-08-31 05:21:01,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:21:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:21:01,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-31 05:21:01,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:21:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:21:01,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-08-31 05:21:01,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:21:01,268 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 05:21:01,269 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-08-31 05:21:01,269 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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 05:21:01,297 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) Result 16 states and 21 transitions. Complement of second has 5 states. [2021-08-31 05:21:01,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 05:21:01,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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 05:21:01,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-08-31 05:21:01,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 4 letters. [2021-08-31 05:21:01,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:21:01,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2021-08-31 05:21:01,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:21:01,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 8 letters. [2021-08-31 05:21:01,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:21:01,299 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2021-08-31 05:21:01,299 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 05:21:01,300 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2021-08-31 05:21:01,300 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 05:21:01,300 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 05:21:01,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 05:21:01,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:21:01,300 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:21:01,300 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:21:01,300 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:21:01,300 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 05:21:01,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 05:21:01,300 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 05:21:01,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 05:21:01,302 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 05:21:01,304 INFO L158 Benchmark]: Toolchain (without parser) took 4784.93ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 34.3MB in the beginning and 31.2MB in the end (delta: 3.1MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2021-08-31 05:21:01,304 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 38.8MB in the beginning and 38.8MB in the end (delta: 51.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 05:21:01,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.14ms. Allocated memory is still 56.6MB. Free memory was 34.1MB in the beginning and 34.8MB in the end (delta: -662.4kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-31 05:21:01,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.57ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 32.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 05:21:01,305 INFO L158 Benchmark]: Boogie Preprocessor took 26.99ms. Allocated memory is still 56.6MB. Free memory was 32.9MB in the beginning and 31.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 05:21:01,305 INFO L158 Benchmark]: RCFGBuilder took 225.67ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 31.5MB in the beginning and 54.4MB in the end (delta: -22.9MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2021-08-31 05:21:01,306 INFO L158 Benchmark]: BuchiAutomizer took 4205.79ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 54.4MB in the beginning and 31.2MB in the end (delta: 23.3MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2021-08-31 05:21:01,307 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 38.8MB in the beginning and 38.8MB in the end (delta: 51.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.14ms. Allocated memory is still 56.6MB. Free memory was 34.1MB in the beginning and 34.8MB in the end (delta: -662.4kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.57ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 32.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.99ms. Allocated memory is still 56.6MB. Free memory was 32.9MB in the beginning and 31.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 225.67ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 31.5MB in the beginning and 54.4MB in the end (delta: -22.9MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 4205.79ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 54.4MB in the beginning and 31.2MB in the end (delta: 23.3MB). Peak memory consumption was 37.5MB. 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 3 terminating modules (1 trivial, 2 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 unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * p and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 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 05:21:01,334 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 05:21:01,538 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...