./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/reducercommutativity/max10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/reducercommutativity/max10-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26bc4a4da598eefeae13591143340a28d87c3535 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 05:18:28,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 05:18:28,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 05:18:28,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 05:18:28,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 05:18:28,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 05:18:28,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 05:18:28,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 05:18:28,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 05:18:28,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 05:18:28,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 05:18:28,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 05:18:28,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 05:18:28,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 05:18:28,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 05:18:28,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 05:18:28,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 05:18:28,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 05:18:28,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 05:18:28,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 05:18:28,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 05:18:28,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 05:18:28,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 05:18:28,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 05:18:28,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 05:18:28,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 05:18:28,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 05:18:28,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 05:18:28,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 05:18:28,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 05:18:28,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 05:18:28,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 05:18:28,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 05:18:28,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 05:18:28,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 05:18:28,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 05:18:28,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 05:18:28,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 05:18:28,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 05:18:28,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 05:18:28,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 05:18:28,709 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 05:18:28,739 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 05:18:28,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 05:18:28,740 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 05:18:28,740 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 05:18:28,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 05:18:28,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 05:18:28,742 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 05:18:28,742 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 05:18:28,742 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 05:18:28,742 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 05:18:28,743 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 05:18:28,743 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 05:18:28,743 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 05:18:28,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 05:18:28,743 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 05:18:28,743 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 05:18:28,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 05:18:28,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 05:18:28,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 05:18:28,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 05:18:28,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 05:18:28,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 05:18:28,744 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 05:18:28,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 05:18:28,744 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 05:18:28,744 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 05:18:28,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 05:18:28,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 05:18:28,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 05:18:28,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 05:18:28,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 05:18:28,745 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 05:18:28,745 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 05:18:28,745 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26bc4a4da598eefeae13591143340a28d87c3535 [2021-08-31 05:18:28,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 05:18:29,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 05:18:29,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 05:18:29,014 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 05:18:29,014 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 05:18:29,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/max10-1.i [2021-08-31 05:18:29,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf158484/69634964604a4508b4543a0386a34224/FLAGaad0651be [2021-08-31 05:18:29,361 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 05:18:29,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max10-1.i [2021-08-31 05:18:29,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf158484/69634964604a4508b4543a0386a34224/FLAGaad0651be [2021-08-31 05:18:29,779 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbf158484/69634964604a4508b4543a0386a34224 [2021-08-31 05:18:29,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 05:18:29,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 05:18:29,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 05:18:29,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 05:18:29,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 05:18:29,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:18:29" (1/1) ... [2021-08-31 05:18:29,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b7e176b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:18:29, skipping insertion in model container [2021-08-31 05:18:29,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:18:29" (1/1) ... [2021-08-31 05:18:29,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 05:18:29,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 05:18:29,878 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max10-1.i[1290,1303] [2021-08-31 05:18:29,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:18:29,883 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 05:18:29,927 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max10-1.i[1290,1303] [2021-08-31 05:18:29,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:18:29,940 INFO L208 MainTranslator]: Completed translation [2021-08-31 05:18:29,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:18:29 WrapperNode [2021-08-31 05:18:29,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 05:18:29,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 05:18:29,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 05:18:29,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 05:18:29,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:18:29" (1/1) ... [2021-08-31 05:18:29,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:18:29" (1/1) ... [2021-08-31 05:18:29,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 05:18:29,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 05:18:29,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 05:18:29,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 05:18:29,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:18:29" (1/1) ... [2021-08-31 05:18:29,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:18:29" (1/1) ... [2021-08-31 05:18:29,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:18:29" (1/1) ... [2021-08-31 05:18:29,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:18:29" (1/1) ... [2021-08-31 05:18:29,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:18:29" (1/1) ... [2021-08-31 05:18:29,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:18:29" (1/1) ... [2021-08-31 05:18:29,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:18:29" (1/1) ... [2021-08-31 05:18:29,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 05:18:29,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 05:18:29,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 05:18:29,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 05:18:29,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:18:29" (1/1) ... [2021-08-31 05:18:29,998 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:30,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:30,029 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 05:18:30,047 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 05:18:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 05:18:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 05:18:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-31 05:18:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 05:18:30,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 05:18:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-31 05:18:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-31 05:18:30,164 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 05:18:30,165 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-08-31 05:18:30,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:18:30 BoogieIcfgContainer [2021-08-31 05:18:30,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 05:18:30,167 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 05:18:30,167 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 05:18:30,172 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 05:18:30,173 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:18:30,173 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 05:18:29" (1/3) ... [2021-08-31 05:18:30,174 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38505984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:18:30, skipping insertion in model container [2021-08-31 05:18:30,174 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:18:30,174 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:18:29" (2/3) ... [2021-08-31 05:18:30,174 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38505984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:18:30, skipping insertion in model container [2021-08-31 05:18:30,174 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:18:30,174 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:18:30" (3/3) ... [2021-08-31 05:18:30,175 INFO L389 chiAutomizerObserver]: Analyzing ICFG max10-1.i [2021-08-31 05:18:30,201 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 05:18:30,201 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 05:18:30,201 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 05:18:30,202 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 05:18:30,202 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 05:18:30,202 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 05:18:30,202 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 05:18:30,202 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 05:18:30,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 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 05:18:30,228 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 16 [2021-08-31 05:18:30,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:18:30,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:18:30,232 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 05:18:30,232 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:18:30,232 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 05:18:30,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 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 05:18:30,234 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 16 [2021-08-31 05:18:30,234 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:18:30,234 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:18:30,234 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 05:18:30,235 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:18:30,240 INFO L791 eck$LassoCheckResult]: Stem: 19#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 8#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 17#L34-3true [2021-08-31 05:18:30,240 INFO L793 eck$LassoCheckResult]: Loop: 17#L34-3true assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 11#L34-2true main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 17#L34-3true [2021-08-31 05:18:30,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:30,243 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-08-31 05:18:30,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:30,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279477181] [2021-08-31 05:18:30,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:30,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:30,312 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:18:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:30,356 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:18:30,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:30,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-08-31 05:18:30,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:30,362 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900080113] [2021-08-31 05:18:30,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:30,362 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:30,374 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:18:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:30,383 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:18:30,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:30,391 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-08-31 05:18:30,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:30,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088571423] [2021-08-31 05:18:30,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:30,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:30,407 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:18:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:30,430 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:18:30,772 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:18:30,773 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:18:30,773 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:18:30,773 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:18:30,773 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:18:30,773 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:30,773 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:18:30,773 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:18:30,773 INFO L133 ssoRankerPreferences]: Filename of dumped script: max10-1.i_Iteration1_Lasso [2021-08-31 05:18:30,773 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:18:30,773 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:18:30,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:18:30,792 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 05:18:30,796 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 05:18:30,799 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 05:18:30,802 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 05:18:30,804 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 05:18:30,805 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 05:18:30,807 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 05:18:30,810 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 05:18:30,813 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 05:18:30,815 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 05:18:30,818 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 05:18:30,820 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 05:18:30,821 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 05:18:30,823 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 05:18:30,825 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 05:18:30,826 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 05:18:30,944 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 05:18:30,946 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 05:18:31,144 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:18:31,147 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:18:31,148 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,149 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 05:18:31,151 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 05:18:31,153 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 05:18:31,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:31,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:31,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:31,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:31,195 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 05:18:31,196 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,209 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 05:18:31,212 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 05:18:31,214 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 05:18:31,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:31,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:31,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:31,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:31,255 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 05:18:31,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,257 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 05:18:31,270 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 05:18:31,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,277 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 05:18:31,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:31,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:31,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:31,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:31,317 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:31,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,319 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 05:18:31,331 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 05:18:31,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:18:31,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:18:31,343 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 05:18:31,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:31,369 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 05:18:31,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,370 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 05:18:31,371 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 05:18:31,372 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 05:18:31,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:31,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:31,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:31,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:31,412 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 05:18:31,412 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,413 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 05:18:31,414 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 05:18:31,415 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 05:18:31,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:31,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,422 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:31,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:31,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:31,454 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 05:18:31,454 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,456 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 05:18:31,457 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 05:18:31,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:18:31,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:31,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:31,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:31,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:31,492 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 05:18:31,492 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,493 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 05:18:31,494 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 05:18:31,495 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 05:18:31,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:18:31,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:18:31,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:31,534 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 05:18:31,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,535 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 05:18:31,536 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 05:18:31,537 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 05:18:31,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:31,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:31,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:31,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:31,567 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 05:18:31,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,569 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 05:18:31,569 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 05:18:31,571 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 05:18:31,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:18:31,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:18:31,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:31,620 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 05:18:31,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,623 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 05:18:31,624 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 05:18:31,625 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 05:18:31,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:31,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:31,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:31,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:31,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-08-31 05:18:31,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,660 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 05:18:31,661 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 05:18:31,662 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 05:18:31,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:31,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:31,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:31,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:31,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-08-31 05:18:31,690 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,692 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 05:18:31,693 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 05:18:31,694 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 05:18:31,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:31,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:31,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:31,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:31,747 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 05:18:31,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,748 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 05:18:31,777 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 05:18:31,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:31,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:31,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:31,787 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 05:18:31,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:31,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-08-31 05:18:31,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,813 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 05:18:31,814 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 05:18:31,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:31,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:31,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:31,824 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 05:18:31,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:31,848 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 05:18:31,848 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,849 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 05:18:31,850 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 05:18:31,851 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 05:18:31,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:31,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:31,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:31,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:31,876 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 05:18:31,877 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,877 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 05:18:31,878 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 05:18:31,879 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 05:18:31,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:18:31,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:18:31,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:31,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-08-31 05:18:31,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,932 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 05:18:31,933 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 05:18:31,934 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 05:18:31,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:31,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:31,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:31,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:31,958 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 05:18:31,958 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:31,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:31,959 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 05:18:31,963 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 05:18:31,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:18:31,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:31,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:31,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:31,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:31,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:18:31,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:18:31,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:32,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-08-31 05:18:32,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:32,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:32,004 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 05:18:32,010 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 05:18:32,010 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 05:18:32,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:32,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:32,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:32,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:32,018 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:18:32,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:18:32,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:32,044 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-08-31 05:18:32,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:32,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:32,046 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 05:18:32,047 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 05:18:32,048 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 05:18:32,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:32,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:32,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:32,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:32,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:18:32,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:18:32,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:32,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:32,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:32,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:32,099 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 05:18:32,100 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 05:18:32,101 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 05:18:32,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:32,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:32,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:32,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:32,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:18:32,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:18:32,126 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:18:32,141 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-08-31 05:18:32,142 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-08-31 05:18:32,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:32,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:32,144 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 05:18:32,173 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:18:32,181 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 05:18:32,191 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 05:18:32,191 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:18:32,191 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1, v_rep(select #length ULTIMATE.start_main_~#x~0.base)_1) = -8*ULTIMATE.start_main_~i~1 + 19*v_rep(select #length ULTIMATE.start_main_~#x~0.base)_1 Supporting invariants [] [2021-08-31 05:18:32,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:32,222 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-08-31 05:18:32,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:18:32,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 05:18:32,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:18:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:18:32,259 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-31 05:18:32,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:18:32,283 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 05:18:32,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-08-31 05:18:32,340 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 05:18:32,341 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:18:32,433 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 31 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 84 states and 119 transitions. Complement of second has 8 states. [2021-08-31 05:18:32,434 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 05:18:32,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:18:32,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 79 transitions. [2021-08-31 05:18:32,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 2 letters. Loop has 2 letters. [2021-08-31 05:18:32,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:18:32,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 4 letters. Loop has 2 letters. [2021-08-31 05:18:32,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:18:32,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 79 transitions. Stem has 2 letters. Loop has 4 letters. [2021-08-31 05:18:32,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:18:32,440 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 119 transitions. [2021-08-31 05:18:32,443 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-08-31 05:18:32,444 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 25 states and 33 transitions. [2021-08-31 05:18:32,445 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-08-31 05:18:32,445 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-08-31 05:18:32,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 33 transitions. [2021-08-31 05:18:32,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:18:32,446 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-08-31 05:18:32,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 33 transitions. [2021-08-31 05:18:32,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-08-31 05:18:32,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 states have internal predecessors, (33), 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 05:18:32,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2021-08-31 05:18:32,461 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-08-31 05:18:32,461 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2021-08-31 05:18:32,461 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 05:18:32,461 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2021-08-31 05:18:32,462 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-08-31 05:18:32,462 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:18:32,462 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:18:32,462 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-08-31 05:18:32,462 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 05:18:32,462 INFO L791 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 188#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 196#L34-3 assume !(main_~i~1 < 10); 189#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 190#L20-3 [2021-08-31 05:18:32,462 INFO L793 eck$LassoCheckResult]: Loop: 190#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 203#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 204#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 205#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 190#L20-3 [2021-08-31 05:18:32,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:32,463 INFO L82 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2021-08-31 05:18:32,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:32,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943704060] [2021-08-31 05:18:32,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:32,463 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:18:32,489 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 05:18:32,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:18:32,489 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943704060] [2021-08-31 05:18:32,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943704060] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 05:18:32,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 05:18:32,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 05:18:32,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792920443] [2021-08-31 05:18:32,491 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 05:18:32,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:32,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 1 times [2021-08-31 05:18:32,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:32,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461704064] [2021-08-31 05:18:32,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:32,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:32,496 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:18:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:32,499 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:18:32,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:18:32,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 05:18:32,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 05:18:32,538 INFO L87 Difference]: Start difference. First operand 25 states and 33 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:18:32,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:18:32,578 INFO L93 Difference]: Finished difference Result 26 states and 33 transitions. [2021-08-31 05:18:32,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 05:18:32,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 33 transitions. [2021-08-31 05:18:32,579 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-08-31 05:18:32,579 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 33 transitions. [2021-08-31 05:18:32,579 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-08-31 05:18:32,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-08-31 05:18:32,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 33 transitions. [2021-08-31 05:18:32,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:18:32,580 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-08-31 05:18:32,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 33 transitions. [2021-08-31 05:18:32,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-08-31 05:18:32,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.28) internal successors, (32), 24 states have internal predecessors, (32), 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 05:18:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-08-31 05:18:32,581 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-08-31 05:18:32,581 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-08-31 05:18:32,581 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 05:18:32,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2021-08-31 05:18:32,582 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-08-31 05:18:32,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:18:32,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:18:32,582 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 05:18:32,582 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 05:18:32,582 INFO L791 eck$LassoCheckResult]: Stem: 242#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 243#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 253#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 256#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 257#L34-3 assume !(main_~i~1 < 10); 246#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 247#L20-3 [2021-08-31 05:18:32,582 INFO L793 eck$LassoCheckResult]: Loop: 247#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 260#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 261#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 262#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 247#L20-3 [2021-08-31 05:18:32,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:32,582 INFO L82 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2021-08-31 05:18:32,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:32,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735389004] [2021-08-31 05:18:32,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:32,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:18:32,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:18:32,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:18:32,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735389004] [2021-08-31 05:18:32,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735389004] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-31 05:18:32,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671666688] [2021-08-31 05:18:32,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:32,602 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 05:18:32,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:32,603 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 05:18:32,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-08-31 05:18:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:18:32,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-31 05:18:32,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:18:32,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:18:32,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 05:18:32,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:18:32,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671666688] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 05:18:32,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-31 05:18:32,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-08-31 05:18:32,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168694662] [2021-08-31 05:18:32,680 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 05:18:32,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:32,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 2 times [2021-08-31 05:18:32,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:32,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419047358] [2021-08-31 05:18:32,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:32,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:32,684 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:18:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:32,687 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:18:32,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:18:32,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-31 05:18:32,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-31 05:18:32,738 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:18:32,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:18:32,802 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2021-08-31 05:18:32,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 05:18:32,803 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2021-08-31 05:18:32,803 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-08-31 05:18:32,804 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 38 transitions. [2021-08-31 05:18:32,804 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-08-31 05:18:32,804 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-08-31 05:18:32,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2021-08-31 05:18:32,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:18:32,804 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-08-31 05:18:32,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2021-08-31 05:18:32,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-08-31 05:18:32,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 30 states have internal predecessors, (38), 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 05:18:32,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2021-08-31 05:18:32,806 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-08-31 05:18:32,806 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-08-31 05:18:32,806 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 05:18:32,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2021-08-31 05:18:32,807 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-08-31 05:18:32,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:18:32,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:18:32,807 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2021-08-31 05:18:32,807 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 05:18:32,807 INFO L791 eck$LassoCheckResult]: Stem: 340#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 341#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 349#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 352#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 353#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 361#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 366#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 365#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 364#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 363#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 362#L34-3 assume !(main_~i~1 < 10); 342#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 343#L20-3 [2021-08-31 05:18:32,807 INFO L793 eck$LassoCheckResult]: Loop: 343#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 357#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 358#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 356#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 343#L20-3 [2021-08-31 05:18:32,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:32,808 INFO L82 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2021-08-31 05:18:32,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:32,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42831020] [2021-08-31 05:18:32,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:32,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:18:32,845 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:18:32,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:18:32,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42831020] [2021-08-31 05:18:32,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42831020] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-31 05:18:32,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101306296] [2021-08-31 05:18:32,845 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-31 05:18:32,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 05:18:32,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:32,846 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 05:18:32,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-08-31 05:18:32,879 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-31 05:18:32,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-31 05:18:32,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-31 05:18:32,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:18:32,918 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:18:32,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 05:18:32,985 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:18:32,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101306296] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 05:18:32,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-31 05:18:32,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-08-31 05:18:32,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827587240] [2021-08-31 05:18:32,985 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 05:18:32,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:32,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 3 times [2021-08-31 05:18:32,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:32,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243261427] [2021-08-31 05:18:32,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:32,986 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:32,989 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:18:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:32,992 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:18:33,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:18:33,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-31 05:18:33,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-08-31 05:18:33,031 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. cyclomatic complexity: 12 Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 states have internal predecessors, (25), 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 05:18:33,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:18:33,119 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2021-08-31 05:18:33,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-31 05:18:33,120 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 50 transitions. [2021-08-31 05:18:33,120 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-08-31 05:18:33,120 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 43 states and 50 transitions. [2021-08-31 05:18:33,121 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-08-31 05:18:33,121 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-08-31 05:18:33,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 50 transitions. [2021-08-31 05:18:33,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:18:33,121 INFO L681 BuchiCegarLoop]: Abstraction has 43 states and 50 transitions. [2021-08-31 05:18:33,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 50 transitions. [2021-08-31 05:18:33,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-08-31 05:18:33,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 42 states have internal predecessors, (50), 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 05:18:33,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2021-08-31 05:18:33,123 INFO L704 BuchiCegarLoop]: Abstraction has 43 states and 50 transitions. [2021-08-31 05:18:33,123 INFO L587 BuchiCegarLoop]: Abstraction has 43 states and 50 transitions. [2021-08-31 05:18:33,123 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-31 05:18:33,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 50 transitions. [2021-08-31 05:18:33,123 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-08-31 05:18:33,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:18:33,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:18:33,124 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1] [2021-08-31 05:18:33,124 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 05:18:33,124 INFO L791 eck$LassoCheckResult]: Stem: 494#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 495#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 505#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 517#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 518#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 508#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 509#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 534#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 533#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 532#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 531#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 530#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 529#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 528#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 527#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 526#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 525#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 524#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 523#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 522#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 521#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 520#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 519#L34-3 assume !(main_~i~1 < 10); 498#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 499#L20-3 [2021-08-31 05:18:33,124 INFO L793 eck$LassoCheckResult]: Loop: 499#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 512#L21 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 513#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 514#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 499#L20-3 [2021-08-31 05:18:33,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:33,124 INFO L82 PathProgramCache]: Analyzing trace with hash 2127272351, now seen corresponding path program 3 times [2021-08-31 05:18:33,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:33,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572270219] [2021-08-31 05:18:33,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:33,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:33,137 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:18:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:33,164 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:18:33,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:33,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1665446, now seen corresponding path program 4 times [2021-08-31 05:18:33,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:33,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705393502] [2021-08-31 05:18:33,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:33,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:33,168 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:18:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:33,170 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:18:33,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:33,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1776090044, now seen corresponding path program 1 times [2021-08-31 05:18:33,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:33,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622257034] [2021-08-31 05:18:33,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:33,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:33,193 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:18:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:33,209 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:18:37,598 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:18:37,598 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:18:37,598 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:18:37,598 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:18:37,598 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:18:37,598 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:37,598 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:18:37,598 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:18:37,598 INFO L133 ssoRankerPreferences]: Filename of dumped script: max10-1.i_Iteration5_Lasso [2021-08-31 05:18:37,598 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:18:37,598 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:18:37,601 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 05:18:37,604 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 05:18:37,606 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 05:18:37,607 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 05:18:37,608 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 05:18:37,609 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 05:18:37,611 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 05:18:37,612 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 05:18:37,613 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 05:18:37,615 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 05:18:37,616 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 05:18:37,617 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 05:18:37,618 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 05:18:37,619 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 05:18:37,620 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 05:18:37,622 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 05:18:37,623 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 05:18:37,624 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 05:18:37,625 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 05:18:37,626 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 05:18:37,628 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 05:18:37,629 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 05:18:37,630 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 05:18:37,631 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 05:18:37,850 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 05:18:38,050 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:18:38,050 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:18:38,050 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,051 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 05:18:38,052 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 05:18:38,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:18:38,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,092 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 05:18:38,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,093 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 05:18:38,094 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 05:18:38,095 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 05:18:38,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:38,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,135 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 05:18:38,135 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 05:18:38,136 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 05:18:38,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,143 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,170 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 05:18:38,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,171 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-08-31 05:18:38,173 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 05:18:38,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:38,212 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,213 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-08-31 05:18:38,215 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 05:18:38,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:18:38,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:18:38,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:38,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,256 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-08-31 05:18:38,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:18:38,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:38,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,328 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,349 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 05:18:38,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,357 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-08-31 05:18:38,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:38,389 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,390 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-08-31 05:18:38,393 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 05:18:38,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:18:38,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:18:38,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:38,447 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,448 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-08-31 05:18:38,450 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 05:18:38,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:18:38,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:18:38,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:38,478 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,479 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-08-31 05:18:38,481 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 05:18:38,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:38,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,507 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-08-31 05:18:38,509 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 05:18:38,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-08-31 05:18:38,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,547 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-08-31 05:18:38,549 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 05:18:38,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:38,574 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,575 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-08-31 05:18:38,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:18:38,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,641 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-08-31 05:18:38,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,642 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-08-31 05:18:38,646 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 05:18:38,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,653 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,653 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:38,669 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,670 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-08-31 05:18:38,672 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 05:18:38,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:38,695 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,696 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-08-31 05:18:38,698 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 05:18:38,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,721 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-08-31 05:18:38,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,722 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-08-31 05:18:38,724 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 05:18:38,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,737 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-08-31 05:18:38,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,754 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-08-31 05:18:38,756 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 05:18:38,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:38,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,815 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-08-31 05:18:38,817 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 05:18:38,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:38,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,842 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-08-31 05:18:38,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:18:38,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:38,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,883 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-08-31 05:18:38,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:18:38,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:38,922 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,922 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-08-31 05:18:38,924 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 05:18:38,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:38,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:38,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:38,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:38,963 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:38,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-08-31 05:18:38,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:18:38,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:38,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:18:38,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:38,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:38,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:38,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:18:38,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:18:38,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:39,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:39,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:39,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:39,002 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:39,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-08-31 05:18:39,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:18:39,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:39,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:39,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:39,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:39,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:18:39,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:18:39,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:18:39,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:39,044 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:39,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:39,045 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:39,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-08-31 05:18:39,047 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 05:18:39,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:18:39,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:18:39,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:18:39,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:18:39,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:18:39,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:18:39,078 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:18:39,098 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-08-31 05:18:39,098 INFO L444 ModelExtractionUtils]: 12 out of 28 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-08-31 05:18:39,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:18:39,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:39,100 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:18:39,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-08-31 05:18:39,101 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:18:39,120 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 05:18:39,120 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:18:39,120 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_max_~i~0) = -2*ULTIMATE.start_max_~i~0 + 19 Supporting invariants [] [2021-08-31 05:18:39,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:39,153 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-08-31 05:18:39,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:18:39,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 05:18:39,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:18:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:18:39,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-31 05:18:39,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:18:39,245 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 05:18:39,245 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 05:18:39,246 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 50 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:18:39,265 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 50 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 60 transitions. Complement of second has 7 states. [2021-08-31 05:18:39,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-08-31 05:18:39,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:18:39,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2021-08-31 05:18:39,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 24 letters. Loop has 4 letters. [2021-08-31 05:18:39,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:18:39,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 28 letters. Loop has 4 letters. [2021-08-31 05:18:39,267 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:18:39,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 24 letters. Loop has 8 letters. [2021-08-31 05:18:39,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:18:39,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2021-08-31 05:18:39,269 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-08-31 05:18:39,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 44 states and 52 transitions. [2021-08-31 05:18:39,269 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-08-31 05:18:39,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-08-31 05:18:39,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 52 transitions. [2021-08-31 05:18:39,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:18:39,270 INFO L681 BuchiCegarLoop]: Abstraction has 44 states and 52 transitions. [2021-08-31 05:18:39,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 52 transitions. [2021-08-31 05:18:39,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-08-31 05:18:39,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 43 states have internal predecessors, (52), 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 05:18:39,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions. [2021-08-31 05:18:39,272 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 52 transitions. [2021-08-31 05:18:39,272 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 52 transitions. [2021-08-31 05:18:39,272 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-31 05:18:39,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 52 transitions. [2021-08-31 05:18:39,272 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-08-31 05:18:39,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:18:39,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:18:39,273 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:18:39,273 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 05:18:39,273 INFO L791 eck$LassoCheckResult]: Stem: 740#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 741#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 749#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 762#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 763#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 752#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 753#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 779#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 778#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 777#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 776#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 775#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 774#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 773#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 772#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 771#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 770#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 769#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 768#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 767#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 766#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 765#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 764#L34-3 assume !(main_~i~1 < 10); 742#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 743#L20-3 assume !(max_~i~0 < 10); 750#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 751#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 748#L20-8 [2021-08-31 05:18:39,274 INFO L793 eck$LassoCheckResult]: Loop: 748#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 736#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 737#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 754#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 748#L20-8 [2021-08-31 05:18:39,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:39,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1328178489, now seen corresponding path program 1 times [2021-08-31 05:18:39,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:39,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768946654] [2021-08-31 05:18:39,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:39,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:18:39,297 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-31 05:18:39,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:18:39,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768946654] [2021-08-31 05:18:39,297 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768946654] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 05:18:39,297 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 05:18:39,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 05:18:39,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237629418] [2021-08-31 05:18:39,298 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 05:18:39,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:39,298 INFO L82 PathProgramCache]: Analyzing trace with hash 2373478, now seen corresponding path program 1 times [2021-08-31 05:18:39,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:39,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162099344] [2021-08-31 05:18:39,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:39,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:39,305 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:18:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:39,307 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:18:39,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:18:39,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 05:18:39,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 05:18:39,341 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:18:39,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:18:39,384 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions. [2021-08-31 05:18:39,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 05:18:39,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 65 transitions. [2021-08-31 05:18:39,386 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-08-31 05:18:39,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 55 states and 65 transitions. [2021-08-31 05:18:39,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-08-31 05:18:39,386 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-08-31 05:18:39,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 65 transitions. [2021-08-31 05:18:39,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:18:39,387 INFO L681 BuchiCegarLoop]: Abstraction has 55 states and 65 transitions. [2021-08-31 05:18:39,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 65 transitions. [2021-08-31 05:18:39,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 45. [2021-08-31 05:18:39,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 44 states have internal predecessors, (52), 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 05:18:39,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2021-08-31 05:18:39,389 INFO L704 BuchiCegarLoop]: Abstraction has 45 states and 52 transitions. [2021-08-31 05:18:39,389 INFO L587 BuchiCegarLoop]: Abstraction has 45 states and 52 transitions. [2021-08-31 05:18:39,389 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-08-31 05:18:39,389 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 52 transitions. [2021-08-31 05:18:39,389 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-08-31 05:18:39,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:18:39,389 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:18:39,390 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:18:39,390 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 05:18:39,390 INFO L791 eck$LassoCheckResult]: Stem: 843#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 844#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 854#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 857#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 858#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 868#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 885#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 884#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 883#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 882#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 881#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 880#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 879#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 878#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 877#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 876#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 875#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 874#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 873#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 872#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 871#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 870#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 869#L34-3 assume !(main_~i~1 < 10); 847#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 848#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 861#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 863#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 864#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 862#L20-3 assume !(max_~i~0 < 10); 855#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 856#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 853#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 841#L21-3 [2021-08-31 05:18:39,390 INFO L793 eck$LassoCheckResult]: Loop: 841#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 842#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 859#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 867#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 841#L21-3 [2021-08-31 05:18:39,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:39,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1922451645, now seen corresponding path program 1 times [2021-08-31 05:18:39,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:39,391 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436873123] [2021-08-31 05:18:39,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:39,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:18:39,413 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-31 05:18:39,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:18:39,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436873123] [2021-08-31 05:18:39,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436873123] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-31 05:18:39,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806843892] [2021-08-31 05:18:39,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:39,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 05:18:39,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:39,415 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 05:18:39,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2021-08-31 05:18:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:18:39,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-31 05:18:39,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:18:39,507 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-31 05:18:39,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 05:18:39,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-08-31 05:18:39,587 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-08-31 05:18:39,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806843892] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 05:18:39,588 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-31 05:18:39,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-08-31 05:18:39,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912192944] [2021-08-31 05:18:39,588 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 05:18:39,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:39,588 INFO L82 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 2 times [2021-08-31 05:18:39,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:39,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948027201] [2021-08-31 05:18:39,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:39,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:39,591 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:18:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:39,593 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:18:39,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:18:39,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-31 05:18:39,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-31 05:18:39,661 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 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 05:18:39,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:18:39,786 INFO L93 Difference]: Finished difference Result 82 states and 98 transitions. [2021-08-31 05:18:39,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 05:18:39,788 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 98 transitions. [2021-08-31 05:18:39,789 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-08-31 05:18:39,789 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 82 states and 98 transitions. [2021-08-31 05:18:39,790 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2021-08-31 05:18:39,790 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2021-08-31 05:18:39,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 82 states and 98 transitions. [2021-08-31 05:18:39,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:18:39,791 INFO L681 BuchiCegarLoop]: Abstraction has 82 states and 98 transitions. [2021-08-31 05:18:39,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states and 98 transitions. [2021-08-31 05:18:39,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 69. [2021-08-31 05:18:39,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.1884057971014492) internal successors, (82), 68 states have internal predecessors, (82), 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 05:18:39,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 82 transitions. [2021-08-31 05:18:39,802 INFO L704 BuchiCegarLoop]: Abstraction has 69 states and 82 transitions. [2021-08-31 05:18:39,802 INFO L587 BuchiCegarLoop]: Abstraction has 69 states and 82 transitions. [2021-08-31 05:18:39,802 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-08-31 05:18:39,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 82 transitions. [2021-08-31 05:18:39,804 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-08-31 05:18:39,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:18:39,804 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:18:39,807 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:18:39,807 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 05:18:39,807 INFO L791 eck$LassoCheckResult]: Stem: 1166#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 1167#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1178#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1195#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1196#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1181#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1182#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1222#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1221#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1220#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1218#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1216#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1214#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1212#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1210#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1208#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1207#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1205#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1203#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1200#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1199#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1198#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1197#L34-3 assume !(main_~i~1 < 10); 1170#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1171#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1185#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1190#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1189#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1186#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1187#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1188#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1219#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1217#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1215#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1213#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1211#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1209#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1202#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1206#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1204#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1201#L20-3 assume !(max_~i~0 < 10); 1179#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 1180#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1176#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1177#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1232#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1193#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1194#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1164#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1165#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1183#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1231#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1230#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1229#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1228#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1227#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1224#L21-3 [2021-08-31 05:18:39,807 INFO L793 eck$LassoCheckResult]: Loop: 1224#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 1226#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1225#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1223#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1224#L21-3 [2021-08-31 05:18:39,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:39,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1948283363, now seen corresponding path program 1 times [2021-08-31 05:18:39,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:39,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069247061] [2021-08-31 05:18:39,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:39,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:18:39,887 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-08-31 05:18:39,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:18:39,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069247061] [2021-08-31 05:18:39,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069247061] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-31 05:18:39,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444394944] [2021-08-31 05:18:39,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:39,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 05:18:39,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:39,889 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 05:18:39,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2021-08-31 05:18:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:18:39,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-31 05:18:39,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:18:40,033 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-08-31 05:18:40,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-31 05:18:40,161 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-08-31 05:18:40,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444394944] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-31 05:18:40,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-31 05:18:40,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-08-31 05:18:40,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566339464] [2021-08-31 05:18:40,162 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-31 05:18:40,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:40,162 INFO L82 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 3 times [2021-08-31 05:18:40,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:40,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144383900] [2021-08-31 05:18:40,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:40,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:40,166 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:18:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:40,168 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:18:40,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:18:40,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-31 05:18:40,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2021-08-31 05:18:40,232 INFO L87 Difference]: Start difference. First operand 69 states and 82 transitions. cyclomatic complexity: 18 Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 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 05:18:40,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:18:40,416 INFO L93 Difference]: Finished difference Result 154 states and 188 transitions. [2021-08-31 05:18:40,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-31 05:18:40,416 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 188 transitions. [2021-08-31 05:18:40,417 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-08-31 05:18:40,418 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 154 states and 188 transitions. [2021-08-31 05:18:40,418 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 94 [2021-08-31 05:18:40,418 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 94 [2021-08-31 05:18:40,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 154 states and 188 transitions. [2021-08-31 05:18:40,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:18:40,419 INFO L681 BuchiCegarLoop]: Abstraction has 154 states and 188 transitions. [2021-08-31 05:18:40,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states and 188 transitions. [2021-08-31 05:18:40,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 117. [2021-08-31 05:18:40,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 117 states have (on average 1.2136752136752136) internal successors, (142), 116 states have internal predecessors, (142), 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 05:18:40,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 142 transitions. [2021-08-31 05:18:40,421 INFO L704 BuchiCegarLoop]: Abstraction has 117 states and 142 transitions. [2021-08-31 05:18:40,421 INFO L587 BuchiCegarLoop]: Abstraction has 117 states and 142 transitions. [2021-08-31 05:18:40,421 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-08-31 05:18:40,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 117 states and 142 transitions. [2021-08-31 05:18:40,422 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-08-31 05:18:40,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:18:40,422 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:18:40,423 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:18:40,423 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 05:18:40,423 INFO L791 eck$LassoCheckResult]: Stem: 1735#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 1736#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 1747#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1765#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1766#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1750#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1751#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1794#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1792#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1790#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1788#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1786#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1784#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1782#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1780#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1778#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1777#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1775#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1773#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1770#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1769#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 1768#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 1767#L34-3 assume !(main_~i~1 < 10); 1739#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1740#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1754#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1757#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1837#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1755#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1756#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1760#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1758#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1759#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1830#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1828#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1826#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1824#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1822#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1820#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1818#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1816#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1814#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1812#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1810#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1808#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1806#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1805#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1803#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1801#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1798#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1797#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1796#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1795#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1793#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1791#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1789#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1787#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1785#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1783#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1781#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1779#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1772#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1776#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1774#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1771#L20-3 assume !(max_~i~0 < 10); 1748#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 1749#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1745#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1746#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1849#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1763#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1764#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1733#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1734#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1752#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1848#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1847#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1846#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1845#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1844#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1843#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1842#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1841#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1840#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1839#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1838#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1836#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1835#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1834#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1833#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1832#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1831#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1829#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1827#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1825#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1823#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1821#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1819#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1817#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1815#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1813#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1811#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1809#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1807#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1800#L21-3 [2021-08-31 05:18:40,424 INFO L793 eck$LassoCheckResult]: Loop: 1800#L21-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 1804#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1802#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1799#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1800#L21-3 [2021-08-31 05:18:40,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:40,424 INFO L82 PathProgramCache]: Analyzing trace with hash 2012806109, now seen corresponding path program 2 times [2021-08-31 05:18:40,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:40,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748441395] [2021-08-31 05:18:40,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:40,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:40,505 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:18:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:40,594 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:18:40,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:40,595 INFO L82 PathProgramCache]: Analyzing trace with hash 2466748, now seen corresponding path program 4 times [2021-08-31 05:18:40,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:40,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116614152] [2021-08-31 05:18:40,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:40,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:40,597 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:18:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:40,604 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:18:40,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:40,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1723510376, now seen corresponding path program 1 times [2021-08-31 05:18:40,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:40,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86998281] [2021-08-31 05:18:40,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:40,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:18:40,777 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 153 proven. 37 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-08-31 05:18:40,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 05:18:40,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86998281] [2021-08-31 05:18:40,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86998281] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-31 05:18:40,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324554066] [2021-08-31 05:18:40,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:40,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-31 05:18:40,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:18:40,793 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-31 05:18:40,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2021-08-31 05:18:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:18:40,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 12 conjunts are in the unsatisfiable core [2021-08-31 05:18:40,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:18:41,032 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-08-31 05:18:41,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-31 05:18:41,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324554066] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 05:18:41,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-31 05:18:41,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 13 [2021-08-31 05:18:41,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917961141] [2021-08-31 05:18:41,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 05:18:41,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-31 05:18:41,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2021-08-31 05:18:41,085 INFO L87 Difference]: Start difference. First operand 117 states and 142 transitions. cyclomatic complexity: 30 Second operand has 13 states, 12 states have (on average 4.5) internal successors, (54), 13 states have internal predecessors, (54), 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 05:18:41,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 05:18:41,351 INFO L93 Difference]: Finished difference Result 154 states and 185 transitions. [2021-08-31 05:18:41,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-31 05:18:41,352 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 185 transitions. [2021-08-31 05:18:41,353 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 05:18:41,353 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 112 states and 133 transitions. [2021-08-31 05:18:41,353 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2021-08-31 05:18:41,353 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2021-08-31 05:18:41,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 112 states and 133 transitions. [2021-08-31 05:18:41,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:18:41,354 INFO L681 BuchiCegarLoop]: Abstraction has 112 states and 133 transitions. [2021-08-31 05:18:41,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states and 133 transitions. [2021-08-31 05:18:41,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2021-08-31 05:18:41,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 112 states have (on average 1.1875) internal successors, (133), 111 states have internal predecessors, (133), 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 05:18:41,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 133 transitions. [2021-08-31 05:18:41,361 INFO L704 BuchiCegarLoop]: Abstraction has 112 states and 133 transitions. [2021-08-31 05:18:41,361 INFO L587 BuchiCegarLoop]: Abstraction has 112 states and 133 transitions. [2021-08-31 05:18:41,361 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-08-31 05:18:41,361 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states and 133 transitions. [2021-08-31 05:18:41,361 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-08-31 05:18:41,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 05:18:41,362 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 05:18:41,362 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 05:18:41,362 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-08-31 05:18:41,363 INFO L791 eck$LassoCheckResult]: Stem: 2346#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10); 2347#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~post7, main_~i~1, main_#t~ret9, main_#t~mem10, main_#t~mem11, main_#t~ret12, main_#t~mem13, main_#t~mem15, main_#t~post14, main_~i~2, main_#t~ret16, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(40);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;main_~i~1 := 0; 2355#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2358#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2359#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2368#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2400#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2398#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2396#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2394#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2392#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2390#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2388#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2386#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2384#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2382#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2380#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2378#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2376#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2374#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2372#L34-3 assume !!(main_~i~1 < 10);call write~int(main_#t~nondet8, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet8; 2370#L34-2 main_#t~post7 := main_~i~1;main_~i~1 := 1 + main_#t~post7;havoc main_#t~post7; 2369#L34-3 assume !(main_~i~1 < 10); 2350#L34-4 max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 2351#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2361#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2435#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2364#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2365#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2362#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2363#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2366#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2432#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2430#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2428#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2426#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2424#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2422#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2420#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2418#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2416#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2414#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2412#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2410#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2408#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2406#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2404#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2403#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2402#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2401#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2399#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2397#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2395#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2393#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2391#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2389#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2387#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2385#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2383#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2381#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2379#L20-3 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2377#L21 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2375#L21-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2373#L20-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2371#L20-3 assume !(max_~i~0 < 10); 2356#L20-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 2357#L23 main_#t~ret9 := max_#res;main_~ret~1 := main_#t~ret9;havoc main_#t~ret9;call main_#t~mem10 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem10;havoc main_#t~mem10;call main_#t~mem11 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem11, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem11;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 2354#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2344#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2345#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2360#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2367#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2455#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2454#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2453#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2452#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2451#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2450#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2449#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2448#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2447#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2446#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2445#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2444#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2443#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2442#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2441#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2440#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2439#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2438#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2437#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2436#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2434#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2433#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2431#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2429#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2427#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2425#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2423#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2421#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2419#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2417#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2415#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2413#L20-8 assume !!(max_~i~0 < 10);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2411#L21-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2409#L21-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2407#L20-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2405#L20-8 assume !(max_~i~0 < 10); 2348#L20-9 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 2349#L23-1 main_#t~ret12 := max_#res;main_~ret2~0 := main_#t~ret12;havoc main_#t~ret12;call main_#t~mem13 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem13;havoc main_#t~mem13;main_~i~2 := 0; 2353#L43-3 [2021-08-31 05:18:41,363 INFO L793 eck$LassoCheckResult]: Loop: 2353#L43-3 assume !!(main_~i~2 < 9);call main_#t~mem15 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~2), 4);call write~int(main_#t~mem15, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~2, 4);havoc main_#t~mem15; 2352#L43-2 main_#t~post14 := main_~i~2;main_~i~2 := 1 + main_#t~post14;havoc main_#t~post14; 2353#L43-3 [2021-08-31 05:18:41,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:41,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1621163222, now seen corresponding path program 1 times [2021-08-31 05:18:41,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:41,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695040347] [2021-08-31 05:18:41,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:41,364 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:41,436 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:18:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:41,494 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:18:41,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:41,495 INFO L82 PathProgramCache]: Analyzing trace with hash 3203, now seen corresponding path program 1 times [2021-08-31 05:18:41,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:41,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442878430] [2021-08-31 05:18:41,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:41,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:41,497 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:18:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:41,498 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:18:41,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:18:41,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1135269864, now seen corresponding path program 1 times [2021-08-31 05:18:41,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 05:18:41,499 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043177305] [2021-08-31 05:18:41,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 05:18:41,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 05:18:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:41,543 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 05:18:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 05:18:41,585 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 05:19:07,666 WARN L210 SmtUtils]: Spent 26.04s on a formula simplification. DAG size of input: 717 DAG size of output: 505 [2021-08-31 05:19:12,371 INFO L210 LassoAnalysis]: Preferences: [2021-08-31 05:19:12,371 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-31 05:19:12,371 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-31 05:19:12,371 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-31 05:19:12,371 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-31 05:19:12,371 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:12,371 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-31 05:19:12,371 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-31 05:19:12,371 INFO L133 ssoRankerPreferences]: Filename of dumped script: max10-1.i_Iteration10_Lasso [2021-08-31 05:19:12,371 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-31 05:19:12,371 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-31 05:19:12,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:19:12,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:19:12,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:19:12,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:19:12,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:19:12,384 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 05:19:12,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:19:12,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:19:12,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:19:12,389 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 05:19:12,391 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 05:19:12,392 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 05:19:12,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:19:12,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:19:12,395 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 05:19:12,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:19:12,398 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 05:19:12,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:19:12,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:19:13,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:19:13,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-31 05:19:13,896 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-31 05:19:13,896 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-31 05:19:13,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:13,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:13,897 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:13,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-08-31 05:19:13,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:13,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:13,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:13,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:13,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:13,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:19:13,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:19:13,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:13,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:13,977 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:13,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:13,978 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,013 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 05:19:14,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-08-31 05:19:14,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:14,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:14,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:14,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,036 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:14,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,037 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-08-31 05:19:14,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:14,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:14,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:14,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-08-31 05:19:14,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,062 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-08-31 05:19:14,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:14,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:14,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:14,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,086 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-08-31 05:19:14,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,113 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-08-31 05:19:14,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:14,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:14,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:14,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-08-31 05:19:14,147 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,147 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-08-31 05:19:14,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:14,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:14,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:14,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:14,186 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,187 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-08-31 05:19:14,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:14,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:14,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:14,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,217 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-08-31 05:19:14,218 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,218 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-08-31 05:19:14,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:14,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:14,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:14,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:14,280 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,301 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-08-31 05:19:14,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:14,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:14,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:14,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:14,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,330 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-08-31 05:19:14,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:19:14,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:19:14,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-08-31 05:19:14,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,356 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-08-31 05:19:14,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:14,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:14,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:14,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:14,380 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,380 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-08-31 05:19:14,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:19:14,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:19:14,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:14,417 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,417 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-08-31 05:19:14,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:14,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:14,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:14,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:14,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,441 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-08-31 05:19:14,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:14,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:14,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:14,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:14,481 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,482 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-08-31 05:19:14,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:14,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:14,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:14,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:14,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,515 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-08-31 05:19:14,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,522 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:14,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:14,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:14,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,538 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-08-31 05:19:14,538 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,539 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-08-31 05:19:14,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,547 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:19:14,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:19:14,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-08-31 05:19:14,564 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,565 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-08-31 05:19:14,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:14,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:14,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:14,589 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:14,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,605 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-08-31 05:19:14,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:19:14,615 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:19:14,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:14,650 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,650 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-08-31 05:19:14,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,663 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:19:14,663 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:19:14,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:14,681 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,682 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-08-31 05:19:14,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:14,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:14,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:14,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-08-31 05:19:14,714 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,714 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-08-31 05:19:14,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:19:14,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:19:14,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:14,741 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,741 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-08-31 05:19:14,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-31 05:19:14,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-31 05:19:14,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-31 05:19:14,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-31 05:19:14,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:14,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,766 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-08-31 05:19:14,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-31 05:19:14,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-31 05:19:14,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-31 05:19:14,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-31 05:19:14,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-31 05:19:14,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-31 05:19:14,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-31 05:19:14,801 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-31 05:19:14,817 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-08-31 05:19:14,817 INFO L444 ModelExtractionUtils]: 5 out of 28 variables were initially zero. Simplification set additionally 20 variables to zero. [2021-08-31 05:19:14,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:19:14,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:19:14,819 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 05:19:14,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-08-31 05:19:14,820 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-31 05:19:14,841 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-31 05:19:14,841 INFO L513 LassoAnalysis]: Proved termination. [2021-08-31 05:19:14,841 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0.base)_3, ULTIMATE.start_main_~i~2) = 17*v_rep(select #length ULTIMATE.start_main_~#x~0.base)_3 - 16*ULTIMATE.start_main_~i~2 Supporting invariants [] [2021-08-31 05:19:14,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:15,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:15,077 INFO L297 tatePredicateManager]: 76 out of 76 supporting invariants were superfluous and have been removed [2021-08-31 05:19:15,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 05:19:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:19:15,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-31 05:19:15,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:19:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 05:19:15,316 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-31 05:19:15,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-31 05:19:15,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 05:19:15,331 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-08-31 05:19:15,331 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 112 states and 133 transitions. cyclomatic complexity: 23 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:19:15,354 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 112 states and 133 transitions. cyclomatic complexity: 23. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 114 states and 136 transitions. Complement of second has 4 states. [2021-08-31 05:19:15,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-31 05:19:15,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 05:19:15,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2021-08-31 05:19:15,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 110 letters. Loop has 2 letters. [2021-08-31 05:19:15,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:19:15,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 112 letters. Loop has 2 letters. [2021-08-31 05:19:15,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:19:15,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 110 letters. Loop has 4 letters. [2021-08-31 05:19:15,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-31 05:19:15,356 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 136 transitions. [2021-08-31 05:19:15,356 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 05:19:15,357 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 0 states and 0 transitions. [2021-08-31 05:19:15,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-31 05:19:15,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-31 05:19:15,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-31 05:19:15,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 05:19:15,357 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:19:15,357 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:19:15,357 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-31 05:19:15,357 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-08-31 05:19:15,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-31 05:19:15,357 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 05:19:15,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 05:19:15,359 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 05:19:15,362 INFO L158 Benchmark]: Toolchain (without parser) took 45579.39ms. Allocated memory was 65.0MB in the beginning and 104.9MB in the end (delta: 39.8MB). Free memory was 45.7MB in the beginning and 28.7MB in the end (delta: 16.9MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2021-08-31 05:19:15,362 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 05:19:15,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.28ms. Allocated memory is still 65.0MB. Free memory was 45.4MB in the beginning and 48.3MB in the end (delta: -2.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-31 05:19:15,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.21ms. Allocated memory is still 65.0MB. Free memory was 48.3MB in the beginning and 46.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 05:19:15,362 INFO L158 Benchmark]: Boogie Preprocessor took 27.56ms. Allocated memory is still 65.0MB. Free memory was 46.5MB in the beginning and 45.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 05:19:15,363 INFO L158 Benchmark]: RCFGBuilder took 172.94ms. Allocated memory is still 65.0MB. Free memory was 45.0MB in the beginning and 34.7MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-31 05:19:15,363 INFO L158 Benchmark]: BuchiAutomizer took 45194.38ms. Allocated memory was 65.0MB in the beginning and 104.9MB in the end (delta: 39.8MB). Free memory was 34.5MB in the beginning and 28.7MB in the end (delta: 5.7MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2021-08-31 05:19:15,364 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.28ms. Allocated memory is still 65.0MB. Free memory was 45.4MB in the beginning and 48.3MB in the end (delta: -2.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.21ms. Allocated memory is still 65.0MB. Free memory was 48.3MB in the beginning and 46.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.56ms. Allocated memory is still 65.0MB. Free memory was 46.5MB in the beginning and 45.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 172.94ms. Allocated memory is still 65.0MB. Free memory was 45.0MB in the beginning and 34.7MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 45194.38ms. Allocated memory was 65.0MB in the beginning and 104.9MB in the end (delta: 39.8MB). Free memory was 34.5MB in the beginning and 28.7MB in the end (delta: 5.7MB). Peak memory consumption was 46.5MB. 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 10 terminating modules (7 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 19 * unknown-#length-unknown[x] + -8 * i and consists of 5 locations. One deterministic module has affine ranking function -2 * i + 19 and consists of 4 locations. One deterministic module has affine ranking function 17 * unknown-#length-unknown[x] + -16 * i and consists of 3 locations. 7 modules have a trivial ranking function, the largest among these consists of 13 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 05:19:15,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:15,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:15,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2021-08-31 05:19:16,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2021-08-31 05:19:16,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-08-31 05:19:16,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...