./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/recHanoi02-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/recHanoi02-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer --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 47fcb479d933beca049827d7d80a7b2ad5309684 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:46:14,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:46:14,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:46:14,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:46:14,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:46:14,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:46:14,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:46:14,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:46:14,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:46:14,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:46:14,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:46:14,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:46:14,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:46:14,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:46:14,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:46:14,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:46:14,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:46:14,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:46:14,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:46:14,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:46:14,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:46:14,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:46:14,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:46:14,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:46:14,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:46:14,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:46:14,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:46:14,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:46:14,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:46:14,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:46:14,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:46:14,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:46:14,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:46:14,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:46:14,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:46:14,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:46:14,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:46:14,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:46:14,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:46:14,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:46:14,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:46:14,202 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 18:46:14,224 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:46:14,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:46:14,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:46:14,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:46:14,227 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:46:14,227 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 18:46:14,227 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 18:46:14,227 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 18:46:14,228 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 18:46:14,228 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 18:46:14,228 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 18:46:14,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:46:14,229 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:46:14,229 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:46:14,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:46:14,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:46:14,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:46:14,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 18:46:14,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 18:46:14,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 18:46:14,231 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:46:14,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:46:14,231 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 18:46:14,232 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:46:14,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 18:46:14,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:46:14,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:46:14,233 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 18:46:14,233 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:46:14,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:46:14,234 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:46:14,234 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 18:46:14,235 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 18:46:14,235 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:/tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47fcb479d933beca049827d7d80a7b2ad5309684 [2020-11-29 18:46:14,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:46:14,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:46:14,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:46:14,558 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:46:14,558 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:46:14,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/../../sv-benchmarks/c/recursive/recHanoi02-2.c [2020-11-29 18:46:14,626 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/data/f452d24f1/50388feaaff74434adb0edb2723532bd/FLAGec07240eb [2020-11-29 18:46:15,038 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:46:15,038 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/sv-benchmarks/c/recursive/recHanoi02-2.c [2020-11-29 18:46:15,044 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/data/f452d24f1/50388feaaff74434adb0edb2723532bd/FLAGec07240eb [2020-11-29 18:46:15,444 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/data/f452d24f1/50388feaaff74434adb0edb2723532bd [2020-11-29 18:46:15,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:46:15,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:46:15,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:46:15,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:46:15,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:46:15,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:46:15" (1/1) ... [2020-11-29 18:46:15,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4128537c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:15, skipping insertion in model container [2020-11-29 18:46:15,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:46:15" (1/1) ... [2020-11-29 18:46:15,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:46:15,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:46:15,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:46:15,656 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:46:15,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:46:15,681 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:46:15,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:15 WrapperNode [2020-11-29 18:46:15,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:46:15,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:46:15,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:46:15,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:46:15,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:15" (1/1) ... [2020-11-29 18:46:15,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:15" (1/1) ... [2020-11-29 18:46:15,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:46:15,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:46:15,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:46:15,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:46:15,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:15" (1/1) ... [2020-11-29 18:46:15,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:15" (1/1) ... [2020-11-29 18:46:15,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:15" (1/1) ... [2020-11-29 18:46:15,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:15" (1/1) ... [2020-11-29 18:46:15,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:15" (1/1) ... [2020-11-29 18:46:15,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:15" (1/1) ... [2020-11-29 18:46:15,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:15" (1/1) ... [2020-11-29 18:46:15,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:46:15,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:46:15,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:46:15,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:46:15,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2020-11-29 18:46:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2020-11-29 18:46:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:46:15,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:46:15,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:46:15,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:46:16,025 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:46:16,031 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-29 18:46:16,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:46:16 BoogieIcfgContainer [2020-11-29 18:46:16,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:46:16,034 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 18:46:16,034 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 18:46:16,037 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 18:46:16,038 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:46:16,038 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:46:15" (1/3) ... [2020-11-29 18:46:16,040 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41720374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:46:16, skipping insertion in model container [2020-11-29 18:46:16,040 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:46:16,040 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:46:15" (2/3) ... [2020-11-29 18:46:16,041 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41720374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:46:16, skipping insertion in model container [2020-11-29 18:46:16,041 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:46:16,041 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:46:16" (3/3) ... [2020-11-29 18:46:16,042 INFO L373 chiAutomizerObserver]: Analyzing ICFG recHanoi02-2.c [2020-11-29 18:46:16,101 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 18:46:16,102 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 18:46:16,102 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 18:46:16,102 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:46:16,102 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:46:16,102 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 18:46:16,102 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:46:16,103 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 18:46:16,115 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-11-29 18:46:16,135 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 18:46:16,135 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:46:16,135 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:46:16,140 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-29 18:46:16,140 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 18:46:16,140 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 18:46:16,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-11-29 18:46:16,142 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-29 18:46:16,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:46:16,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:46:16,143 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-29 18:46:16,143 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 18:46:16,150 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(15);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 11#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~ret9, main_~n~0, main_~result~0;main_~n~0 := main_#t~nondet8;havoc main_#t~nondet8; 9#L30true assume !(main_~n~0 < 1 || main_~n~0 > 31); 15#L33true call main_#t~ret9 := hanoi(main_~n~0);< 7#hanoiENTRYtrue [2020-11-29 18:46:16,151 INFO L796 eck$LassoCheckResult]: Loop: 7#hanoiENTRYtrue ~n := #in~n; 8#L21true assume !(1 == ~n); 5#L24true call #t~ret7 := hanoi(~n - 1);< 7#hanoiENTRYtrue [2020-11-29 18:46:16,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:16,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1171956, now seen corresponding path program 1 times [2020-11-29 18:46:16,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:16,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049875793] [2020-11-29 18:46:16,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:16,259 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:16,279 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:16,299 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:46:16,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:16,301 INFO L82 PathProgramCache]: Analyzing trace with hash 29945, now seen corresponding path program 1 times [2020-11-29 18:46:16,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:16,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384638215] [2020-11-29 18:46:16,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:16,308 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:16,312 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:16,314 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:46:16,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:16,316 INFO L82 PathProgramCache]: Analyzing trace with hash 554002982, now seen corresponding path program 1 times [2020-11-29 18:46:16,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:46:16,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279346885] [2020-11-29 18:46:16,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:46:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:16,342 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:46:16,361 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:46:16,367 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:46:16,498 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 18:46:16,499 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 18:46:16,499 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 18:46:16,499 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 18:46:16,499 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-29 18:46:16,500 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:16,500 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 18:46:16,500 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 18:46:16,500 INFO L133 ssoRankerPreferences]: Filename of dumped script: recHanoi02-2.c_Iteration1_Loop [2020-11-29 18:46:16,501 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 18:46:16,501 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 18:46:16,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:16,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:16,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:16,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:16,627 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 18:46:16,628 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:46:16,638 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 18:46:16,638 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:16,647 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 18:46:16,647 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#res=0} Honda state: {hanoi_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:16,671 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 18:46:16,671 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 18:46:16,674 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 18:46:16,674 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_~n=0} Honda state: {hanoi_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:46:16,722 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 18:46:16,722 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:16,757 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-29 18:46:16,757 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 18:46:16,776 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 18:46:16,776 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#in~n=-8} Honda state: {hanoi_#in~n=-8} Generalized eigenvectors: [{hanoi_#in~n=0}, {hanoi_#in~n=0}, {hanoi_#in~n=-1}] Lambdas: [3, 0, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:16,820 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-29 18:46:16,820 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-29 18:46:16,824 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-29 18:46:16,824 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#t~ret7=0} Honda state: {hanoi_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-11-29 18:46:17,106 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2020-11-29 18:46:17,308 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-11-29 18:46:17,406 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 18:46:17,406 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 18:46:17,406 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 18:46:17,406 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 18:46:17,406 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 18:46:17,406 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:17,406 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 18:46:17,407 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 18:46:17,407 INFO L133 ssoRankerPreferences]: Filename of dumped script: recHanoi02-2.c_Iteration1_Lasso [2020-11-29 18:46:17,407 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 18:46:17,407 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 18:46:17,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 18:46:17,944 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 18:46:17,950 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:46:17,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:17,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:17,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:17,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:17,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:17,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:17,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:17,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:17,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:17,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:17,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:17,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:17,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:17,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:18,006 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:18,010 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:46:18,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:18,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:18,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,060 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:46:18,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:18,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:18,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:18,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:18,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:18,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:18,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:18,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:18,183 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:46:18,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,229 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:18,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:18,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:46:18,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:18,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:18,289 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:46:18,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:18,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:18,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:18,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:18,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:18,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:18,350 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:18,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:18,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:18,382 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:18,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:18,422 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:18,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:18,482 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:18,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:18,526 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:46:18,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:18,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,580 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:46:18,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:18,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,627 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:46:18,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:18,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:18,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:18,716 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:18,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:18,746 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:18,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:18,788 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:46:18,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:18,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:46:18,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:18,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:46:18,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:18,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:18,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,959 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:18,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:18,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:18,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:18,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:18,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:18,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:18,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:18,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:18,989 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:19,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:19,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:19,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 18:46:19,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:19,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:19,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:19,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 18:46:19,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 18:46:19,016 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:19,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:19,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:19,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:19,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 18:46:19,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:19,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 18:46:19,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 18:46:19,064 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:46:19,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 18:46:19,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 18:46:19,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 18:46:19,102 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-29 18:46:19,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 18:46:19,110 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-11-29 18:46:19,110 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:19,125 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 18:46:19,188 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-11-29 18:46:19,188 INFO L444 ModelExtractionUtils]: 2 out of 11 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2eac63be-a632-45ce-a6ce-25f069dbcd02/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 18:46:19,192 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 18:46:19,205 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2020-11-29 18:46:19,205 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 18:46:19,206 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(hanoi_#in~n) = 1*hanoi_#in~n Supporting invariants [2*hanoi_#in~n - 1 >= 0] [2020-11-29 18:46:19,289 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2020-11-29 18:46:19,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:46:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:19,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 18:46:19,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:46:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:19,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-29 18:46:19,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 18:46:19,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:46:19,493 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-11-29 18:46:19,494 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 5 states. [2020-11-29 18:46:19,668 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 5 states. Result 35 states and 40 transitions. Complement of second has 13 states. [2020-11-29 18:46:19,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-29 18:46:19,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-29 18:46:19,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2020-11-29 18:46:19,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2020-11-29 18:46:19,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:46:19,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2020-11-29 18:46:19,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:46:19,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2020-11-29 18:46:19,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 18:46:19,674 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 40 transitions. [2020-11-29 18:46:19,678 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 18:46:19,681 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2020-11-29 18:46:19,683 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 18:46:19,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 18:46:19,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 18:46:19,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 18:46:19,684 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:46:19,684 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:46:19,684 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 18:46:19,684 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 18:46:19,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 18:46:19,684 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 18:46:19,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 18:46:19,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 06:46:19 BoogieIcfgContainer [2020-11-29 18:46:19,689 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 18:46:19,690 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:46:19,690 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:46:19,690 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:46:19,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:46:16" (3/4) ... [2020-11-29 18:46:19,693 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 18:46:19,694 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:46:19,695 INFO L168 Benchmark]: Toolchain (without parser) took 4246.83 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 81.9 MB in the beginning and 58.6 MB in the end (delta: 23.3 MB). Peak memory consumption was 45.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:19,696 INFO L168 Benchmark]: CDTParser took 1.15 ms. Allocated memory is still 79.7 MB. Free memory was 39.9 MB in the beginning and 39.9 MB in the end (delta: 32.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:46:19,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.70 ms. Allocated memory is still 113.2 MB. Free memory was 81.6 MB in the beginning and 90.3 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:19,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.46 ms. Allocated memory is still 113.2 MB. Free memory was 89.9 MB in the beginning and 88.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:46:19,697 INFO L168 Benchmark]: Boogie Preprocessor took 18.12 ms. Allocated memory is still 113.2 MB. Free memory was 88.6 MB in the beginning and 87.8 MB in the end (delta: 814.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:19,698 INFO L168 Benchmark]: RCFGBuilder took 298.92 ms. Allocated memory is still 113.2 MB. Free memory was 87.8 MB in the beginning and 76.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:19,699 INFO L168 Benchmark]: BuchiAutomizer took 3655.57 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 76.9 MB in the beginning and 58.6 MB in the end (delta: 18.3 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:19,699 INFO L168 Benchmark]: Witness Printer took 3.53 ms. Allocated memory is still 136.3 MB. Free memory is still 58.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:46:19,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15 ms. Allocated memory is still 79.7 MB. Free memory was 39.9 MB in the beginning and 39.9 MB in the end (delta: 32.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 230.70 ms. Allocated memory is still 113.2 MB. Free memory was 81.6 MB in the beginning and 90.3 MB in the end (delta: -8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.46 ms. Allocated memory is still 113.2 MB. Free memory was 89.9 MB in the beginning and 88.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.12 ms. Allocated memory is still 113.2 MB. Free memory was 88.6 MB in the beginning and 87.8 MB in the end (delta: 814.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 298.92 ms. Allocated memory is still 113.2 MB. Free memory was 87.8 MB in the beginning and 76.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3655.57 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 76.9 MB in the beginning and 58.6 MB in the end (delta: 18.3 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. * Witness Printer took 3.53 ms. Allocated memory is still 136.3 MB. Free memory is still 58.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 12 SDslu, 5 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital66 mio100 ax100 hnf99 lsp88 ukn73 mio100 lsp69 div100 bol100 ite100 ukn100 eq174 hnf95 smp100 dnf153 smp100 tf103 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 107ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...