./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_b5d909eb-cdee-4d43-b36a-125040c66413/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/recHanoi02-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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 [2020-11-28 03:05:50,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:05:50,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:05:50,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:05:50,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:05:50,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:05:50,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:05:50,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:05:50,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:05:50,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:05:50,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:05:50,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:05:50,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:05:50,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:05:50,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:05:50,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:05:50,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:05:50,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:05:50,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:05:50,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:05:50,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:05:50,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:05:50,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:05:50,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:05:50,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:05:50,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:05:50,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:05:50,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:05:50,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:05:50,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:05:50,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:05:50,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:05:50,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:05:50,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:05:50,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:05:50,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:05:50,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:05:50,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:05:50,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:05:50,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:05:50,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:05:50,143 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:05:50,178 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:05:50,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:05:50,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:05:50,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:05:50,181 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:05:50,181 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:05:50,182 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:05:50,182 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:05:50,182 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:05:50,183 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:05:50,183 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:05:50,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:05:50,184 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:05:50,184 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:05:50,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:05:50,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:05:50,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:05:50,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:05:50,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:05:50,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:05:50,191 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:05:50,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:05:50,194 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:05:50,194 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:05:50,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:05:50,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:05:50,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:05:50,197 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:05:50,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:05:50,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:05:50,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:05:50,200 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:05:50,201 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:05:50,201 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_b5d909eb-cdee-4d43-b36a-125040c66413/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47fcb479d933beca049827d7d80a7b2ad5309684 [2020-11-28 03:05:50,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:05:50,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:05:50,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:05:50,496 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:05:50,497 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:05:50,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/bin/uautomizer/../../sv-benchmarks/c/recursive/recHanoi02-2.c [2020-11-28 03:05:50,570 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/bin/uautomizer/data/b66cad301/244b035a077345f7964bc09f02f12640/FLAGec23ac27b [2020-11-28 03:05:51,045 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:05:51,046 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/sv-benchmarks/c/recursive/recHanoi02-2.c [2020-11-28 03:05:51,053 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/bin/uautomizer/data/b66cad301/244b035a077345f7964bc09f02f12640/FLAGec23ac27b [2020-11-28 03:05:51,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/bin/uautomizer/data/b66cad301/244b035a077345f7964bc09f02f12640 [2020-11-28 03:05:51,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:05:51,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:05:51,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:51,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:05:51,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:05:51,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:51" (1/1) ... [2020-11-28 03:05:51,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac44858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:51, skipping insertion in model container [2020-11-28 03:05:51,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:51" (1/1) ... [2020-11-28 03:05:51,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:05:51,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:05:51,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:51,619 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:05:51,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:51,647 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:05:51,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:51 WrapperNode [2020-11-28 03:05:51,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:51,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:51,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:05:51,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:05:51,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:51" (1/1) ... [2020-11-28 03:05:51,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:51" (1/1) ... [2020-11-28 03:05:51,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:51,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:05:51,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:05:51,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:05:51,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:51" (1/1) ... [2020-11-28 03:05:51,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:51" (1/1) ... [2020-11-28 03:05:51,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:51" (1/1) ... [2020-11-28 03:05:51,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:51" (1/1) ... [2020-11-28 03:05:51,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:51" (1/1) ... [2020-11-28 03:05:51,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:51" (1/1) ... [2020-11-28 03:05:51,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:51" (1/1) ... [2020-11-28 03:05:51,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:05:51,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:05:51,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:05:51,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:05:51,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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 [2020-11-28 03:05:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2020-11-28 03:05:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2020-11-28 03:05:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:05:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:05:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:05:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:05:52,004 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:05:52,012 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-28 03:05:52,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:52 BoogieIcfgContainer [2020-11-28 03:05:52,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:05:52,015 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:05:52,017 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:05:52,021 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:05:52,031 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:05:52,042 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:05:51" (1/3) ... [2020-11-28 03:05:52,044 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26a02ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:05:52, skipping insertion in model container [2020-11-28 03:05:52,044 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:05:52,044 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:51" (2/3) ... [2020-11-28 03:05:52,045 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26a02ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:05:52, skipping insertion in model container [2020-11-28 03:05:52,045 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:05:52,045 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:52" (3/3) ... [2020-11-28 03:05:52,046 INFO L373 chiAutomizerObserver]: Analyzing ICFG recHanoi02-2.c [2020-11-28 03:05:52,093 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:05:52,093 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:05:52,093 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:05:52,093 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:05:52,094 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:05:52,094 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:05:52,094 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:05:52,094 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:05:52,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-11-28 03:05:52,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:05:52,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:05:52,146 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:05:52,153 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:05:52,153 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:05:52,153 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:05:52,153 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-11-28 03:05:52,155 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:05:52,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:05:52,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:05:52,156 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-28 03:05:52,156 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:05:52,161 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 [2020-11-28 03:05:52,162 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 [2020-11-28 03:05:52,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:52,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1171956, now seen corresponding path program 1 times [2020-11-28 03:05:52,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:52,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872663625] [2020-11-28 03:05:52,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:52,262 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:52,282 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:52,301 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:05:52,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:52,308 INFO L82 PathProgramCache]: Analyzing trace with hash 29945, now seen corresponding path program 1 times [2020-11-28 03:05:52,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:52,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236970591] [2020-11-28 03:05:52,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:52,322 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:52,326 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:52,328 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:05:52,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:52,329 INFO L82 PathProgramCache]: Analyzing trace with hash 554002982, now seen corresponding path program 1 times [2020-11-28 03:05:52,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:52,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439457631] [2020-11-28 03:05:52,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:52,361 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:52,382 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:52,388 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:05:52,527 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:05:52,528 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:05:52,528 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:05:52,528 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:05:52,528 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:05:52,528 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:52,528 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:05:52,529 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:05:52,529 INFO L133 ssoRankerPreferences]: Filename of dumped script: recHanoi02-2.c_Iteration1_Loop [2020-11-28 03:05:52,529 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:05:52,529 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:05:52,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:52,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:52,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:52,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:52,675 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:05:52,675 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) [2020-11-28 03:05:52,686 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:05:52,686 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 [2020-11-28 03:05:52,695 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:05:52,696 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_b5d909eb-cdee-4d43-b36a-125040c66413/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) [2020-11-28 03:05:52,743 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:05:52,743 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:52,748 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:05:52,748 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_b5d909eb-cdee-4d43-b36a-125040c66413/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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:52,774 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:05:52,774 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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 [2020-11-28 03:05:52,799 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:05:52,799 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:05:52,822 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:05:52,822 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_b5d909eb-cdee-4d43-b36a-125040c66413/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) [2020-11-28 03:05:52,859 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:05:52,860 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:05:52,863 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:05:52,863 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#t~ret7=0} Honda state: {hanoi_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:53,143 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2020-11-28 03:05:53,403 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:05:53,403 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:05:53,403 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:05:53,403 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:05:53,404 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:05:53,404 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:53,404 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:05:53,404 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:05:53,404 INFO L133 ssoRankerPreferences]: Filename of dumped script: recHanoi02-2.c_Iteration1_Lasso [2020-11-28 03:05:53,404 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:05:53,404 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:05:53,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:53,972 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:05:53,977 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) [2020-11-28 03:05:53,985 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 [2020-11-28 03:05:53,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:53,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:53,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:53,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:53,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:53,990 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:05:53,991 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 [2020-11-28 03:05:53,993 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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 [2020-11-28 03:05:54,034 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 [2020-11-28 03:05:54,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:05:54,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:05:54,045 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) [2020-11-28 03:05:54,088 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 [2020-11-28 03:05:54,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:54,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,091 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:05:54,091 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 [2020-11-28 03:05:54,093 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:54,128 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 [2020-11-28 03:05:54,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:54,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,131 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:05:54,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:05:54,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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 [2020-11-28 03:05:54,178 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 [2020-11-28 03:05:54,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:54,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:05:54,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:05:54,182 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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 [2020-11-28 03:05:54,205 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 [2020-11-28 03:05:54,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:54,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:05:54,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:05:54,230 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) [2020-11-28 03:05:54,275 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 [2020-11-28 03:05:54,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:54,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:05:54,278 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 [2020-11-28 03:05:54,280 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:54,322 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 [2020-11-28 03:05:54,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:05:54,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:05:54,334 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:54,359 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 [2020-11-28 03:05:54,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:54,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:05:54,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:05:54,363 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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 [2020-11-28 03:05:54,394 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 [2020-11-28 03:05:54,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:54,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:05:54,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:05:54,400 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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 [2020-11-28 03:05:54,426 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 [2020-11-28 03:05:54,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:54,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,429 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:05:54,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:05:54,430 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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 [2020-11-28 03:05:54,455 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 [2020-11-28 03:05:54,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:05:54,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:05:54,470 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) [2020-11-28 03:05:54,523 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 [2020-11-28 03:05:54,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:05:54,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:54,534 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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 [2020-11-28 03:05:54,571 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 [2020-11-28 03:05:54,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,581 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:05:54,582 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:05:54,588 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:54,634 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 [2020-11-28 03:05:54,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:05:54,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:05:54,642 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:54,668 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 [2020-11-28 03:05:54,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:05:54,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:05:54,677 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:54,705 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 [2020-11-28 03:05:54,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:05:54,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:05:54,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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 [2020-11-28 03:05:54,741 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 [2020-11-28 03:05:54,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,745 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:05:54,745 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:05:54,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) [2020-11-28 03:05:54,805 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 [2020-11-28 03:05:54,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:05:54,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:54,816 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) [2020-11-28 03:05:54,862 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 [2020-11-28 03:05:54,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:05:54,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:54,871 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:54,901 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 [2020-11-28 03:05:54,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:05:54,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:05:54,910 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:54,934 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 [2020-11-28 03:05:54,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,938 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:05:54,938 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:05:54,944 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:54,968 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 [2020-11-28 03:05:54,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:54,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:54,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:54,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:54,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:54,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:05:54,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:05:54,974 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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 [2020-11-28 03:05:55,010 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 [2020-11-28 03:05:55,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:55,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:55,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:55,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:55,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:55,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:05:55,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:05:55,014 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) [2020-11-28 03:05:55,059 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 [2020-11-28 03:05:55,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:55,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:55,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:55,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:55,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:55,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:05:55,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:55,065 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) [2020-11-28 03:05:55,103 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 [2020-11-28 03:05:55,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:55,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:55,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:55,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:55,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:05:55,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:55,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5d909eb-cdee-4d43-b36a-125040c66413/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) [2020-11-28 03:05:55,152 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 [2020-11-28 03:05:55,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:55,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:55,154 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:05:55,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:55,162 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-11-28 03:05:55,162 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 [2020-11-28 03:05:55,177 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:05:55,250 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-11-28 03:05:55,250 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_b5d909eb-cdee-4d43-b36a-125040c66413/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) [2020-11-28 03:05:55,255 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 [2020-11-28 03:05:55,264 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2020-11-28 03:05:55,264 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:05:55,265 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] [2020-11-28 03:05:55,332 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2020-11-28 03:05:55,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:55,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:05:55,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:05:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:55,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-28 03:05:55,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:05:55,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:55,532 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 [2020-11-28 03:05:55,532 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 5 states. [2020-11-28 03:05:55,721 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. [2020-11-28 03:05:55,722 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 [2020-11-28 03:05:55,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:05:55,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2020-11-28 03:05:55,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2020-11-28 03:05:55,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:05:55,727 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2020-11-28 03:05:55,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:05:55,728 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2020-11-28 03:05:55,728 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:05:55,729 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 40 transitions. [2020-11-28 03:05:55,732 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:05:55,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2020-11-28 03:05:55,736 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:05:55,736 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:05:55,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:05:55,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:05:55,737 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:05:55,737 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:05:55,737 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:05:55,737 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:05:55,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:05:55,737 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:05:55,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:05:55,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:05:55 BoogieIcfgContainer [2020-11-28 03:05:55,743 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:05:55,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:05:55,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:05:55,744 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:05:55,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:52" (3/4) ... [2020-11-28 03:05:55,748 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:05:55,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:05:55,749 INFO L168 Benchmark]: Toolchain (without parser) took 4295.00 ms. Allocated memory was 83.9 MB in the beginning and 130.0 MB in the end (delta: 46.1 MB). Free memory was 59.4 MB in the beginning and 83.4 MB in the end (delta: -24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:55,750 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory is still 64.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:55,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.50 ms. Allocated memory is still 83.9 MB. Free memory was 59.2 MB in the beginning and 50.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:55,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.98 ms. Allocated memory is still 83.9 MB. Free memory was 49.9 MB in the beginning and 48.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:55,752 INFO L168 Benchmark]: Boogie Preprocessor took 17.33 ms. Allocated memory is still 83.9 MB. Free memory was 48.6 MB in the beginning and 47.7 MB in the end (delta: 897.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:55,752 INFO L168 Benchmark]: RCFGBuilder took 315.62 ms. Allocated memory is still 83.9 MB. Free memory was 47.6 MB in the beginning and 60.3 MB in the end (delta: -12.7 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:55,753 INFO L168 Benchmark]: BuchiAutomizer took 3728.18 ms. Allocated memory was 83.9 MB in the beginning and 130.0 MB in the end (delta: 46.1 MB). Free memory was 60.3 MB in the beginning and 83.4 MB in the end (delta: -23.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:55,754 INFO L168 Benchmark]: Witness Printer took 4.45 ms. Allocated memory is still 130.0 MB. Free memory is still 83.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:55,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory is still 64.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 192.50 ms. Allocated memory is still 83.9 MB. Free memory was 59.2 MB in the beginning and 50.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.98 ms. Allocated memory is still 83.9 MB. Free memory was 49.9 MB in the beginning and 48.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.33 ms. Allocated memory is still 83.9 MB. Free memory was 48.6 MB in the beginning and 47.7 MB in the end (delta: 897.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 315.62 ms. Allocated memory is still 83.9 MB. Free memory was 47.6 MB in the beginning and 60.3 MB in the end (delta: -12.7 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3728.18 ms. Allocated memory was 83.9 MB in the beginning and 130.0 MB in the end (delta: 46.1 MB). Free memory was 60.3 MB in the beginning and 83.4 MB in the end (delta: -23.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.45 ms. Allocated memory is still 130.0 MB. Free memory is still 83.4 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 3.6s 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: 116ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...