./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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 64bit --witnessprinter.graph.data.programhash bc157475d6c321934f68f6b441d83c0582720461 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:04:13,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:04:13,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:04:13,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:04:13,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:04:13,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:04:13,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:04:13,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:04:13,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:04:13,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:04:13,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:04:13,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:04:13,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:04:13,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:04:13,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:04:13,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:04:13,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:04:13,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:04:13,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:04:13,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:04:13,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:04:13,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:04:13,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:04:13,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:04:13,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:04:13,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:04:13,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:04:13,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:04:13,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:04:13,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:04:13,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:04:13,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:04:13,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:04:13,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:04:13,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:04:13,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:04:13,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:04:13,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:04:13,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:04:13,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:04:13,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:04:13,816 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:04:13,839 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:04:13,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:04:13,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:04:13,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:04:13,841 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:04:13,841 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:04:13,841 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:04:13,841 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:04:13,842 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:04:13,842 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:04:13,842 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:04:13,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:04:13,843 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:04:13,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:04:13,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:04:13,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:04:13,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:04:13,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:04:13,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:04:13,844 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:04:13,844 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:04:13,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:04:13,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:04:13,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:04:13,845 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:04:13,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:04:13,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:04:13,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:04:13,846 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:04:13,847 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:04:13,848 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_12069731-7642-4c83-86a5-d5472da675ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc157475d6c321934f68f6b441d83c0582720461 [2020-11-28 03:04:14,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:04:14,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:04:14,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:04:14,148 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:04:14,149 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:04:14,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2020-11-28 03:04:14,209 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/data/de755af38/20c7dea2f4cc47e4ad5747cd555d0e80/FLAG7b6f1f8e5 [2020-11-28 03:04:14,711 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:04:14,711 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2020-11-28 03:04:14,718 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/data/de755af38/20c7dea2f4cc47e4ad5747cd555d0e80/FLAG7b6f1f8e5 [2020-11-28 03:04:15,099 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/data/de755af38/20c7dea2f4cc47e4ad5747cd555d0e80 [2020-11-28 03:04:15,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:04:15,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:04:15,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:04:15,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:04:15,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:04:15,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:15" (1/1) ... [2020-11-28 03:04:15,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94e31c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:15, skipping insertion in model container [2020-11-28 03:04:15,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:15" (1/1) ... [2020-11-28 03:04:15,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:04:15,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:04:15,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:04:15,277 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:04:15,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:04:15,321 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:04:15,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:15 WrapperNode [2020-11-28 03:04:15,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:04:15,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:04:15,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:04:15,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:04:15,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:15" (1/1) ... [2020-11-28 03:04:15,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:15" (1/1) ... [2020-11-28 03:04:15,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:04:15,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:04:15,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:04:15,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:04:15,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:15" (1/1) ... [2020-11-28 03:04:15,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:15" (1/1) ... [2020-11-28 03:04:15,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:15" (1/1) ... [2020-11-28 03:04:15,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:15" (1/1) ... [2020-11-28 03:04:15,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:15" (1/1) ... [2020-11-28 03:04:15,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:15" (1/1) ... [2020-11-28 03:04:15,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:15" (1/1) ... [2020-11-28 03:04:15,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:04:15,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:04:15,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:04:15,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:04:15,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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 03:04:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:04:15,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:04:15,597 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:04:15,598 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 03:04:15,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:15 BoogieIcfgContainer [2020-11-28 03:04:15,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:04:15,600 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:04:15,600 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:04:15,604 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:04:15,604 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:04:15,605 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:04:15" (1/3) ... [2020-11-28 03:04:15,606 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77400162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:04:15, skipping insertion in model container [2020-11-28 03:04:15,606 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:04:15,606 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:15" (2/3) ... [2020-11-28 03:04:15,607 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77400162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:04:15, skipping insertion in model container [2020-11-28 03:04:15,607 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:04:15,607 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:15" (3/3) ... [2020-11-28 03:04:15,609 INFO L373 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2020-11-28 03:04:15,658 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:04:15,659 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:04:15,659 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:04:15,659 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:04:15,659 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:04:15,659 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:04:15,659 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:04:15,659 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:04:15,672 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-11-28 03:04:15,688 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:04:15,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:04:15,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:04:15,693 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-28 03:04:15,693 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:04:15,694 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:04:15,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2020-11-28 03:04:15,695 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:04:15,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:04:15,695 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:04:15,695 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-28 03:04:15,695 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:04:15,702 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 7#L23-1true [2020-11-28 03:04:15,703 INFO L796 eck$LassoCheckResult]: Loop: 7#L23-1true assume !!(main_~x~0 < 255); 9#L18true assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 5#L18-2true assume 0 != main_~debug~0;main_~x~0 := 0; 7#L23-1true [2020-11-28 03:04:15,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:15,708 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-11-28 03:04:15,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:15,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773825810] [2020-11-28 03:04:15,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:15,783 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:15,787 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:15,803 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:04:15,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:15,805 INFO L82 PathProgramCache]: Analyzing trace with hash 39823, now seen corresponding path program 1 times [2020-11-28 03:04:15,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:15,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804805976] [2020-11-28 03:04:15,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:15,836 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:15,846 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:15,848 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:04:15,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:15,850 INFO L82 PathProgramCache]: Analyzing trace with hash 963344, now seen corresponding path program 1 times [2020-11-28 03:04:15,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:15,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542998966] [2020-11-28 03:04:15,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:15,935 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 03:04:15,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542998966] [2020-11-28 03:04:15,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:04:15,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-28 03:04:15,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918418738] [2020-11-28 03:04:16,073 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:04:16,073 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:04:16,074 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:04:16,074 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:04:16,074 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:04:16,074 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:16,074 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:04:16,075 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:04:16,075 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2020-11-28 03:04:16,075 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:04:16,075 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:04:16,108 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 03:04:16,161 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 03:04:16,167 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 03:04:16,327 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:04:16,327 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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 03:04:16,335 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:04:16,335 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 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:16,367 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:04:16,367 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:04:17,159 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:04:17,161 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:04:17,161 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:04:17,161 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:04:17,161 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:04:17,162 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:04:17,162 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:17,162 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:04:17,162 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:04:17,162 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2020-11-28 03:04:17,162 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:04:17,162 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:04:17,163 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 03:04:17,195 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 03:04:17,210 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 03:04:17,330 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:04:17,335 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:17,340 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 03:04:17,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:17,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:17,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:17,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:17,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:17,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:17,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:17,359 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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) [2020-11-28 03:04:17,402 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 03:04:17,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:17,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:17,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:17,405 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:04:17,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:17,407 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:17,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:17,411 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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 03:04:17,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:17,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:17,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:17,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:17,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:17,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:17,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:17,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:17,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:17,482 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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 03:04:17,491 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 03:04:17,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:17,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:17,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:17,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:17,494 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:17,498 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:17,498 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 03:04:17,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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 03:04:17,532 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 03:04:17,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:17,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:17,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:17,534 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:04:17,534 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:17,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:17,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:17,554 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:17,578 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 03:04:17,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:17,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:17,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:17,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:17,581 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:17,582 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:17,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:17,586 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:17,607 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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 03:04:17,610 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 03:04:17,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:17,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:17,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:17,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:17,612 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:17,617 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:17,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:17,621 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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) [2020-11-28 03:04:17,682 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 03:04:17,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:17,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:17,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:17,685 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:04:17,685 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:17,688 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 03:04:17,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:17,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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) [2020-11-28 03:04:17,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:17,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:17,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:17,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:17,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:17,741 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:17,742 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:17,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:17,746 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:17,773 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:17,775 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 03:04:17,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:17,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:17,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:17,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:17,778 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:17,783 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:17,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:17,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:17,840 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 03:04:17,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:17,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:17,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:17,843 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:04:17,843 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:17,847 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-28 03:04:17,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:17,851 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:17,894 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 03:04:17,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:17,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:17,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:17,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:17,897 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:17,899 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:17,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:17,902 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:17,936 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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) [2020-11-28 03:04:17,945 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 03:04:17,947 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:17,947 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:17,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:17,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:17,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:17,948 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:17,957 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:17,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:17,968 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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) [2020-11-28 03:04:18,013 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 03:04:18,015 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:18,015 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:18,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:18,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:18,016 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:04:18,016 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:18,019 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:18,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:18,026 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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 03:04:18,049 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 03:04:18,054 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:18,054 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:18,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:18,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:18,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:18,055 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:18,060 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:18,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:18,063 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:18,094 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:18,097 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 03:04:18,099 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:18,100 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:04:18,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:18,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:18,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:18,100 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:18,112 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:18,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:18,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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 03:04:18,155 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 03:04:18,157 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:18,157 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:04:18,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:18,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:18,157 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:04:18,157 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:18,161 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 03:04:18,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:18,172 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:18,222 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 03:04:18,224 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:18,225 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:04:18,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:18,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:18,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:18,225 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:18,227 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:18,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:18,232 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:18,267 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:18,276 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 03:04:18,279 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:18,279 INFO L338 nArgumentSynthesizer]: Template has degree 3. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:18,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:18,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:18,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:18,280 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:18,287 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:18,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:18,305 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:18,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:18,352 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:18,352 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:18,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:18,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:18,353 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:04:18,353 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:18,358 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-28 03:04:18,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:18,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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) [2020-11-28 03:04:18,415 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 03:04:18,418 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:18,418 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:18,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:18,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:18,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:18,419 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:18,422 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:18,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:18,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:18,483 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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 03:04:18,491 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 03:04:18,493 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:18,493 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:18,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:18,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:18,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:18,494 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:18,502 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:18,502 INFO L402 nArgumentSynthesizer]: A total of 0 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 03:04:18,508 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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 03:04:18,554 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 03:04:18,556 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:18,557 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:18,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:18,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:18,557 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:04:18,557 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:18,560 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 03:04:18,560 INFO L402 nArgumentSynthesizer]: A total of 0 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 03:04:18,565 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:18,607 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 03:04:18,609 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:18,610 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:18,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:18,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:18,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:18,610 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:18,611 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:18,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:18,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:18,649 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:18,652 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 03:04:18,655 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:18,655 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:18,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:18,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:18,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:18,656 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:04:18,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:18,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:18,672 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:18,710 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 03:04:18,712 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:18,713 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:18,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:18,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:18,713 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 03:04:18,713 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:04:18,717 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 03:04:18,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:18,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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 03:04:18,762 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 03:04:18,764 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:18,764 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:18,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:18,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:18,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:18,765 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:04:18,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:18,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:18,774 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:18,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:04:18,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:04:18,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:04:18,839 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2020-11-28 03:04:18,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:04:18,848 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2020-11-28 03:04:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:04:18,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2020-11-28 03:04:18,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:04:18,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 5 transitions. [2020-11-28 03:04:18,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-11-28 03:04:18,856 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-11-28 03:04:18,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2020-11-28 03:04:18,857 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:04:18,857 INFO L691 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2020-11-28 03:04:18,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2020-11-28 03:04:18,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2020-11-28 03:04:18,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:04:18,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2020-11-28 03:04:18,879 INFO L714 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2020-11-28 03:04:18,880 INFO L594 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2020-11-28 03:04:18,880 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:04:18,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2020-11-28 03:04:18,880 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:04:18,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:04:18,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:04:18,881 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-28 03:04:18,881 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:04:18,881 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 [2020-11-28 03:04:18,881 INFO L796 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2020-11-28 03:04:18,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:18,882 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2020-11-28 03:04:18,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:18,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790894468] [2020-11-28 03:04:18,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:18,887 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:18,890 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:18,891 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:04:18,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:18,892 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 1 times [2020-11-28 03:04:18,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:18,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017147859] [2020-11-28 03:04:18,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:18,903 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:18,909 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:18,911 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:04:18,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:18,912 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 1 times [2020-11-28 03:04:18,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:18,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129351892] [2020-11-28 03:04:18,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:18,920 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:18,926 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:18,928 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:04:18,973 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:04:18,973 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:04:18,973 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:04:18,973 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:04:18,973 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:04:18,973 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:18,973 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:04:18,973 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:04:18,973 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2020-11-28 03:04:18,973 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:04:18,974 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:04:18,975 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 03:04:19,004 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 03:04:19,013 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 03:04:19,146 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:04:19,146 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:19,151 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:04:19,151 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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 03:04:19,195 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:04:19,195 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:19,437 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:04:19,439 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:04:19,439 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:04:19,439 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:04:19,439 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:04:19,439 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:04:19,439 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:19,439 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:04:19,439 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:04:19,439 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2020-11-28 03:04:19,439 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:04:19,440 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:04:19,441 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 03:04:19,467 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 03:04:19,481 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 03:04:19,595 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:04:19,595 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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 03:04:19,599 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 03:04:19,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:19,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:19,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:19,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:19,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:19,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:19,603 INFO L402 nArgumentSynthesizer]: A total of 0 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 03:04:19,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/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) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:19,634 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 03:04:19,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:19,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:19,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:19,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:19,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:19,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:19,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:19,639 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:19,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:04:19,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:19,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:19,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:19,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:19,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:19,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:19,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:19,668 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:19,688 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:19,691 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 03:04:19,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:19,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:19,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:19,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:19,693 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:19,695 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:19,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:19,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 37 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:19,721 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 03:04:19,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:19,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:19,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:19,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:19,723 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:19,724 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:19,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:19,726 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 38 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:19,752 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 03:04:19,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:19,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:19,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:19,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:19,754 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:19,754 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:19,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:19,756 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:19,777 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 39 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:19,779 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 03:04:19,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:19,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:19,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:19,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:19,781 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:19,787 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:19,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:19,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 40 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:19,833 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 03:04:19,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:19,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:19,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:19,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:19,835 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:19,837 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:19,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:19,856 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 41 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:19,878 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 03:04:19,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:19,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:19,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:19,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:19,880 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:19,881 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:19,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:19,889 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:19,910 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 42 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:19,914 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 03:04:19,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:19,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:19,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:19,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:19,916 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:19,920 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:19,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:19,934 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:19,972 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 03:04:19,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:19,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:19,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:19,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:19,975 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:19,977 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:19,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:19,980 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:20,018 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 03:04:20,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:20,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:20,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:20,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:20,021 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:20,022 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:20,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,025 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:20,062 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:20,065 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 03:04:20,068 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:20,068 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:20,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:20,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:20,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:20,068 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:20,071 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:20,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 46 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,117 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 03:04:20,119 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:20,119 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:20,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:20,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:20,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:20,119 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:20,120 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:20,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:20,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:20,167 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 03:04:20,169 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:20,169 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:20,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:20,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:20,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:20,170 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:20,170 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:20,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:20,208 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:20,211 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 03:04:20,214 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:20,214 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:04:20,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:20,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:20,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:20,214 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:20,218 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:20,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,228 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:20,266 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 03:04:20,269 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:20,269 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:04:20,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:20,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:20,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:20,269 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:20,271 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:20,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 50 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,298 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 03:04:20,300 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:20,300 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:04:20,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:20,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:20,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:20,301 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:20,302 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:20,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:20,304 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:20,326 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:20,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,331 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:20,331 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:20,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:20,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:20,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:20,332 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:20,337 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:20,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:20,365 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:20,403 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 03:04:20,406 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:20,406 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:20,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:20,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:20,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:20,407 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:20,409 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:20,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,415 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:20,446 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 03:04:20,449 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:20,449 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:20,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:20,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:20,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:20,449 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:20,451 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:20,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,457 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:20,478 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,481 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 03:04:20,483 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:20,483 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:20,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:20,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:20,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:20,483 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:20,487 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:20,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:20,491 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,519 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 03:04:20,521 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:20,521 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:20,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:20,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:20,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:20,522 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:20,523 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:20,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:20,534 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,559 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 03:04:20,561 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:20,561 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:20,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:20,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:20,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:20,561 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:20,562 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:20,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:20,570 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:20,590 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:20,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,595 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:20,595 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:20,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:20,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:20,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:20,595 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:04:20,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:20,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:20,612 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:20,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,650 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:20,651 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:20,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:20,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:20,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:20,651 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:04:20,653 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:20,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:20,656 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,685 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 03:04:20,687 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:20,687 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:20,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:20,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:20,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:20,687 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:04:20,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:20,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:20,692 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:20,720 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:04:20,720 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:04:20,720 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:04:20,720 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:04:20,720 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:04:20,720 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,720 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:04:20,721 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:04:20,721 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2020-11-28 03:04:20,721 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:04:20,721 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:04:20,722 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 03:04:20,727 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 03:04:20,735 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 03:04:20,739 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 03:04:20,742 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 03:04:20,840 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:04:20,840 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 60 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,849 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:04:20,849 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:04:20,854 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:04:20,854 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 61 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,877 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:04:20,877 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:04:20,880 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:04:20,880 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 62 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:04:20,905 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:04:20,919 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:04:20,919 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 63 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 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:20,948 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:04:20,948 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:04:20,955 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:04:20,955 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:20,990 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:04:20,990 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:21,038 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:04:21,038 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:21,356 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:04:21,358 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:04:21,358 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:04:21,358 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:04:21,358 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:04:21,358 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:04:21,358 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:21,358 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:04:21,359 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:04:21,359 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2020-11-28 03:04:21,359 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:04:21,359 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:04:21,360 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 03:04:21,377 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 03:04:21,383 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 03:04:21,386 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 03:04:21,389 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 03:04:21,501 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:04:21,501 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:21,531 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 03:04:21,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:21,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:21,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:21,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:21,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:21,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:21,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:21,537 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 67 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 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:21,562 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 03:04:21,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:21,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:21,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:21,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:21,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:21,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:04:21,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:21,615 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 03:04:21,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:21,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:21,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:21,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:21,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:21,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:21,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:21,642 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:21,687 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 03:04:21,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:21,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:21,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:21,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:21,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:21,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:21,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:21,694 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:21,734 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 03:04:21,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:21,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:21,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:21,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:21,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:21,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:21,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:21,741 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:21,776 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:21,779 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 03:04:21,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:21,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:21,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:21,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:21,781 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:21,782 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:21,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:21,784 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:21,824 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 03:04:21,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:21,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:21,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:21,826 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:21,829 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 03:04:21,829 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:21,835 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 73 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:21,859 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 03:04:21,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:21,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:21,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:21,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:21,861 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:21,861 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:21,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:21,863 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 74 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 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:21,889 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 03:04:21,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:21,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:21,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:21,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:21,890 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:21,891 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:21,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:21,893 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 75 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 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:21,919 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 03:04:21,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:21,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:21,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:21,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:21,920 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:21,922 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:21,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:21,928 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:21,949 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 76 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 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:21,951 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 03:04:21,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:21,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:21,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:21,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:21,953 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:21,954 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:21,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:21,955 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 77 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 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:21,979 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 03:04:21,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:21,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:21,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:21,981 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:21,985 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 03:04:21,985 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 03:04:21,995 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:22,031 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 03:04:22,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:22,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,033 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:22,034 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:22,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,036 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 79 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 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,058 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 03:04:22,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:22,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,060 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:22,060 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:22,060 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:22,063 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 80 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 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,089 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 03:04:22,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:22,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,091 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:22,093 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:22,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:22,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:22,123 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 81 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 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,126 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 03:04:22,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:22,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,128 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:22,129 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:22,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:22,133 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 82 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 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,157 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 03:04:22,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:22,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,159 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:22,163 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-28 03:04:22,163 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-28 03:04:22,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 83 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 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,196 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 03:04:22,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:22,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,198 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:22,199 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:22,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:22,200 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 84 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 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,226 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 03:04:22,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:22,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,228 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:22,228 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:22,228 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:22,230 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 85 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 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,253 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 03:04:22,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:22,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,255 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:22,258 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:22,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:22,270 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:22,291 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 86 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 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,295 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 03:04:22,296 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:22,296 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:22,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,297 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:22,297 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:22,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:22,299 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 87 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 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,322 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 03:04:22,324 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:22,324 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:22,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,324 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:22,327 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 03:04:22,327 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-28 03:04:22,343 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 88 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 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,369 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 03:04:22,370 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:22,370 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:22,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,371 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:22,371 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:22,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:22,373 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 89 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 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,397 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 03:04:22,399 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:22,399 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:22,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,399 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:22,400 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:22,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:22,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 90 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 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,426 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 03:04:22,427 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:22,428 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:22,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,428 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:22,430 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:22,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:22,435 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:22,457 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 91 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 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,459 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 03:04:22,461 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:22,461 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:04:22,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,461 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:22,462 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:22,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:22,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 92 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 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,489 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 03:04:22,491 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:22,491 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:04:22,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,491 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:22,495 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 03:04:22,495 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 03:04:22,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 93 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 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,526 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 03:04:22,528 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:22,528 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:04:22,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,528 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:22,529 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:22,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:22,532 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 94 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 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,555 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 03:04:22,557 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:22,557 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:04:22,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,558 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:22,559 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:22,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:22,562 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 95 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 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,588 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 03:04:22,591 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:22,591 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:04:22,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,591 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:22,594 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:22,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:22,602 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:22,623 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 96 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 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,625 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 03:04:22,627 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:22,627 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:22,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,627 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:22,629 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:22,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:22,642 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 97 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 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,691 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 03:04:22,694 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:22,694 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:22,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,694 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:22,700 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-28 03:04:22,700 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-28 03:04:22,712 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:22,749 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 03:04:22,752 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:22,752 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:22,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,753 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:22,754 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:22,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,759 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:22,796 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 03:04:22,799 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:22,799 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:22,800 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,800 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:22,802 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:22,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,807 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:22,844 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 03:04:22,847 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:22,847 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:22,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,848 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:22,853 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:22,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,868 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:22,900 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:22,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:04:22,905 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:22,905 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:22,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,905 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:22,906 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:22,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,909 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:22,946 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 03:04:22,948 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:22,948 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:22,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,948 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:22,952 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 03:04:22,952 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:22,959 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:22,994 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 03:04:22,996 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:22,996 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:22,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:22,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:22,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:22,997 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:22,998 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:22,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:23,000 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:23,036 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 03:04:23,038 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:23,038 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:23,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:23,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:23,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:23,039 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:23,040 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:23,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:23,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:23,078 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 03:04:23,079 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:23,080 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:23,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:23,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:23,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:23,080 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:23,083 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:23,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:23,089 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:23,121 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:23,124 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 03:04:23,126 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:23,127 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:23,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:23,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:23,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:23,127 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:04:23,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:23,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:23,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:23,185 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 03:04:23,187 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:23,187 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:23,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:23,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:23,187 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:04:23,193 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-28 03:04:23,193 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:23,204 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:23,239 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 03:04:23,242 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:23,242 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:23,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:23,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:23,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:23,242 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:04:23,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:23,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:23,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:23,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:23,283 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:23,284 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:23,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:23,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:23,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:23,284 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:04:23,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:23,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:23,290 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:23,326 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 03:04:23,329 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:23,329 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:23,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:23,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:23,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:23,329 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:04:23,334 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:23,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:23,346 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:23,379 INFO L473 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-11-28 03:04:23,379 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2020-11-28 03:04:23,379 INFO L796 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2020-11-28 03:04:23,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:23,380 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 2 times [2020-11-28 03:04:23,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:23,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050142995] [2020-11-28 03:04:23,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:23,390 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:23,401 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:23,404 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:04:23,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:23,407 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 2 times [2020-11-28 03:04:23,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:23,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239260973] [2020-11-28 03:04:23,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:23,424 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:23,439 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:23,440 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:04:23,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:23,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1365720352, now seen corresponding path program 3 times [2020-11-28 03:04:23,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:23,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464744757] [2020-11-28 03:04:23,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:23,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:04:23,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464744757] [2020-11-28 03:04:23,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:04:23,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:04:23,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330915705] [2020-11-28 03:04:23,591 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:04:23,591 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:04:23,591 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:04:23,592 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:04:23,592 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:04:23,592 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:23,592 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:04:23,592 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:04:23,592 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2020-11-28 03:04:23,592 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:04:23,592 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:04:23,593 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 03:04:23,603 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 03:04:23,606 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 03:04:23,703 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:04:23,703 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:23,705 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:04:23,705 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:23,745 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:04:23,745 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:23,943 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:04:23,945 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:04:23,945 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:04:23,945 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:04:23,945 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:04:23,945 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:04:23,945 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:23,945 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:04:23,945 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:04:23,945 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2020-11-28 03:04:23,945 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:04:23,945 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:04:23,946 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 03:04:23,957 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 03:04:23,961 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 03:04:24,052 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:04:24,053 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:24,063 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 03:04:24,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:24,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:24,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:24,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:24,112 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 03:04:24,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:24,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:24,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:24,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,118 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:24,158 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 03:04:24,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:24,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:24,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:24,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,163 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:24,198 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:24,201 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 03:04:24,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:24,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,203 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:24,206 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:24,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:24,250 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 03:04:24,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:24,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,252 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:24,253 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:24,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,260 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:24,299 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 03:04:24,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:24,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,301 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:24,302 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:24,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,304 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:24,337 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:24,341 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 03:04:24,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:24,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,343 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:24,346 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:24,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,351 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:24,387 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 03:04:24,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:24,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,393 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:24,394 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:24,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,397 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:24,434 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 03:04:24,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:24,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,436 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:24,437 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:24,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,439 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:24,472 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:24,475 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 03:04:24,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:24,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,477 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:24,481 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:24,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,487 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:24,523 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 03:04:24,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:24,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,525 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:24,527 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:24,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,529 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:24,567 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 03:04:24,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:24,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,570 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:24,571 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:24,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,574 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:24,607 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:24,613 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 03:04:24,615 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:24,615 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:24,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,615 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:24,618 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:24,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,625 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:24,663 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 03:04:24,665 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:24,665 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:24,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,665 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:24,667 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:24,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,670 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:24,709 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 03:04:24,711 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:24,711 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:24,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,711 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 03:04:24,712 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 03:04:24,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,716 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:24,743 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 128 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 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,748 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 03:04:24,749 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:24,750 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:04:24,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,750 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:24,753 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:24,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:24,766 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:24,807 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 03:04:24,809 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:24,809 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:04:24,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,810 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:24,811 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:24,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,815 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:24,864 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 03:04:24,867 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:24,867 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 03:04:24,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,868 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:24,869 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:24,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,872 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:24,892 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 131 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 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,914 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 03:04:24,916 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:24,916 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:24,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,916 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:24,919 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:24,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:24,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:24,973 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 03:04:24,976 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:24,976 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:24,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:24,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:24,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:24,977 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:24,979 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:24,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:24,986 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:25,023 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 03:04:25,025 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:25,026 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:25,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:25,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:25,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:25,026 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 03:04:25,028 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 03:04:25,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:25,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:25,067 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:25,072 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 03:04:25,074 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:25,074 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:25,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:25,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:25,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:25,075 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:25,078 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:25,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:25,084 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:25,123 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 03:04:25,125 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:25,125 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:25,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:25,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:25,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:25,126 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 03:04:25,127 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:25,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:25,130 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:25,159 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 03:04:25,161 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:25,161 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 03:04:25,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:25,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:25,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:25,161 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:25,162 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 03:04:25,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:25,165 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:25,188 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 137 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 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:25,190 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 03:04:25,192 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:25,192 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:25,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:25,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:25,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:25,192 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:04:25,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:25,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:25,214 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 138 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 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:25,251 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 03:04:25,252 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:25,252 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:25,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:25,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:25,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:25,253 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:04:25,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:25,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:25,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 139 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 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:25,278 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 03:04:25,279 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 03:04:25,279 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 03:04:25,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:25,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:25,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:25,280 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 03:04:25,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:04:25,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:25,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 03:04:25,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:04:25,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:04:25,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:04:25,311 INFO L87 Difference]: Start difference. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 3 states. [2020-11-28 03:04:25,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:04:25,321 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2020-11-28 03:04:25,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:04:25,322 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2020-11-28 03:04:25,323 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:04:25,323 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 7 transitions. [2020-11-28 03:04:25,323 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-11-28 03:04:25,323 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2020-11-28 03:04:25,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2020-11-28 03:04:25,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:04:25,324 INFO L691 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-11-28 03:04:25,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2020-11-28 03:04:25,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2020-11-28 03:04:25,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-11-28 03:04:25,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2020-11-28 03:04:25,325 INFO L714 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-11-28 03:04:25,325 INFO L594 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-11-28 03:04:25,325 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:04:25,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2020-11-28 03:04:25,326 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-11-28 03:04:25,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:04:25,326 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:04:25,326 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:04:25,326 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:04:25,326 INFO L794 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 55#L23-1 assume !!(main_~x~0 < 255); 57#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2020-11-28 03:04:25,327 INFO L796 eck$LassoCheckResult]: Loop: 52#L18-2 assume !(0 != main_~debug~0); 53#L23-1 assume !!(main_~x~0 < 255); 56#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2020-11-28 03:04:25,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:25,327 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2020-11-28 03:04:25,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:25,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237903039] [2020-11-28 03:04:25,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:25,333 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:25,338 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:25,339 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:04:25,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:25,340 INFO L82 PathProgramCache]: Analyzing trace with hash 50297, now seen corresponding path program 1 times [2020-11-28 03:04:25,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:25,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313962156] [2020-11-28 03:04:25,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:25,345 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:25,349 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:25,350 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:04:25,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:25,351 INFO L82 PathProgramCache]: Analyzing trace with hash 925835413, now seen corresponding path program 1 times [2020-11-28 03:04:25,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:04:25,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520396198] [2020-11-28 03:04:25,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:04:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:25,359 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:04:25,366 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:04:25,368 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:04:25,407 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:04:25,407 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:04:25,407 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:04:25,407 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:04:25,407 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:04:25,407 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:25,407 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:04:25,407 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:04:25,407 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2020-11-28 03:04:25,408 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:04:25,408 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:04:25,408 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 03:04:25,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:04:25,476 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:04:25,476 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 140 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 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:25,478 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:04:25,478 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:04:25,485 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:04:25,485 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:25,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:04:25,523 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:25,564 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:04:25,564 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:25,605 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:04:25,606 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:04:25,606 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:04:25,607 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:04:25,607 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:04:25,607 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:04:25,607 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:25,607 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:04:25,607 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:04:25,607 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2020-11-28 03:04:25,607 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:04:25,607 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:04:25,608 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 03:04:25,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:04:25,687 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:04:25,687 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:04:25,695 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 03:04:25,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:25,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:25,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:25,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:25,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:25,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:25,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:25,700 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 144 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 144 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:25,725 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 03:04:25,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:04:25,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:04:25,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:04:25,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:04:25,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:04:25,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:04:25,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:04:25,730 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:04:25,735 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:04:25,735 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12069731-7642-4c83-86a5-d5472da675ac/bin/uautomizer/z3 Starting monitored process 145 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 145 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:04:25,738 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:04:25,738 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:04:25,738 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:04:25,739 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~x~0 + 255 Supporting invariants [] [2020-11-28 03:04:25,773 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:04:25,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:04:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:25,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:04:25,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:04:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:04:25,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:04:25,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:04:25,896 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 03:04:25,899 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-28 03:04:25,900 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 4 states. [2020-11-28 03:04:25,948 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 12 states and 14 transitions. Complement of second has 6 states. [2020-11-28 03:04:25,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:04:25,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:04:25,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2020-11-28 03:04:25,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2020-11-28 03:04:25,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:04:25,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2020-11-28 03:04:25,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:04:25,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2020-11-28 03:04:25,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:04:25,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2020-11-28 03:04:25,954 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:04:25,954 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2020-11-28 03:04:25,954 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:04:25,954 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:04:25,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:04:25,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:04:25,954 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:04:25,954 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:04:25,954 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:04:25,954 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-28 03:04:25,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:04:25,955 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:04:25,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:04:25,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:04:25 BoogieIcfgContainer [2020-11-28 03:04:25,964 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:04:25,964 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:04:25,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:04:25,964 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:04:25,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:04:15" (3/4) ... [2020-11-28 03:04:25,968 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:04:25,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:04:25,970 INFO L168 Benchmark]: Toolchain (without parser) took 10866.07 ms. Allocated memory was 142.6 MB in the beginning and 207.6 MB in the end (delta: 65.0 MB). Free memory was 112.4 MB in the beginning and 97.5 MB in the end (delta: 14.9 MB). Peak memory consumption was 80.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:25,971 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 83.9 MB. Free memory was 42.1 MB in the beginning and 42.1 MB in the end (delta: 36.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:04:25,971 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.28 ms. Allocated memory is still 142.6 MB. Free memory was 112.1 MB in the beginning and 119.6 MB in the end (delta: -7.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:25,971 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.99 ms. Allocated memory is still 142.6 MB. Free memory was 119.6 MB in the beginning and 118.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:04:25,972 INFO L168 Benchmark]: Boogie Preprocessor took 16.50 ms. Allocated memory is still 142.6 MB. Free memory was 118.4 MB in the beginning and 117.5 MB in the end (delta: 889.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:04:25,973 INFO L168 Benchmark]: RCFGBuilder took 219.01 ms. Allocated memory is still 142.6 MB. Free memory was 117.5 MB in the beginning and 108.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:25,973 INFO L168 Benchmark]: BuchiAutomizer took 10363.69 ms. Allocated memory was 142.6 MB in the beginning and 207.6 MB in the end (delta: 65.0 MB). Free memory was 108.9 MB in the beginning and 97.5 MB in the end (delta: 11.4 MB). Peak memory consumption was 79.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:25,973 INFO L168 Benchmark]: Witness Printer took 4.37 ms. Allocated memory is still 207.6 MB. Free memory is still 97.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:04:25,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 83.9 MB. Free memory was 42.1 MB in the beginning and 42.1 MB in the end (delta: 36.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 224.28 ms. Allocated memory is still 142.6 MB. Free memory was 112.1 MB in the beginning and 119.6 MB in the end (delta: -7.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.99 ms. Allocated memory is still 142.6 MB. Free memory was 119.6 MB in the beginning and 118.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.50 ms. Allocated memory is still 142.6 MB. Free memory was 118.4 MB in the beginning and 117.5 MB in the end (delta: 889.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 219.01 ms. Allocated memory is still 142.6 MB. Free memory was 117.5 MB in the beginning and 108.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 10363.69 ms. Allocated memory was 142.6 MB in the beginning and 207.6 MB in the end (delta: 65.0 MB). Free memory was 108.9 MB in the beginning and 97.5 MB in the end (delta: 11.4 MB). Peak memory consumption was 79.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.37 ms. Allocated memory is still 207.6 MB. Free memory is still 97.5 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 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x + 255 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 9.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 12 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp81 ukn100 mio100 lsp100 div347 bol100 ite100 ukn100 eq148 hnf51 smp85 dnf100 smp100 tf105 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 18ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...