./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/MirrorIntervSim.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_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/MirrorIntervSim.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 b46e33ca50e9f914cee262a77e37684667303674 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:56:20,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:56:20,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:56:20,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:56:20,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:56:20,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:56:20,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:56:20,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:56:20,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:56:20,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:56:20,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:56:20,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:56:20,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:56:20,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:56:20,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:56:20,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:56:20,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:56:20,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:56:20,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:56:20,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:56:20,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:56:20,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:56:20,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:56:20,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:56:20,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:56:20,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:56:20,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:56:20,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:56:20,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:56:20,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:56:20,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:56:20,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:56:20,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:56:20,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:56:20,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:56:20,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:56:20,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:56:20,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:56:20,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:56:20,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:56:20,654 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:56:20,655 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 02:56:20,700 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:56:20,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:56:20,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:56:20,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:56:20,706 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:56:20,707 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 02:56:20,707 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 02:56:20,707 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 02:56:20,708 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 02:56:20,708 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 02:56:20,709 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 02:56:20,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:56:20,710 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 02:56:20,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:56:20,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:56:20,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 02:56:20,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 02:56:20,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 02:56:20,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:56:20,712 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 02:56:20,713 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:56:20,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 02:56:20,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:56:20,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:56:20,714 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 02:56:20,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:56:20,714 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:56:20,715 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:56:20,715 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 02:56:20,718 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 02:56:20,719 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_fb169596-1618-4285-87d7-69723aa36a5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b46e33ca50e9f914cee262a77e37684667303674 [2020-11-28 02:56:21,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:56:21,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:56:21,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:56:21,051 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:56:21,051 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:56:21,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/MirrorIntervSim.c [2020-11-28 02:56:21,130 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/data/9b68b3167/c0af2198b9cd40babc13323bdaa2c57c/FLAGe3b6093f9 [2020-11-28 02:56:21,622 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:56:21,623 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/sv-benchmarks/c/termination-restricted-15/MirrorIntervSim.c [2020-11-28 02:56:21,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/data/9b68b3167/c0af2198b9cd40babc13323bdaa2c57c/FLAGe3b6093f9 [2020-11-28 02:56:21,991 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/data/9b68b3167/c0af2198b9cd40babc13323bdaa2c57c [2020-11-28 02:56:21,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:56:21,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:56:21,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:21,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:56:22,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:56:22,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:21" (1/1) ... [2020-11-28 02:56:22,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d9709ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22, skipping insertion in model container [2020-11-28 02:56:22,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:21" (1/1) ... [2020-11-28 02:56:22,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:56:22,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:56:22,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:22,151 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:56:22,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:22,197 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:56:22,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22 WrapperNode [2020-11-28 02:56:22,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:22,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:22,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:56:22,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:56:22,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:22,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:56:22,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:56:22,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:56:22,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:56:22,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:56:22,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:56:22,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:56:22,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:56:22,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:56:22,535 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:56:22,535 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 02:56:22,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:22 BoogieIcfgContainer [2020-11-28 02:56:22,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:56:22,538 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 02:56:22,538 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 02:56:22,542 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 02:56:22,543 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:56:22,543 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:56:21" (1/3) ... [2020-11-28 02:56:22,545 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15d5aaea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:56:22, skipping insertion in model container [2020-11-28 02:56:22,545 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:56:22,545 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (2/3) ... [2020-11-28 02:56:22,546 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15d5aaea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:56:22, skipping insertion in model container [2020-11-28 02:56:22,546 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:56:22,546 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:22" (3/3) ... [2020-11-28 02:56:22,548 INFO L373 chiAutomizerObserver]: Analyzing ICFG MirrorIntervSim.c [2020-11-28 02:56:22,619 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 02:56:22,619 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 02:56:22,620 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 02:56:22,620 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:56:22,620 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:56:22,620 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 02:56:22,620 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:56:22,620 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 02:56:22,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-11-28 02:56:22,650 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 02:56:22,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:56:22,651 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:56:22,657 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-28 02:56:22,658 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 02:56:22,658 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 02:56:22,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-11-28 02:56:22,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 02:56:22,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:56:22,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:56:22,660 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-28 02:56:22,660 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 02:56:22,671 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 10#L10-1true [2020-11-28 02:56:22,672 INFO L796 eck$LassoCheckResult]: Loop: 10#L10-1true assume !!(0 != main_~i~0); 3#L10true assume !(-5 <= main_~i~0 && main_~i~0 <= 35);main_~i~0 := 0; 10#L10-1true [2020-11-28 02:56:22,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:22,677 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-11-28 02:56:22,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:22,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600185155] [2020-11-28 02:56:22,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:22,771 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:22,780 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:22,797 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:56:22,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:22,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1297, now seen corresponding path program 1 times [2020-11-28 02:56:22,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:22,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766972013] [2020-11-28 02:56:22,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:22,818 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:22,828 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:22,831 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:56:22,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:22,842 INFO L82 PathProgramCache]: Analyzing trace with hash 31088, now seen corresponding path program 1 times [2020-11-28 02:56:22,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:22,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034252174] [2020-11-28 02:56:22,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:22,849 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:22,853 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:22,854 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:56:22,994 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:56:22,995 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:56:22,995 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:56:22,995 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:56:22,996 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 02:56:22,996 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:22,996 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:56:23,005 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:56:23,005 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirrorIntervSim.c_Iteration1_Loop [2020-11-28 02:56:23,005 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:56:23,005 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:56:23,042 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 02:56:23,055 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 02:56:23,066 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 02:56:23,274 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:56:23,276 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:23,284 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:56:23,284 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:23,297 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 02:56:23,297 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:56:23,344 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:56:23,345 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:23,351 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 02:56:23,351 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:23,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:56:23,374 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:23,425 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 02:56:23,425 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:23,478 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 02:56:23,480 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:56:23,480 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:56:23,480 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:56:23,480 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:56:23,481 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 02:56:23,481 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:23,481 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:56:23,481 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:56:23,481 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirrorIntervSim.c_Iteration1_Loop [2020-11-28 02:56:23,481 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:56:23,481 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:56:23,483 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 02:56:23,487 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 02:56:23,495 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 02:56:23,606 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:56:23,611 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:23,615 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 02:56:23,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:23,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:23,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:23,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:56:23,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:56:23,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:56:23,633 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:23,658 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 02:56:23,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:23,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:23,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:23,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:56:23,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:56:23,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:56:23,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:23,696 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 02:56:23,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:23,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:23,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:23,698 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:23,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:56:23,701 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:56:23,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:23,711 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:23,737 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:23,743 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 02:56:23,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:23,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:23,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:23,745 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:23,750 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 02:56:23,750 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-28 02:56:23,757 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:23,791 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 02:56:23,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:23,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:23,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:23,793 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:23,800 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 02:56:23,800 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-28 02:56:23,807 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:23,847 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 02:56:23,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:23,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:23,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:23,849 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:23,849 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:23,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:56:23,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:23,857 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:23,887 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:23,890 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 02:56:23,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:23,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:23,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:23,893 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:23,898 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:23,898 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 02:56:23,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:56:23,957 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 02:56:23,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:23,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:23,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:23,959 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:23,965 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:23,966 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:23,974 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:24,017 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 02:56:24,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:24,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:24,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:24,021 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:24,021 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:24,027 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:56:24,027 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 02:56:24,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:24,068 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:24,087 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 02:56:24,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:24,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:24,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:24,091 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:24,097 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-28 02:56:24,097 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-28 02:56:24,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:24,153 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 02:56:24,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:24,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:24,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:24,155 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:24,161 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-28 02:56:24,161 INFO L402 nArgumentSynthesizer]: A total of 5 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 02:56:24,170 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:24,212 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 02:56:24,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:24,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:24,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:24,215 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:24,215 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:24,219 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-28 02:56:24,219 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 02:56:24,230 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:24,265 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:24,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:56:24,277 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:24,277 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:24,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:24,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:24,277 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:24,287 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 02:56:24,287 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-28 02:56:24,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:56:24,345 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 02:56:24,347 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:24,348 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:24,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:24,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:24,348 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:24,364 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 02:56:24,364 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:24,374 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:24,423 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 02:56:24,425 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:24,425 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:24,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:24,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:24,426 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:24,426 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:24,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:56:24,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:24,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:24,477 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:24,489 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 02:56:24,491 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:24,491 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:56:24,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:24,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:24,494 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:24,499 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:24,499 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 02:56:24,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:24,549 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 02:56:24,551 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:24,551 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:56:24,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:24,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:24,552 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:24,562 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:24,562 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:24,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:24,614 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 02:56:24,618 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:24,618 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:56:24,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:24,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:24,619 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:24,619 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:24,623 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:56:24,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:24,634 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:24,669 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:24,677 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 02:56:24,680 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:24,680 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:24,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:24,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:24,681 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:24,686 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-28 02:56:24,687 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-28 02:56:24,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:24,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:56:24,739 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:24,739 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:24,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:24,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:24,740 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:24,745 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-28 02:56:24,745 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-28 02:56:24,764 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:24,885 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 02:56:24,888 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:24,888 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:24,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:24,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:24,888 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:24,888 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:24,894 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-28 02:56:24,894 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 02:56:24,909 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:24,943 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:24,949 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 02:56:24,975 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:24,976 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:24,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:24,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:24,976 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:24,980 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:24,980 INFO L402 nArgumentSynthesizer]: A total of 4 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 02:56:24,988 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:25,029 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 02:56:25,031 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:25,031 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:25,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:25,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:25,032 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:25,035 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:25,035 INFO L402 nArgumentSynthesizer]: A total of 4 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 02:56:25,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:25,085 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 02:56:25,087 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:25,087 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:25,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:25,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:25,088 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:25,088 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:25,091 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:56:25,092 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 02:56:25,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:25,133 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:25,136 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 02:56:25,139 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:25,139 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:25,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:25,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:25,140 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:56:25,148 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-28 02:56:25,148 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-28 02:56:25,158 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:56:25,196 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 02:56:25,199 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:25,199 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:25,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:25,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:25,200 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:56:25,205 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-28 02:56:25,205 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:25,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:25,249 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 02:56:25,251 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:25,251 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:25,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:25,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:25,252 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:25,252 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:56:25,257 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:25,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:25,272 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:25,324 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:56:25,324 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:56:25,324 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:56:25,324 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:56:25,324 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 02:56:25,324 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:25,324 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:56:25,325 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:56:25,325 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirrorIntervSim.c_Iteration1_Lasso [2020-11-28 02:56:25,325 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:56:25,325 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:56:25,327 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 02:56:25,331 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 02:56:25,335 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 02:56:25,350 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 02:56:25,355 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 02:56:25,437 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:56:25,437 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:25,441 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:56:25,441 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:25,445 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 02:56:25,445 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 02:56:25,483 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:56:25,483 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:25,487 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 02:56:25,487 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_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:25,531 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:56:25,531 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:25,538 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 02:56:25,538 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:25,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:56:25,578 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:25,581 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 02:56:25,582 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_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:25,620 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:56:25,620 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:25,647 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 02:56:25,647 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 02:56:25,687 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 02:56:25,688 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:56:25,688 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:56:25,689 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:56:25,689 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:56:25,689 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 02:56:25,689 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:25,689 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:56:25,689 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:56:25,689 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirrorIntervSim.c_Iteration1_Lasso [2020-11-28 02:56:25,689 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:56:25,689 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:56:25,691 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 02:56:25,696 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 02:56:25,714 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 02:56:25,718 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 02:56:25,722 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 02:56:25,805 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:56:25,805 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:25,812 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 02:56:25,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:25,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:25,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:25,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:56:25,815 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:56:25,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:56:25,818 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:25,840 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 02:56:25,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:25,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:25,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:25,842 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:25,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:56:25,843 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:56:25,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:25,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:25,875 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 02:56:25,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:25,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:25,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:25,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:56:25,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:56:25,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 02:56:25,883 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:25,905 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 02:56:25,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:25,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:25,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:25,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:25,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:56:25,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:56:25,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:25,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:25,935 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 02:56:25,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:25,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:25,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:25,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:25,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:56:25,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 02:56:25,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:25,938 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:25,958 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:25,960 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 02:56:25,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:25,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:25,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:25,962 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:25,964 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 02:56:25,964 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-28 02:56:25,968 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:26,000 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 02:56:26,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:26,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:26,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,002 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:26,003 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:26,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:56:26,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:26,012 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:26,058 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 02:56:26,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:26,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,060 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:26,063 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 02:56:26,063 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-28 02:56:26,068 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:26,090 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 02:56:26,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:26,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:26,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,092 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:26,093 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:56:26,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:26,095 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:26,121 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 02:56:26,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:26,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:26,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,123 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:26,123 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:56:26,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:26,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:26,145 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:26,147 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 02:56:26,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:26,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,149 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:26,152 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:26,152 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 02:56:26,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:26,184 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 02:56:26,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:26,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:26,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,186 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:26,186 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:26,188 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:56:26,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:26,192 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:26,215 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 02:56:26,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:26,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,217 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:26,222 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:26,222 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 02:56:26,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:26,264 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 02:56:26,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:26,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:26,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,266 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:26,266 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:56:26,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:26,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:26,289 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 02:56:26,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:26,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:26,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,300 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:26,300 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:56:26,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:26,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:26,321 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:26,323 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 02:56:26,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:26,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,325 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:26,337 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-28 02:56:26,337 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-28 02:56:26,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:26,381 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 02:56:26,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:26,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:26,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,384 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:26,384 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:26,387 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-28 02:56:26,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:26,393 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:26,429 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 02:56:26,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:26,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,431 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:26,435 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-28 02:56:26,435 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-28 02:56:26,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:26,464 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 02:56:26,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:26,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:26,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,466 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:26,472 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:56:26,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:26,475 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:26,496 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 02:56:26,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:26,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:26,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,500 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:26,500 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:56:26,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:26,502 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:26,522 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:26,527 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 02:56:26,529 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:26,529 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:26,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,529 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:26,532 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 02:56:26,532 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-28 02:56:26,540 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:26,593 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 02:56:26,595 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:26,595 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:26,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:26,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,596 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:26,596 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:26,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:56:26,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:26,605 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:26,643 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 02:56:26,645 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:26,645 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:26,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,645 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:26,648 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 02:56:26,648 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-28 02:56:26,659 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:26,683 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 02:56:26,685 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:26,685 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:26,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:26,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,686 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:26,687 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:56:26,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:26,689 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:26,712 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 02:56:26,713 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:26,713 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:26,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:26,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,714 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:26,714 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-11-28 02:56:26,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:26,716 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:26,736 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:26,739 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 [2020-11-28 02:56:26,741 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:26,741 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:56:26,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,741 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:26,744 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:26,744 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 02:56:26,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:26,774 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 02:56:26,776 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:26,776 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:56:26,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:26,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,776 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:26,776 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:26,779 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:56:26,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:26,800 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:26,837 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 02:56:26,840 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:26,840 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:56:26,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,841 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:26,844 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:26,845 INFO L402 nArgumentSynthesizer]: A total of 4 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 02:56:26,853 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:26,890 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 02:56:26,893 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:26,893 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:56:26,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:26,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,894 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:26,895 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:56:26,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:26,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:26,935 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 02:56:26,938 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:26,938 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:56:26,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:26,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,939 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:26,940 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:56:26,940 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 02:56:26,944 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:26,977 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:26,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:56:26,988 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:26,988 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:26,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:26,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:26,988 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:26,993 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-28 02:56:26,993 INFO L402 nArgumentSynthesizer]: A total of 5 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 02:56:27,003 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:27,038 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 02:56:27,041 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:27,041 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:27,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:27,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:27,041 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:27,042 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:27,047 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-28 02:56:27,048 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 02:56:27,061 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:27,096 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 02:56:27,098 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:27,099 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:27,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:27,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:27,099 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:27,103 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-28 02:56:27,104 INFO L402 nArgumentSynthesizer]: A total of 5 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 02:56:27,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:27,153 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 02:56:27,155 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:27,155 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:27,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:27,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:27,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:27,156 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:27,157 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:56:27,157 INFO L402 nArgumentSynthesizer]: A total of 0 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 02:56:27,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:27,199 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 02:56:27,202 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:27,202 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:27,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:27,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:27,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:27,203 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:27,204 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-11-28 02:56:27,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:27,209 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:27,242 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:27,245 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 02:56:27,247 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:27,247 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:27,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:27,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:27,248 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:27,251 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:27,251 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 02:56:27,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:27,293 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 02:56:27,295 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:27,295 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:27,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:27,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:27,295 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:27,295 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:27,298 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:56:27,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:27,305 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:27,341 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 02:56:27,343 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:27,343 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:27,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:27,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:27,344 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:27,347 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:27,347 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:27,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:27,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:56:27,376 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:27,376 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:27,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:27,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:27,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:27,377 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:27,378 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:56:27,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:27,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:27,400 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 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:27,402 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:27,402 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:27,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:27,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:27,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:27,403 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:27,403 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:56:27,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:27,405 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:27,438 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:27,440 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 02:56:27,442 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:27,442 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:27,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:27,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:27,442 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:56:27,446 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-28 02:56:27,446 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-11-28 02:56:27,455 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:27,497 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 02:56:27,500 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:27,500 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:27,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:27,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:27,500 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:27,500 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:56:27,505 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:27,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:27,521 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:27,556 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 02:56:27,558 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:27,558 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:27,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:27,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:27,559 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:56:27,573 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-28 02:56:27,573 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:27,584 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:27,619 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 02:56:27,621 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:27,621 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:27,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:27,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:27,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:27,622 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:56:27,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:56:27,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:27,627 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:27,667 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 02:56:27,670 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:27,670 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:27,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:27,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:27,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:27,671 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:56:27,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:56:27,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:27,676 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:27,708 INFO L473 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-11-28 02:56:27,708 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 10#L10-1true assume !!(0 != main_~i~0); 3#L10true assume !(-5 <= main_~i~0 && main_~i~0 <= 35);main_~i~0 := 0; 10#L10-1true [2020-11-28 02:56:27,708 INFO L796 eck$LassoCheckResult]: Loop: 10#L10-1true assume !!(0 != main_~i~0); 3#L10true assume !(-5 <= main_~i~0 && main_~i~0 <= 35);main_~i~0 := 0; 10#L10-1true [2020-11-28 02:56:27,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:27,709 INFO L82 PathProgramCache]: Analyzing trace with hash 31088, now seen corresponding path program 2 times [2020-11-28 02:56:27,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:27,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375413548] [2020-11-28 02:56:27,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:27,714 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:27,729 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:27,730 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:56:27,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:27,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1297, now seen corresponding path program 2 times [2020-11-28 02:56:27,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:27,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954528899] [2020-11-28 02:56:27,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:27,739 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:27,743 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:27,745 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:56:27,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:27,747 INFO L82 PathProgramCache]: Analyzing trace with hash 29875904, now seen corresponding path program 3 times [2020-11-28 02:56:27,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:27,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070363045] [2020-11-28 02:56:27,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:27,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:27,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070363045] [2020-11-28 02:56:27,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:27,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:27,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663394008] [2020-11-28 02:56:27,839 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:56:27,839 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:56:27,839 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:56:27,840 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:56:27,840 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 02:56:27,840 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:27,840 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:56:27,840 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:56:27,840 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirrorIntervSim.c_Iteration1_Loop [2020-11-28 02:56:27,840 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:56:27,840 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:56:27,841 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 02:56:27,853 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 02:56:27,857 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 02:56:27,921 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:56:27,921 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:27,925 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 02:56:27,925 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:27,965 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 02:56:27,965 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:28,021 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 02:56:28,022 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 02:56:28,022 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 02:56:28,023 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 02:56:28,023 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 02:56:28,023 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 02:56:28,023 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:28,023 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 02:56:28,023 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 02:56:28,023 INFO L133 ssoRankerPreferences]: Filename of dumped script: MirrorIntervSim.c_Iteration1_Loop [2020-11-28 02:56:28,023 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 02:56:28,023 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 02:56:28,025 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 02:56:28,036 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 02:56:28,041 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 02:56:28,103 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 02:56:28,103 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:28,108 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 02:56:28,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:28,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:28,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,110 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:28,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:56:28,111 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-11-28 02:56:28,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:28,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:28,153 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 02:56:28,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:28,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:28,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:56:28,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:56:28,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:28,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:28,199 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 02:56:28,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:28,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:28,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 02:56:28,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:56:28,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:28,206 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:28,240 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) [2020-11-28 02:56:28,243 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 02:56:28,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:28,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:28,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,245 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:28,246 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:28,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:56:28,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:28,252 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:28,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 02:56:28,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:28,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:28,277 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:28,278 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 02:56:28,278 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-28 02:56:28,282 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:28,303 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 02:56:28,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:28,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:28,305 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:28,307 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 02:56:28,307 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-28 02:56:28,311 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:28,331 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:28,333 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 02:56:28,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:28,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:28,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,335 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:28,335 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:28,337 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:56:28,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:28,340 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:28,361 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 02:56:28,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:28,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:28,363 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:28,365 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:28,365 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 02:56:28,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:28,390 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 02:56:28,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:28,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:28,392 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:28,394 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:28,394 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 02:56:28,398 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:28,417 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:28,421 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 02:56:28,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:28,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:28,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,423 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:28,423 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:28,429 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-28 02:56:28,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:28,433 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:28,456 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 02:56:28,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:28,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:28,458 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:28,461 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-28 02:56:28,461 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-28 02:56:28,466 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:28,487 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 02:56:28,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 02:56:28,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:28,489 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:28,492 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-28 02:56:28,492 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-28 02:56:28,516 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:28,550 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:28,561 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 02:56:28,563 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:28,563 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:28,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:28,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,563 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:28,563 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:28,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 02:56:28,566 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 02:56:28,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:28,608 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 02:56:28,610 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:28,610 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:28,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:28,611 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:28,613 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 02:56:28,613 INFO L402 nArgumentSynthesizer]: A total of 3 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 02:56:28,620 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:28,649 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 [2020-11-28 02:56:28,651 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:28,651 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:28,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:28,651 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-11-28 02:56:28,654 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-11-28 02:56:28,654 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-11-28 02:56:28,660 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:28,680 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:28,682 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 02:56:28,684 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:28,684 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:56:28,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:28,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,684 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:28,685 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:28,694 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:56:28,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:28,705 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:28,726 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 02:56:28,728 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:28,728 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:56:28,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:28,728 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:28,731 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:28,731 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 02:56:28,743 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:28,764 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 02:56:28,766 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:28,766 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2020-11-28 02:56:28,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:28,767 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:28,770 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:28,770 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-11-28 02:56:28,788 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:28,820 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:28,822 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 02:56:28,824 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:28,824 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:28,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:28,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,824 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:28,824 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:28,828 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2020-11-28 02:56:28,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 02:56:28,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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) Waiting until toolchain timeout for monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:28,859 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 02:56:28,861 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:28,861 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:28,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:28,861 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:28,865 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-28 02:56:28,866 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-11-28 02:56:28,888 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:28,926 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 02:56:28,928 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:28,929 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:28,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:28,929 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2020-11-28 02:56:28,933 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-11-28 02:56:28,933 INFO L402 nArgumentSynthesizer]: A total of 5 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 02:56:28,948 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:28,981 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:28,986 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 02:56:28,988 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:28,988 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:28,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:28,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:28,989 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:28,989 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:28,992 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-28 02:56:28,992 INFO L402 nArgumentSynthesizer]: A total of 0 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 02:56:28,999 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:29,038 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 02:56:29,040 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:29,040 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:29,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:29,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:29,041 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:29,044 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:29,044 INFO L402 nArgumentSynthesizer]: A total of 4 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 02:56:29,051 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:29,089 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 02:56:29,091 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:29,092 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2020-11-28 02:56:29,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:29,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:29,092 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2020-11-28 02:56:29,095 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:29,095 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:29,102 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:29,135 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:29,137 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 02:56:29,140 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:29,140 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:29,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 02:56:29,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:29,140 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-11-28 02:56:29,140 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:56:29,145 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-11-28 02:56:29,145 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 02:56:29,159 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:29,194 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 02:56:29,197 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:29,197 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:29,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:29,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:29,197 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:56:29,202 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-28 02:56:29,202 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:29,212 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/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 02:56:29,247 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 02:56:29,249 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-11-28 02:56:29,249 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2020-11-28 02:56:29,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 02:56:29,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 02:56:29,249 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2020-11-28 02:56:29,254 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-11-28 02:56:29,254 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 02:56:29,264 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-11-28 02:56:29,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:29,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:29,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:29,310 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-11-28 02:56:29,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:29,356 INFO L93 Difference]: Finished difference Result 10 states and 13 transitions. [2020-11-28 02:56:29,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:29,358 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2020-11-28 02:56:29,359 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 02:56:29,362 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 5 states and 7 transitions. [2020-11-28 02:56:29,363 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2020-11-28 02:56:29,363 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-11-28 02:56:29,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 7 transitions. [2020-11-28 02:56:29,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 02:56:29,364 INFO L691 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2020-11-28 02:56:29,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 7 transitions. [2020-11-28 02:56:29,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2020-11-28 02:56:29,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 02:56:29,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2020-11-28 02:56:29,400 INFO L714 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2020-11-28 02:56:29,401 INFO L594 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2020-11-28 02:56:29,401 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 02:56:29,401 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. [2020-11-28 02:56:29,403 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 02:56:29,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:56:29,403 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:56:29,403 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-28 02:56:29,403 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 02:56:29,404 INFO L794 eck$LassoCheckResult]: Stem: 39#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 40#L10-1 [2020-11-28 02:56:29,404 INFO L796 eck$LassoCheckResult]: Loop: 40#L10-1 assume !!(0 != main_~i~0); 37#L10 assume -5 <= main_~i~0 && main_~i~0 <= 35; 38#L11 assume main_~i~0 < 0;main_~i~0 := -5; 40#L10-1 [2020-11-28 02:56:29,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:29,406 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2020-11-28 02:56:29,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:29,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010234002] [2020-11-28 02:56:29,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:29,423 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:29,426 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:29,426 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:56:29,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:29,428 INFO L82 PathProgramCache]: Analyzing trace with hash 39820, now seen corresponding path program 1 times [2020-11-28 02:56:29,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:29,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658509280] [2020-11-28 02:56:29,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:29,435 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:29,443 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:29,445 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:56:29,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:29,446 INFO L82 PathProgramCache]: Analyzing trace with hash 963341, now seen corresponding path program 1 times [2020-11-28 02:56:29,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:29,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329790841] [2020-11-28 02:56:29,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:29,454 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:29,463 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:29,465 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:56:29,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:56:29 BoogieIcfgContainer [2020-11-28 02:56:29,679 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 02:56:29,679 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:56:29,679 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:56:29,679 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:56:29,680 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:22" (3/4) ... [2020-11-28 02:56:29,682 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-28 02:56:29,720 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fb169596-1618-4285-87d7-69723aa36a5d/bin/uautomizer/witness.graphml [2020-11-28 02:56:29,720 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:56:29,722 INFO L168 Benchmark]: Toolchain (without parser) took 7725.20 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 63.3 MB in the beginning and 78.3 MB in the end (delta: -14.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:29,722 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 77.6 MB. Free memory was 48.6 MB in the beginning and 48.6 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:29,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 212.67 ms. Allocated memory is still 94.4 MB. Free memory was 62.9 MB in the beginning and 73.7 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:29,723 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.01 ms. Allocated memory is still 94.4 MB. Free memory was 73.7 MB in the beginning and 72.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:29,723 INFO L168 Benchmark]: Boogie Preprocessor took 16.07 ms. Allocated memory is still 94.4 MB. Free memory was 72.5 MB in the beginning and 71.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:29,724 INFO L168 Benchmark]: RCFGBuilder took 273.64 ms. Allocated memory is still 94.4 MB. Free memory was 71.3 MB in the beginning and 63.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:29,724 INFO L168 Benchmark]: BuchiAutomizer took 7140.80 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 62.9 MB in the beginning and 79.3 MB in the end (delta: -16.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:29,724 INFO L168 Benchmark]: Witness Printer took 40.78 ms. Allocated memory is still 113.2 MB. Free memory was 79.3 MB in the beginning and 78.3 MB in the end (delta: 982.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:29,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 77.6 MB. Free memory was 48.6 MB in the beginning and 48.6 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 212.67 ms. Allocated memory is still 94.4 MB. Free memory was 62.9 MB in the beginning and 73.7 MB in the end (delta: -10.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.01 ms. Allocated memory is still 94.4 MB. Free memory was 73.7 MB in the beginning and 72.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.07 ms. Allocated memory is still 94.4 MB. Free memory was 72.5 MB in the beginning and 71.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 273.64 ms. Allocated memory is still 94.4 MB. Free memory was 71.3 MB in the beginning and 63.4 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 7140.80 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 62.9 MB in the beginning and 79.3 MB in the end (delta: -16.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Witness Printer took 40.78 ms. Allocated memory is still 113.2 MB. Free memory was 79.3 MB in the beginning and 78.3 MB in the end (delta: 982.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 6.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 3 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax175 hnf92 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq128 hnf94 smp100 dnf141 smp100 tf108 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 20ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 9]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@712bf8c0=0, \result=0, i=-5} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 9]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() Loop: [L9] COND TRUE i != 0 [L10] COND TRUE -5 <= i && i <= 35 [L11] COND TRUE i < 0 [L12] i = -5 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...