./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_1-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6cd948af0e0b6c8603db03ff6e3dfbac759cb557 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:24:53,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:24:53,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:24:53,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:24:53,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:24:53,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:24:53,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:24:53,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:24:53,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:24:53,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:24:53,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:24:53,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:24:53,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:24:53,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:24:53,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:24:53,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:24:53,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:24:53,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:24:53,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:24:53,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:24:53,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:24:53,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:24:53,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:24:53,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:24:53,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:24:53,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:24:53,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:24:53,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:24:53,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:24:53,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:24:53,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:24:53,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:24:53,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:24:53,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:24:53,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:24:53,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:24:53,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:24:53,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:24:53,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:24:53,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:24:53,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:24:53,723 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 10:24:53,756 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:24:53,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:24:53,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:24:53,758 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:24:53,758 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:24:53,758 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 10:24:53,758 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 10:24:53,758 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 10:24:53,758 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 10:24:53,758 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 10:24:53,759 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 10:24:53,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:24:53,759 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:24:53,759 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:24:53,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:24:53,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:24:53,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:24:53,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 10:24:53,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 10:24:53,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 10:24:53,760 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:24:53,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:24:53,760 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 10:24:53,761 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:24:53,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 10:24:53,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:24:53,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:24:53,761 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 10:24:53,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:24:53,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:24:53,762 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 10:24:53,762 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 10:24:53,763 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cd948af0e0b6c8603db03ff6e3dfbac759cb557 [2019-11-20 10:24:53,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:24:53,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:24:53,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:24:53,949 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:24:53,950 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:24:53,950 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_1-2.c [2019-11-20 10:24:54,021 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/data/c330820db/ba88960170014077a24ac938d84e6746/FLAG3c24d000b [2019-11-20 10:24:54,481 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:24:54,482 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/sv-benchmarks/c/loop-acceleration/underapprox_1-2.c [2019-11-20 10:24:54,488 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/data/c330820db/ba88960170014077a24ac938d84e6746/FLAG3c24d000b [2019-11-20 10:24:54,811 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/data/c330820db/ba88960170014077a24ac938d84e6746 [2019-11-20 10:24:54,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:24:54,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:24:54,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:24:54,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:24:54,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:24:54,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:24:54" (1/1) ... [2019-11-20 10:24:54,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10479bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:24:54, skipping insertion in model container [2019-11-20 10:24:54,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:24:54" (1/1) ... [2019-11-20 10:24:54,836 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:24:54,854 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:24:55,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:24:55,121 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:24:55,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:24:55,262 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:24:55,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:24:55 WrapperNode [2019-11-20 10:24:55,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:24:55,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:24:55,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:24:55,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:24:55,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:24:55" (1/1) ... [2019-11-20 10:24:55,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:24:55" (1/1) ... [2019-11-20 10:24:55,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:24:55,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:24:55,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:24:55,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:24:55,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:24:55" (1/1) ... [2019-11-20 10:24:55,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:24:55" (1/1) ... [2019-11-20 10:24:55,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:24:55" (1/1) ... [2019-11-20 10:24:55,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:24:55" (1/1) ... [2019-11-20 10:24:55,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:24:55" (1/1) ... [2019-11-20 10:24:55,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:24:55" (1/1) ... [2019-11-20 10:24:55,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:24:55" (1/1) ... [2019-11-20 10:24:55,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:24:55,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:24:55,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:24:55,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:24:55,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:24:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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 [2019-11-20 10:24:55,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:24:55,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:24:55,601 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:24:55,602 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 10:24:55,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:24:55 BoogieIcfgContainer [2019-11-20 10:24:55,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:24:55,604 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 10:24:55,604 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 10:24:55,609 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 10:24:55,610 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:24:55,610 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:24:54" (1/3) ... [2019-11-20 10:24:55,612 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e6ba841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:24:55, skipping insertion in model container [2019-11-20 10:24:55,612 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:24:55,613 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:24:55" (2/3) ... [2019-11-20 10:24:55,613 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e6ba841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:24:55, skipping insertion in model container [2019-11-20 10:24:55,613 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:24:55,614 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:24:55" (3/3) ... [2019-11-20 10:24:55,615 INFO L371 chiAutomizerObserver]: Analyzing ICFG underapprox_1-2.c [2019-11-20 10:24:55,663 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 10:24:55,663 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 10:24:55,664 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 10:24:55,664 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:24:55,664 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:24:55,664 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 10:24:55,665 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:24:55,665 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 10:24:55,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-20 10:24:55,701 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 10:24:55,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:24:55,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:24:55,707 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 10:24:55,707 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 10:24:55,707 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 10:24:55,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-20 10:24:55,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 10:24:55,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:24:55,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:24:55,709 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 10:24:55,709 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 10:24:55,719 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 6#L14-2true [2019-11-20 10:24:55,720 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-11-20 10:24:55,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:24:55,727 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-20 10:24:55,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:24:55,737 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594795980] [2019-11-20 10:24:55,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:24:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:24:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:24:55,852 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:24:55,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:24:55,854 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-11-20 10:24:55,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:24:55,854 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55480266] [2019-11-20 10:24:55,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:24:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:24:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:24:55,874 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:24:55,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:24:55,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-20 10:24:55,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:24:55,877 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698819687] [2019-11-20 10:24:55,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:24:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:24:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:24:55,896 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:24:55,979 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:24:55,980 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:24:55,980 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:24:55,980 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:24:55,981 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 10:24:55,981 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:55,981 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:24:55,981 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:24:55,982 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Loop [2019-11-20 10:24:55,982 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:24:55,982 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:24:56,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:56,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:56,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:56,222 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:24:56,223 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:56,233 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:24:56,233 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 [2019-11-20 10:24:56,246 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 10:24:56,246 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:56,259 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:24:56,259 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 [2019-11-20 10:24:56,265 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 10:24:56,265 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:56,279 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:24:56,279 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:56,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 10:24:56,303 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 [2019-11-20 10:24:56,327 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 10:24:56,330 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:24:56,331 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:24:56,331 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:24:56,331 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:24:56,331 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 10:24:56,331 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:56,331 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:24:56,331 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:24:56,331 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Loop [2019-11-20 10:24:56,332 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:24:56,332 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:24:56,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:56,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:56,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:56,447 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:24:56,452 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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 [2019-11-20 10:24:56,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:56,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:56,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:56,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:56,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:56,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:24:56,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:24:56,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:56,474 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:56,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:56,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:56,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:56,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:56,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:56,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:24:56,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:24:56,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:56,503 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:56,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:56,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:56,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:56,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:56,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:56,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:24:56,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:24:56,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:56,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:56,541 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:56,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:56,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:56,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:56,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:56,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:56,563 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:56,569 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:24:56,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:56,573 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:56,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:56,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:56,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:56,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:56,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:56,595 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:56,597 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:24:56,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:56,600 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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 [2019-11-20 10:24:56,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:56,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:56,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:56,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:56,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:56,619 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:56,625 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:24:56,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:56,632 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:56,634 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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 [2019-11-20 10:24:56,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:56,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:56,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:56,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:56,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:56,646 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:56,649 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:56,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:56,654 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:56,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:56,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:56,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:56,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:56,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:56,674 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:56,676 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:56,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:56,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:24:56,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:56,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:56,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:56,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:56,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:56,698 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:56,702 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:56,703 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 [2019-11-20 10:24:56,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:56,716 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:56,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:56,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:56,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:56,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:56,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:56,735 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:56,740 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:24:56,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:56,744 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:56,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:56,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:56,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:56,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:56,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:56,767 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:56,777 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:24:56,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:56,783 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:56,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:56,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:56,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:56,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:56,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:56,797 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:56,802 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:24:56,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:56,812 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:56,815 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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 [2019-11-20 10:24:56,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:56,832 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:56,833 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:24:56,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:56,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:56,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:56,834 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:56,839 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:24:56,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:56,848 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:56,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:56,868 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:56,869 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:24:56,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:56,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:56,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:56,869 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:56,873 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:24:56,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:56,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:56,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:56,905 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:56,905 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:24:56,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:56,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:56,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:56,906 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:56,912 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:24:56,912 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 [2019-11-20 10:24:56,926 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:56,929 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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 [2019-11-20 10:24:56,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:56,942 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:56,942 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:24:56,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:56,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:56,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:56,943 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:56,950 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:56,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:56,974 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:56,982 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:56,985 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:56,985 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:24:56,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:56,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:56,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:56,986 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:56,989 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:56,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:56,998 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,007 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:57,008 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:24:57,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:57,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,009 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:57,014 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:57,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,026 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:57,028 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,036 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:57,036 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:24:57,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:57,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,037 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:57,048 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:24:57,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,069 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,080 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:57,080 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:24:57,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:57,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,081 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:57,084 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:24:57,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,094 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,107 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:57,107 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:24:57,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:57,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,108 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:57,115 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:24:57,115 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 [2019-11-20 10:24:57,138 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:57,140 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,147 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 [2019-11-20 10:24:57,150 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:57,150 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:24:57,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:57,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,151 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:57,153 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:57,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,169 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:57,169 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:24:57,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:57,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,170 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:57,172 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:57,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,177 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,184 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 [2019-11-20 10:24:57,186 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:57,187 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:24:57,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:57,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,187 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:57,191 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:57,192 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 [2019-11-20 10:24:57,200 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:57,202 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,210 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:57,210 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:24:57,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:57,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,211 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:24:57,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:24:57,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,230 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,242 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:57,243 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:24:57,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:57,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,244 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:24:57,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:24:57,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,253 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,266 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:57,266 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:24:57,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:57,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,267 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:24:57,273 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:24:57,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:57,299 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:24:57,300 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:24:57,300 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:24:57,300 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:24:57,300 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 10:24:57,300 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,300 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:24:57,300 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:24:57,300 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Lasso [2019-11-20 10:24:57,301 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:24:57,301 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:24:57,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:57,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:57,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:57,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:57,451 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:24:57,451 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,459 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:24:57,460 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 [2019-11-20 10:24:57,465 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 10:24:57,465 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,472 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:24:57,473 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 [2019-11-20 10:24:57,478 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 10:24:57,478 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_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,487 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:24:57,488 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 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,500 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 10:24:57,500 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 [2019-11-20 10:24:57,523 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 10:24:57,525 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:24:57,525 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:24:57,525 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:24:57,525 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:24:57,525 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 10:24:57,526 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,526 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:24:57,526 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:24:57,526 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Lasso [2019-11-20 10:24:57,526 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:24:57,526 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:24:57,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:57,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:57,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:57,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:57,651 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:24:57,651 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:57,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:57,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:24:57,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:24:57,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,666 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:57,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:24:57,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:24:57,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,690 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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 [2019-11-20 10:24:57,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:57,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:24:57,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:24:57,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:24:57,747 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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 [2019-11-20 10:24:57,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:57,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:57,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:24:57,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:24:57,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:57,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:57,770 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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 [2019-11-20 10:24:57,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:57,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:57,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,782 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:57,783 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:24:57,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:57,785 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:57,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,797 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:57,811 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:24:57,811 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,837 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 [2019-11-20 10:24:57,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:57,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,841 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:57,847 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:24:57,847 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:57,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:57,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,873 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:57,873 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:24:57,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,876 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:57,878 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:57,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:57,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,886 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:57,887 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:57,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,890 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:57,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,900 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:57,908 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:24:57,908 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,922 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:57,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,932 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:57,937 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:24:57,937 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,954 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:57,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:57,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,965 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:57,966 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:57,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:57,970 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:57,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:57,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,979 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:57,980 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:24:57,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:57,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:57,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:57,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:57,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:57,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:57,994 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:58,004 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:24:58,004 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:58,022 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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 [2019-11-20 10:24:58,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:58,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,032 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:58,043 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:24:58,043 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-20 10:24:58,062 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:58,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:58,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,078 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:58,079 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:24:58,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:58,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:58,088 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,095 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:58,095 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:24:58,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:58,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,096 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:58,097 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:24:58,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:58,102 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,111 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:58,111 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:24:58,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,112 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:58,118 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:24:58,118 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:58,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,143 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:58,143 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:24:58,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,143 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:58,147 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:24:58,147 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:58,184 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,193 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:58,193 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:24:58,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:58,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,194 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:58,194 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:24:58,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:58,198 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:58,200 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,207 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:58,207 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:24:58,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:58,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,208 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:58,209 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:58,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:58,213 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,222 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:58,222 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:24:58,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,223 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:58,231 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:24:58,231 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:58,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,271 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:58,271 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:24:58,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,271 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:58,277 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:24:58,277 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:58,392 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,401 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:58,401 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:24:58,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:58,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,402 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:58,403 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:58,403 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 [2019-11-20 10:24:58,408 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:58,410 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,417 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:58,418 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:24:58,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:58,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,418 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:58,420 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:24:58,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:58,426 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,435 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:58,436 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:24:58,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,436 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:58,446 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:24:58,446 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:58,486 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,496 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:58,496 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:24:58,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,496 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:58,506 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:24:58,506 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:58,822 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:58,830 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:58,831 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:24:58,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:58,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,831 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:58,833 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:24:58,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:58,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:58,846 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,854 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:58,854 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:24:58,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:58,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,854 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:58,856 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:58,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:58,859 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,868 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:58,868 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:24:58,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,869 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:58,877 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:24:58,878 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 [2019-11-20 10:24:58,898 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,910 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:58,910 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:24:58,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,910 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:58,915 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:24:58,915 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:58,936 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,949 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:58,949 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:24:58,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:58,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,950 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:58,952 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:58,952 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 [2019-11-20 10:24:58,956 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:58,957 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,965 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:58,965 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:24:58,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:58,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,966 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:24:58,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:24:58,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:58,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:58,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:58,986 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:58,986 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:24:58,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:58,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:58,987 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:24:58,999 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-20 10:24:58,999 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,041 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:59,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:59,050 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:59,050 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:24:59,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,051 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:24:59,059 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-20 10:24:59,060 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:59,154 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:59,155 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:24:59,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,155 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:24:59,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:24:59,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:59,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:59,164 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-11-20 10:24:59,165 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-11-20 10:24:59,165 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-11-20 10:24:59,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:24:59,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-11-20 10:24:59,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:24:59,166 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590367194] [2019-11-20 10:24:59,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:24:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:24:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:24:59,182 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:24:59,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:24:59,183 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-11-20 10:24:59,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:24:59,184 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925581433] [2019-11-20 10:24:59,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:24:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:24:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:24:59,200 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:24:59,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:24:59,201 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-11-20 10:24:59,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:24:59,201 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569332519] [2019-11-20 10:24:59,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:24:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:24:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:24:59,221 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:24:59,248 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:24:59,249 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:24:59,249 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:24:59,249 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:24:59,249 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 10:24:59,249 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,249 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:24:59,250 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:24:59,250 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Loop [2019-11-20 10:24:59,250 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:24:59,250 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:24:59,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:59,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:59,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:59,360 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:24:59,360 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,364 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:24:59,364 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 10:24:59,368 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 10:24:59,368 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,373 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:24:59,373 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,382 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 10:24:59,382 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 10:24:59,418 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 10:24:59,420 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:24:59,420 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:24:59,420 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:24:59,420 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:24:59,420 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 10:24:59,420 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,420 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:24:59,421 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:24:59,421 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Loop [2019-11-20 10:24:59,421 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:24:59,421 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:24:59,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:59,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:59,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:24:59,517 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:24:59,518 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:59,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:59,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:24:59,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:24:59,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:59,535 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:59,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:59,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:59,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:24:59,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:24:59,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:59,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:59,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:59,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:24:59,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:24:59,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,569 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:59,570 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:59,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:59,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:59,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,579 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:59,580 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:24:59,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,586 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:59,593 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 [2019-11-20 10:24:59,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:59,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,596 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:59,598 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:24:59,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,615 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 [2019-11-20 10:24:59,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:59,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,618 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:59,619 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:24:59,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:59,621 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:59,622 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:59,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:59,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,629 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:59,629 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:59,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:59,632 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:59,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:59,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,639 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:59,644 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:59,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:59,649 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:59,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:59,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,659 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:59,661 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:59,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:59,663 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:59,665 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:59,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:59,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,671 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:59,672 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:24:59,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:59,675 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:59,682 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 [2019-11-20 10:24:59,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:59,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,686 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:59,690 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:24:59,690 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 [2019-11-20 10:24:59,699 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:59,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:24:59,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,709 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:59,711 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:24:59,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:59,714 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:59,716 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:59,729 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:59,729 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:24:59,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,730 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:59,731 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:24:59,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:59,735 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:59,743 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 [2019-11-20 10:24:59,745 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:59,745 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:24:59,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,746 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:59,749 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:24:59,749 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 [2019-11-20 10:24:59,758 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:59,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,769 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:59,769 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:24:59,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,770 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:24:59,771 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:24:59,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:59,778 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:59,780 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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 [2019-11-20 10:24:59,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:59,791 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:59,791 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:24:59,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,792 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:59,793 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:59,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:59,796 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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 [2019-11-20 10:24:59,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:59,804 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:59,804 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:24:59,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,805 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:59,809 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:59,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:24:59,826 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:59,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:59,838 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:59,838 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:24:59,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,839 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:59,842 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:59,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:59,854 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:59,859 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 [2019-11-20 10:24:59,862 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:59,862 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:24:59,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,863 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:59,865 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:24:59,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,872 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:59,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:59,885 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:59,885 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:24:59,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,886 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:59,891 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:24:59,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:59,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:59,926 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:59,926 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:24:59,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,927 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:24:59,932 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:24:59,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,951 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:24:59,953 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:24:59,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:24:59,960 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:24:59,961 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:24:59,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:24:59,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:24:59,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:24:59,961 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:24:59,962 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:24:59,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:24:59,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:25:00,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,012 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:00,013 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:25:00,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:00,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,013 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:25:00,016 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:25:00,016 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 [2019-11-20 10:25:00,029 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:25:00,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,041 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:00,041 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:25:00,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:00,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,042 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:25:00,043 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:25:00,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,049 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:25:00,051 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:25:00,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,059 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:00,059 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:25:00,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:00,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,060 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:25:00,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:25:00,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,067 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:25:00,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,076 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:00,076 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:25:00,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:00,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,077 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:25:00,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:25:00,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,094 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:25:00,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,105 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:00,106 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:25:00,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:00,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,106 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:25:00,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:25:00,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,121 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:25:00,150 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:25:00,150 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:25:00,150 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:25:00,150 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:25:00,150 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 10:25:00,151 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,151 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:25:00,151 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:25:00,151 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Lasso [2019-11-20 10:25:00,151 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:25:00,151 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:25:00,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:25:00,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:25:00,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:25:00,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:25:00,252 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:25:00,252 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:25:00,257 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:25:00,257 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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 [2019-11-20 10:25:00,272 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 10:25:00,272 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 10:25:00,288 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 10:25:00,288 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=2} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=-1}, {ULTIMATE.start_main_~y~0=5}, {ULTIMATE.start_main_~y~0=-2}] Lambdas: [7, 2, 2] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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 [2019-11-20 10:25:00,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:25:00,293 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) Waiting until toolchain timeout for monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,301 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 10:25:00,301 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 10:25:00,318 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 10:25:00,320 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:25:00,320 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:25:00,320 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:25:00,320 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:25:00,320 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 10:25:00,321 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,321 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:25:00,321 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:25:00,321 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Lasso [2019-11-20 10:25:00,321 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:25:00,321 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:25:00,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:25:00,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:25:00,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:25:00,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:25:00,430 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:25:00,430 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) Waiting until toolchain timeout for monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:25:00,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:25:00,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:25:00,442 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:25:00,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) Waiting until toolchain timeout for monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:25:00,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:25:00,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:25:00,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:25:00,466 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:25:00,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:25:00,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:00,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:25:00,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:25:00,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,483 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:25:00,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:25:00,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:00,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:25:00,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:25:00,493 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 [2019-11-20 10:25:00,495 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:25:00,496 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:25:00,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:25:00,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,505 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:25:00,508 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:25:00,509 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/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) [2019-11-20 10:25:00,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:25:00,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,529 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:25:00,533 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:25:00,533 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,546 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:00,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:25:00,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:00,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,557 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:25:00,558 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:25:00,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:00,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:25:00,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:00,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,573 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:25:00,574 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:25:00,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,576 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:25:00,578 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:00,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:25:00,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,594 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:25:00,598 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:25:00,599 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,614 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:00,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:25:00,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,627 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:25:00,634 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:25:00,634 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,650 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:00,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:25:00,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:00,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,659 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:25:00,660 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:25:00,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,663 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:00,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:25:00,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:00,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,673 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:25:00,673 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:25:00,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,676 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:25:00,678 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:00,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:25:00,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,690 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:25:00,696 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:25:00,696 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,718 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:25:00,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,728 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:25:00,735 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:25:00,735 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-20 10:25:00,753 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:00,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:25:00,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:00,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,763 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:25:00,764 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:25:00,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:00,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:25:00,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:00,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,781 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:25:00,783 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:25:00,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,785 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:25:00,787 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:00,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,795 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:00,796 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:25:00,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,796 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:25:00,801 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:25:00,801 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,824 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:00,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,832 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:00,832 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:25:00,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,833 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:25:00,839 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:25:00,839 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:00,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,872 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:00,873 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:25:00,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:00,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,873 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:25:00,874 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:25:00,875 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:00,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,891 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:00,891 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:25:00,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:00,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,891 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:25:00,892 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:25:00,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:00,896 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:25:00,898 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:00,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:00,906 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:00,906 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:25:00,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:00,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:00,907 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:25:00,912 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:25:00,913 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:01,008 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:01,017 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 [2019-11-20 10:25:01,020 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:01,020 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:25:01,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:01,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:01,021 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:25:01,035 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. Waiting until toolchain timeout for monitored process 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:01,043 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 10:25:01,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:01,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:01,095 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:01,095 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:25:01,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:01,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:01,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:01,095 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:25:01,097 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:25:01,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:01,101 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:01,111 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:01,113 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:01,114 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:25:01,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:01,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:01,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:01,114 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:25:01,115 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:25:01,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:01,120 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:25:01,122 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:01,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:01,130 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:01,130 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:25:01,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:01,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:01,130 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:25:01,140 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:25:01,141 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:01,424 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:01,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:01,434 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:01,434 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:25:01,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:01,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:01,435 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:25:01,444 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:25:01,444 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:01,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:01,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:01,520 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:01,520 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:25:01,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:01,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:01,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:01,521 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:25:01,523 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:25:01,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:01,529 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:01,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:01,542 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:01,542 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:25:01,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:01,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:01,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:01,542 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:25:01,544 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:25:01,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:01,554 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:25:01,557 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:01,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:01,564 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:01,564 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:25:01,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:01,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:01,564 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:25:01,569 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:25:01,569 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:01,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:01,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:01,607 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:01,608 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:25:01,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:01,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:01,608 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:01,615 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:25:01,616 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 10:25:01,640 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:01,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:01,649 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:01,649 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:25:01,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:01,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:01,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:01,650 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:25:01,651 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:25:01,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:01,655 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:01,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:01,664 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:01,664 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:25:01,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:01,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:01,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:01,665 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:25:01,665 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:25:01,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:01,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:25:01,671 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:01,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:01,678 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:01,679 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:25:01,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:01,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:01,679 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:25:01,686 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-20 10:25:01,687 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-20 10:25:01,796 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:01,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:01,810 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:01,810 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:25:01,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:01,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:01,810 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:25:01,821 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-20 10:25:01,821 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:01,883 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:01,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:01,892 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:01,892 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:25:01,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:01,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:01,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:01,893 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:25:01,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:25:01,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:01,900 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3f394ed5-7c7f-4d27-8b38-c838d165ab84/bin/uautomizer/z3 Starting monitored process 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 10:25:01,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:25:01,914 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:25:01,914 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:25:01,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:25:01,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:25:01,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:25:01,915 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:25:01,916 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:25:01,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:25:01,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:25:01,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:25:01 BoogieIcfgContainer [2019-11-20 10:25:01,932 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 10:25:01,932 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:25:01,933 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:25:01,933 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:25:01,934 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:24:55" (3/4) ... [2019-11-20 10:25:01,938 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 10:25:01,938 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:25:01,940 INFO L168 Benchmark]: Toolchain (without parser) took 7123.79 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 304.1 MB). Free memory was 946.1 MB in the beginning and 892.2 MB in the end (delta: 53.8 MB). Peak memory consumption was 357.9 MB. Max. memory is 11.5 GB. [2019-11-20 10:25:01,942 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:25:01,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:25:01,944 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:25:01,944 INFO L168 Benchmark]: Boogie Preprocessor took 34.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:25:01,945 INFO L168 Benchmark]: RCFGBuilder took 255.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:25:01,945 INFO L168 Benchmark]: BuchiAutomizer took 6327.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 175.1 MB). Free memory was 1.1 GB in the beginning and 892.2 MB in the end (delta: 210.5 MB). Peak memory consumption was 412.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:25:01,945 INFO L168 Benchmark]: Witness Printer took 5.65 ms. Allocated memory is still 1.3 GB. Free memory is still 892.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:25:01,948 INFO L335 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 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 448.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 255.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6327.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 175.1 MB). Free memory was 1.1 GB in the beginning and 892.2 MB in the end (delta: 210.5 MB). Peak memory consumption was 412.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.65 ms. Allocated memory is still 1.3 GB. Free memory is still 892.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 6.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div386 bol100 ite100 ukn100 eq147 hnf51 smp92 dnf100 smp100 tf103 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 124ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" Loop: "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...