./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/Swingers.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/Swingers.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ff621535cb82838a5b388320305948f36878571d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:15:57,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:15:57,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:15:57,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:15:57,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:15:57,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:15:57,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:15:57,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:15:57,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:15:57,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:15:57,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:15:57,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:15:57,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:15:57,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:15:57,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:15:57,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:15:57,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:15:57,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:15:57,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:15:57,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:15:57,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:15:57,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:15:57,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:15:57,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:15:57,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:15:57,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:15:57,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:15:57,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:15:57,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:15:57,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:15:57,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:15:57,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:15:57,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:15:57,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:15:57,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:15:57,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:15:57,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:15:57,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:15:57,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:15:57,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:15:57,954 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:15:57,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 10:15:57,973 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:15:57,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:15:57,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:15:57,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:15:57,975 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:15:57,975 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 10:15:57,975 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 10:15:57,976 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 10:15:57,976 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 10:15:57,976 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 10:15:57,976 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 10:15:57,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:15:57,977 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:15:57,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:15:57,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:15:57,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 10:15:57,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 10:15:57,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 10:15:57,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:15:57,978 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 10:15:57,978 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:15:57,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 10:15:57,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:15:57,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:15:57,979 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 10:15:57,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:15:57,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:15:57,980 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 10:15:57,981 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 10:15:57,981 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_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff621535cb82838a5b388320305948f36878571d [2019-11-20 10:15:58,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:15:58,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:15:58,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:15:58,194 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:15:58,194 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:15:58,195 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/Swingers.c [2019-11-20 10:15:58,263 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/data/a9e902d00/b34572626312411da840b6f3866e99a9/FLAG67b890a9a [2019-11-20 10:15:58,723 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:15:58,724 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/sv-benchmarks/c/termination-restricted-15/Swingers.c [2019-11-20 10:15:58,730 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/data/a9e902d00/b34572626312411da840b6f3866e99a9/FLAG67b890a9a [2019-11-20 10:15:59,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/data/a9e902d00/b34572626312411da840b6f3866e99a9 [2019-11-20 10:15:59,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:15:59,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:15:59,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:15:59,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:15:59,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:15:59,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:15:59" (1/1) ... [2019-11-20 10:15:59,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64ea6714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:59, skipping insertion in model container [2019-11-20 10:15:59,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:15:59" (1/1) ... [2019-11-20 10:15:59,080 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:15:59,098 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:15:59,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:15:59,356 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:15:59,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:15:59,485 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:15:59,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:59 WrapperNode [2019-11-20 10:15:59,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:15:59,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:15:59,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:15:59,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:15:59,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:59" (1/1) ... [2019-11-20 10:15:59,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:59" (1/1) ... [2019-11-20 10:15:59,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:15:59,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:15:59,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:15:59,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:15:59,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:59" (1/1) ... [2019-11-20 10:15:59,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:59" (1/1) ... [2019-11-20 10:15:59,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:59" (1/1) ... [2019-11-20 10:15:59,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:59" (1/1) ... [2019-11-20 10:15:59,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:59" (1/1) ... [2019-11-20 10:15:59,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:59" (1/1) ... [2019-11-20 10:15:59,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:59" (1/1) ... [2019-11-20 10:15:59,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:15:59,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:15:59,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:15:59,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:15:59,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:15:59,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:15:59,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:15:59,822 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:15:59,822 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 10:15:59,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:15:59 BoogieIcfgContainer [2019-11-20 10:15:59,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:15:59,825 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 10:15:59,825 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 10:15:59,829 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 10:15:59,830 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:15:59,830 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:15:59" (1/3) ... [2019-11-20 10:15:59,831 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2eea7f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:15:59, skipping insertion in model container [2019-11-20 10:15:59,831 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:15:59,832 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:15:59" (2/3) ... [2019-11-20 10:15:59,832 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2eea7f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:15:59, skipping insertion in model container [2019-11-20 10:15:59,832 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:15:59,833 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:15:59" (3/3) ... [2019-11-20 10:15:59,834 INFO L371 chiAutomizerObserver]: Analyzing ICFG Swingers.c [2019-11-20 10:15:59,886 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 10:15:59,887 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 10:15:59,887 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 10:15:59,887 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:15:59,887 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:15:59,887 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 10:15:59,887 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:15:59,888 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 10:15:59,904 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-20 10:15:59,927 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 10:15:59,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:15:59,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:15:59,935 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 10:15:59,935 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 10:15:59,936 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 10:15:59,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-11-20 10:15:59,937 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 10:15:59,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:15:59,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:15:59,937 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 10:15:59,938 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 10:15:59,947 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~bob~0, main_~samantha~0, main_~temp~0;havoc main_~bob~0;havoc main_~samantha~0;havoc main_~temp~0;main_~bob~0 := 13;main_~samantha~0 := 17; 3#L12-2true [2019-11-20 10:15:59,947 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~bob~0 + main_~samantha~0 < 100);main_~temp~0 := main_~bob~0;main_~bob~0 := main_~samantha~0;main_~samantha~0 := main_~temp~0; 3#L12-2true [2019-11-20 10:15:59,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:15:59,955 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-20 10:15:59,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:15:59,966 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356152876] [2019-11-20 10:15:59,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:16:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:16:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:16:00,076 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:16:00,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:16:00,077 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-11-20 10:16:00,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:16:00,078 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147215358] [2019-11-20 10:16:00,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:16:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:16:00,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:16:00,094 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:16:00,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:16:00,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-20 10:16:00,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:16:00,097 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972888124] [2019-11-20 10:16:00,097 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:16:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:16:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:16:00,113 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:16:00,206 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:16:00,207 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:16:00,207 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:16:00,207 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:16:00,208 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 10:16:00,208 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:00,208 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:16:00,208 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:16:00,209 INFO L133 ssoRankerPreferences]: Filename of dumped script: Swingers.c_Iteration1_Lasso [2019-11-20 10:16:00,209 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:16:00,209 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:16:00,236 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 10:16:00,247 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 10:16:00,265 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 10:16:00,301 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 10:16:00,471 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:16:00,472 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:00,479 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:16:00,480 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 10:16:00,489 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 10:16:00,489 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:00,496 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:16:00,496 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 10:16:00,506 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 10:16:00,506 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_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:00,513 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:16:00,514 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:00,548 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 10:16:00,548 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 10:16:01,663 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 10:16:01,665 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:16:01,666 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:16:01,666 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:16:01,666 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:16:01,666 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 10:16:01,666 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:01,666 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:16:01,666 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:16:01,667 INFO L133 ssoRankerPreferences]: Filename of dumped script: Swingers.c_Iteration1_Lasso [2019-11-20 10:16:01,667 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:16:01,667 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:16:01,670 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 10:16:01,683 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 10:16:01,720 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 10:16:01,726 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 10:16:01,844 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:16:01,849 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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) [2019-11-20 10:16:01,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:01,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:01,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:01,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:01,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:16:01,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:16:01,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:01,879 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:01,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:01,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:01,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:01,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:01,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:16:01,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:16:01,913 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:16:01,931 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:01,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:01,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:01,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:16:01,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:01,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:01,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:16:01,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:16:01,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:16:01,947 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:01,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:01,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:01,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:01,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:01,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:01,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:16:01,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:16:01,974 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:16:01,978 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:01,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:01,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:01,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:01,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:01,989 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:16:01,993 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:16:01,993 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-20 10:16:02,002 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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) [2019-11-20 10:16:02,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:02,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:02,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,025 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:02,043 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:16:02,044 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-20 10:16:02,062 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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) [2019-11-20 10:16:02,075 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 10:16:02,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:02,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:16:02,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,079 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:16:02,080 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:16:02,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:02,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:02,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:16:02,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:02,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,099 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:16:02,107 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:16:02,108 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:02,116 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:16:02,118 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:02,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:02,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:02,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,134 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:02,141 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:16:02,141 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 10:16:02,150 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:02,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:02,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:02,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,176 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:02,198 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:16:02,198 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 10:16:02,218 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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) [2019-11-20 10:16:02,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:02,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:02,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:16:02,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,239 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:02,240 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:16:02,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:02,244 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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) [2019-11-20 10:16:02,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:02,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:02,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,268 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:02,276 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:16:02,276 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:02,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:16:02,287 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:02,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:16:02,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:02,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,303 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:16:02,308 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:16:02,309 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-20 10:16:02,318 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:02,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:02,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:02,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,336 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:16:02,353 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:16:02,353 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-20 10:16:02,382 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:02,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:02,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:02,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:16:02,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,412 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:16:02,415 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:16:02,415 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 10:16:02,419 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:02,431 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 10:16:02,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:02,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,435 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:16:02,441 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:16:02,441 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-20 10:16:02,452 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:16:02,454 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:02,463 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 10:16:02,466 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:02,466 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:16:02,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,467 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:16:02,471 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:16:02,471 INFO L402 nArgumentSynthesizer]: A total of 3 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 10:16:02,483 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:02,490 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 10:16:02,493 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:02,493 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:16:02,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,494 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:16:02,504 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:16:02,504 INFO L402 nArgumentSynthesizer]: A total of 3 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 10:16:02,526 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:02,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:02,536 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:02,536 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:16:02,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:16:02,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,537 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:16:02,538 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:16:02,538 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 10:16:02,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:02,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:02,554 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:02,555 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:16:02,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,555 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:16:02,559 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:16:02,559 INFO L402 nArgumentSynthesizer]: A total of 3 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 10:16:02,568 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:16:02,570 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:02,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:02,582 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:02,583 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:16:02,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,583 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:02,588 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:16:02,589 INFO L402 nArgumentSynthesizer]: A total of 4 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 10:16:02,599 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:02,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:16:02,610 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:02,611 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:16:02,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,611 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:02,625 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:16:02,625 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 10:16:02,655 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:02,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:16:02,667 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:02,667 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:16:02,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:16:02,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,668 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:02,669 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:16:02,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:16:02,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:02,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:02,684 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:02,684 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:16:02,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,684 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:02,688 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:16:02,688 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 10:16:02,698 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:16:02,700 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:02,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:16:02,716 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:02,716 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:16:02,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,717 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:16:02,724 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:16:02,724 INFO L402 nArgumentSynthesizer]: A total of 5 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 10:16:02,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:02,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:02,752 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:02,752 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:16:02,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,753 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:02,771 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:16:02,771 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-20 10:16:02,815 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:02,851 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 10:16:02,854 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:02,855 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:16:02,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:16:02,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,855 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:16:02,857 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:16:02,858 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 10:16:02,864 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:02,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:16:02,879 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:02,879 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:16:02,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,880 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:16:02,890 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:16:02,890 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:02,910 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:16:02,912 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:02,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:16:02,921 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:02,921 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:16:02,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,922 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:02,924 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:16:02,925 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-20 10:16:02,931 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:02,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:02,948 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:02,948 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:16:02,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,949 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:02,960 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:16:02,960 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:02,986 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:02,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:02,998 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:02,998 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:16:02,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:16:02,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:02,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:02,999 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:03,000 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:16:03,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:03,004 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:03,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:03,014 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:03,014 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:16:03,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:03,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:03,015 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:03,021 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:16:03,022 INFO L402 nArgumentSynthesizer]: A total of 4 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 10:16:03,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:16:03,037 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:03,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:03,054 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:03,054 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:16:03,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:03,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:03,055 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:16:03,060 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-20 10:16:03,061 INFO L402 nArgumentSynthesizer]: A total of 6 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 10:16:03,072 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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) [2019-11-20 10:16:03,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:03,087 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:03,087 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:16:03,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:03,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:03,088 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:03,103 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-20 10:16:03,103 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-20 10:16:03,146 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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) [2019-11-20 10:16:03,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:16:03,158 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:03,158 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:16:03,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:16:03,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:03,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:03,159 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:16:03,161 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:16:03,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:03,165 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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) [2019-11-20 10:16:03,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:03,175 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:03,175 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:16:03,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:03,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:03,176 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:16:03,181 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-20 10:16:03,182 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:03,194 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:16:03,196 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-11-20 10:16:03,196 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~bob~0, main_~samantha~0, main_~temp~0;havoc main_~bob~0;havoc main_~samantha~0;havoc main_~temp~0;main_~bob~0 := 13;main_~samantha~0 := 17; 3#L12-2true assume !!(main_~bob~0 + main_~samantha~0 < 100);main_~temp~0 := main_~bob~0;main_~bob~0 := main_~samantha~0;main_~samantha~0 := main_~temp~0; 3#L12-2true [2019-11-20 10:16:03,197 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~bob~0 + main_~samantha~0 < 100);main_~temp~0 := main_~bob~0;main_~bob~0 := main_~samantha~0;main_~samantha~0 := main_~temp~0; 3#L12-2true [2019-11-20 10:16:03,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:16:03,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-11-20 10:16:03,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:16:03,198 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765925861] [2019-11-20 10:16:03,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:16:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:16:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:16:03,210 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:16:03,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:16:03,210 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-11-20 10:16:03,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:16:03,211 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729860005] [2019-11-20 10:16:03,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:16:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:16:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:16:03,225 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:16:03,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:16:03,226 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-11-20 10:16:03,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:16:03,227 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084800095] [2019-11-20 10:16:03,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:16:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:16:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:16:03,262 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:16:03,336 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:16:03,336 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:16:03,336 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:16:03,337 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:16:03,337 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 10:16:03,337 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:03,337 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:16:03,337 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:16:03,337 INFO L133 ssoRankerPreferences]: Filename of dumped script: Swingers.c_Iteration1_Lasso [2019-11-20 10:16:03,337 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:16:03,337 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:16:03,340 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 10:16:03,344 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 10:16:03,347 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 10:16:03,351 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 10:16:03,471 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:16:03,472 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:03,479 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:16:03,480 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:03,485 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 10:16:03,485 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:03,495 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:16:03,496 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:03,500 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 10:16:03,501 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_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:03,508 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:16:03,508 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:03,513 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 10:16:03,513 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:03,523 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:16:03,524 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:03,539 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 10:16:03,540 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:15,588 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-11-20 10:16:15,591 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:16:15,591 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:16:15,591 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:16:15,591 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:16:15,591 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 10:16:15,591 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:15,592 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:16:15,592 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:16:15,592 INFO L133 ssoRankerPreferences]: Filename of dumped script: Swingers.c_Iteration1_Lasso [2019-11-20 10:16:15,592 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:16:15,592 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:16:15,594 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 10:16:15,602 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 10:16:15,604 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 10:16:15,614 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 10:16:15,761 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:16:15,761 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:15,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:15,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:15,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:15,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:15,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:16:15,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:16:15,770 INFO L402 nArgumentSynthesizer]: A total of 2 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 10:16:15,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:15,779 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 10:16:15,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:15,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:16:15,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:15,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:15,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:16:15,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:16:15,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:16:15,784 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:15,793 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 10:16:15,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:15,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:15,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:15,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:16:15,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:16:15,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 10:16:15,799 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:15,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:15,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:15,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:15,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:15,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:16:15,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:16:15,816 INFO L402 nArgumentSynthesizer]: A total of 2 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 10:16:15,826 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:16:15,827 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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) [2019-11-20 10:16:15,835 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 10:16:15,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:15,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:15,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:15,837 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:16:15,839 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:16:15,839 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:15,844 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:15,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:15,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:15,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:16:15,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:15,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:15,863 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:16:15,864 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:16:15,864 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 10:16:15,866 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:15,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:15,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:15,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:15,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:15,876 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:16:15,878 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:16:15,878 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-20 10:16:15,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:15,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:15,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:15,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:15,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:15,890 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:16:15,901 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:16:15,902 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-20 10:16:15,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:16:15,915 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:15,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:15,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:15,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:15,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:15,929 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:15,932 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:16:15,932 INFO L402 nArgumentSynthesizer]: A total of 4 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 10:16:15,938 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:15,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:15,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:15,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:16:15,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:15,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:15,945 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:15,945 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:16:15,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:16:15,947 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:15,958 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 10:16:15,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:15,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:15,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:15,960 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:15,962 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:16:15,962 INFO L402 nArgumentSynthesizer]: A total of 4 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 10:16:15,968 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:15,976 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 10:16:15,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:15,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:15,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:15,979 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:15,987 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:16:15,988 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 10:16:16,002 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:16:16,004 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:16,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:16,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,013 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:16:16,016 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:16:16,016 INFO L402 nArgumentSynthesizer]: A total of 5 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 10:16:16,023 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:16,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:16,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:16:16,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,033 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:16:16,034 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:16:16,034 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 10:16:16,036 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:16,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:16,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,046 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:16:16,049 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:16:16,049 INFO L402 nArgumentSynthesizer]: A total of 5 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 10:16:16,056 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:16,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:16:16,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,067 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:16:16,078 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:16:16,078 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 10:16:16,099 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:16:16,100 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:16,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,109 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,109 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:16:16,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,110 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:16:16,112 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:16:16,112 INFO L402 nArgumentSynthesizer]: A total of 3 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 10:16:16,117 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:16,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:16:16,128 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,128 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:16:16,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:16:16,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,129 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:16:16,129 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-20 10:16:16,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:16,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:16,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,139 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,140 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:16:16,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,140 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:16:16,142 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:16:16,142 INFO L402 nArgumentSynthesizer]: A total of 3 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 10:16:16,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:16,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:16:16,160 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,160 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:16:16,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,161 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-20 10:16:16,168 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-20 10:16:16,168 INFO L402 nArgumentSynthesizer]: A total of 3 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 10:16:16,186 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:16:16,188 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:16,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,197 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,198 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:16:16,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,198 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:16,201 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:16:16,202 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 10:16:16,209 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:16,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,216 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,217 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:16:16,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:16:16,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,217 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:16,218 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:16:16,218 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 10:16:16,222 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:16,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,233 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,233 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:16:16,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,234 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:16,237 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:16:16,237 INFO L402 nArgumentSynthesizer]: A total of 4 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 10:16:16,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:16,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:16:16,253 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,253 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-11-20 10:16:16,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,254 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:16,262 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:16:16,262 INFO L402 nArgumentSynthesizer]: A total of 4 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 10:16:16,294 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:16:16,296 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:16,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 10:16:16,305 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,305 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:16:16,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,306 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:16:16,309 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:16:16,309 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:16,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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) [2019-11-20 10:16:16,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,329 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,330 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:16:16,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:16:16,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,330 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:16:16,331 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-20 10:16:16,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 10:16:16,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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) [2019-11-20 10:16:16,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,370 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,370 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:16:16,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,370 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:16:16,374 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:16:16,374 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:16,387 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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) [2019-11-20 10:16:16,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,399 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,399 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:16:16,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,400 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-20 10:16:16,409 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-20 10:16:16,409 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:16,444 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:16:16,446 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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) [2019-11-20 10:16:16,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,456 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,456 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:16:16,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,456 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:16,459 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:16:16,459 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:16,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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) [2019-11-20 10:16:16,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,475 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,476 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:16:16,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:16:16,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,476 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:16,477 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-20 10:16:16,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:16,479 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:16,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,489 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,490 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:16:16,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,490 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:16,492 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:16:16,492 INFO L402 nArgumentSynthesizer]: A total of 4 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 10:16:16,498 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:16,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,506 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,506 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-11-20 10:16:16,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,506 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-20 10:16:16,513 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-20 10:16:16,513 INFO L402 nArgumentSynthesizer]: A total of 4 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 10:16:16,539 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:16:16,540 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:16,547 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 10:16:16,549 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,549 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:16:16,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,550 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:16:16,554 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-20 10:16:16,554 INFO L402 nArgumentSynthesizer]: A total of 6 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 10:16:16,562 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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 10:16:16,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,569 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,570 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:16:16,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:16:16,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,570 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:16:16,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 10:16:16,571 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 10:16:16,575 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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) [2019-11-20 10:16:16,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,584 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,585 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:16:16,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,585 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:16:16,588 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-20 10:16:16,588 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:16,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9323664a-b26d-4826-a8c4-d6beca50037a/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) [2019-11-20 10:16:16,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 10:16:16,605 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-20 10:16:16,605 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-11-20 10:16:16,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:16:16,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:16:16,606 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-20 10:16:16,617 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-20 10:16:16,617 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:16:16,671 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-20 10:16:16,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:16:16 BoogieIcfgContainer [2019-11-20 10:16:16,680 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 10:16:16,680 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:16:16,680 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:16:16,680 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:16:16,681 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:15:59" (3/4) ... [2019-11-20 10:16:16,686 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 10:16:16,686 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:16:16,688 INFO L168 Benchmark]: Toolchain (without parser) took 17624.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -154.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:16:16,688 INFO L168 Benchmark]: CDTParser took 0.29 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 10:16:16,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -194.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:16:16,689 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.21 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 10:16:16,689 INFO L168 Benchmark]: Boogie Preprocessor took 25.14 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 10:16:16,691 INFO L168 Benchmark]: RCFGBuilder took 255.94 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:16:16,694 INFO L168 Benchmark]: BuchiAutomizer took 16855.19 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 33.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.4 MB). Peak memory consumption was 249.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:16:16,694 INFO L168 Benchmark]: Witness Printer took 6.05 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 10:16:16,696 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 434.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -194.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.21 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. * Boogie Preprocessor took 25.14 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 255.94 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 16855.19 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 33.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.4 MB). Peak memory consumption was 249.2 MB. Max. memory is 11.5 GB. * Witness Printer took 6.05 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. * 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 16.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 16.7s. 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: inital25 mio100 ax148 hnf100 lsp67 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq196 hnf87 smp100 dnf100 smp100 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 21ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_~bob~0, main_~samantha~0, main_~temp~0;havoc main_~bob~0;havoc main_~samantha~0;havoc main_~temp~0;main_~bob~0 := 13;main_~samantha~0 := 17;" "assume !!(main_~bob~0 + main_~samantha~0 < 100);main_~temp~0 := main_~bob~0;main_~bob~0 := main_~samantha~0;main_~samantha~0 := main_~temp~0;" Loop: "assume !!(main_~bob~0 + main_~samantha~0 < 100);main_~temp~0 := main_~bob~0;main_~bob~0 := main_~samantha~0;main_~samantha~0 := main_~temp~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...