./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_1-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6cd948af0e0b6c8603db03ff6e3dfbac759cb557 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:06:05,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:06:05,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:06:05,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:06:05,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:06:05,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:06:05,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:06:05,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:06:05,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:06:05,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:06:05,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:06:05,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:06:05,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:06:05,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:06:05,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:06:05,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:06:05,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:06:05,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:06:05,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:06:05,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:06:05,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:06:05,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:06:05,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:06:05,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:06:05,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:06:05,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:06:05,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:06:05,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:06:05,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:06:05,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:06:05,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:06:05,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:06:05,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:06:05,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:06:05,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:06:05,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:06:05,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:06:05,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:06:05,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:06:05,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:06:05,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:06:05,851 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 15:06:05,862 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:06:05,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:06:05,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:06:05,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:06:05,863 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:06:05,863 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 15:06:05,863 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 15:06:05,864 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 15:06:05,864 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 15:06:05,864 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 15:06:05,864 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 15:06:05,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:06:05,864 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:06:05,864 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:06:05,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:06:05,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:06:05,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:06:05,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 15:06:05,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 15:06:05,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 15:06:05,865 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:06:05,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:06:05,865 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 15:06:05,865 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:06:05,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 15:06:05,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:06:05,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:06:05,866 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 15:06:05,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:06:05,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:06:05,866 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:06:05,866 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 15:06:05,867 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 15:06:05,867 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_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cd948af0e0b6c8603db03ff6e3dfbac759cb557 [2019-12-07 15:06:05,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:06:05,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:06:05,977 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:06:05,978 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:06:05,978 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:06:05,979 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_1-2.c [2019-12-07 15:06:06,016 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/data/a57c7752f/8f904d877d3a4b6cbf02c10bcb374139/FLAG2fed5e905 [2019-12-07 15:06:06,485 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:06:06,486 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/sv-benchmarks/c/loop-acceleration/underapprox_1-2.c [2019-12-07 15:06:06,490 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/data/a57c7752f/8f904d877d3a4b6cbf02c10bcb374139/FLAG2fed5e905 [2019-12-07 15:06:06,498 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/data/a57c7752f/8f904d877d3a4b6cbf02c10bcb374139 [2019-12-07 15:06:06,500 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:06:06,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:06:06,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:06:06,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:06:06,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:06:06,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:06:06" (1/1) ... [2019-12-07 15:06:06,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b41abc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:06:06, skipping insertion in model container [2019-12-07 15:06:06,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:06:06" (1/1) ... [2019-12-07 15:06:06,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:06:06,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:06:06,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:06:06,620 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:06:06,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:06:06,669 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:06:06,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:06:06 WrapperNode [2019-12-07 15:06:06,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:06:06,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:06:06,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:06:06,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:06:06,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:06:06" (1/1) ... [2019-12-07 15:06:06,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:06:06" (1/1) ... [2019-12-07 15:06:06,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:06:06,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:06:06,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:06:06,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:06:06,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:06:06" (1/1) ... [2019-12-07 15:06:06,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:06:06" (1/1) ... [2019-12-07 15:06:06,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:06:06" (1/1) ... [2019-12-07 15:06:06,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:06:06" (1/1) ... [2019-12-07 15:06:06,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:06:06" (1/1) ... [2019-12-07 15:06:06,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:06:06" (1/1) ... [2019-12-07 15:06:06,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:06:06" (1/1) ... [2019-12-07 15:06:06,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:06:06,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:06:06,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:06:06,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:06:06,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:06:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:06,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:06:06,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:06:06,839 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:06:06,840 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 15:06:06,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:06:06 BoogieIcfgContainer [2019-12-07 15:06:06,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:06:06,841 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 15:06:06,841 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 15:06:06,843 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 15:06:06,844 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:06:06,844 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 03:06:06" (1/3) ... [2019-12-07 15:06:06,844 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@639d63a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:06:06, skipping insertion in model container [2019-12-07 15:06:06,845 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:06:06,845 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:06:06" (2/3) ... [2019-12-07 15:06:06,845 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@639d63a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:06:06, skipping insertion in model container [2019-12-07 15:06:06,845 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:06:06,845 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:06:06" (3/3) ... [2019-12-07 15:06:06,846 INFO L371 chiAutomizerObserver]: Analyzing ICFG underapprox_1-2.c [2019-12-07 15:06:06,874 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 15:06:06,874 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 15:06:06,874 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 15:06:06,874 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:06:06,875 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:06:06,875 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 15:06:06,875 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:06:06,875 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 15:06:06,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-12-07 15:06:06,896 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 15:06:06,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:06:06,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:06:06,900 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 15:06:06,900 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 15:06:06,900 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 15:06:06,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-12-07 15:06:06,901 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 15:06:06,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:06:06,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:06:06,901 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 15:06:06,901 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 15:06:06,906 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 6#L14-2true [2019-12-07 15:06:06,907 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-12-07 15:06:06,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:06:06,910 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-12-07 15:06:06,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:06:06,916 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041377109] [2019-12-07 15:06:06,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:06:06,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:06:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:06:06,976 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:06:06,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:06:06,977 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-12-07 15:06:06,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:06:06,977 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513724018] [2019-12-07 15:06:06,977 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:06:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:06:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:06:06,988 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:06:06,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:06:06,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-12-07 15:06:06,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:06:06,989 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485506720] [2019-12-07 15:06:06,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:06:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:06:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:06:06,998 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:06:07,027 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:06:07,027 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:06:07,027 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:06:07,027 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:06:07,027 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:06:07,028 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,028 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:06:07,028 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:06:07,028 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Loop [2019-12-07 15:06:07,028 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:06:07,028 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:06:07,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:07,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:07,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:07,127 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:06:07,127 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:07,132 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:06:07,132 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:06:07,139 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:06:07,139 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:07,143 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:06:07,143 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:06:07,146 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:06:07,146 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:07,149 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:06:07,150 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,156 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:06:07,156 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:06:07,169 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:06:07,170 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:06:07,170 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:06:07,170 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:06:07,170 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:06:07,170 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:06:07,170 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,171 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:06:07,171 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:06:07,171 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Loop [2019-12-07 15:06:07,171 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:06:07,171 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:06:07,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:07,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:07,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:07,227 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:06:07,231 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,235 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 [2019-12-07 15:06:07,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:06:07,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:06:07,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,242 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:07,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:06:07,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:06:07,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,250 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:07,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:06:07,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:06:07,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,258 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:07,259 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,266 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:07,268 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:07,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:07,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,275 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:07,276 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:07,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,283 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:07,284 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:07,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,287 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:07,288 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,293 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:07,294 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:07,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,301 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:07,302 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:07,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,304 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:07,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,310 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:07,313 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:07,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,317 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:07,318 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,322 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:07,324 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:07,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,326 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,331 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 [2019-12-07 15:06:07,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,333 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:07,334 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:07,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,342 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:07,345 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:07,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:07,350 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:07,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,354 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:07,354 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:07,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,355 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:07,357 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:07,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,361 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:07,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,366 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:07,366 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:07,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,367 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:07,368 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:07,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,377 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:07,377 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:07,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,377 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:07,380 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:07,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,386 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:07,387 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:07,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,392 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:07,392 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:06:07,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,393 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:07,396 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:07,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,404 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,411 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:07,411 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:06:07,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,411 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:07,413 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:07,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,417 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,423 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:07,423 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:06:07,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,423 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:07,426 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:07,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,435 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:07,436 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,441 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:07,441 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:07,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,442 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:07,447 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:07,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,467 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:07,467 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:07,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,468 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:07,470 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:07,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,476 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,482 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:07,482 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:07,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,483 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:07,486 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:07,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,501 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:07,502 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,507 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:07,507 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:07,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,508 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:07,509 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:07,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,513 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:07,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,518 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:07,518 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:07,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,519 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:07,519 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:07,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,521 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:07,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,526 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:07,526 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:07,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,527 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:07,530 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:07,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,534 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:07,535 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,540 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:07,540 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:07,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,541 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:06:07,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:06:07,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,555 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:07,555 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:07,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,555 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:06:07,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:06:07,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,560 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,566 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:07,566 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:07,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,566 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:06:07,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:06:07,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,577 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:07,585 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:06:07,585 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:06:07,585 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:06:07,585 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:06:07,585 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:06:07,586 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,586 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:06:07,586 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:06:07,586 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Lasso [2019-12-07 15:06:07,586 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:06:07,586 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:06:07,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:07,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:07,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:07,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:07,650 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:06:07,650 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,653 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:06:07,653 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:06:07,656 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:06:07,656 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:07,659 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:06:07,659 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:06:07,662 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:06:07,662 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_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,673 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:06:07,673 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,680 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:06:07,680 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:06:07,691 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:06:07,692 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:06:07,692 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:06:07,692 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:06:07,692 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:06:07,692 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:06:07,692 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,692 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:06:07,692 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:06:07,692 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Lasso [2019-12-07 15:06:07,692 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:06:07,692 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:06:07,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:07,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:07,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:07,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:07,752 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:06:07,752 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:06:07,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:06:07,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,758 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:06:07,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:06:07,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:06:07,770 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:06:07,778 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:06:07,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:06:07,782 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:06:07,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:06:07,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,789 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:07,790 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,793 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 [2019-12-07 15:06:07,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,795 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:07,795 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:07,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,797 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,802 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:07,804 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:06:07,804 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:06:07,810 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,816 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:07,818 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:06:07,818 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:06:07,825 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,830 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:07,830 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:07,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,832 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:07,832 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,838 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:07,838 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:07,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,845 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:07,848 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:06:07,848 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:06:07,856 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,860 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 [2019-12-07 15:06:07,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,862 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:07,864 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:06:07,864 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:06:07,875 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:07,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,880 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:07,881 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:07,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,883 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:07,883 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:07,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,889 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:07,889 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:07,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,891 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,895 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 [2019-12-07 15:06:07,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,897 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:07,901 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:06:07,901 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:06:07,914 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,919 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:07,922 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:06:07,923 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:06:07,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:07,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,943 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:07,944 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:07,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:07,946 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:07,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,950 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:07,950 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:07,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:07,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,950 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:07,951 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:07,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:07,953 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:07,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,957 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:07,958 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:07,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,958 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:07,960 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:06:07,961 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:06:07,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:07,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:07,974 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:07,974 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:07,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:07,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:07,974 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:07,977 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:06:07,977 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:06:07,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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 [2019-12-07 15:06:07,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,001 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,001 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:08,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,001 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:08,002 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:08,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,003 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:08,004 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,008 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,008 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:06:08,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,009 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:08,009 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:08,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,011 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,016 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,016 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:06:08,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,016 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:08,020 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:06:08,020 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:06:08,037 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,042 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,042 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:06:08,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,042 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:08,045 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:06:08,045 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:06:08,105 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,110 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,110 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:06:08,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,111 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:08,112 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:08,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:08,115 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,120 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,120 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:08,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,120 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:08,121 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:08,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,124 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,129 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,129 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:08,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,129 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:08,134 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:06:08,134 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:06:08,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,162 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,162 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:08,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,162 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:08,166 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:06:08,166 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:06:08,325 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,331 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,331 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:08,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,331 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:08,332 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:08,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:08,338 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,342 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,343 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:08,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,343 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:08,344 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:08,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,346 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,351 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,351 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:08,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,352 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:08,356 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:06:08,356 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:06:08,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,375 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,375 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:08,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,375 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:08,378 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:06:08,378 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:06:08,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,396 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 [2019-12-07 15:06:08,397 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,398 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:08,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,398 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:08,398 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:08,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:08,402 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,406 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,406 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:08,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,407 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:06:08,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:06:08,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,409 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,415 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,415 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:08,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,415 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:06:08,420 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 15:06:08,420 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 15:06:08,444 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,450 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,450 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:08,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,450 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:06:08,454 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 15:06:08,454 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 15:06:08,514 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,520 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,520 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:08,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,521 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:06:08,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:06:08,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,524 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:08,526 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-12-07 15:06:08,526 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-12-07 15:06:08,526 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-12-07 15:06:08,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:06:08,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-12-07 15:06:08,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:06:08,527 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528398231] [2019-12-07 15:06:08,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:06:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:06:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:06:08,533 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:06:08,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:06:08,533 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-12-07 15:06:08,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:06:08,534 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557226209] [2019-12-07 15:06:08,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:06:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:06:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:06:08,539 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:06:08,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:06:08,539 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-12-07 15:06:08,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:06:08,539 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646446938] [2019-12-07 15:06:08,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:06:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:06:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:06:08,548 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:06:08,560 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:06:08,560 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:06:08,560 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:06:08,560 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:06:08,560 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:06:08,560 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,561 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:06:08,561 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:06:08,561 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Loop [2019-12-07 15:06:08,561 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:06:08,561 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:06:08,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:08,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:08,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:08,602 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:06:08,602 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,605 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:06:08,605 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:06:08,608 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:06:08,608 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:06:08,613 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,620 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:06:08,620 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:06:08,642 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:06:08,643 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:06:08,643 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:06:08,643 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:06:08,643 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:06:08,643 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:06:08,643 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,643 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:06:08,644 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:06:08,644 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Loop [2019-12-07 15:06:08,644 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:06:08,644 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:06:08,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:08,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:08,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:08,685 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:06:08,685 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:08,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:06:08,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:06:08,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,695 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:08,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:06:08,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:06:08,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,703 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/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) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,719 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:08,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:06:08,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:06:08,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,721 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:08,722 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:08,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,727 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:08,727 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:08,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,728 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:08,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,733 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:08,734 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:08,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,737 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:08,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,742 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:08,742 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:08,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,743 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:08,745 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:08,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,749 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:08,749 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:08,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,751 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:08,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,756 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:08,757 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:08,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,759 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:08,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,766 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:08,766 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:08,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:08,769 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:08,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,774 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:08,774 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:08,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,776 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,779 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 [2019-12-07 15:06:08,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:08,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,781 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:08,782 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:08,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,785 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:08,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,790 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:08,791 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:08,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,793 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:08,794 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,798 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,798 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:08,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,799 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:08,799 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:08,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,801 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,806 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,806 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:08,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,806 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:08,807 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:08,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,816 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,816 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:08,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,816 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:08,817 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:08,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,820 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:08,821 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,824 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,824 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:06:08,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,825 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:08,825 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:08,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,828 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,833 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,833 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:06:08,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,834 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:08,835 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:08,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,842 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,848 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,848 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:06:08,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,848 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:08,849 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:08,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,854 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:08,855 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,859 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,859 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:08,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,860 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:08,860 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:08,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,864 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,870 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,870 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:08,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,870 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:08,872 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:08,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,887 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,893 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,893 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:08,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,894 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:08,895 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:08,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,907 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:08,908 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,912 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,912 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:08,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,912 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:08,913 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:08,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,915 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,920 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,920 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:08,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,920 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:08,921 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:08,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,925 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,930 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,930 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:08,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,930 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:08,931 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:08,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,935 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:08,936 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,940 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,940 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:08,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,940 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:06:08,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:06:08,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,943 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,948 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,948 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:08,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,949 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:06:08,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:06:08,950 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,959 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:08,964 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:08,964 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:08,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:08,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:08,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:08,965 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:06:08,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:06:08,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:08,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:08,987 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:06:08,987 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:06:08,988 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:06:08,988 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:06:08,988 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:06:08,988 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:08,988 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:06:08,988 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:06:08,988 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Lasso [2019-12-07 15:06:08,988 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:06:08,988 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:06:08,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:08,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:08,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:08,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:09,038 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:06:09,038 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,040 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:06:09,040 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,046 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:06:09,046 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:06:09,062 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:06:09,062 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=2} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=-1}, {ULTIMATE.start_main_~y~0=5}, {ULTIMATE.start_main_~y~0=-2}] Lambdas: [7, 2, 2] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,066 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:06:09,066 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:06:09,072 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:06:09,080 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:06:09,081 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:06:09,081 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:06:09,081 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:06:09,081 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:06:09,081 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:06:09,081 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,081 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:06:09,081 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:06:09,081 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Lasso [2019-12-07 15:06:09,082 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:06:09,082 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:06:09,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:09,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:09,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:09,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:06:09,135 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:06:09,135 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,138 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 [2019-12-07 15:06:09,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:09,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:06:09,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:06:09,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:06:09,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:09,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:06:09,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:06:09,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:06:09,155 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,158 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 [2019-12-07 15:06:09,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:09,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:09,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:06:09,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:06:09,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:09,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:09,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:09,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:06:09,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:06:09,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:09,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:09,169 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,172 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 [2019-12-07 15:06:09,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:09,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,173 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:09,175 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:06:09,175 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:06:09,180 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:09,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,186 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:09,188 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:06:09,188 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:06:09,196 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:09,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:09,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,201 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:09,202 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:09,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:09,203 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:09,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:09,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,207 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:09,208 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:09,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:09,209 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:09,209 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:09,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,214 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:09,215 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:06:09,215 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:06:09,223 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:09,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,228 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:09,231 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:06:09,231 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:06:09,238 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:09,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:09,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,243 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:09,244 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:09,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:09,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:09,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:09,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,250 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:09,251 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:09,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:09,252 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:09,253 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:09,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,257 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:09,259 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:06:09,259 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:06:09,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:09,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,273 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:09,277 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:06:09,277 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:06:09,287 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:09,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:09,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,292 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:09,293 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:09,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:09,294 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:06:09,299 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:09,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,299 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:09,299 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:09,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:09,301 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:09,302 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,306 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,306 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:09,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,306 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:09,308 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:06:09,308 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:06:09,320 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,325 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,326 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:09,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,326 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:09,329 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 15:06:09,329 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 15:06:09,339 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,344 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,344 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:09,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:09,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,345 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:09,345 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:09,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:09,347 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,352 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,352 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:09,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:09,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,352 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 15:06:09,352 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 15:06:09,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:09,354 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:09,355 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,359 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,359 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:06:09,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,359 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:09,361 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:06:09,361 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:06:09,411 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,416 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,416 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:06:09,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,417 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:09,420 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:06:09,420 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:06:09,441 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,457 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,457 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:06:09,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:09,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,458 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:09,458 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:09,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:09,461 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,465 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,465 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 15:06:09,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:09,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,466 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:09,466 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:09,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:09,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:09,469 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,473 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,474 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:09,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,474 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:09,477 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:06:09,477 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:06:09,630 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,636 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,636 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:09,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,636 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:09,640 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 15:06:09,640 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 15:06:09,674 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,679 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,679 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:09,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:09,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,680 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:09,680 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:09,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:09,683 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,688 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,688 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:09,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:09,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,688 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 15:06:09,689 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 15:06:09,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:09,692 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:09,693 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,697 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,697 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:09,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,698 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:09,699 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:06:09,700 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:06:09,715 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,719 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,719 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:09,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,719 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:09,722 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 15:06:09,722 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 15:06:09,734 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,740 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,740 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:09,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:09,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,740 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:09,741 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:09,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:09,743 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,747 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,747 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 15:06:09,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:09,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,747 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 15:06:09,747 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 15:06:09,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:09,749 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:09,750 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,754 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,754 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:09,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,754 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:06:09,757 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 15:06:09,757 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 15:06:09,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,816 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,816 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:09,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,816 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:06:09,820 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 15:06:09,820 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 15:06:09,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,858 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,858 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:09,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:09,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,858 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:06:09,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:06:09,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:09,862 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dce8fed0-eb2d-456e-99b4-1867baa5eb11/bin/uautomizer/z3 Starting monitored process 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:06:09,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:06:09,867 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 15:06:09,867 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 15:06:09,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:06:09,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:06:09,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:06:09,867 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 15:06:09,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:06:09,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:06:09,869 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 15:06:09,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 03:06:09 BoogieIcfgContainer [2019-12-07 15:06:09,874 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 15:06:09,875 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:06:09,875 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:06:09,875 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:06:09,875 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:06:06" (3/4) ... [2019-12-07 15:06:09,878 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:06:09,878 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:06:09,879 INFO L168 Benchmark]: Toolchain (without parser) took 3377.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -120.4 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:06:09,879 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:06:09,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:06:09,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:06:09,880 INFO L168 Benchmark]: Boogie Preprocessor took 11.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:06:09,881 INFO L168 Benchmark]: RCFGBuilder took 138.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:06:09,881 INFO L168 Benchmark]: BuchiAutomizer took 3033.48 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.1 MB). Peak memory consumption was 321.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:06:09,881 INFO L168 Benchmark]: Witness Printer took 3.04 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. [2019-12-07 15:06:09,882 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 167.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -160.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 138.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3033.48 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 70.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.1 MB). Peak memory consumption was 321.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.04 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 3.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div386 bol100 ite100 ukn100 eq147 hnf51 smp92 dnf100 smp100 tf103 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 60ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" Loop: "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...