./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/gcnr2008_false-unreach-call_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/gcnr2008_false-unreach-call_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 153d29cc59a928b964d34eac87caede5c68a6fb0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 08:18:01,985 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 08:18:01,986 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 08:18:01,992 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 08:18:01,992 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 08:18:01,992 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 08:18:01,993 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 08:18:01,994 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 08:18:01,994 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 08:18:01,995 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 08:18:01,995 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 08:18:01,995 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 08:18:01,996 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 08:18:01,996 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 08:18:01,997 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 08:18:01,997 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 08:18:01,998 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 08:18:01,999 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 08:18:02,000 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 08:18:02,000 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 08:18:02,001 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 08:18:02,001 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 08:18:02,002 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 08:18:02,003 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 08:18:02,003 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 08:18:02,003 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 08:18:02,004 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 08:18:02,004 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 08:18:02,005 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 08:18:02,005 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 08:18:02,005 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 08:18:02,006 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 08:18:02,006 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 08:18:02,006 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 08:18:02,006 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 08:18:02,007 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 08:18:02,007 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 08:18:02,014 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 08:18:02,014 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 08:18:02,015 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 08:18:02,015 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 08:18:02,015 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 08:18:02,015 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 08:18:02,015 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 08:18:02,015 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 08:18:02,015 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 08:18:02,015 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 08:18:02,015 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 08:18:02,015 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 08:18:02,015 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 08:18:02,016 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 08:18:02,016 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 08:18:02,016 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 08:18:02,016 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 08:18:02,016 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 08:18:02,016 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 08:18:02,016 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 08:18:02,016 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 08:18:02,016 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 08:18:02,016 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 08:18:02,016 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 08:18:02,017 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 08:18:02,017 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 08:18:02,017 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 08:18:02,017 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 08:18:02,017 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 08:18:02,017 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 08:18:02,017 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 08:18:02,018 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 08:18:02,018 INFO L133 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/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 -> 153d29cc59a928b964d34eac87caede5c68a6fb0 [2018-12-09 08:18:02,034 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 08:18:02,040 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 08:18:02,042 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 08:18:02,043 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 08:18:02,043 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 08:18:02,044 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/uautomizer/../../sv-benchmarks/c/loop-lit/gcnr2008_false-unreach-call_false-termination.i [2018-12-09 08:18:02,077 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/uautomizer/data/332904583/d5afb89f95754dbeb048ef79a3319b40/FLAGac3e8d558 [2018-12-09 08:18:02,405 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 08:18:02,406 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/sv-benchmarks/c/loop-lit/gcnr2008_false-unreach-call_false-termination.i [2018-12-09 08:18:02,410 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/uautomizer/data/332904583/d5afb89f95754dbeb048ef79a3319b40/FLAGac3e8d558 [2018-12-09 08:18:02,420 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/uautomizer/data/332904583/d5afb89f95754dbeb048ef79a3319b40 [2018-12-09 08:18:02,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 08:18:02,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 08:18:02,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 08:18:02,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 08:18:02,426 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 08:18:02,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:18:02" (1/1) ... [2018-12-09 08:18:02,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40bf1ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:02, skipping insertion in model container [2018-12-09 08:18:02,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:18:02" (1/1) ... [2018-12-09 08:18:02,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 08:18:02,442 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 08:18:02,526 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:18:02,528 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 08:18:02,537 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:18:02,545 INFO L195 MainTranslator]: Completed translation [2018-12-09 08:18:02,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:02 WrapperNode [2018-12-09 08:18:02,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 08:18:02,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 08:18:02,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 08:18:02,546 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 08:18:02,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:02" (1/1) ... [2018-12-09 08:18:02,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:02" (1/1) ... [2018-12-09 08:18:02,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 08:18:02,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 08:18:02,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 08:18:02,563 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 08:18:02,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:02" (1/1) ... [2018-12-09 08:18:02,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:02" (1/1) ... [2018-12-09 08:18:02,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:02" (1/1) ... [2018-12-09 08:18:02,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:02" (1/1) ... [2018-12-09 08:18:02,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:02" (1/1) ... [2018-12-09 08:18:02,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:02" (1/1) ... [2018-12-09 08:18:02,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:02" (1/1) ... [2018-12-09 08:18:02,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 08:18:02,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 08:18:02,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 08:18:02,602 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 08:18:02,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 08:18:02,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 08:18:02,724 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 08:18:02,725 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 08:18:02,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:18:02 BoogieIcfgContainer [2018-12-09 08:18:02,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 08:18:02,725 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 08:18:02,725 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 08:18:02,727 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 08:18:02,728 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 08:18:02,728 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 08:18:02" (1/3) ... [2018-12-09 08:18:02,729 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61446c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 08:18:02, skipping insertion in model container [2018-12-09 08:18:02,729 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 08:18:02,729 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:18:02" (2/3) ... [2018-12-09 08:18:02,729 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@61446c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 08:18:02, skipping insertion in model container [2018-12-09 08:18:02,730 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 08:18:02,730 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:18:02" (3/3) ... [2018-12-09 08:18:02,731 INFO L375 chiAutomizerObserver]: Analyzing ICFG gcnr2008_false-unreach-call_false-termination.i [2018-12-09 08:18:02,774 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 08:18:02,775 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 08:18:02,775 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 08:18:02,775 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 08:18:02,775 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 08:18:02,775 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 08:18:02,775 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 08:18:02,775 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 08:18:02,775 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 08:18:02,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-12-09 08:18:02,795 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-12-09 08:18:02,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:18:02,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:18:02,800 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-09 08:18:02,800 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-09 08:18:02,800 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 08:18:02,800 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-12-09 08:18:02,801 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-12-09 08:18:02,801 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:18:02,801 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:18:02,801 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-09 08:18:02,801 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-09 08:18:02,806 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~nondet1, main_~x~0, main_~y~0, main_~z~0, main_~w~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;havoc main_~w~0;main_~w~0 := 0;main_~z~0 := main_~w~0;main_~y~0 := main_~z~0;main_~x~0 := main_~y~0; 10#L13-2true [2018-12-09 08:18:02,806 INFO L796 eck$LassoCheckResult]: Loop: 10#L13-2true assume !!(0 != main_#t~nondet1 && main_~y~0 < 10000);havoc main_#t~nondet1; 15#L14true assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := 1 + main_~x~0;main_~y~0 := 100 + main_~y~0; 7#L22-2true main_~w~0 := 1 + main_~w~0;main_~z~0 := 10 + main_~z~0; 10#L13-2true [2018-12-09 08:18:02,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:18:02,810 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-09 08:18:02,811 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:18:02,811 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:18:02,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:18:02,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:18:02,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:18:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:18:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:18:02,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:18:02,868 INFO L82 PathProgramCache]: Analyzing trace with hash 39837, now seen corresponding path program 1 times [2018-12-09 08:18:02,868 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:18:02,868 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:18:02,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:18:02,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:18:02,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:18:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:18:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:18:02,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:18:02,878 INFO L82 PathProgramCache]: Analyzing trace with hash 963358, now seen corresponding path program 1 times [2018-12-09 08:18:02,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:18:02,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:18:02,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:18:02,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:18:02,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:18:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:18:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:18:02,929 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 08:18:02,929 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 08:18:02,929 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 08:18:02,929 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 08:18:02,930 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 08:18:02,930 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 08:18:02,930 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 08:18:02,930 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 08:18:02,930 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration1_Loop [2018-12-09 08:18:02,930 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 08:18:02,930 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 08:18:02,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:02,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:02,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:02,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:02,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:02,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:03,021 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 08:18:03,021 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:03,024 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 08:18:03,024 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:03,042 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 08:18:03,042 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 08:18:03,070 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-09 08:18:03,071 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 08:18:03,071 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 08:18:03,071 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 08:18:03,071 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 08:18:03,071 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 08:18:03,071 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 08:18:03,071 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 08:18:03,071 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 08:18:03,072 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration1_Loop [2018-12-09 08:18:03,072 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 08:18:03,072 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 08:18:03,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:03,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:03,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:03,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:03,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:03,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:03,131 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 08:18:03,135 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 08:18:03,136 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:03,137 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:03,137 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:03,138 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:03,138 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:03,138 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:18:03,139 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 08:18:03,139 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:03,144 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-09 08:18:03,148 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-09 08:18:03,148 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-09 08:18:03,149 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-09 08:18:03,150 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-09 08:18:03,150 INFO L518 LassoAnalysis]: Proved termination. [2018-12-09 08:18:03,150 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -1*ULTIMATE.start_main_~y~0 + 10049 Supporting invariants [] [2018-12-09 08:18:03,151 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-09 08:18:03,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:18:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:18:03,173 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 08:18:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:18:03,180 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 08:18:03,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:18:03,210 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-12-09 08:18:03,211 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 4 states. [2018-12-09 08:18:03,258 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 4 states. Result 67 states and 87 transitions. Complement of second has 8 states. [2018-12-09 08:18:03,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-12-09 08:18:03,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-09 08:18:03,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2018-12-09 08:18:03,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 1 letters. Loop has 3 letters. [2018-12-09 08:18:03,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 08:18:03,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 4 letters. Loop has 3 letters. [2018-12-09 08:18:03,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 08:18:03,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 1 letters. Loop has 6 letters. [2018-12-09 08:18:03,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-09 08:18:03,263 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 87 transitions. [2018-12-09 08:18:03,265 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2018-12-09 08:18:03,268 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 24 states and 35 transitions. [2018-12-09 08:18:03,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2018-12-09 08:18:03,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2018-12-09 08:18:03,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 35 transitions. [2018-12-09 08:18:03,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-09 08:18:03,269 INFO L705 BuchiCegarLoop]: Abstraction has 24 states and 35 transitions. [2018-12-09 08:18:03,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 35 transitions. [2018-12-09 08:18:03,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. [2018-12-09 08:18:03,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-12-09 08:18:03,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 32 transitions. [2018-12-09 08:18:03,286 INFO L728 BuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2018-12-09 08:18:03,286 INFO L608 BuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2018-12-09 08:18:03,286 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 08:18:03,286 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 32 transitions. [2018-12-09 08:18:03,287 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2018-12-09 08:18:03,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 08:18:03,287 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 08:18:03,287 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-09 08:18:03,287 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-12-09 08:18:03,287 INFO L794 eck$LassoCheckResult]: Stem: 122#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~nondet1, main_~x~0, main_~y~0, main_~z~0, main_~w~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;havoc main_~w~0;main_~w~0 := 0;main_~z~0 := main_~w~0;main_~y~0 := main_~z~0;main_~x~0 := main_~y~0; 123#L13-2 assume !!(0 != main_#t~nondet1 && main_~y~0 < 10000);havoc main_#t~nondet1; 125#L14 [2018-12-09 08:18:03,287 INFO L796 eck$LassoCheckResult]: Loop: 125#L14 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2; 140#L17 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3; 128#L22 assume !(main_~y~0 > 10 * main_~w~0 && main_~z~0 >= 100 * main_~x~0); 130#L22-2 main_~w~0 := 1 + main_~w~0;main_~z~0 := 10 + main_~z~0; 124#L13-2 assume !!(0 != main_#t~nondet1 && main_~y~0 < 10000);havoc main_#t~nondet1; 125#L14 [2018-12-09 08:18:03,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:18:03,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-12-09 08:18:03,288 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:18:03,288 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:18:03,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:18:03,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:18:03,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:18:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:18:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:18:03,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:18:03,292 INFO L82 PathProgramCache]: Analyzing trace with hash 43287356, now seen corresponding path program 1 times [2018-12-09 08:18:03,293 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:18:03,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:18:03,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:18:03,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:18:03,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:18:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:18:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:18:03,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:18:03,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1363703565, now seen corresponding path program 1 times [2018-12-09 08:18:03,298 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:18:03,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:18:03,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:18:03,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:18:03,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:18:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:18:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:18:03,333 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 08:18:03,334 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 08:18:03,334 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 08:18:03,334 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 08:18:03,334 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 08:18:03,334 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 08:18:03,334 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 08:18:03,334 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 08:18:03,334 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Loop [2018-12-09 08:18:03,334 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 08:18:03,334 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 08:18:03,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:03,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:03,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:03,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:03,387 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 08:18:03,387 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:03,389 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 08:18:03,389 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 08:18:03,392 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 08:18:03,393 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:03,407 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 08:18:03,408 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:03,427 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 08:18:03,427 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 08:18:15,460 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-09 08:18:15,464 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 08:18:15,464 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 08:18:15,464 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 08:18:15,464 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 08:18:15,464 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 08:18:15,464 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 08:18:15,465 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 08:18:15,465 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 08:18:15,465 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Loop [2018-12-09 08:18:15,465 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 08:18:15,465 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 08:18:15,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:15,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:15,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:15,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:15,548 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 08:18:15,548 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 08:18:15,549 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,549 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:15,549 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,550 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,550 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:15,550 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:18:15,550 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 08:18:15,550 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,552 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,552 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,552 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:15,553 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,553 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,553 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:15,553 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:18:15,554 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 08:18:15,554 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,561 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,561 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,562 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:15,562 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,562 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,562 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:15,562 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:18:15,563 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 08:18:15,563 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,565 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,565 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,566 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:15,566 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,566 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,566 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:15,566 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:18:15,566 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 08:18:15,567 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,567 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,568 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 08:18:15,568 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,568 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:15,568 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,568 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,568 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:15,569 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 08:18:15,569 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 08:18:15,569 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,570 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,570 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,570 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:15,570 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,571 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,571 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:15,571 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 08:18:15,572 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 08:18:15,572 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,580 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,581 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,581 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:15,581 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,581 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,581 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:15,581 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 08:18:15,582 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 08:18:15,582 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,585 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,585 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,586 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:15,586 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,586 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,586 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:15,586 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 08:18:15,586 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 08:18:15,586 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,587 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,587 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-09 08:18:15,588 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,588 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:15,588 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,588 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,588 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:15,588 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:15,589 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 08:18:15,589 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,589 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,590 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,590 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:15,590 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,590 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,590 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:15,591 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:15,592 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-09 08:18:15,592 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,601 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,601 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,602 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:15,602 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,602 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,602 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:15,602 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:15,603 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-09 08:18:15,603 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,606 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,606 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,607 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:15,607 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,607 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,607 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:15,607 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:15,607 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 08:18:15,608 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,608 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,608 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-09 08:18:15,609 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,609 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:15,609 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,609 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,609 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:15,609 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 08:18:15,610 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 08:18:15,610 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,610 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,611 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,611 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:15,611 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,611 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,611 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:15,612 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 08:18:15,613 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-12-09 08:18:15,613 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,622 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,623 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,623 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:15,623 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,623 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,624 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:15,624 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 08:18:15,624 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-12-09 08:18:15,624 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,628 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,628 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,628 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:15,628 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,628 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,629 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:15,629 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 08:18:15,629 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 08:18:15,629 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,630 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,630 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-09 08:18:15,630 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,631 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,631 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 08:18:15,631 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,631 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,631 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:15,631 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 08:18:15,632 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 08:18:15,632 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,633 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,633 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,633 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,633 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 08:18:15,634 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,634 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,634 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:15,634 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 08:18:15,635 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 08:18:15,635 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,660 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,660 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,661 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,661 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 08:18:15,661 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,661 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,661 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:15,661 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 08:18:15,662 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 08:18:15,662 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,666 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,667 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,667 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,667 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 08:18:15,667 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,667 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,667 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:15,667 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 08:18:15,668 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 08:18:15,668 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,669 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,669 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-09 08:18:15,669 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,669 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,669 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 08:18:15,669 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,670 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,670 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:15,670 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:15,671 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 08:18:15,671 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,672 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,672 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,673 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,673 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 08:18:15,673 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,673 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,673 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:15,673 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:15,675 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-09 08:18:15,676 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,720 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,721 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,721 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,721 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 08:18:15,721 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,722 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,722 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:15,722 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:15,723 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-09 08:18:15,723 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,728 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,728 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,728 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,729 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 08:18:15,729 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,729 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,729 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:15,729 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:15,729 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 08:18:15,730 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,731 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,731 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-09 08:18:15,731 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,731 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,732 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 08:18:15,732 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,732 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,732 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:15,732 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 08:18:15,733 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 08:18:15,733 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,733 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,734 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,734 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,734 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 08:18:15,734 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,735 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:15,735 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 08:18:15,738 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-12-09 08:18:15,738 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,899 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,899 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,900 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,900 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 08:18:15,900 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,900 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,900 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:15,900 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 08:18:15,902 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-12-09 08:18:15,902 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,909 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,909 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,909 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,909 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 08:18:15,910 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,910 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,910 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:15,910 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 08:18:15,910 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 08:18:15,911 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,911 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,911 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-09 08:18:15,911 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,912 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,912 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 08:18:15,912 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,912 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,912 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:15,913 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:15,913 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 08:18:15,913 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,914 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,915 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,915 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,915 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 08:18:15,915 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,916 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,916 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:15,916 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:15,917 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-09 08:18:15,917 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,923 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,923 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,923 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,924 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 08:18:15,924 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,924 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,924 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:15,924 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:15,925 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-09 08:18:15,925 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,929 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,929 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,930 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,930 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 08:18:15,930 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,930 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,930 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:15,930 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:15,931 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 08:18:15,931 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,932 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,932 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-09 08:18:15,932 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,933 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,933 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 08:18:15,933 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,933 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,933 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:15,933 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 08:18:15,933 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 08:18:15,934 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,935 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,935 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,936 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,936 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 08:18:15,936 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,936 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,936 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:15,936 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 08:18:15,938 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 08:18:15,938 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,950 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,950 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,951 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,951 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 08:18:15,951 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,951 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,951 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:15,951 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 08:18:15,952 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 08:18:15,952 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,956 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,956 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:15,957 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:15,957 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 08:18:15,957 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:15,957 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:15,957 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:15,957 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 08:18:15,958 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 08:18:15,958 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:15,960 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:15,976 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 08:18:15,976 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 08:18:15,976 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 08:18:15,976 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 08:18:15,977 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 08:18:15,977 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 08:18:15,977 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 08:18:15,977 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 08:18:15,977 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Lasso [2018-12-09 08:18:15,977 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 08:18:15,977 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 08:18:15,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:15,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:16,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:16,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:16,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:16,074 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 08:18:16,074 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:16,076 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 08:18:16,076 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:16,094 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 08:18:16,094 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 08:18:28,896 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-09 08:18:28,900 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 08:18:28,901 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 08:18:28,901 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 08:18:28,901 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 08:18:28,901 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-09 08:18:28,901 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 08:18:28,901 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 08:18:28,901 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 08:18:28,901 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Lasso [2018-12-09 08:18:28,901 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 08:18:28,901 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 08:18:28,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:28,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:28,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:28,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:28,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:28,992 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 08:18:28,992 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-09 08:18:28,993 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:28,993 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:28,993 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:28,993 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:28,993 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:18:28,996 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-12-09 08:18:28,997 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-09 08:18:29,017 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,017 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,018 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,018 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,018 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,018 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:29,018 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:18:29,018 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 08:18:29,018 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,019 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,019 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,020 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,020 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,020 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,020 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,020 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:18:29,020 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 08:18:29,021 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,021 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,021 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,021 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,022 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,022 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,022 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,022 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:18:29,022 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 08:18:29,022 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,023 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,023 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,023 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,023 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,024 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,024 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,024 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-09 08:18:29,024 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-09 08:18:29,024 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,024 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,024 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-09 08:18:29,025 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,025 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,025 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,025 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:29,025 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 08:18:29,027 INFO L402 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2018-12-09 08:18:29,028 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-09 08:18:29,045 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,045 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,045 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,045 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,045 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,046 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:29,046 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 08:18:29,046 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 08:18:29,046 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,047 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,047 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,047 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,047 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,047 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,047 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,047 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 08:18:29,048 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 08:18:29,048 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,048 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,048 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,048 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,048 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,049 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,049 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,049 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 08:18:29,049 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 08:18:29,049 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,049 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,049 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,050 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,050 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,050 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,050 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,050 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 08:18:29,050 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 08:18:29,050 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,050 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,050 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-09 08:18:29,050 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,051 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,051 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,051 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:29,051 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:29,054 INFO L402 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2018-12-09 08:18:29,054 INFO L403 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2018-12-09 08:18:29,073 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,074 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,074 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,074 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,074 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,074 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:29,074 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:29,075 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-09 08:18:29,075 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,076 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,076 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,076 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,076 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,077 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,077 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,077 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:29,077 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 08:18:29,077 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,077 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,078 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,078 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,078 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,078 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,078 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,078 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:29,078 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 08:18:29,078 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,079 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,079 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,079 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,079 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,079 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,079 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,079 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:29,080 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 08:18:29,080 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,080 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,080 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-09 08:18:29,080 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,080 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,080 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,080 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:29,081 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 08:18:29,084 INFO L402 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2018-12-09 08:18:29,084 INFO L403 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2018-12-09 08:18:29,114 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,114 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,115 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,115 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,115 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,115 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:29,115 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 08:18:29,115 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-12-09 08:18:29,115 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,117 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,117 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,117 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,117 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,117 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,117 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,118 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 08:18:29,118 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 08:18:29,118 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,118 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,118 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,119 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,119 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,119 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,119 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,119 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 08:18:29,119 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 08:18:29,119 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,119 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,120 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,120 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-09 08:18:29,120 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,120 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,120 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,120 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 08:18:29,120 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 08:18:29,120 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,121 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,121 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-09 08:18:29,121 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,121 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,121 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 08:18:29,121 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,121 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:29,121 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 08:18:29,124 INFO L402 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2018-12-09 08:18:29,124 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-09 08:18:29,174 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,175 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,175 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,175 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 08:18:29,175 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,175 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,175 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:29,175 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 08:18:29,176 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 08:18:29,176 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,178 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,178 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,178 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,179 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 08:18:29,179 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,179 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,179 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,179 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 08:18:29,179 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 08:18:29,179 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,179 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,180 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,180 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,180 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 08:18:29,180 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,180 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,180 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,180 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 08:18:29,180 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 08:18:29,181 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,181 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,181 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,181 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,181 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 08:18:29,181 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,182 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,182 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,182 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-09 08:18:29,182 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-09 08:18:29,182 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,182 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,182 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-09 08:18:29,182 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,183 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,183 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 08:18:29,183 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,183 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:29,183 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:29,186 INFO L402 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2018-12-09 08:18:29,187 INFO L403 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2018-12-09 08:18:29,378 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,378 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,379 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,379 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 08:18:29,379 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,379 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,379 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:29,379 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:29,380 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-09 08:18:29,380 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,383 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,383 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,383 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,383 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 08:18:29,383 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,383 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,383 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,383 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:29,384 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 08:18:29,384 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,385 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,385 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,385 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,385 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 08:18:29,385 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,385 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,385 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,385 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:29,386 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 08:18:29,386 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,386 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,386 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,387 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,387 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-09 08:18:29,387 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,387 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,387 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,387 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:29,387 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 08:18:29,387 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,388 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,388 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-09 08:18:29,388 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,388 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,388 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 08:18:29,389 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,389 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:29,389 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 08:18:29,394 INFO L402 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2018-12-09 08:18:29,394 INFO L403 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2018-12-09 08:18:29,894 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,894 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,895 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,895 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 08:18:29,895 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,895 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,895 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:29,895 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 08:18:29,896 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-12-09 08:18:29,896 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,900 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,900 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,901 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,901 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 08:18:29,901 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,901 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,901 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,901 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 08:18:29,902 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 08:18:29,902 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,902 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,902 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,902 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,903 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 08:18:29,903 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,903 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,903 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,903 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 08:18:29,903 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 08:18:29,903 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,904 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,904 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,904 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,904 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 08:18:29,904 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,904 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,904 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,905 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-09 08:18:29,905 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-09 08:18:29,905 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,905 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,905 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-09 08:18:29,906 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,906 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,906 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 08:18:29,906 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,906 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:29,906 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:29,909 INFO L402 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2018-12-09 08:18:29,909 INFO L403 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2018-12-09 08:18:29,974 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,975 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,975 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,975 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 08:18:29,975 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,975 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,975 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:29,975 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:29,976 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-09 08:18:29,976 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,977 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,977 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,978 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,978 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 08:18:29,978 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,978 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,978 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,978 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:29,978 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 08:18:29,978 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,979 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,979 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,980 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,980 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 08:18:29,980 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,980 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,980 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,980 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:29,980 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 08:18:29,980 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,981 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,981 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,981 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,982 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-09 08:18:29,982 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:29,982 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,982 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:29,982 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-09 08:18:29,982 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-09 08:18:29,982 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:29,983 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:29,983 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-09 08:18:29,983 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:29,983 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:29,983 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 08:18:29,983 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:29,983 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:29,983 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 08:18:29,988 INFO L402 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2018-12-09 08:18:29,988 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-12-09 08:18:30,207 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:30,207 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:30,208 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:30,208 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 08:18:30,208 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:30,208 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:30,208 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-09 08:18:30,208 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 08:18:30,209 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-09 08:18:30,209 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:30,212 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:30,213 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:30,213 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:30,213 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 08:18:30,213 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:30,213 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:30,213 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:30,213 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 08:18:30,213 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 08:18:30,214 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:30,215 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:30,215 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:30,215 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:30,215 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 08:18:30,215 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:30,215 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:30,215 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:30,216 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 08:18:30,216 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 08:18:30,216 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:30,217 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:30,217 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-09 08:18:30,218 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-09 08:18:30,218 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-09 08:18:30,218 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-09 08:18:30,218 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-09 08:18:30,218 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-09 08:18:30,218 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-09 08:18:30,218 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-09 08:18:30,218 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-09 08:18:30,219 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-09 08:18:30,219 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-12-09 08:18:30,219 INFO L794 eck$LassoCheckResult]: Stem: 122#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~nondet1, main_~x~0, main_~y~0, main_~z~0, main_~w~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;havoc main_~w~0;main_~w~0 := 0;main_~z~0 := main_~w~0;main_~y~0 := main_~z~0;main_~x~0 := main_~y~0; 123#L13-2 assume !!(0 != main_#t~nondet1 && main_~y~0 < 10000);havoc main_#t~nondet1; 125#L14 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2; 140#L17 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3; 128#L22 assume !(main_~y~0 > 10 * main_~w~0 && main_~z~0 >= 100 * main_~x~0); 130#L22-2 main_~w~0 := 1 + main_~w~0;main_~z~0 := 10 + main_~z~0; 124#L13-2 assume !!(0 != main_#t~nondet1 && main_~y~0 < 10000);havoc main_#t~nondet1; 125#L14 [2018-12-09 08:18:30,220 INFO L796 eck$LassoCheckResult]: Loop: 125#L14 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2; 140#L17 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3; 128#L22 assume !(main_~y~0 > 10 * main_~w~0 && main_~z~0 >= 100 * main_~x~0); 130#L22-2 main_~w~0 := 1 + main_~w~0;main_~z~0 := 10 + main_~z~0; 124#L13-2 assume !!(0 != main_#t~nondet1 && main_~y~0 < 10000);havoc main_#t~nondet1; 125#L14 [2018-12-09 08:18:30,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:18:30,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1363703565, now seen corresponding path program 2 times [2018-12-09 08:18:30,220 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:18:30,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:18:30,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:18:30,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:18:30,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:18:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:18:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:18:30,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:18:30,226 INFO L82 PathProgramCache]: Analyzing trace with hash 43287356, now seen corresponding path program 2 times [2018-12-09 08:18:30,226 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:18:30,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:18:30,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:18:30,227 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 08:18:30,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:18:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:18:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:18:30,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:18:30,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1639530102, now seen corresponding path program 3 times [2018-12-09 08:18:30,230 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 08:18:30,230 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 08:18:30,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:18:30,230 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 08:18:30,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:18:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:18:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 08:18:30,275 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 08:18:30,275 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 08:18:30,275 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 08:18:30,275 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 08:18:30,275 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 08:18:30,275 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 08:18:30,276 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 08:18:30,276 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 08:18:30,276 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Loop [2018-12-09 08:18:30,276 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 08:18:30,276 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 08:18:30,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:30,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:30,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:30,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:30,335 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 08:18:30,335 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:30,337 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 08:18:30,338 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 08:18:30,340 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 08:18:30,340 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:30,357 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 08:18:30,357 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:30,375 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 08:18:30,375 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 08:18:39,809 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 08:18:39,809 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=0, ULTIMATE.start_main_~x~0=2005, ULTIMATE.start_main_~w~0=9797} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=0, ULTIMATE.start_main_~x~0=2005, ULTIMATE.start_main_~w~0=9797} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=-2144, ULTIMATE.start_main_~x~0=1913, ULTIMATE.start_main_~w~0=1}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=0, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~w~0=0}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=2154, ULTIMATE.start_main_~x~0=-1913, ULTIMATE.start_main_~w~0=0}] Lambdas: [1, 0, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:39,827 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 08:18:39,827 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 08:18:39,830 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 08:18:39,830 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=7} Honda state: {ULTIMATE.start_main_#t~nondet1=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:39,845 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 08:18:39,845 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 08:18:39,847 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 08:18:39,847 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-12-09 08:18:39,888 INFO L216 LassoAnalysis]: Preferences: [2018-12-09 08:18:39,888 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-09 08:18:39,888 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-09 08:18:39,888 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-09 08:18:39,888 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-09 08:18:39,888 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-09 08:18:39,888 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-09 08:18:39,888 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-09 08:18:39,889 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Lasso [2018-12-09 08:18:39,889 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-09 08:18:39,889 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-09 08:18:39,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:39,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:39,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:39,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:39,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-09 08:18:39,973 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-09 08:18:39,973 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:39,975 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 08:18:39,975 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 08:18:39,977 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 08:18:39,977 INFO L448 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/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:39,992 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 08:18:39,992 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:40,010 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-09 08:18:40,010 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 08:18:50,671 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 08:18:50,671 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~w~0=0, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=0} Honda state: {ULTIMATE.start_main_~w~0=1, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=10} Generalized eigenvectors: [{ULTIMATE.start_main_~w~0=1, ULTIMATE.start_main_~x~0=-8191, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=-8181}, {ULTIMATE.start_main_~w~0=0, ULTIMATE.start_main_~x~0=-1, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=-1}, {ULTIMATE.start_main_~w~0=0, ULTIMATE.start_main_~x~0=8192, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=8192}] Lambdas: [1, 8193, 1] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:50,689 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 08:18:50,689 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 08:18:50,691 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 08:18:50,692 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:50,706 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 08:18:50,707 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 08:18:50,709 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 08:18:50,709 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=7} Honda state: {ULTIMATE.start_main_#t~nondet1=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/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 [2018-12-09 08:18:50,724 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-09 08:18:50,724 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-09 08:18:50,726 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-09 08:18:50,727 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-12-09 08:18:50,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 08:18:50 BoogieIcfgContainer [2018-12-09 08:18:50,755 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 08:18:50,755 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 08:18:50,755 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 08:18:50,755 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 08:18:50,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:18:02" (3/4) ... [2018-12-09 08:18:50,758 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-09 08:18:50,785 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aeb0501f-cb46-4ecd-b42a-dd27f674945e/bin-2019/uautomizer/witness.graphml [2018-12-09 08:18:50,785 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 08:18:50,786 INFO L168 Benchmark]: Toolchain (without parser) took 48362.51 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 237.0 MB). Free memory was 952.2 MB in the beginning and 949.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 239.5 MB. Max. memory is 11.5 GB. [2018-12-09 08:18:50,787 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:18:50,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 121.34 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-09 08:18:50,787 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.33 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:18:50,787 INFO L168 Benchmark]: Boogie Preprocessor took 37.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-12-09 08:18:50,787 INFO L168 Benchmark]: RCFGBuilder took 123.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-09 08:18:50,788 INFO L168 Benchmark]: BuchiAutomizer took 48029.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 113.8 MB). Free memory was 1.1 GB in the beginning and 956.9 MB in the end (delta: 152.6 MB). Peak memory consumption was 266.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:18:50,788 INFO L168 Benchmark]: Witness Printer took 30.37 ms. Allocated memory is still 1.3 GB. Free memory was 956.9 MB in the beginning and 949.7 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-09 08:18:50,789 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 121.34 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.33 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 123.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 48029.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 113.8 MB). Free memory was 1.1 GB in the beginning and 956.9 MB in the end (delta: 152.6 MB). Peak memory consumption was 266.4 MB. Max. memory is 11.5 GB. * Witness Printer took 30.37 ms. Allocated memory is still 1.3 GB. Free memory was 956.9 MB in the beginning and 949.7 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * y + 10049 and consists of 5 locations. The remainder module has 21 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 47.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 47.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 21 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 21 SDslu, 22 SDs, 0 SdLazy, 22 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf97 lsp52 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq159 hnf93 smp100 dnf126 smp100 tf107 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 14ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 20.2s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 14]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cc8dce4=0, \result=0, w=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36100058=7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a51a016=0, z=0, x=0, y=0} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cc8dce4=0, \result=0, w=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36100058=7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a51a016=0, z=10, x=0, y=0} For i>1, the state at position i is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cc8dce4=0 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, w=1 + sum_{k=0}^i 1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36100058=7 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a51a016=0 + sum_{k=0}^i 0, z=10 + sum_{k=0}^i -8181 + -1*8193^k + 8192 + 8192*k*8193^(k-1), x=0 + sum_{k=0}^i -8191 + -1*8193^k + 8192 + 8192*k*8193^(k-1), y=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [1, 8193, 1] Mus: [0, 1] - NonterminatingLassoResult [Line: 14]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L11] int x,y,z,w; [L12] EXPR w = 0 [L12] EXPR z = w = 0 [L12] EXPR y = z = w = 0 [L12] x = y = z = w = 0 [L13] COND TRUE __VERIFIER_nondet_int() && y < 10000 [L14] COND FALSE !(__VERIFIER_nondet_int()) [L17] COND FALSE !(__VERIFIER_nondet_int()) [L22] COND FALSE !(y > 10*w && z >= 100*x) [L25] w = w + 1 [L26] z = z + 10 [L13] COND TRUE __VERIFIER_nondet_int() && y < 10000 Loop: [L14] COND FALSE !(__VERIFIER_nondet_int()) [L17] COND FALSE !(__VERIFIER_nondet_int()) [L22] COND FALSE !(y > 10*w && z >= 100*x) [L25] w = w + 1 [L26] z = z + 10 [L13] COND TRUE __VERIFIER_nondet_int() && y < 10000 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...