MAYBE Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 11:41:53,679 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 11:41:53,681 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 11:41:53,692 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 11:41:53,692 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 11:41:53,693 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 11:41:53,695 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 11:41:53,696 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 11:41:53,698 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 11:41:53,699 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 11:41:53,700 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 11:41:53,700 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 11:41:53,701 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 11:41:53,702 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 11:41:53,703 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 11:41:53,703 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 11:41:53,704 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 11:41:53,706 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 11:41:53,708 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 11:41:53,709 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 11:41:53,710 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 11:41:53,711 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 11:41:53,713 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 11:41:53,713 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 11:41:53,714 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 11:41:53,714 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 11:41:53,715 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 11:41:53,716 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 11:41:53,716 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 11:41:53,716 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 11:41:53,717 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 11:41:53,718 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 11:41:53,719 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 11:41:53,719 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 11:41:53,720 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 11:41:53,720 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 11:41:53,720 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 11:41:53,721 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 11:41:53,721 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 11:41:53,722 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 11:41:53,736 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 11:41:53,736 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 11:41:53,737 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 11:41:53,737 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 11:41:53,737 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 11:41:53,738 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 11:41:53,738 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 11:41:53,738 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 11:41:53,738 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 11:41:53,738 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 11:41:53,739 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 11:41:53,739 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 11:41:53,739 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 11:41:53,739 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 11:41:53,739 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:41:53,739 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 11:41:53,740 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 11:41:53,740 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 11:41:53,740 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 11:41:53,740 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 11:41:53,740 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 11:41:53,741 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 11:41:53,741 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 11:41:53,741 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 11:41:53,741 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 11:41:53,741 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 11:41:53,742 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 11:41:53,742 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 11:41:53,742 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 11:41:53,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 11:41:53,787 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 11:41:53,790 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 11:41:53,791 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 11:41:53,792 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 11:41:53,792 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 11:41:53,867 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/3acde51351e847d9a42066e61a20c082/FLAG0aa63216b [2020-06-22 11:41:54,196 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 11:41:54,197 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 11:41:54,219 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/3acde51351e847d9a42066e61a20c082/FLAG0aa63216b [2020-06-22 11:41:54,608 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/3acde51351e847d9a42066e61a20c082 [2020-06-22 11:41:54,619 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 11:41:54,621 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 11:41:54,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 11:41:54,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 11:41:54,625 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 11:41:54,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 11:41:54" (1/1) ... [2020-06-22 11:41:54,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d3aad7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:41:54, skipping insertion in model container [2020-06-22 11:41:54,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 11:41:54" (1/1) ... [2020-06-22 11:41:54,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 11:41:54,653 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 11:41:54,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 11:41:54,811 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 11:41:54,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 11:41:54,895 INFO L195 MainTranslator]: Completed translation [2020-06-22 11:41:54,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:41:54 WrapperNode [2020-06-22 11:41:54,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 11:41:54,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 11:41:54,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 11:41:54,897 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 11:41:54,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:41:54" (1/1) ... [2020-06-22 11:41:54,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:41:54" (1/1) ... [2020-06-22 11:41:54,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 11:41:54,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 11:41:54,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 11:41:54,929 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 11:41:54,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:41:54" (1/1) ... [2020-06-22 11:41:54,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:41:54" (1/1) ... [2020-06-22 11:41:54,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:41:54" (1/1) ... [2020-06-22 11:41:54,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:41:54" (1/1) ... [2020-06-22 11:41:54,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:41:54" (1/1) ... [2020-06-22 11:41:54,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:41:54" (1/1) ... [2020-06-22 11:41:54,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:41:54" (1/1) ... [2020-06-22 11:41:54,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 11:41:54,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 11:41:54,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 11:41:54,949 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 11:41:54,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:41:54" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 11:41:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 11:41:55,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 11:41:55,140 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 11:41:55,140 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 11:41:55,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:41:55 BoogieIcfgContainer [2020-06-22 11:41:55,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 11:41:55,142 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 11:41:55,142 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 11:41:55,144 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 11:41:55,145 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:41:55" (1/1) ... [2020-06-22 11:41:55,159 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-06-22 11:41:55,160 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 11:41:55,161 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 11:41:55,161 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 11:41:55,162 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 11:41:55,163 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 11:41:55,164 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 11:41:55,164 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 11:41:55,178 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 11:41:55,184 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-22 11:41:55,189 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 11:41:55,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 11:41:55,201 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-22 11:41:55,203 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-06-22 11:41:55,205 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 11:41:55,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 11:41:55,212 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2020-06-22 11:41:55,213 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 11:41:55,213 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 11:41:55,213 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 11:41:55,213 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 11:41:55,214 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 11:41:55,214 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges [2020-06-22 11:41:55,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 11:41:55 BasicIcfg [2020-06-22 11:41:55,214 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 11:41:55,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 11:41:55,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 11:41:55,219 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 11:41:55,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 11:41:54" (1/4) ... [2020-06-22 11:41:55,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b74e123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:41:55, skipping insertion in model container [2020-06-22 11:41:55,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:41:54" (2/4) ... [2020-06-22 11:41:55,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b74e123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:41:55, skipping insertion in model container [2020-06-22 11:41:55,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:41:55" (3/4) ... [2020-06-22 11:41:55,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b74e123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:41:55, skipping insertion in model container [2020-06-22 11:41:55,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 11:41:55" (4/4) ... [2020-06-22 11:41:55,223 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 11:41:55,232 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 11:41:55,239 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 11:41:55,256 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 11:41:55,285 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 11:41:55,285 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 11:41:55,285 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 11:41:55,286 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 11:41:55,286 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 11:41:55,286 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 11:41:55,286 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 11:41:55,286 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 11:41:55,286 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 11:41:55,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-06-22 11:41:55,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 11:41:55,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. [2020-06-22 11:41:55,357 INFO L451 ceAbstractionStarter]: At program point L18-2(lines 18 20) the Hoare annotation is: true [2020-06-22 11:41:55,357 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 11:41:55,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:41:55 BasicIcfg [2020-06-22 11:41:55,365 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 11:41:55,366 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 11:41:55,366 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 11:41:55,369 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 11:41:55,370 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:41:55,370 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 11:41:54" (1/5) ... [2020-06-22 11:41:55,371 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66deaf8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 11:41:55, skipping insertion in model container [2020-06-22 11:41:55,371 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:41:55,371 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:41:54" (2/5) ... [2020-06-22 11:41:55,372 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66deaf8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 11:41:55, skipping insertion in model container [2020-06-22 11:41:55,372 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:41:55,372 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:41:55" (3/5) ... [2020-06-22 11:41:55,372 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66deaf8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 11:41:55, skipping insertion in model container [2020-06-22 11:41:55,373 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:41:55,373 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 11:41:55" (4/5) ... [2020-06-22 11:41:55,373 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66deaf8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 11:41:55, skipping insertion in model container [2020-06-22 11:41:55,373 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:41:55,373 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:41:55" (5/5) ... [2020-06-22 11:41:55,375 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 11:41:55,402 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 11:41:55,402 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 11:41:55,402 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 11:41:55,402 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 11:41:55,402 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 11:41:55,403 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 11:41:55,403 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 11:41:55,403 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 11:41:55,403 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 11:41:55,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-22 11:41:55,424 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 11:41:55,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 11:41:55,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 11:41:55,429 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 11:41:55,430 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 11:41:55,430 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 11:41:55,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-22 11:41:55,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 11:41:55,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 11:41:55,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 11:41:55,431 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 11:41:55,431 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 11:41:55,436 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [37] ULTIMATE.startENTRY-->L18-2: Formula: (<= 1 (* 2 v_ULTIMATE.start_main_~y~0_9)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L18-2true [2020-06-22 11:41:55,436 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-2true [27] L18-2-->L18-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ (* (- 2) v_ULTIMATE.start_main_~y~0_8) v_ULTIMATE.start_main_~x~0_8 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L18-2true [2020-06-22 11:41:55,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:41:55,442 INFO L82 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times [2020-06-22 11:41:55,444 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:41:55,445 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:41:55,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:41:55,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:41:55,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:41:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:41:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:41:55,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:41:55,511 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2020-06-22 11:41:55,511 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:41:55,511 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:41:55,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:41:55,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:41:55,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:41:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:41:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:41:55,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:41:55,530 INFO L82 PathProgramCache]: Analyzing trace with hash 2135, now seen corresponding path program 1 times [2020-06-22 11:41:55,530 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:41:55,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:41:55,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:41:55,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:41:55,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:41:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:41:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:41:55,576 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:41:55,577 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:41:55,578 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:41:55,578 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:41:55,578 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 11:41:55,578 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:41:55,578 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:41:55,578 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:41:55,578 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 11:41:55,579 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:41:55,579 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:41:55,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:55,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:55,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:55,687 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:41:55,688 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -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:4560 -smt2 -in -t:12000 [2020-06-22 11:41:55,695 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:41:55,695 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:41:55,728 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:41:55,729 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -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:4560 -smt2 -in -t:12000 [2020-06-22 11:41:55,735 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:41:55,735 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:41:55,762 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:41:55,762 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -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:4560 -smt2 -in -t:12000 [2020-06-22 11:41:55,767 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:41:55,767 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -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:4560 -smt2 -in -t:12000 [2020-06-22 11:41:55,800 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 11:41:55,800 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:41:55,839 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:41:55,839 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=-6, ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~y~0=-6, ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=13}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}] Lambdas: [1, 12, 2] Nus: [0, 0] [2020-06-22 11:41:55,877 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:41:55,877 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:41:55,877 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:41:55,877 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:41:55,878 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 11:41:55,878 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:41:55,878 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:41:55,878 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:41:55,878 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 11:41:55,878 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:41:55,878 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:41:55,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:55,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:55,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:55,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:55,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:55,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:55,989 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:41:55,989 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -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:4560 -smt2 -in -t:12000 [2020-06-22 11:41:55,997 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:41:55,997 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:41:56,001 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:41:56,001 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 /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -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:4560 -smt2 -in -t:12000 [2020-06-22 11:41:56,031 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:41:56,031 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:41:56,059 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:41:56,059 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -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:4560 -smt2 -in -t:12000 [2020-06-22 11:41:56,064 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:41:56,064 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:41:56,068 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:41:56,068 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -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:4560 -smt2 -in -t:12000 [2020-06-22 11:41:56,096 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:41:56,096 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:41:56,100 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:41:56,100 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -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:4560 -smt2 -in -t:12000 [2020-06-22 11:41:56,127 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:41:56,127 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -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:4560 -smt2 -in -t:12000 [2020-06-22 11:41:56,158 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 11:41:56,158 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:41:56,323 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 11:41:56,327 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:41:56,327 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:41:56,327 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:41:56,327 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:41:56,328 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 11:41:56,328 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 11:41:56,328 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:41:56,328 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:41:56,328 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 11:41:56,328 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:41:56,328 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:41:56,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:56,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:56,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:56,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:56,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:56,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:56,407 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:41:56,413 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 11:41:56,414 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 [2020-06-22 11:41:56,416 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,416 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,416 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,417 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:41:56,421 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:41:56,421 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 11:41:56,430 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,430 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 [2020-06-22 11:41:56,431 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,431 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,431 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,432 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,432 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:41:56,432 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 11:41:56,433 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,434 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,434 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 [2020-06-22 11:41:56,434 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,435 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,435 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,435 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,435 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:41:56,436 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 11:41:56,436 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,437 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,437 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 [2020-06-22 11:41:56,437 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,438 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,438 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,438 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,438 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:41:56,439 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 11:41:56,439 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,440 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,440 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 [2020-06-22 11:41:56,441 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,441 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,441 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,441 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:41:56,444 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:41:56,444 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 11:41:56,468 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,469 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 [2020-06-22 11:41:56,469 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,470 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,470 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,470 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:41:56,472 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:41:56,472 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 11:41:56,479 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,479 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-22 11:41:56,479 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 [2020-06-22 11:41:56,480 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,480 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,480 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,481 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:56,483 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 11:41:56,483 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 11:41:56,489 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,489 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 [2020-06-22 11:41:56,490 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,490 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,490 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,490 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,491 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:56,491 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 11:41:56,491 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,492 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,493 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 [2020-06-22 11:41:56,493 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,493 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,493 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,494 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,494 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:56,494 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 11:41:56,494 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,495 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,496 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 [2020-06-22 11:41:56,496 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,496 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,496 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,497 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,497 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:56,497 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 11:41:56,497 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,498 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,499 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 [2020-06-22 11:41:56,499 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,499 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,499 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,500 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:56,503 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 11:41:56,503 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 11:41:56,524 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,525 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 [2020-06-22 11:41:56,526 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,526 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,526 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,526 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:56,528 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 11:41:56,528 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 11:41:56,535 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,535 INFO L497 LassoAnalysis]: Using template '3-nested'. [2020-06-22 11:41:56,536 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 [2020-06-22 11:41:56,536 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,536 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,537 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,537 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:56,539 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:41:56,540 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:41:56,547 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,547 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 [2020-06-22 11:41:56,548 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,548 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,548 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,548 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,548 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:56,549 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:41:56,549 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,550 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,551 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 [2020-06-22 11:41:56,551 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,551 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,551 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,552 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,552 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:56,553 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:41:56,553 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,554 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,554 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 [2020-06-22 11:41:56,554 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,555 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,555 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,555 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,555 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:56,556 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:41:56,556 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,556 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,557 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 [2020-06-22 11:41:56,557 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,558 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,558 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,558 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:56,561 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:41:56,561 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:41:56,585 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,586 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 [2020-06-22 11:41:56,587 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,587 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,587 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,587 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:56,589 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:41:56,589 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:41:56,598 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,598 INFO L497 LassoAnalysis]: Using template '4-nested'. [2020-06-22 11:41:56,599 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 [2020-06-22 11:41:56,599 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,599 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,600 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,600 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:56,602 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 11:41:56,602 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 11:41:56,608 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,609 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 [2020-06-22 11:41:56,609 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,609 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,610 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,610 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,610 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:56,611 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 11:41:56,611 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,613 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,613 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 [2020-06-22 11:41:56,614 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,614 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,614 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,614 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,615 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:56,615 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 11:41:56,617 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,618 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,618 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 [2020-06-22 11:41:56,619 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,619 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,619 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,619 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,619 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:56,620 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 11:41:56,620 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,621 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,621 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 [2020-06-22 11:41:56,622 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,622 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,622 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,622 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:56,626 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 11:41:56,626 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 11:41:56,647 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,648 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 [2020-06-22 11:41:56,648 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:56,648 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,649 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,649 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:56,651 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 11:41:56,651 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 11:41:56,659 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,659 INFO L497 LassoAnalysis]: Using template '2-phase'. [2020-06-22 11:41:56,659 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 [2020-06-22 11:41:56,660 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,660 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:56,661 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,661 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,661 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:56,663 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 11:41:56,663 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 11:41:56,669 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,669 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 [2020-06-22 11:41:56,670 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,670 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:56,670 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,670 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,670 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,670 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:56,671 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 11:41:56,672 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,672 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,673 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 [2020-06-22 11:41:56,673 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,673 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:56,674 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,674 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,674 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,674 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:56,675 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 11:41:56,675 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,675 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,676 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 [2020-06-22 11:41:56,676 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,676 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:56,676 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,677 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,677 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,677 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:56,678 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 11:41:56,678 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,679 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,679 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 [2020-06-22 11:41:56,680 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,680 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:56,680 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,680 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,680 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:56,682 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 11:41:56,682 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 11:41:56,699 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,699 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 [2020-06-22 11:41:56,701 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,701 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:56,701 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,701 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,701 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:56,703 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 11:41:56,703 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 11:41:56,709 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,710 INFO L497 LassoAnalysis]: Using template '3-phase'. [2020-06-22 11:41:56,710 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 [2020-06-22 11:41:56,711 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,711 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 11:41:56,712 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,712 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,712 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:56,714 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:41:56,714 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:41:56,720 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,721 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 [2020-06-22 11:41:56,721 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,722 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 11:41:56,722 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,722 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,722 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,722 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:56,723 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:41:56,723 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,724 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,725 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 [2020-06-22 11:41:56,725 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,725 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 11:41:56,726 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,726 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,726 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,726 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:56,727 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:41:56,727 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,729 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,729 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 [2020-06-22 11:41:56,730 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,730 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 11:41:56,730 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,730 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,730 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,730 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:56,731 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:41:56,731 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,733 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,733 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 [2020-06-22 11:41:56,734 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,734 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 11:41:56,734 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,735 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,735 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:56,737 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:41:56,737 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:41:56,759 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,760 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 [2020-06-22 11:41:56,761 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,761 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 11:41:56,761 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,761 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,761 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:56,764 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:41:56,764 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:41:56,771 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,771 INFO L497 LassoAnalysis]: Using template '4-phase'. [2020-06-22 11:41:56,772 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 [2020-06-22 11:41:56,773 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,773 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:56,773 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,773 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,773 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:56,776 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 11:41:56,776 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 11:41:56,786 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,786 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 [2020-06-22 11:41:56,787 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,788 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:56,788 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,788 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,788 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,788 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:56,790 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 11:41:56,790 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,791 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,791 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 [2020-06-22 11:41:56,792 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,792 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:56,792 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,792 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,792 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,792 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:56,794 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 11:41:56,794 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,795 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,795 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 [2020-06-22 11:41:56,796 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,796 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:56,796 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,797 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,797 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,797 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:56,798 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 11:41:56,798 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,799 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,799 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 [2020-06-22 11:41:56,801 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,801 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:56,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,801 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,801 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:56,805 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 11:41:56,805 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 11:41:56,827 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,827 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 [2020-06-22 11:41:56,828 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,828 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:56,828 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,828 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,828 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:56,831 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 11:41:56,831 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 11:41:56,841 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,842 INFO L497 LassoAnalysis]: Using template '2-lex'. [2020-06-22 11:41:56,842 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 [2020-06-22 11:41:56,843 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,843 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:56,843 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,843 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,843 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:56,845 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:41:56,845 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:41:56,849 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,850 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 [2020-06-22 11:41:56,850 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,851 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:56,851 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,851 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,851 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,851 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:56,852 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:41:56,852 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,854 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,854 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 [2020-06-22 11:41:56,855 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,855 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:56,855 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,855 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,855 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,856 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:56,856 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:41:56,856 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,858 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,858 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 [2020-06-22 11:41:56,858 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,858 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:56,859 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,859 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,859 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,859 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:56,859 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:41:56,860 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,861 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,862 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 [2020-06-22 11:41:56,862 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,862 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:56,863 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,863 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,863 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:56,865 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:41:56,865 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:41:56,884 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,885 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 [2020-06-22 11:41:56,885 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,885 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:56,886 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,886 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,886 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:56,888 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:41:56,888 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:41:56,893 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,893 INFO L497 LassoAnalysis]: Using template '3-lex'. [2020-06-22 11:41:56,893 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 [2020-06-22 11:41:56,894 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,894 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:56,894 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,895 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,895 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 11:41:56,897 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-22 11:41:56,897 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-22 11:41:56,904 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,904 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 [2020-06-22 11:41:56,905 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,905 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:56,905 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,905 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,906 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,906 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 11:41:56,906 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:41:56,906 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,909 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,910 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 [2020-06-22 11:41:56,911 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,911 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:56,911 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,911 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,911 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,911 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 11:41:56,912 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:41:56,912 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,914 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,915 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 [2020-06-22 11:41:56,916 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,916 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:56,916 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:56,916 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,917 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,917 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 11:41:56,917 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:41:56,917 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:56,920 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,920 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 [2020-06-22 11:41:56,921 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,921 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:56,921 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,922 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,922 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 11:41:56,925 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-22 11:41:56,925 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-22 11:41:56,941 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,942 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 [2020-06-22 11:41:56,942 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:56,943 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:56,943 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:56,943 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:56,944 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 11:41:56,946 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-22 11:41:56,946 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-22 11:41:56,953 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:56,954 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-06-22 11:41:56,954 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [37] ULTIMATE.startENTRY-->L18-2: Formula: (<= 1 (* 2 v_ULTIMATE.start_main_~y~0_9)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L18-2true [27] L18-2-->L18-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ (* (- 2) v_ULTIMATE.start_main_~y~0_8) v_ULTIMATE.start_main_~x~0_8 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L18-2true [2020-06-22 11:41:56,954 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-2true [27] L18-2-->L18-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ (* (- 2) v_ULTIMATE.start_main_~y~0_8) v_ULTIMATE.start_main_~x~0_8 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L18-2true [2020-06-22 11:41:56,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:41:56,955 INFO L82 PathProgramCache]: Analyzing trace with hash 2135, now seen corresponding path program 2 times [2020-06-22 11:41:56,955 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:41:56,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:41:56,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:41:56,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:41:56,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:41:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:41:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:41:56,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:41:56,962 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 2 times [2020-06-22 11:41:56,962 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:41:56,962 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:41:56,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:41:56,963 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 11:41:56,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:41:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:41:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:41:56,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:41:56,968 INFO L82 PathProgramCache]: Analyzing trace with hash 66212, now seen corresponding path program 3 times [2020-06-22 11:41:56,968 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:41:56,968 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:41:56,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:41:56,969 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 11:41:56,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:41:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:41:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:41:56,988 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:41:56,988 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:41:56,988 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:41:56,988 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:41:56,988 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 11:41:56,988 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:41:56,988 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:41:56,988 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:41:56,989 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 11:41:56,989 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:41:56,989 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:41:56,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:56,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:57,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:57,054 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:41:57,054 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -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:4560 -smt2 -in -t:12000 [2020-06-22 11:41:57,058 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:41:57,059 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:41:57,086 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:41:57,086 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_4=0} Honda state: {v_rep~unnamed0~0~false_4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -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:4560 -smt2 -in -t:12000 [2020-06-22 11:41:57,144 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:41:57,144 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -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:4560 -smt2 -in -t:12000 [2020-06-22 11:41:57,178 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 11:41:57,178 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:41:57,287 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:41:57,287 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=-6, ULTIMATE.start_main_~x~0=0} Honda state: {ULTIMATE.start_main_~y~0=-6, ULTIMATE.start_main_~x~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=0}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~x~0=13}] Lambdas: [8, 7, 1] Nus: [0, 0] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -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:4560 -smt2 -in -t:12000 [2020-06-22 11:41:57,318 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:41:57,318 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:41:57,346 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:41:57,346 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_4=1} Honda state: {v_rep~unnamed0~0~true_4=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2020-06-22 11:41:57,366 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:41:57,366 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:41:57,366 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:41:57,366 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:41:57,366 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 11:41:57,366 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:41:57,366 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:41:57,367 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:41:57,367 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 11:41:57,367 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:41:57,367 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:41:57,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:57,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:57,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:57,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:57,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:57,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:57,463 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:41:57,463 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -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:4560 -smt2 -in -t:12000 [2020-06-22 11:41:57,470 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:41:57,470 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:41:57,499 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:41:57,499 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -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:4560 -smt2 -in -t:12000 [2020-06-22 11:41:57,511 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:41:57,511 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -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:4560 -smt2 -in -t:12000 [2020-06-22 11:41:57,546 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 11:41:57,546 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:41:57,749 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 11:41:57,753 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:41:57,753 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:41:57,753 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:41:57,753 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:41:57,753 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 11:41:57,754 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 11:41:57,754 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:41:57,754 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:41:57,754 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 11:41:57,754 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:41:57,754 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:41:57,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:57,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:57,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:57,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:57,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:57,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 11:41:57,859 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:41:57,859 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 11:41:57,860 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 [2020-06-22 11:41:57,861 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,861 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,861 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,861 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:41:57,862 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:41:57,862 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 11:41:57,864 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,865 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 [2020-06-22 11:41:57,865 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,865 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:57,865 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,865 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,866 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:41:57,866 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 11:41:57,866 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:57,866 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,867 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 [2020-06-22 11:41:57,867 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,867 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:57,867 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,868 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,868 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:41:57,868 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 11:41:57,868 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:57,868 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,869 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 [2020-06-22 11:41:57,869 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,869 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,870 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,870 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:41:57,870 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:41:57,871 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 11:41:57,873 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,873 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 [2020-06-22 11:41:57,874 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,874 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,874 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,874 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:41:57,875 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:41:57,875 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 11:41:57,880 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,881 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 [2020-06-22 11:41:57,881 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,881 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:57,881 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,881 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,882 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:41:57,882 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 11:41:57,882 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:57,882 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,883 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-22 11:41:57,883 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 [2020-06-22 11:41:57,883 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,884 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,884 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,884 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:57,885 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 11:41:57,885 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 11:41:57,886 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,887 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 [2020-06-22 11:41:57,887 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,887 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:57,888 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,888 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,888 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:57,888 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 11:41:57,888 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:57,889 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,889 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 [2020-06-22 11:41:57,889 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,889 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:57,890 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,890 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,890 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:57,890 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 11:41:57,890 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:57,891 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,891 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 [2020-06-22 11:41:57,891 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,892 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,892 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,892 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:57,893 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 11:41:57,893 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 11:41:57,903 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,903 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 [2020-06-22 11:41:57,904 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,904 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,904 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,904 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:57,906 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 11:41:57,906 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 11:41:57,912 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,913 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 [2020-06-22 11:41:57,914 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,914 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:57,914 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,914 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,914 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:57,914 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 11:41:57,915 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:57,915 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,915 INFO L497 LassoAnalysis]: Using template '3-nested'. [2020-06-22 11:41:57,915 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 [2020-06-22 11:41:57,916 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,916 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,916 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,916 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:57,917 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:41:57,918 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:41:57,920 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,921 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 [2020-06-22 11:41:57,921 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,921 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:57,921 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,921 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,922 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:57,922 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:41:57,922 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:57,922 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,923 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 [2020-06-22 11:41:57,923 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,923 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:57,923 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,924 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,924 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:57,924 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:41:57,924 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:57,925 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,925 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 [2020-06-22 11:41:57,925 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,926 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,926 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,926 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:57,927 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:41:57,927 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:41:57,931 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,931 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 [2020-06-22 11:41:57,932 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,932 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,932 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,932 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:57,934 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:41:57,934 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:41:57,944 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,944 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 [2020-06-22 11:41:57,945 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,945 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:57,945 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,945 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,945 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:57,946 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:41:57,946 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:57,946 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,947 INFO L497 LassoAnalysis]: Using template '4-nested'. [2020-06-22 11:41:57,947 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 [2020-06-22 11:41:57,947 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,947 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,948 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,948 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:57,949 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 11:41:57,949 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 11:41:57,952 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,952 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 [2020-06-22 11:41:57,953 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,953 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:57,953 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,953 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,953 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:57,953 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 11:41:57,954 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:57,954 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,954 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 [2020-06-22 11:41:57,955 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,955 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:57,955 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,955 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,955 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:57,956 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 11:41:57,956 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:57,956 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,956 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 [2020-06-22 11:41:57,957 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,957 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,957 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,957 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:57,959 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 11:41:57,959 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 11:41:57,963 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,963 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 [2020-06-22 11:41:57,964 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,964 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,964 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,964 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:57,966 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 11:41:57,966 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 11:41:57,976 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,977 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 [2020-06-22 11:41:57,977 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:41:57,977 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:57,978 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,978 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,978 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:57,978 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 11:41:57,978 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:57,979 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,979 INFO L497 LassoAnalysis]: Using template '2-phase'. [2020-06-22 11:41:57,979 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 [2020-06-22 11:41:57,980 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:57,980 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:57,980 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,980 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,980 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:57,981 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 11:41:57,981 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 11:41:57,984 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,985 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 [2020-06-22 11:41:57,985 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:57,985 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:57,986 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:57,986 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,986 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,986 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:57,986 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 11:41:57,987 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:57,987 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,987 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 [2020-06-22 11:41:57,988 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:57,988 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:57,988 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:57,988 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,988 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,988 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:57,989 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 11:41:57,989 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:57,989 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,990 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 [2020-06-22 11:41:57,990 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:57,990 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:57,990 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,990 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,991 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:57,992 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 11:41:57,992 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 11:41:57,996 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:57,996 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 [2020-06-22 11:41:57,996 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:57,997 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:57,997 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:57,997 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:57,997 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:57,999 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 11:41:57,999 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 11:41:58,007 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,007 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 [2020-06-22 11:41:58,008 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,008 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:58,008 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:58,008 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,008 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,009 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:41:58,009 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 11:41:58,009 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:58,010 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,010 INFO L497 LassoAnalysis]: Using template '3-phase'. [2020-06-22 11:41:58,010 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 [2020-06-22 11:41:58,011 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,011 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 11:41:58,011 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,011 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,011 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:58,013 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:41:58,013 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:41:58,017 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,018 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 [2020-06-22 11:41:58,018 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,018 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 11:41:58,018 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:58,019 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,019 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,019 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:58,020 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:41:58,020 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:58,021 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,021 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 [2020-06-22 11:41:58,021 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,022 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 11:41:58,022 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:58,022 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,022 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,022 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:58,023 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:41:58,023 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:58,024 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,024 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 [2020-06-22 11:41:58,025 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,025 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 11:41:58,025 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,025 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,025 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:58,027 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:41:58,027 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:41:58,032 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,032 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 [2020-06-22 11:41:58,033 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,033 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 11:41:58,033 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,033 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,034 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:58,036 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:41:58,036 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:41:58,047 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,048 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 [2020-06-22 11:41:58,049 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,049 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 11:41:58,049 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:58,049 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,049 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,049 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:58,050 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:41:58,050 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:58,051 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,052 INFO L497 LassoAnalysis]: Using template '4-phase'. [2020-06-22 11:41:58,052 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 [2020-06-22 11:41:58,053 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,053 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:58,053 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,053 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,053 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:58,055 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 11:41:58,055 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 11:41:58,062 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,063 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 [2020-06-22 11:41:58,063 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,063 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:58,064 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:58,064 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,064 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:58,065 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 11:41:58,065 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:58,066 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,066 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 [2020-06-22 11:41:58,067 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,067 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:58,067 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:58,068 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,068 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,068 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:58,069 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 11:41:58,069 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:58,070 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,070 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 [2020-06-22 11:41:58,071 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,071 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:58,071 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,071 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,071 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:58,073 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 11:41:58,074 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 11:41:58,081 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,082 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 [2020-06-22 11:41:58,083 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,083 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:58,083 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,083 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,083 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:58,086 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 11:41:58,086 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 11:41:58,109 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,109 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 [2020-06-22 11:41:58,110 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,110 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:58,110 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:58,110 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,111 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,111 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:41:58,112 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 11:41:58,112 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:58,112 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,113 INFO L497 LassoAnalysis]: Using template '2-lex'. [2020-06-22 11:41:58,113 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 [2020-06-22 11:41:58,113 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,114 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:58,114 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,114 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,114 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:58,115 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:41:58,115 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:41:58,119 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,119 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 [2020-06-22 11:41:58,120 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,120 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:58,120 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:58,120 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,120 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,121 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:58,121 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:41:58,121 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:58,123 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,123 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 [2020-06-22 11:41:58,123 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,124 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:58,124 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:58,124 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,124 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,124 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:58,125 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:41:58,125 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:58,126 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,126 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 [2020-06-22 11:41:58,127 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,127 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:58,127 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,127 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,127 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:58,129 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:41:58,129 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:41:58,133 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,134 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 [2020-06-22 11:41:58,134 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,134 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:58,134 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,135 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,135 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:58,136 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:41:58,137 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:41:58,151 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,151 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 [2020-06-22 11:41:58,152 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,152 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:41:58,152 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:58,152 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,153 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,153 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:41:58,153 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:41:58,153 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:58,155 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,155 INFO L497 LassoAnalysis]: Using template '3-lex'. [2020-06-22 11:41:58,155 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 [2020-06-22 11:41:58,156 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,156 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:58,156 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,156 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,156 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 11:41:58,158 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-22 11:41:58,158 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-22 11:41:58,164 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,164 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 [2020-06-22 11:41:58,165 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,165 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:58,165 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:58,165 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,165 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,165 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 11:41:58,166 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:41:58,166 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:58,168 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,169 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 [2020-06-22 11:41:58,169 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,170 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:58,170 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:58,170 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,170 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,170 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 11:41:58,171 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:41:58,171 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:58,173 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,174 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 [2020-06-22 11:41:58,174 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,174 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:58,175 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,175 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,175 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 11:41:58,177 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-22 11:41:58,177 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-22 11:41:58,183 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,184 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 [2020-06-22 11:41:58,185 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,185 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:58,185 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,185 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,185 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 11:41:58,188 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-22 11:41:58,188 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-22 11:41:58,203 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,203 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 [2020-06-22 11:41:58,204 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:41:58,204 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:41:58,204 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:41:58,204 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:41:58,204 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:41:58,205 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 11:41:58,205 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:41:58,205 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:41:58,207 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:41:58,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 11:41:58 BasicIcfg [2020-06-22 11:41:58,215 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 11:41:58,215 INFO L168 Benchmark]: Toolchain (without parser) took 3595.83 ms. Allocated memory was 649.6 MB in the beginning and 781.7 MB in the end (delta: 132.1 MB). Free memory was 564.2 MB in the beginning and 557.6 MB in the end (delta: 6.6 MB). Peak memory consumption was 235.7 MB. Max. memory is 50.3 GB. [2020-06-22 11:41:58,217 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 11:41:58,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.47 ms. Allocated memory was 649.6 MB in the beginning and 697.8 MB in the end (delta: 48.2 MB). Free memory was 564.2 MB in the beginning and 664.4 MB in the end (delta: -100.2 MB). Peak memory consumption was 28.8 MB. Max. memory is 50.3 GB. [2020-06-22 11:41:58,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.63 ms. Allocated memory is still 697.8 MB. Free memory was 664.4 MB in the beginning and 663.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 11:41:58,219 INFO L168 Benchmark]: Boogie Preprocessor took 18.74 ms. Allocated memory is still 697.8 MB. Free memory was 663.1 MB in the beginning and 660.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. [2020-06-22 11:41:58,220 INFO L168 Benchmark]: RCFGBuilder took 193.27 ms. Allocated memory is still 697.8 MB. Free memory was 660.0 MB in the beginning and 647.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. [2020-06-22 11:41:58,220 INFO L168 Benchmark]: BlockEncodingV2 took 72.72 ms. Allocated memory is still 697.8 MB. Free memory was 647.0 MB in the beginning and 641.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-06-22 11:41:58,221 INFO L168 Benchmark]: TraceAbstraction took 149.85 ms. Allocated memory is still 697.8 MB. Free memory was 641.6 MB in the beginning and 632.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. [2020-06-22 11:41:58,221 INFO L168 Benchmark]: BuchiAutomizer took 2849.03 ms. Allocated memory was 697.8 MB in the beginning and 781.7 MB in the end (delta: 83.9 MB). Free memory was 632.2 MB in the beginning and 557.6 MB in the end (delta: 74.6 MB). Peak memory consumption was 255.5 MB. Max. memory is 50.3 GB. [2020-06-22 11:41:58,227 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 2 locations, 2 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 649.6 MB. Free memory is still 585.8 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 274.47 ms. Allocated memory was 649.6 MB in the beginning and 697.8 MB in the end (delta: 48.2 MB). Free memory was 564.2 MB in the beginning and 664.4 MB in the end (delta: -100.2 MB). Peak memory consumption was 28.8 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 32.63 ms. Allocated memory is still 697.8 MB. Free memory was 664.4 MB in the beginning and 663.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.74 ms. Allocated memory is still 697.8 MB. Free memory was 663.1 MB in the beginning and 660.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 193.27 ms. Allocated memory is still 697.8 MB. Free memory was 660.0 MB in the beginning and 647.0 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 72.72 ms. Allocated memory is still 697.8 MB. Free memory was 647.0 MB in the beginning and 641.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 149.85 ms. Allocated memory is still 697.8 MB. Free memory was 641.6 MB in the beginning and 632.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 2849.03 ms. Allocated memory was 697.8 MB in the beginning and 781.7 MB in the end (delta: 83.9 MB). Free memory was 632.2 MB in the beginning and 557.6 MB in the end (delta: 74.6 MB). Peak memory consumption was 255.5 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax162 hnf103 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq149 hnf96 smp100 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 8ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "[37] ULTIMATE.startENTRY-->L18-2: Formula: (<= 1 (* 2 v_ULTIMATE.start_main_~y~0_9)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0]" "[27] L18-2-->L18-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ (* (- 2) v_ULTIMATE.start_main_~y~0_8) v_ULTIMATE.start_main_~x~0_8 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0]" Loop: "[27] L18-2-->L18-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ (* (- 2) v_ULTIMATE.start_main_~y~0_8) v_ULTIMATE.start_main_~x~0_8 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0]" RESULT: Ultimate could not prove your program: unable to determine termination !SESSION 2020-06-22 11:41:51.387 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 11:41:58.461 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check