NO Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 11:09:25,430 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 11:09:25,432 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 11:09:25,444 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 11:09:25,444 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 11:09:25,445 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 11:09:25,446 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 11:09:25,448 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 11:09:25,449 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 11:09:25,450 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 11:09:25,451 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 11:09:25,451 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 11:09:25,452 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 11:09:25,453 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 11:09:25,454 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 11:09:25,454 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 11:09:25,455 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 11:09:25,457 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 11:09:25,458 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 11:09:25,460 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 11:09:25,461 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 11:09:25,462 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 11:09:25,464 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 11:09:25,464 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 11:09:25,464 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 11:09:25,465 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 11:09:25,465 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 11:09:25,466 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 11:09:25,466 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 11:09:25,467 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 11:09:25,468 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 11:09:25,469 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 11:09:25,470 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 11:09:25,470 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 11:09:25,470 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 11:09:25,470 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 11:09:25,471 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 11:09:25,472 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 11:09:25,473 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 11:09:25,473 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf [2020-06-22 11:09:25,488 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 11:09:25,488 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 11:09:25,489 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 11:09:25,489 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 11:09:25,489 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 11:09:25,490 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 11:09:25,490 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 11:09:25,490 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 11:09:25,490 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 11:09:25,490 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 11:09:25,490 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 11:09:25,491 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 11:09:25,491 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 11:09:25,491 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 11:09:25,491 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:09:25,491 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 11:09:25,491 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 11:09:25,492 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 11:09:25,492 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 11:09:25,492 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 11:09:25,492 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 11:09:25,492 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 11:09:25,492 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 11:09:25,493 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 11:09:25,493 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 11:09:25,493 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 11:09:25,493 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 11:09:25,493 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 11:09:25,493 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 11:09:25,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 11:09:25,532 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 11:09:25,537 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 11:09:25,538 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 11:09:25,539 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 11:09:25,539 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 11:09:25,609 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/1abf4565ebfc41d68f9123f3df258adf/FLAGdaecd1518 [2020-06-22 11:09:25,944 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 11:09:25,945 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c [2020-06-22 11:09:25,951 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/1abf4565ebfc41d68f9123f3df258adf/FLAGdaecd1518 [2020-06-22 11:09:26,375 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/1abf4565ebfc41d68f9123f3df258adf [2020-06-22 11:09:26,394 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 11:09:26,396 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 11:09:26,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 11:09:26,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 11:09:26,404 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 11:09:26,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 11:09:26" (1/1) ... [2020-06-22 11:09:26,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207daea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:09:26, skipping insertion in model container [2020-06-22 11:09:26,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 11:09:26" (1/1) ... [2020-06-22 11:09:26,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 11:09:26,448 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 11:09:26,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 11:09:26,627 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 11:09:26,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 11:09:26,719 INFO L195 MainTranslator]: Completed translation [2020-06-22 11:09:26,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:09:26 WrapperNode [2020-06-22 11:09:26,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 11:09:26,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 11:09:26,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 11:09:26,721 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 11:09:26,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:09:26" (1/1) ... [2020-06-22 11:09:26,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:09:26" (1/1) ... [2020-06-22 11:09:26,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 11:09:26,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 11:09:26,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 11:09:26,757 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 11:09:26,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:09:26" (1/1) ... [2020-06-22 11:09:26,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:09:26" (1/1) ... [2020-06-22 11:09:26,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:09:26" (1/1) ... [2020-06-22 11:09:26,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:09:26" (1/1) ... [2020-06-22 11:09:26,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:09:26" (1/1) ... [2020-06-22 11:09:26,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:09:26" (1/1) ... [2020-06-22 11:09:26,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:09:26" (1/1) ... [2020-06-22 11:09:26,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 11:09:26,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 11:09:26,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 11:09:26,776 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 11:09:26,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:09:26" (1/1) ... No working directory specified, using /export/starexec/sandbox/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 11:09:26,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 11:09:26,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 11:09:27,001 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 11:09:27,001 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 11:09:27,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:09:27 BoogieIcfgContainer [2020-06-22 11:09:27,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 11:09:27,004 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 11:09:27,004 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 11:09:27,007 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 11:09:27,008 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:09:27" (1/1) ... [2020-06-22 11:09:27,024 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-06-22 11:09:27,026 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 11:09:27,027 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 11:09:27,027 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 11:09:27,028 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 11:09:27,030 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 11:09:27,031 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 11:09:27,031 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 11:09:27,048 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 11:09:27,057 INFO L200 BlockEncoder]: SBE split 0 edges [2020-06-22 11:09:27,062 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 11:09:27,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 11:09:27,078 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-06-22 11:09:27,081 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-22 11:09:27,082 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 11:09:27,082 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 11:09:27,082 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 11:09:27,083 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 11:09:27,083 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2020-06-22 11:09:27,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 11:09:27 BasicIcfg [2020-06-22 11:09:27,084 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 11:09:27,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 11:09:27,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 11:09:27,088 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 11:09:27,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 11:09:26" (1/4) ... [2020-06-22 11:09:27,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34267a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:09:27, skipping insertion in model container [2020-06-22 11:09:27,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:09:26" (2/4) ... [2020-06-22 11:09:27,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34267a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 11:09:27, skipping insertion in model container [2020-06-22 11:09:27,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:09:27" (3/4) ... [2020-06-22 11:09:27,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34267a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:09:27, skipping insertion in model container [2020-06-22 11:09:27,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 11:09:27" (4/4) ... [2020-06-22 11:09:27,092 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 11:09:27,102 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 11:09:27,109 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 11:09:27,126 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 11:09:27,154 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 11:09:27,155 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 11:09:27,155 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 11:09:27,155 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 11:09:27,155 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 11:09:27,155 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 11:09:27,155 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 11:09:27,155 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 11:09:27,156 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 11:09:27,170 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-22 11:09:27,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 11:09:27,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-22 11:09:27,240 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 11:09:27,240 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 11) no Hoare annotation was computed. [2020-06-22 11:09:27,241 INFO L451 ceAbstractionStarter]: At program point L10-2(lines 9 12) the Hoare annotation is: true [2020-06-22 11:09:27,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:09:27 BasicIcfg [2020-06-22 11:09:27,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 11:09:27,252 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 11:09:27,253 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 11:09:27,257 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 11:09:27,258 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:09:27,258 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 11:09:26" (1/5) ... [2020-06-22 11:09:27,259 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37df66f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 11:09:27, skipping insertion in model container [2020-06-22 11:09:27,259 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:09:27,260 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 11:09:26" (2/5) ... [2020-06-22 11:09:27,260 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37df66f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 11:09:27, skipping insertion in model container [2020-06-22 11:09:27,260 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:09:27,260 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 11:09:27" (3/5) ... [2020-06-22 11:09:27,261 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37df66f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 11:09:27, skipping insertion in model container [2020-06-22 11:09:27,261 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:09:27,261 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 11:09:27" (4/5) ... [2020-06-22 11:09:27,261 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37df66f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 11:09:27, skipping insertion in model container [2020-06-22 11:09:27,262 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 11:09:27,262 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 11:09:27" (5/5) ... [2020-06-22 11:09:27,264 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 11:09:27,296 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 11:09:27,297 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 11:09:27,297 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 11:09:27,297 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 11:09:27,297 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 11:09:27,297 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 11:09:27,297 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 11:09:27,298 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 11:09:27,298 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 11:09:27,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 11:09:27,322 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 11:09:27,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 11:09:27,323 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 11:09:27,328 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 11:09:27,328 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 11:09:27,329 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 11:09:27,329 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 11:09:27,329 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 11:09:27,330 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 11:09:27,330 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 11:09:27,330 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 11:09:27,330 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 11:09:27,336 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 5#L10-2true [2020-06-22 11:09:27,336 INFO L796 eck$LassoCheckResult]: Loop: 5#L10-2true [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 3#L10true [34] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 49) (>= v_ULTIMATE.start_main_~i~0_11 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 5#L10-2true [2020-06-22 11:09:27,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:09:27,343 INFO L82 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2020-06-22 11:09:27,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:09:27,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:09:27,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:27,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:09:27,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:27,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:09:27,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1925, now seen corresponding path program 1 times [2020-06-22 11:09:27,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:09:27,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:09:27,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:27,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:09:27,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:27,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:09:27,426 INFO L82 PathProgramCache]: Analyzing trace with hash 55741, now seen corresponding path program 1 times [2020-06-22 11:09:27,426 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:09:27,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:09:27,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:27,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:09:27,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 11:09:27,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 11:09:27,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-06-22 11:09:27,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-06-22 11:09:27,518 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:09:27,519 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:09:27,519 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:09:27,519 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:09:27,519 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 11:09:27,520 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:09:27,520 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:09:27,520 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:09:27,520 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 11:09:27,520 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:09:27,520 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:09:27,539 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 11:09:27,549 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 11:09:27,553 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 11:09:27,623 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:09:27,624 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/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 11:09:27,631 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:09:27,631 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:09:27,667 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:09:27,667 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/sandbox/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 11:09:27,673 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:09:27,673 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:09:27,702 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:09:27,702 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/sandbox/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 11:09:27,707 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:09:27,707 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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 11:09:27,745 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 11:09:27,745 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:09:27,752 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 11:09:27,778 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:09:27,779 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:09:27,779 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:09:27,779 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:09:27,779 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 11:09:27,779 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 11:09:27,779 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:09:27,779 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:09:27,780 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop [2020-06-22 11:09:27,780 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:09:27,780 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:09:27,782 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 11:09:27,793 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 11:09:27,800 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 11:09:27,874 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:09:27,880 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 11:09:27,882 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 11:09:27,883 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:27,883 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:09:27,884 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:27,884 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:27,884 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:09:27,888 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 11:09:27,888 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:09:27,900 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 11:09:27,905 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 11:09:27,905 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 11:09:27,908 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 11:09:27,908 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 11:09:27,909 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 11:09:27,909 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2020-06-22 11:09:27,910 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 11:09:27,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:09:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 11:09:27,953 WARN L254 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 11:09:27,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 11:09:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 11:09:27,963 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 11:09:27,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 11:09:27,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 11:09:27,977 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-06-22 11:09:27,982 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-06-22 11:09:27,983 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. [2020-06-22 11:09:28,011 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 7 states and 10 transitions. Complement of second has 4 states. [2020-06-22 11:09:28,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 11:09:28,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 11:09:28,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2020-06-22 11:09:28,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 2 letters. [2020-06-22 11:09:28,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 11:09:28,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 11:09:28,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 11:09:28,019 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 4 letters. [2020-06-22 11:09:28,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 11:09:28,024 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. [2020-06-22 11:09:28,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 11:09:28,029 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 10 transitions. [2020-06-22 11:09:28,030 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-06-22 11:09:28,030 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-06-22 11:09:28,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2020-06-22 11:09:28,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 11:09:28,031 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-06-22 11:09:28,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2020-06-22 11:09:28,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-06-22 11:09:28,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-06-22 11:09:28,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2020-06-22 11:09:28,060 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-06-22 11:09:28,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-06-22 11:09:28,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-06-22 11:09:28,063 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. Second operand 3 states. [2020-06-22 11:09:28,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-06-22 11:09:28,077 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2020-06-22 11:09:28,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-06-22 11:09:28,079 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2020-06-22 11:09:28,080 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 11:09:28,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 5 states and 6 transitions. [2020-06-22 11:09:28,080 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2020-06-22 11:09:28,081 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-06-22 11:09:28,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6 transitions. [2020-06-22 11:09:28,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 11:09:28,081 INFO L706 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2020-06-22 11:09:28,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 6 transitions. [2020-06-22 11:09:28,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2020-06-22 11:09:28,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-06-22 11:09:28,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2020-06-22 11:09:28,083 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2020-06-22 11:09:28,083 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. [2020-06-22 11:09:28,083 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 11:09:28,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 6 transitions. [2020-06-22 11:09:28,083 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-06-22 11:09:28,083 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 11:09:28,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 11:09:28,084 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-06-22 11:09:28,084 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 11:09:28,084 INFO L794 eck$LassoCheckResult]: Stem: 57#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 58#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 55#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 50) (= v_ULTIMATE.start_main_~i~0_8 51)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 56#L10-2 [2020-06-22 11:09:28,085 INFO L796 eck$LassoCheckResult]: Loop: 56#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 59#L10 [34] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 49) (>= v_ULTIMATE.start_main_~i~0_11 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 56#L10-2 [2020-06-22 11:09:28,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:09:28,085 INFO L82 PathProgramCache]: Analyzing trace with hash 55731, now seen corresponding path program 1 times [2020-06-22 11:09:28,085 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:09:28,085 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:09:28,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:28,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:09:28,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:28,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:09:28,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1925, now seen corresponding path program 2 times [2020-06-22 11:09:28,092 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:09:28,093 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:09:28,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:28,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:09:28,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:28,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:09:28,099 INFO L82 PathProgramCache]: Analyzing trace with hash 53558455, now seen corresponding path program 1 times [2020-06-22 11:09:28,099 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:09:28,099 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:09:28,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:28,100 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 11:09:28,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:28,122 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:09:28,123 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:09:28,123 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:09:28,123 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:09:28,123 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 11:09:28,123 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:09:28,123 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:09:28,123 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:09:28,123 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 11:09:28,124 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:09:28,124 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:09:28,125 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 11:09:28,129 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 11:09:28,132 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 11:09:28,186 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:09:28,187 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/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 11:09:28,190 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:09:28,190 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:09:28,218 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:09:28,218 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 11:09:28,224 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:09:28,224 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:09:28,252 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:09:28,252 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 11:09:28,258 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:09:28,258 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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 11:09:28,291 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 11:09:28,291 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:09:28,297 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 11:09:28,322 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:09:28,322 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:09:28,322 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:09:28,322 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:09:28,322 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 11:09:28,322 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 11:09:28,322 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:09:28,323 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:09:28,323 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop [2020-06-22 11:09:28,323 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:09:28,323 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:09:28,325 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 11:09:28,329 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 11:09:28,335 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 11:09:28,390 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:09:28,391 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 11:09:28,391 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 11:09:28,392 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:28,392 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:28,392 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:28,392 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:09:28,396 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:09:28,396 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 11:09:28,401 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:28,401 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 11:09:28,402 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:28,402 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:28,402 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:28,402 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:09:28,405 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:09:28,405 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 11:09:28,412 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:28,413 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 11:09:28,414 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:28,414 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:09:28,414 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:28,414 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:28,415 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:09:28,415 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 11:09:28,416 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:09:28,421 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 11:09:28,424 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 11:09:28,424 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2020-06-22 11:09:28,425 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 11:09:28,425 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 11:09:28,425 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 11:09:28,425 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2020-06-22 11:09:28,426 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 11:09:28,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:09:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 11:09:28,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 11:09:28,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 11:09:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 11:09:28,455 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 11:09:28,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 11:09:28,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 11:09:28,456 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization [2020-06-22 11:09:28,457 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-06-22 11:09:28,457 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 6 transitions. cyclomatic complexity: 2 Second operand 3 states. [2020-06-22 11:09:28,469 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 6 transitions. cyclomatic complexity: 2. Second operand 3 states. Result 7 states and 9 transitions. Complement of second has 4 states. [2020-06-22 11:09:28,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-06-22 11:09:28,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 11:09:28,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2020-06-22 11:09:28,470 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. [2020-06-22 11:09:28,470 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 11:09:28,470 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2020-06-22 11:09:28,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 11:09:28,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 4 letters. [2020-06-22 11:09:28,471 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 11:09:28,472 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 9 transitions. [2020-06-22 11:09:28,473 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-22 11:09:28,473 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 9 transitions. [2020-06-22 11:09:28,473 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-06-22 11:09:28,485 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-06-22 11:09:28,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. [2020-06-22 11:09:28,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 11:09:28,486 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2020-06-22 11:09:28,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. [2020-06-22 11:09:28,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2020-06-22 11:09:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-06-22 11:09:28,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2020-06-22 11:09:28,487 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2020-06-22 11:09:28,488 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2020-06-22 11:09:28,488 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 11:09:28,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2020-06-22 11:09:28,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-22 11:09:28,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 11:09:28,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 11:09:28,489 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 11:09:28,489 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-06-22 11:09:28,489 INFO L794 eck$LassoCheckResult]: Stem: 105#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 106#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 101#L10 [2020-06-22 11:09:28,489 INFO L796 eck$LassoCheckResult]: Loop: 101#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 50) (= v_ULTIMATE.start_main_~i~0_8 51)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 102#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 101#L10 [2020-06-22 11:09:28,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:09:28,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1797, now seen corresponding path program 1 times [2020-06-22 11:09:28,490 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:09:28,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:09:28,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:28,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:09:28,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:28,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:09:28,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1735, now seen corresponding path program 1 times [2020-06-22 11:09:28,501 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:09:28,501 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:09:28,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:28,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:09:28,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:28,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:09:28,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1727691, now seen corresponding path program 2 times [2020-06-22 11:09:28,508 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:09:28,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:09:28,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:28,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:09:28,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:28,528 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:09:28,528 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:09:28,529 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:09:28,529 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:09:28,529 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 11:09:28,529 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:09:28,529 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:09:28,529 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:09:28,529 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 11:09:28,529 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:09:28,529 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:09:28,531 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 11:09:28,534 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 11:09:28,541 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 11:09:28,576 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:09:28,576 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/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 11:09:28,581 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:09:28,582 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:09:28,610 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:09:28,610 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 11:09:28,616 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:09:28,616 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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 11:09:28,650 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 11:09:28,651 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:09:28,717 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 11:09:28,719 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:09:28,719 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:09:28,719 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:09:28,720 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:09:28,720 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 11:09:28,720 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 11:09:28,720 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:09:28,720 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:09:28,720 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop [2020-06-22 11:09:28,720 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:09:28,720 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:09:28,722 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 11:09:28,728 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 11:09:28,730 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 11:09:28,774 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:09:28,774 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 11:09:28,775 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 11:09:28,775 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:28,776 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:09:28,776 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:28,776 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:28,776 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:09:28,777 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 11:09:28,777 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:09:28,782 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 11:09:28,788 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 11:09:28,788 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-22 11:09:28,789 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 11:09:28,789 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-06-22 11:09:28,789 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 11:09:28,789 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 + 50 Supporting invariants [] [2020-06-22 11:09:28,790 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-06-22 11:09:28,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:09:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 11:09:28,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2020-06-22 11:09:28,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 11:09:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 11:09:28,819 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2020-06-22 11:09:28,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 11:09:28,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 11:09:28,866 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization [2020-06-22 11:09:28,866 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-06-22 11:09:28,866 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 3 Second operand 3 states. [2020-06-22 11:09:28,928 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 8 transitions. cyclomatic complexity: 3. Second operand 3 states. Result 18 states and 22 transitions. Complement of second has 10 states. [2020-06-22 11:09:28,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 1 non-accepting loop states 2 accepting loop states [2020-06-22 11:09:28,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 11:09:28,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2020-06-22 11:09:28,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2020-06-22 11:09:28,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 11:09:28,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 4 letters. Loop has 2 letters. [2020-06-22 11:09:28,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 11:09:28,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. [2020-06-22 11:09:28,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 11:09:28,933 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2020-06-22 11:09:28,934 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-06-22 11:09:28,934 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 7 states and 8 transitions. [2020-06-22 11:09:28,935 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-06-22 11:09:28,935 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2020-06-22 11:09:28,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2020-06-22 11:09:28,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-06-22 11:09:28,935 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2020-06-22 11:09:28,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2020-06-22 11:09:28,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2020-06-22 11:09:28,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-06-22 11:09:28,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2020-06-22 11:09:28,936 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-06-22 11:09:28,937 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2020-06-22 11:09:28,937 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2020-06-22 11:09:28,937 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2020-06-22 11:09:28,937 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-06-22 11:09:28,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 11:09:28,938 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 11:09:28,938 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 11:09:28,938 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2020-06-22 11:09:28,938 INFO L794 eck$LassoCheckResult]: Stem: 174#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 175#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 170#L10 [2020-06-22 11:09:28,939 INFO L796 eck$LassoCheckResult]: Loop: 170#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 50) (= v_ULTIMATE.start_main_~i~0_8 51)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 171#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 172#L10 [34] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 49) (>= v_ULTIMATE.start_main_~i~0_11 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 173#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 170#L10 [2020-06-22 11:09:28,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:09:28,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1797, now seen corresponding path program 2 times [2020-06-22 11:09:28,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:09:28,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:09:28,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:28,941 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 11:09:28,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:28,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:09:28,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1668419, now seen corresponding path program 1 times [2020-06-22 11:09:28,945 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:09:28,945 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:09:28,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:28,946 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 11:09:28,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:28,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:09:28,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1660312135, now seen corresponding path program 2 times [2020-06-22 11:09:28,951 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:09:28,952 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:09:28,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:28,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 11:09:28,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:28,998 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:09:28,998 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:09:28,998 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:09:28,998 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:09:28,998 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 11:09:28,999 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 11:09:28,999 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:09:28,999 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:09:28,999 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Lasso [2020-06-22 11:09:28,999 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:09:28,999 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:09:29,001 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 11:09:29,003 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 11:09:29,006 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 11:09:29,009 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 11:09:29,065 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:09:29,065 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox/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 11:09:29,068 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:09:29,068 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:09:29,072 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:09:29,072 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/sandbox/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 11:09:29,100 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:09:29,100 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:09:29,129 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:09:29,129 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 11:09:29,135 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:09:29,135 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:09:29,164 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 11:09:29,164 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_7=0} Honda state: {v_rep~unnamed0~0~false_7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox/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 11:09:29,171 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 11:09:29,171 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox/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 11:09:29,204 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 11:09:29,205 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 11:09:29,243 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 11:09:29,245 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 11:09:29,260 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 11:09:29,260 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 11:09:29,260 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 11:09:29,260 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 11:09:29,260 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 11:09:29,261 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 11:09:29,261 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 11:09:29,261 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Lasso [2020-06-22 11:09:29,261 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 11:09:29,261 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 11:09:29,263 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 11:09:29,265 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 11:09:29,269 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 11:09:29,279 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 11:09:29,337 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 11:09:29,337 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 11:09:29,337 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 11:09:29,338 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:29,338 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:09:29,339 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,339 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,339 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:09:29,339 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 11:09:29,339 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:09:29,340 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,341 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 11:09:29,341 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:29,341 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,341 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,341 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:09:29,343 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:09:29,343 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 11:09:29,350 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,350 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 11:09:29,351 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:29,351 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,351 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,351 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:09:29,354 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:09:29,354 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 11:09:29,368 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,368 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 11:09:29,369 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:29,369 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,369 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,369 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 11:09:29,371 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:09:29,371 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 11:09:29,374 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,375 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-22 11:09:29,375 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 11:09:29,376 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:29,376 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:09:29,376 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,376 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,376 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:09:29,377 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 11:09:29,377 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:09:29,378 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,378 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 11:09:29,379 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:29,379 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,379 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,379 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:09:29,381 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 11:09:29,381 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 11:09:29,389 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,389 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 11:09:29,390 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:29,390 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,390 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,390 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:09:29,393 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 11:09:29,393 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 11:09:29,408 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,409 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 11:09:29,410 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:29,410 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,410 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,410 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:09:29,412 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 11:09:29,412 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 11:09:29,415 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,415 INFO L497 LassoAnalysis]: Using template '3-nested'. [2020-06-22 11:09:29,415 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 11:09:29,416 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:29,416 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:09:29,416 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,416 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,416 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:09:29,417 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:09:29,417 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:09:29,418 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,418 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 11:09:29,418 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:29,419 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,419 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,419 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:09:29,421 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:09:29,421 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:09:29,429 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,429 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 11:09:29,430 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:29,430 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,430 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,430 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:09:29,433 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:09:29,433 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:09:29,449 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,450 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 11:09:29,450 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:29,451 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,451 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,451 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:09:29,453 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:09:29,453 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:09:29,458 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,458 INFO L497 LassoAnalysis]: Using template '4-nested'. [2020-06-22 11:09:29,458 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 11:09:29,459 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:29,459 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:09:29,459 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,459 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,459 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:09:29,460 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 11:09:29,460 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:09:29,461 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,461 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 11:09:29,462 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:29,462 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,462 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,462 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:09:29,466 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 11:09:29,466 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 11:09:29,474 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,474 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 11:09:29,475 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:29,475 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,475 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,475 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:09:29,478 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 11:09:29,478 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 11:09:29,496 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,496 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 11:09:29,497 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 11:09:29,497 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,497 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,497 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:09:29,499 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 11:09:29,499 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 11:09:29,503 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,503 INFO L497 LassoAnalysis]: Using template '2-phase'. [2020-06-22 11:09:29,505 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 11:09:29,506 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,506 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:09:29,506 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:09:29,506 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,506 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,507 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:09:29,507 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 11:09:29,507 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:09:29,508 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,508 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 11:09:29,509 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,509 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:09:29,509 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,509 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,509 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:09:29,511 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 11:09:29,511 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 11:09:29,517 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,518 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 11:09:29,518 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,518 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:09:29,518 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,519 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,519 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:09:29,520 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 11:09:29,520 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 11:09:29,534 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,534 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 11:09:29,535 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,535 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:09:29,535 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,535 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,535 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 11:09:29,537 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 11:09:29,537 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 11:09:29,541 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,541 INFO L497 LassoAnalysis]: Using template '3-phase'. [2020-06-22 11:09:29,542 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 11:09:29,542 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,542 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 11:09:29,543 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:09:29,543 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,543 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,543 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:09:29,544 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:09:29,544 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:09:29,546 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,546 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 11:09:29,547 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,547 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 11:09:29,547 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,547 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,547 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:09:29,549 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:09:29,549 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:09:29,559 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,559 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 11:09:29,560 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,560 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 11:09:29,560 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,561 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,561 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:09:29,563 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:09:29,563 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:09:29,582 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,582 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 11:09:29,583 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,583 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 11:09:29,583 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,584 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,584 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:09:29,586 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:09:29,586 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:09:29,591 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,591 INFO L497 LassoAnalysis]: Using template '4-phase'. [2020-06-22 11:09:29,591 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 11:09:29,592 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,592 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:09:29,592 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:09:29,593 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,593 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,593 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:09:29,594 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 11:09:29,594 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:09:29,595 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,595 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 11:09:29,596 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,596 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:09:29,596 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,596 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,596 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:09:29,599 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 11:09:29,599 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 11:09:29,610 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,610 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 11:09:29,611 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,611 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:09:29,611 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,611 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,612 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:09:29,615 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 11:09:29,615 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 11:09:29,640 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,641 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 11:09:29,641 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,642 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:09:29,642 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,642 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,642 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 11:09:29,644 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 11:09:29,645 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 11:09:29,653 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,654 INFO L497 LassoAnalysis]: Using template '2-lex'. [2020-06-22 11:09:29,654 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 11:09:29,655 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,655 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:09:29,655 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:09:29,655 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,655 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,656 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:09:29,656 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 11:09:29,656 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:09:29,658 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,658 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 11:09:29,659 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,659 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:09:29,659 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,659 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,660 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:09:29,661 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:09:29,661 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:09:29,666 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,667 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 11:09:29,667 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,668 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:09:29,668 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,668 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,668 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:09:29,670 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:09:29,670 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:09:29,691 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,692 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 11:09:29,692 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,692 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 11:09:29,693 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,693 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,693 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 11:09:29,695 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 11:09:29,695 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 11:09:29,699 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,699 INFO L497 LassoAnalysis]: Using template '3-lex'. [2020-06-22 11:09:29,700 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 11:09:29,700 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,700 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:09:29,701 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 11:09:29,701 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,701 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,701 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 11:09:29,731 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 11:09:29,731 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 11:09:29,735 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,736 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 11:09:29,736 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,736 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:09:29,737 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,737 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,737 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 11:09:29,739 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-22 11:09:29,739 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-22 11:09:29,748 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,748 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 11:09:29,749 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,749 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:09:29,749 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,749 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 11:09:29,752 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-22 11:09:29,752 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-22 11:09:29,803 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,803 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 11:09:29,804 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 11:09:29,804 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 11:09:29,804 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 11:09:29,804 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 11:09:29,804 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 11:09:29,807 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-22 11:09:29,807 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-22 11:09:29,814 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 11:09:29,814 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-06-22 11:09:29,815 INFO L794 eck$LassoCheckResult]: Stem: 174#ULTIMATE.startENTRY [26] ULTIMATE.startENTRY-->L10-2: Formula: (= v_ULTIMATE.start_main_~i~0_1 0) InVars {} OutVars{ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 175#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 170#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 50) (= v_ULTIMATE.start_main_~i~0_8 51)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 171#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 172#L10 [34] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 49) (>= v_ULTIMATE.start_main_~i~0_11 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 173#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 170#L10 [2020-06-22 11:09:29,815 INFO L796 eck$LassoCheckResult]: Loop: 170#L10 [24] L10-->L10-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_9 50) (= v_ULTIMATE.start_main_~i~0_8 51)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 171#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 172#L10 [34] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_10 49) (>= v_ULTIMATE.start_main_~i~0_11 50)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 173#L10-2 [30] L10-2-->L10: Formula: (< v_ULTIMATE.start_main_~i~0_7 100) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[] 170#L10 [2020-06-22 11:09:29,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:09:29,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1660312135, now seen corresponding path program 3 times [2020-06-22 11:09:29,815 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:09:29,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:09:29,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:29,817 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 11:09:29,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:29,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:09:29,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1668419, now seen corresponding path program 2 times [2020-06-22 11:09:29,822 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:09:29,822 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:09:29,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:29,823 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 11:09:29,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:29,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 11:09:29,827 INFO L82 PathProgramCache]: Analyzing trace with hash -265470839, now seen corresponding path program 4 times [2020-06-22 11:09:29,827 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 11:09:29,827 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 11:09:29,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:29,828 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 11:09:29,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 11:09:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 11:09:29,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 11:09:29 BasicIcfg [2020-06-22 11:09:29,898 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 11:09:29,898 INFO L168 Benchmark]: Toolchain (without parser) took 3503.48 ms. Allocated memory was 514.9 MB in the beginning and 597.7 MB in the end (delta: 82.8 MB). Free memory was 437.7 MB in the beginning and 524.7 MB in the end (delta: -87.0 MB). There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 11:09:29,900 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 457.1 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 11:09:29,900 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.85 ms. Allocated memory was 514.9 MB in the beginning and 560.5 MB in the end (delta: 45.6 MB). Free memory was 437.7 MB in the beginning and 532.5 MB in the end (delta: -94.8 MB). Peak memory consumption was 31.0 MB. Max. memory is 50.3 GB. [2020-06-22 11:09:29,901 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.94 ms. Allocated memory is still 560.5 MB. Free memory was 532.5 MB in the beginning and 530.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. [2020-06-22 11:09:29,901 INFO L168 Benchmark]: Boogie Preprocessor took 18.66 ms. Allocated memory is still 560.5 MB. Free memory was 530.9 MB in the beginning and 529.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 11:09:29,902 INFO L168 Benchmark]: RCFGBuilder took 227.63 ms. Allocated memory is still 560.5 MB. Free memory was 529.6 MB in the beginning and 519.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 50.3 GB. [2020-06-22 11:09:29,903 INFO L168 Benchmark]: BlockEncodingV2 took 80.11 ms. Allocated memory is still 560.5 MB. Free memory was 519.6 MB in the beginning and 514.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 50.3 GB. [2020-06-22 11:09:29,903 INFO L168 Benchmark]: TraceAbstraction took 167.29 ms. Allocated memory is still 560.5 MB. Free memory was 514.1 MB in the beginning and 505.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 50.3 GB. [2020-06-22 11:09:29,904 INFO L168 Benchmark]: BuchiAutomizer took 2645.18 ms. Allocated memory was 560.5 MB in the beginning and 597.7 MB in the end (delta: 37.2 MB). Free memory was 505.6 MB in the beginning and 524.7 MB in the end (delta: -19.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 50.3 GB. [2020-06-22 11:09:29,908 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 3 locations, 4 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 514.9 MB. Free memory is still 457.1 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 322.85 ms. Allocated memory was 514.9 MB in the beginning and 560.5 MB in the end (delta: 45.6 MB). Free memory was 437.7 MB in the beginning and 532.5 MB in the end (delta: -94.8 MB). Peak memory consumption was 31.0 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 34.94 ms. Allocated memory is still 560.5 MB. Free memory was 532.5 MB in the beginning and 530.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.66 ms. Allocated memory is still 560.5 MB. Free memory was 530.9 MB in the beginning and 529.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * RCFGBuilder took 227.63 ms. Allocated memory is still 560.5 MB. Free memory was 529.6 MB in the beginning and 519.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 80.11 ms. Allocated memory is still 560.5 MB. Free memory was 519.6 MB in the beginning and 514.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 50.3 GB. * TraceAbstraction took 167.29 ms. Allocated memory is still 560.5 MB. Free memory was 514.1 MB in the beginning and 505.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 2645.18 ms. Allocated memory was 560.5 MB in the beginning and 597.7 MB in the end (delta: 37.2 MB). Free memory was 505.6 MB in the beginning and 524.7 MB in the end (delta: -19.1 MB). Peak memory consumption was 18.1 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: 9]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 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=3occurred 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 Your program was decomposed into 4 terminating modules (1 trivial, 0 deterministic, 3 nondeterministic) and one nonterminating remainder module.One nondeterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function -1 * i + 50 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 16 SDslu, 0 SDs, 0 SdLazy, 31 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax222 hnf100 lsp45 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq140 hnf92 smp100 dnf100 smp100 tf115 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 10]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {\result=0, i=49} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 10]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = 0 [L9] COND TRUE i < 100 [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 [L9] COND TRUE i < 100 Loop: [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 [L9] COND TRUE i < 100 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! !SESSION 2020-06-22 11:09:23.095 ----------------------------------------------- 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/sandbox/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/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 11:09:30.143 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check