MAYBE Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 05:21:25,421 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 05:21:25,424 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 05:21:25,435 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 05:21:25,435 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 05:21:25,436 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 05:21:25,437 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 05:21:25,439 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 05:21:25,440 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 05:21:25,441 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 05:21:25,442 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 05:21:25,442 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 05:21:25,443 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 05:21:25,444 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 05:21:25,445 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 05:21:25,445 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 05:21:25,446 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 05:21:25,448 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 05:21:25,450 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 05:21:25,451 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 05:21:25,452 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 05:21:25,453 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 05:21:25,455 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 05:21:25,456 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 05:21:25,456 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 05:21:25,456 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 05:21:25,457 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 05:21:25,458 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 05:21:25,458 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 05:21:25,459 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 05:21:25,459 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 05:21:25,460 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 05:21:25,461 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 05:21:25,461 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 05:21:25,462 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 05:21:25,462 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 05:21:25,462 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 05:21:25,463 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 05:21:25,464 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 05:21:25,464 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 05:21:25,478 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 05:21:25,479 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 05:21:25,480 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 05:21:25,480 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 05:21:25,480 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 05:21:25,480 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 05:21:25,480 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 05:21:25,480 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 05:21:25,481 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 05:21:25,481 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 05:21:25,481 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 05:21:25,481 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 05:21:25,481 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 05:21:25,481 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 05:21:25,482 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:21:25,482 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 05:21:25,482 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 05:21:25,482 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 05:21:25,482 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 05:21:25,482 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 05:21:25,483 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 05:21:25,483 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 05:21:25,483 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 05:21:25,483 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 05:21:25,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 05:21:25,484 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 05:21:25,484 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 05:21:25,484 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 05:21:25,484 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 05:21:25,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 05:21:25,523 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 05:21:25,526 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 05:21:25,528 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 05:21:25,528 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 05:21:25,529 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 05:21:25,632 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/a3cf633c6b2b48beb9f5c38e4dc95c18/FLAG13d278031 [2020-06-22 05:21:25,983 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 05:21:25,983 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 05:21:25,990 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/a3cf633c6b2b48beb9f5c38e4dc95c18/FLAG13d278031 [2020-06-22 05:21:26,377 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/a3cf633c6b2b48beb9f5c38e4dc95c18 [2020-06-22 05:21:26,389 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 05:21:26,390 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 05:21:26,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 05:21:26,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 05:21:26,396 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 05:21:26,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 05:21:26" (1/1) ... [2020-06-22 05:21:26,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d7efe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:21:26, skipping insertion in model container [2020-06-22 05:21:26,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 05:21:26" (1/1) ... [2020-06-22 05:21:26,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 05:21:26,425 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 05:21:26,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 05:21:26,582 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 05:21:26,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 05:21:26,666 INFO L195 MainTranslator]: Completed translation [2020-06-22 05:21:26,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:21:26 WrapperNode [2020-06-22 05:21:26,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 05:21:26,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 05:21:26,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 05:21:26,667 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 05:21:26,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:21:26" (1/1) ... [2020-06-22 05:21:26,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:21:26" (1/1) ... [2020-06-22 05:21:26,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 05:21:26,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 05:21:26,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 05:21:26,700 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 05:21:26,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:21:26" (1/1) ... [2020-06-22 05:21:26,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:21:26" (1/1) ... [2020-06-22 05:21:26,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:21:26" (1/1) ... [2020-06-22 05:21:26,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:21:26" (1/1) ... [2020-06-22 05:21:26,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:21:26" (1/1) ... [2020-06-22 05:21:26,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:21:26" (1/1) ... [2020-06-22 05:21:26,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:21:26" (1/1) ... [2020-06-22 05:21:26,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 05:21:26,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 05:21:26,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 05:21:26,719 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 05:21:26,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:21:26" (1/1) ... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 05:21:26,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 05:21:26,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 05:21:26,907 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 05:21:26,907 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 05:21:26,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:21:26 BoogieIcfgContainer [2020-06-22 05:21:26,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 05:21:26,909 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 05:21:26,909 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 05:21:26,911 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 05:21:26,912 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:21:26" (1/1) ... [2020-06-22 05:21:26,926 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2020-06-22 05:21:26,927 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 05:21:26,928 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 05:21:26,929 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 05:21:26,929 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 05:21:26,931 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 05:21:26,932 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 05:21:26,932 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 05:21:26,947 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 05:21:26,962 INFO L200 BlockEncoder]: SBE split 1 edges [2020-06-22 05:21:26,967 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 05:21:26,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 05:21:26,981 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2020-06-22 05:21:26,983 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states [2020-06-22 05:21:26,984 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 05:21:26,985 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 05:21:26,985 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 05:21:26,985 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 05:21:26,985 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 5 edges [2020-06-22 05:21:26,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 05:21:26 BasicIcfg [2020-06-22 05:21:26,986 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 05:21:26,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 05:21:26,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 05:21:26,990 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 05:21:26,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 05:21:26" (1/4) ... [2020-06-22 05:21:26,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a20cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:21:26, skipping insertion in model container [2020-06-22 05:21:26,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:21:26" (2/4) ... [2020-06-22 05:21:26,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a20cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 05:21:26, skipping insertion in model container [2020-06-22 05:21:26,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:21:26" (3/4) ... [2020-06-22 05:21:26,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a20cc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:21:26, skipping insertion in model container [2020-06-22 05:21:26,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 05:21:26" (4/4) ... [2020-06-22 05:21:26,994 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 05:21:27,004 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 05:21:27,011 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 05:21:27,028 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 05:21:27,055 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 05:21:27,056 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 05:21:27,056 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 05:21:27,056 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 05:21:27,056 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 05:21:27,057 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 05:21:27,057 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 05:21:27,057 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 05:21:27,057 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 05:21:27,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. [2020-06-22 05:21:27,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 05:21:27,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. [2020-06-22 05:21:27,127 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 05:21:27,127 INFO L451 ceAbstractionStarter]: At program point L14-2(lines 14 17) the Hoare annotation is: true [2020-06-22 05:21:27,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:21:27 BasicIcfg [2020-06-22 05:21:27,135 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 05:21:27,136 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 05:21:27,136 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 05:21:27,139 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 05:21:27,140 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 05:21:27,140 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 05:21:26" (1/5) ... [2020-06-22 05:21:27,141 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71971ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 05:21:27, skipping insertion in model container [2020-06-22 05:21:27,141 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 05:21:27,141 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 05:21:26" (2/5) ... [2020-06-22 05:21:27,142 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71971ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 05:21:27, skipping insertion in model container [2020-06-22 05:21:27,142 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 05:21:27,142 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 05:21:26" (3/5) ... [2020-06-22 05:21:27,142 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71971ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 05:21:27, skipping insertion in model container [2020-06-22 05:21:27,142 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 05:21:27,143 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 05:21:26" (4/5) ... [2020-06-22 05:21:27,143 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71971ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 05:21:27, skipping insertion in model container [2020-06-22 05:21:27,143 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 05:21:27,143 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 05:21:27" (5/5) ... [2020-06-22 05:21:27,145 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 05:21:27,170 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 05:21:27,170 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 05:21:27,170 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 05:21:27,171 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 05:21:27,171 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 05:21:27,171 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 05:21:27,171 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 05:21:27,171 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 05:21:27,171 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 05:21:27,174 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-22 05:21:27,191 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 05:21:27,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 05:21:27,192 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 05:21:27,197 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 05:21:27,197 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 05:21:27,197 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 05:21:27,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-06-22 05:21:27,198 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 05:21:27,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 05:21:27,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 05:21:27,199 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-06-22 05:21:27,199 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 05:21:27,204 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~x~0_1 (+ v_ULTIMATE.start_main_~y~0_1 42))) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L14-2true [2020-06-22 05:21:27,204 INFO L796 eck$LassoCheckResult]: Loop: 4#L14-2true [27] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_4 v_ULTIMATE.start_main_~x~0_6))) (and (>= .cse0 0) (= v_ULTIMATE.start_main_~y~0_4 (+ (* (- 1) v_ULTIMATE.start_main_~x~0_6) (* 2 v_ULTIMATE.start_main_~y~0_5))) (= (div .cse0 2) v_ULTIMATE.start_main_~x~0_5) (<= 0 v_ULTIMATE.start_main_~x~0_6))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L14-2true [2020-06-22 05:21:27,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:21:27,210 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times [2020-06-22 05:21:27,212 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 05:21:27,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 05:21:27,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:21:27,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 05:21:27,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:21:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:21:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:21:27,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:21:27,280 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2020-06-22 05:21:27,280 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 05:21:27,280 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 05:21:27,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:21:27,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 05:21:27,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:21:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:21:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:21:27,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:21:27,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1546, now seen corresponding path program 1 times [2020-06-22 05:21:27,294 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 05:21:27,295 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 05:21:27,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:21:27,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 05:21:27,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:21:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:21:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:21:27,385 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 05:21:27,386 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 05:21:27,386 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 05:21:27,386 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 05:21:27,386 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 05:21:27,387 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:21:27,387 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 05:21:27,387 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 05:21:27,387 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 05:21:27,387 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 05:21:27,388 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 05:21:27,406 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 05:21:27,413 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 05:21:27,416 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 05:21:27,563 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 05:21:27,563 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:21:27,571 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 05:21:27,571 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 05:21:27,579 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 05:21:27,579 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 05:21:27,608 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 05:21:27,608 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 05:21:27,612 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 05:21:27,612 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 05:21:27,640 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 05:21:27,641 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:21:27,679 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 05:21:27,679 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 05:21:29,232 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 05:21:29,236 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 05:21:29,236 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 05:21:29,236 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 05:21:29,236 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 05:21:29,236 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 05:21:29,236 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 05:21:29,236 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 05:21:29,237 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 05:21:29,237 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 05:21:29,237 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 05:21:29,237 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 05:21:29,239 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 05:21:29,242 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 05:21:29,256 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 05:21:29,319 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 05:21:29,324 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 05:21:29,326 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 05:21:29,328 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:29,328 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:29,329 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,329 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,329 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:21:29,331 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 05:21:29,331 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:29,335 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,335 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 05:21:29,336 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:29,336 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,336 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,336 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:21:29,344 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 05:21:29,344 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 05:21:29,401 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,401 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 05:21:29,423 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:29,423 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:29,423 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,424 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,424 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:21:29,424 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 05:21:29,424 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:29,426 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,426 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-22 05:21:29,427 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 05:21:29,428 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:29,428 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:29,428 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,428 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,428 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 05:21:29,429 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 05:21:29,429 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:29,430 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,430 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:21:29,431 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:29,431 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,431 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,431 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 05:21:29,438 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 05:21:29,439 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 05:21:29,498 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,499 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:21:29,499 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:29,500 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:29,500 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,500 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,500 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 05:21:29,501 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 05:21:29,501 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:29,502 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,502 INFO L497 LassoAnalysis]: Using template '3-nested'. [2020-06-22 05:21:29,502 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 05:21:29,503 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:29,503 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:29,503 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,503 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,503 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 05:21:29,504 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 05:21:29,504 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:29,505 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,505 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 05:21:29,506 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:29,506 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,506 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,506 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 05:21:29,513 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 05:21:29,514 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 05:21:29,557 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,558 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 05:21:29,558 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:29,559 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:29,559 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,559 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,559 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 05:21:29,560 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 05:21:29,560 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:29,560 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,561 INFO L497 LassoAnalysis]: Using template '4-nested'. [2020-06-22 05:21:29,561 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:21:29,561 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:29,562 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:29,562 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,562 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,562 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 05:21:29,563 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 05:21:29,563 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:29,563 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,564 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 05:21:29,564 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:29,565 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,565 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,565 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 05:21:29,572 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 05:21:29,572 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 05:21:29,624 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,624 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 05:21:29,625 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:29,625 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:29,626 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,626 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,626 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 05:21:29,627 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 05:21:29,627 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:29,628 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,628 INFO L497 LassoAnalysis]: Using template '2-phase'. [2020-06-22 05:21:29,629 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 05:21:29,629 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:29,630 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 05:21:29,630 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:29,630 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,630 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,630 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 05:21:29,631 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 05:21:29,631 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:29,632 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,632 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 05:21:29,633 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:29,633 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 05:21:29,633 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,633 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,634 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 05:21:29,638 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 05:21:29,638 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 05:21:29,676 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,677 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 05:21:29,678 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:29,678 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 05:21:29,678 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:29,678 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,679 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,679 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 05:21:29,679 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 05:21:29,680 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:29,680 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,680 INFO L497 LassoAnalysis]: Using template '3-phase'. [2020-06-22 05:21:29,681 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 05:21:29,681 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:29,681 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 05:21:29,682 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:29,682 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,682 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,682 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 05:21:29,683 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 05:21:29,683 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:29,685 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,685 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 05:21:29,686 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:29,686 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 05:21:29,687 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,687 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,687 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 05:21:29,693 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 05:21:29,694 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 05:21:29,742 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,742 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 05:21:29,743 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:29,743 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 05:21:29,743 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:29,743 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,744 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,744 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 05:21:29,745 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 05:21:29,745 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:29,747 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,747 INFO L497 LassoAnalysis]: Using template '4-phase'. [2020-06-22 05:21:29,747 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 05:21:29,748 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:29,748 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 05:21:29,748 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:29,748 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,748 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,749 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 05:21:29,750 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 05:21:29,750 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:29,751 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,752 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 05:21:29,752 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:29,753 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 05:21:29,753 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,753 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,753 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 05:21:29,765 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 05:21:29,766 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 05:21:29,866 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,867 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:21:29,867 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:29,868 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 05:21:29,868 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:29,868 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,868 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,869 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 05:21:29,870 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 05:21:29,870 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:29,871 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,871 INFO L497 LassoAnalysis]: Using template '2-lex'. [2020-06-22 05:21:29,871 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 05:21:29,872 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:29,872 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 05:21:29,872 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:29,873 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,873 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,873 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 05:21:29,873 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 05:21:29,873 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:29,875 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,876 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 05:21:29,877 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:29,877 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 05:21:29,877 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,877 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,877 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 05:21:29,881 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 05:21:29,881 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 05:21:29,910 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,911 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:21:29,911 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:29,912 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 05:21:29,912 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:29,912 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,913 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,913 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 05:21:29,913 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 05:21:29,913 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:29,915 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,915 INFO L497 LassoAnalysis]: Using template '3-lex'. [2020-06-22 05:21:29,916 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 05:21:29,916 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:29,916 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 05:21:29,916 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:29,917 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,917 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,917 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 05:21:29,918 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 05:21:29,918 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:29,920 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,921 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:21:29,922 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:29,922 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 05:21:29,922 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,922 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,922 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 05:21:29,929 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-22 05:21:29,929 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-22 05:21:29,989 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,990 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:21:29,991 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:29,991 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 05:21:29,991 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:29,992 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:29,992 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:29,992 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 05:21:29,993 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 05:21:29,993 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:29,995 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:29,996 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2020-06-22 05:21:29,997 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~x~0_1 (+ v_ULTIMATE.start_main_~y~0_1 42))) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L14-2true [27] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_4 v_ULTIMATE.start_main_~x~0_6))) (and (>= .cse0 0) (= v_ULTIMATE.start_main_~y~0_4 (+ (* (- 1) v_ULTIMATE.start_main_~x~0_6) (* 2 v_ULTIMATE.start_main_~y~0_5))) (= (div .cse0 2) v_ULTIMATE.start_main_~x~0_5) (<= 0 v_ULTIMATE.start_main_~x~0_6))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L14-2true [2020-06-22 05:21:29,997 INFO L796 eck$LassoCheckResult]: Loop: 4#L14-2true [27] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_4 v_ULTIMATE.start_main_~x~0_6))) (and (>= .cse0 0) (= v_ULTIMATE.start_main_~y~0_4 (+ (* (- 1) v_ULTIMATE.start_main_~x~0_6) (* 2 v_ULTIMATE.start_main_~y~0_5))) (= (div .cse0 2) v_ULTIMATE.start_main_~x~0_5) (<= 0 v_ULTIMATE.start_main_~x~0_6))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L14-2true [2020-06-22 05:21:29,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:21:29,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1546, now seen corresponding path program 2 times [2020-06-22 05:21:29,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 05:21:29,998 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 05:21:29,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:21:29,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 05:21:29,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:21:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:21:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:21:30,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:21:30,006 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 2 times [2020-06-22 05:21:30,006 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 05:21:30,006 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 05:21:30,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:21:30,007 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 05:21:30,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:21:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:21:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:21:30,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 05:21:30,011 INFO L82 PathProgramCache]: Analyzing trace with hash 47953, now seen corresponding path program 3 times [2020-06-22 05:21:30,011 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 05:21:30,011 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 05:21:30,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:21:30,012 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 05:21:30,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 05:21:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:21:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 05:21:30,100 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 05:21:30,100 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 05:21:30,100 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 05:21:30,100 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 05:21:30,100 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 05:21:30,100 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:21:30,101 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 05:21:30,101 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 05:21:30,101 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 05:21:30,101 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 05:21:30,101 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 05:21:30,103 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 05:21:30,110 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 05:21:30,132 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 05:21:30,278 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 05:21:30,279 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:21:30,284 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 05:21:30,284 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 05:21:30,293 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 05:21:30,294 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 05:21:30,324 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 05:21:30,324 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 05:21:30,372 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 05:21:30,372 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 05:21:35,519 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 05:21:35,523 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 05:21:35,523 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 05:21:35,524 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 05:21:35,524 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 05:21:35,524 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 05:21:35,524 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 05:21:35,524 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 05:21:35,524 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 05:21:35,524 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 05:21:35,524 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 05:21:35,524 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 05:21:35,526 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 05:21:35,547 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 05:21:35,550 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 05:21:35,635 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 05:21:35,635 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 05:21:35,635 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 05:21:35,636 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:35,636 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,636 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,637 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:21:35,638 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 05:21:35,639 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 05:21:35,650 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,650 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 05:21:35,651 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:35,651 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:35,651 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,651 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,651 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:21:35,652 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 05:21:35,652 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:35,652 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,653 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 05:21:35,653 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:35,653 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:35,653 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,654 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,654 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 05:21:35,654 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 05:21:35,654 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:35,655 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,655 INFO L497 LassoAnalysis]: Using template '2-nested'. [2020-06-22 05:21:35,655 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 05:21:35,655 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:35,656 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,656 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,656 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 05:21:35,658 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 05:21:35,658 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 05:21:35,676 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,676 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:21:35,677 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:35,677 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:35,677 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,677 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,678 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 05:21:35,678 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 05:21:35,678 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:35,678 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,679 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:21:35,679 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:35,679 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:35,679 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,680 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,680 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 05:21:35,680 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 05:21:35,680 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:35,681 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,681 INFO L497 LassoAnalysis]: Using template '3-nested'. [2020-06-22 05:21:35,681 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 05:21:35,681 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:35,682 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,682 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,682 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 05:21:35,685 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 05:21:35,685 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 05:21:35,708 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,709 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 05:21:35,709 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:35,709 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:35,710 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,710 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,710 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 05:21:35,710 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 05:21:35,710 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:35,711 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,711 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 05:21:35,712 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:35,712 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:35,712 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,712 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,712 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 05:21:35,713 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 05:21:35,713 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:35,713 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,713 INFO L497 LassoAnalysis]: Using template '4-nested'. [2020-06-22 05:21:35,714 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 05:21:35,714 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:35,714 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,714 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,715 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 05:21:35,718 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 05:21:35,719 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 05:21:35,743 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,744 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 05:21:35,744 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:35,744 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:35,744 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,745 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,745 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 05:21:35,745 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 05:21:35,745 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:35,746 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,746 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 05:21:35,746 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 05:21:35,746 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:35,747 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,747 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,747 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 05:21:35,747 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 05:21:35,748 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:35,748 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,748 INFO L497 LassoAnalysis]: Using template '2-phase'. [2020-06-22 05:21:35,748 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 05:21:35,749 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:35,749 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 05:21:35,749 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,749 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 05:21:35,753 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-06-22 05:21:35,753 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-06-22 05:21:35,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,784 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 05:21:35,785 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:35,785 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 05:21:35,785 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:35,786 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,786 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,786 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 05:21:35,787 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 05:21:35,787 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:35,787 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,788 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 05:21:35,788 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:35,788 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 05:21:35,788 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:35,789 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,789 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,789 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2020-06-22 05:21:35,789 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-06-22 05:21:35,789 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:35,790 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,790 INFO L497 LassoAnalysis]: Using template '3-phase'. [2020-06-22 05:21:35,790 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 05:21:35,791 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:35,791 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 05:21:35,791 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,791 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,792 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 05:21:35,798 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 05:21:35,798 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 05:21:35,838 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,839 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 05:21:35,839 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:35,839 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 05:21:35,840 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:35,840 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,840 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,840 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 05:21:35,841 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 05:21:35,841 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:35,842 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,842 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:21:35,843 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:35,843 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2020-06-22 05:21:35,843 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:35,843 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,844 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,844 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 05:21:35,844 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 05:21:35,845 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:35,846 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,846 INFO L497 LassoAnalysis]: Using template '4-phase'. [2020-06-22 05:21:35,846 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 05:21:35,847 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:35,847 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 05:21:35,847 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,847 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,847 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 05:21:35,858 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2020-06-22 05:21:35,859 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2020-06-22 05:21:35,953 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,953 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 05:21:35,954 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:35,954 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 05:21:35,955 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:35,955 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,955 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,955 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 05:21:35,956 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 05:21:35,956 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:35,957 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,958 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 05:21:35,958 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:35,958 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 05:21:35,958 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:35,959 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,959 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,959 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2020-06-22 05:21:35,960 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2020-06-22 05:21:35,960 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:35,961 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,961 INFO L497 LassoAnalysis]: Using template '2-lex'. [2020-06-22 05:21:35,961 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 05:21:35,962 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:35,962 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 05:21:35,962 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,962 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,962 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 05:21:35,966 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2020-06-22 05:21:35,966 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-06-22 05:21:35,992 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,993 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:21:35,993 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:35,993 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 05:21:35,993 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:35,994 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,994 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,994 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 05:21:35,994 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 05:21:35,994 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:35,996 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,996 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:21:35,997 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:35,997 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2020-06-22 05:21:35,997 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:35,997 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:35,997 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:35,997 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2020-06-22 05:21:35,998 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-06-22 05:21:35,998 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:35,999 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:35,999 INFO L497 LassoAnalysis]: Using template '3-lex'. [2020-06-22 05:21:36,000 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 05:21:36,000 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:36,001 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 05:21:36,001 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:36,001 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:36,001 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 05:21:36,007 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2020-06-22 05:21:36,007 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2020-06-22 05:21:36,075 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:36,076 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 05:21:36,077 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:36,077 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 05:21:36,077 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:36,077 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:36,077 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:36,077 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 05:21:36,078 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 05:21:36,078 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:36,080 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:36,081 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 05:21:36,082 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2020-06-22 05:21:36,082 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2020-06-22 05:21:36,082 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 05:21:36,082 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 05:21:36,082 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 05:21:36,082 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2020-06-22 05:21:36,083 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 05:21:36,083 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 05:21:36,085 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 05:21:36,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 05:21:36 BasicIcfg [2020-06-22 05:21:36,092 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 05:21:36,093 INFO L168 Benchmark]: Toolchain (without parser) took 9703.60 ms. Allocated memory was 649.6 MB in the beginning and 757.1 MB in the end (delta: 107.5 MB). Free memory was 565.1 MB in the beginning and 466.7 MB in the end (delta: 98.5 MB). Peak memory consumption was 240.0 MB. Max. memory is 50.3 GB. [2020-06-22 05:21:36,095 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 585.7 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 05:21:36,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.28 ms. Allocated memory was 649.6 MB in the beginning and 655.4 MB in the end (delta: 5.8 MB). Free memory was 565.1 MB in the beginning and 623.4 MB in the end (delta: -58.3 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. [2020-06-22 05:21:36,096 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.94 ms. Allocated memory is still 655.4 MB. Free memory was 622.4 MB in the beginning and 619.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. [2020-06-22 05:21:36,097 INFO L168 Benchmark]: Boogie Preprocessor took 17.82 ms. Allocated memory is still 655.4 MB. Free memory was 619.5 MB in the beginning and 618.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. [2020-06-22 05:21:36,097 INFO L168 Benchmark]: RCFGBuilder took 190.57 ms. Allocated memory is still 655.4 MB. Free memory was 618.5 MB in the beginning and 604.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 50.3 GB. [2020-06-22 05:21:36,098 INFO L168 Benchmark]: BlockEncodingV2 took 77.06 ms. Allocated memory is still 655.4 MB. Free memory was 604.7 MB in the beginning and 599.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. [2020-06-22 05:21:36,098 INFO L168 Benchmark]: TraceAbstraction took 148.19 ms. Allocated memory is still 655.4 MB. Free memory was 599.3 MB in the beginning and 590.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. [2020-06-22 05:21:36,099 INFO L168 Benchmark]: BuchiAutomizer took 8956.68 ms. Allocated memory was 655.4 MB in the beginning and 757.1 MB in the end (delta: 101.7 MB). Free memory was 590.6 MB in the beginning and 466.7 MB in the end (delta: 124.0 MB). Peak memory consumption was 259.7 MB. Max. memory is 50.3 GB. [2020-06-22 05:21:36,103 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 6 locations, 7 edges - StatisticsResult: Encoded RCFG 2 locations, 5 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 649.6 MB. Free memory is still 585.7 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 275.28 ms. Allocated memory was 649.6 MB in the beginning and 655.4 MB in the end (delta: 5.8 MB). Free memory was 565.1 MB in the beginning and 623.4 MB in the end (delta: -58.3 MB). Peak memory consumption was 28.9 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 32.94 ms. Allocated memory is still 655.4 MB. Free memory was 622.4 MB in the beginning and 619.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 17.82 ms. Allocated memory is still 655.4 MB. Free memory was 619.5 MB in the beginning and 618.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. * RCFGBuilder took 190.57 ms. Allocated memory is still 655.4 MB. Free memory was 618.5 MB in the beginning and 604.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 77.06 ms. Allocated memory is still 655.4 MB. Free memory was 604.7 MB in the beginning and 599.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. * TraceAbstraction took 148.19 ms. Allocated memory is still 655.4 MB. Free memory was 599.3 MB in the beginning and 590.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 8956.68 ms. Allocated memory was 655.4 MB in the beginning and 757.1 MB in the end (delta: 101.7 MB). Free memory was 590.6 MB in the beginning and 466.7 MB in the end (delta: 124.0 MB). Peak memory consumption was 259.7 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: 14]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 8.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital42 mio100 ax100 hnf95 lsp100 ukn100 mio100 lsp100 div325 bol100 ite100 ukn100 eq112 hnf52 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 75ms VariablesStem: 3 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 5.2s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "[18] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~x~0_1 (+ v_ULTIMATE.start_main_~y~0_1 42))) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|} AuxVars[|v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0]" "[27] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_4 v_ULTIMATE.start_main_~x~0_6))) (and (>= .cse0 0) (= v_ULTIMATE.start_main_~y~0_4 (+ (* (- 1) v_ULTIMATE.start_main_~x~0_6) (* 2 v_ULTIMATE.start_main_~y~0_5))) (= (div .cse0 2) v_ULTIMATE.start_main_~x~0_5) (<= 0 v_ULTIMATE.start_main_~x~0_6))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0]" Loop: "[27] L14-2-->L14-2: Formula: (let ((.cse0 (+ v_ULTIMATE.start_main_~y~0_4 v_ULTIMATE.start_main_~x~0_6))) (and (>= .cse0 0) (= v_ULTIMATE.start_main_~y~0_4 (+ (* (- 1) v_ULTIMATE.start_main_~x~0_6) (* 2 v_ULTIMATE.start_main_~y~0_5))) (= (div .cse0 2) v_ULTIMATE.start_main_~x~0_5) (<= 0 v_ULTIMATE.start_main_~x~0_6))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0]" RESULT: Ultimate could not prove your program: unable to determine termination !SESSION 2020-06-22 05:21:23.084 ----------------------------------------------- eclipse.buildId=unknown java.version=1.8.0_242 java.vendor=Oracle Corporation BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c !ENTRY org.eclipse.core.resources 2 10035 2020-06-22 05:21:36.336 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check