YES Ultimate: Cannot open display: This is Ultimate 0.1.24-8dc7c08-m [2020-06-22 04:22:23,335 INFO L170 SettingsManager]: Resetting all preferences to default values... [2020-06-22 04:22:23,337 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2020-06-22 04:22:23,348 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-06-22 04:22:23,348 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-06-22 04:22:23,349 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-06-22 04:22:23,350 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-06-22 04:22:23,351 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2020-06-22 04:22:23,353 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-06-22 04:22:23,354 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-06-22 04:22:23,354 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-06-22 04:22:23,355 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-06-22 04:22:23,356 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-06-22 04:22:23,356 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-06-22 04:22:23,357 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-06-22 04:22:23,358 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-06-22 04:22:23,359 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-06-22 04:22:23,361 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-06-22 04:22:23,362 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2020-06-22 04:22:23,364 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-06-22 04:22:23,365 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-06-22 04:22:23,366 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-06-22 04:22:23,368 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-06-22 04:22:23,368 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-06-22 04:22:23,368 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-06-22 04:22:23,369 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-06-22 04:22:23,369 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-06-22 04:22:23,370 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-06-22 04:22:23,370 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-06-22 04:22:23,371 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-06-22 04:22:23,372 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-06-22 04:22:23,372 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2020-06-22 04:22:23,374 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-06-22 04:22:23,374 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2020-06-22 04:22:23,374 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-06-22 04:22:23,375 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-06-22 04:22:23,375 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2020-06-22 04:22:23,376 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2020-06-22 04:22:23,376 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2020-06-22 04:22:23,377 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf [2020-06-22 04:22:23,391 INFO L110 SettingsManager]: Loading preferences was successful [2020-06-22 04:22:23,391 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2020-06-22 04:22:23,392 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-06-22 04:22:23,392 INFO L133 SettingsManager]: * Rewrite not-equals=true [2020-06-22 04:22:23,392 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2020-06-22 04:22:23,392 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE [2020-06-22 04:22:23,392 INFO L133 SettingsManager]: * Use SBE=true [2020-06-22 04:22:23,393 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-06-22 04:22:23,393 INFO L133 SettingsManager]: * Use old map elimination=false [2020-06-22 04:22:23,393 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2020-06-22 04:22:23,393 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION [2020-06-22 04:22:23,393 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2020-06-22 04:22:23,393 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-06-22 04:22:23,394 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true [2020-06-22 04:22:23,394 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:23,394 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-06-22 04:22:23,394 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-06-22 04:22:23,394 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2020-06-22 04:22:23,394 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2020-06-22 04:22:23,395 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-06-22 04:22:23,395 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE [2020-06-22 04:22:23,395 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-06-22 04:22:23,395 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-06-22 04:22:23,395 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-06-22 04:22:23,395 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 [2020-06-22 04:22:23,396 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-06-22 04:22:23,396 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-06-22 04:22:23,396 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2020-06-22 04:22:23,396 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-06-22 04:22:23,422 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-06-22 04:22:23,436 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-06-22 04:22:23,439 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-06-22 04:22:23,440 INFO L271 PluginConnector]: Initializing CDTParser... [2020-06-22 04:22:23,441 INFO L276 PluginConnector]: CDTParser initialized [2020-06-22 04:22:23,442 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 04:22:23,524 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/0931e1fab9784020b179c2b247e699c9/FLAGf8c13d3c3 [2020-06-22 04:22:23,862 INFO L307 CDTParser]: Found 1 translation units. [2020-06-22 04:22:23,862 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c [2020-06-22 04:22:23,869 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/0931e1fab9784020b179c2b247e699c9/FLAGf8c13d3c3 [2020-06-22 04:22:24,259 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/0931e1fab9784020b179c2b247e699c9 [2020-06-22 04:22:24,272 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-06-22 04:22:24,274 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. [2020-06-22 04:22:24,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-06-22 04:22:24,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-06-22 04:22:24,280 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2020-06-22 04:22:24,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 04:22:24" (1/1) ... [2020-06-22 04:22:24,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7616c4c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:24, skipping insertion in model container [2020-06-22 04:22:24,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.06 04:22:24" (1/1) ... [2020-06-22 04:22:24,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-06-22 04:22:24,313 INFO L176 MainTranslator]: Built tables and reachable declarations [2020-06-22 04:22:24,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 04:22:24,478 INFO L191 MainTranslator]: Completed pre-run [2020-06-22 04:22:24,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-06-22 04:22:24,573 INFO L195 MainTranslator]: Completed translation [2020-06-22 04:22:24,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:24 WrapperNode [2020-06-22 04:22:24,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-06-22 04:22:24,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-06-22 04:22:24,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-06-22 04:22:24,576 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2020-06-22 04:22:24,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:24" (1/1) ... [2020-06-22 04:22:24,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:24" (1/1) ... [2020-06-22 04:22:24,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-06-22 04:22:24,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-06-22 04:22:24,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-06-22 04:22:24,611 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2020-06-22 04:22:24,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:24" (1/1) ... [2020-06-22 04:22:24,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:24" (1/1) ... [2020-06-22 04:22:24,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:24" (1/1) ... [2020-06-22 04:22:24,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:24" (1/1) ... [2020-06-22 04:22:24,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:24" (1/1) ... [2020-06-22 04:22:24,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:24" (1/1) ... [2020-06-22 04:22:24,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:24" (1/1) ... [2020-06-22 04:22:24,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-06-22 04:22:24,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-06-22 04:22:24,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-06-22 04:22:24,630 INFO L276 PluginConnector]: RCFGBuilder initialized [2020-06-22 04:22:24,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:24" (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 04:22:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-06-22 04:22:24,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-06-22 04:22:24,857 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-06-22 04:22:24,857 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2020-06-22 04:22:24,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:22:24 BoogieIcfgContainer [2020-06-22 04:22:24,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-06-22 04:22:24,859 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- [2020-06-22 04:22:24,859 INFO L271 PluginConnector]: Initializing BlockEncodingV2... [2020-06-22 04:22:24,861 INFO L276 PluginConnector]: BlockEncodingV2 initialized [2020-06-22 04:22:24,862 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:22:24" (1/1) ... [2020-06-22 04:22:24,877 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2020-06-22 04:22:24,879 INFO L258 BlockEncoder]: Using Remove infeasible edges [2020-06-22 04:22:24,879 INFO L263 BlockEncoder]: Using Maximize final states [2020-06-22 04:22:24,880 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false [2020-06-22 04:22:24,880 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE [2020-06-22 04:22:24,882 INFO L296 BlockEncoder]: Using Remove sink states [2020-06-22 04:22:24,883 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true [2020-06-22 04:22:24,883 INFO L179 BlockEncoder]: Using Rewrite not-equals [2020-06-22 04:22:24,898 INFO L185 BlockEncoder]: Using Use SBE [2020-06-22 04:22:24,914 INFO L200 BlockEncoder]: SBE split 2 edges [2020-06-22 04:22:24,919 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility [2020-06-22 04:22:24,921 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 04:22:24,931 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2020-06-22 04:22:24,933 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states [2020-06-22 04:22:24,935 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility [2020-06-22 04:22:24,935 INFO L71 MaximizeFinalStates]: 0 new accepting states [2020-06-22 04:22:24,935 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2020-06-22 04:22:24,936 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states [2020-06-22 04:22:24,936 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges [2020-06-22 04:22:24,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 04:22:24 BasicIcfg [2020-06-22 04:22:24,937 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- [2020-06-22 04:22:24,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-06-22 04:22:24,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-06-22 04:22:24,941 INFO L276 PluginConnector]: TraceAbstraction initialized [2020-06-22 04:22:24,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.06 04:22:24" (1/4) ... [2020-06-22 04:22:24,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2167c36b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:22:24, skipping insertion in model container [2020-06-22 04:22:24,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:24" (2/4) ... [2020-06-22 04:22:24,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2167c36b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.06 04:22:24, skipping insertion in model container [2020-06-22 04:22:24,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:22:24" (3/4) ... [2020-06-22 04:22:24,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2167c36b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:22:24, skipping insertion in model container [2020-06-22 04:22:24,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 04:22:24" (4/4) ... [2020-06-22 04:22:24,945 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 04:22:24,955 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2020-06-22 04:22:24,963 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-06-22 04:22:24,980 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-06-22 04:22:25,008 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 04:22:25,009 INFO L382 AbstractCegarLoop]: Interprodecural is true [2020-06-22 04:22:25,009 INFO L383 AbstractCegarLoop]: Hoare is true [2020-06-22 04:22:25,010 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 04:22:25,010 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 04:22:25,010 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 04:22:25,010 INFO L387 AbstractCegarLoop]: Difference is false [2020-06-22 04:22:25,010 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 04:22:25,010 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-06-22 04:22:25,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-06-22 04:22:25,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-06-22 04:22:25,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-06-22 04:22:25,038 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-06-22 04:22:25,038 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 13 29) no Hoare annotation was computed. [2020-06-22 04:22:25,038 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 23) no Hoare annotation was computed. [2020-06-22 04:22:25,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:22:25 BasicIcfg [2020-06-22 04:22:25,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-06-22 04:22:25,042 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-06-22 04:22:25,042 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-06-22 04:22:25,045 INFO L276 PluginConnector]: BuchiAutomizer initialized [2020-06-22 04:22:25,046 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:22:25,046 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.06 04:22:24" (1/5) ... [2020-06-22 04:22:25,047 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@441045e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 04:22:25, skipping insertion in model container [2020-06-22 04:22:25,047 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:22:25,047 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.06 04:22:24" (2/5) ... [2020-06-22 04:22:25,047 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@441045e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.06 04:22:25, skipping insertion in model container [2020-06-22 04:22:25,048 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:22:25,048 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.06 04:22:24" (3/5) ... [2020-06-22 04:22:25,048 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@441045e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 04:22:25, skipping insertion in model container [2020-06-22 04:22:25,048 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:22:25,048 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 22.06 04:22:24" (4/5) ... [2020-06-22 04:22:25,049 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@441045e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 04:22:25, skipping insertion in model container [2020-06-22 04:22:25,049 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-06-22 04:22:25,049 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.06 04:22:25" (5/5) ... [2020-06-22 04:22:25,050 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 [2020-06-22 04:22:25,079 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2020-06-22 04:22:25,079 INFO L374 BuchiCegarLoop]: Interprodecural is true [2020-06-22 04:22:25,079 INFO L375 BuchiCegarLoop]: Hoare is true [2020-06-22 04:22:25,079 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-06-22 04:22:25,079 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-06-22 04:22:25,079 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-06-22 04:22:25,080 INFO L379 BuchiCegarLoop]: Difference is false [2020-06-22 04:22:25,080 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-06-22 04:22:25,080 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-06-22 04:22:25,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 04:22:25,100 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 04:22:25,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:22:25,100 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:22:25,107 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 04:22:25,108 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 04:22:25,108 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2020-06-22 04:22:25,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-06-22 04:22:25,108 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 04:22:25,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:22:25,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:22:25,109 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 04:22:25,109 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 04:22:25,114 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [23] ULTIMATE.startENTRY-->L19: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 5#L19true [30] L19-->L24-1: Formula: (and (= v_ULTIMATE.start_main_~x~0_5 (- 1)) (= 0 |v_ULTIMATE.start_main_#t~nondet2_5|)) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_5|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 4#L24-1true [2020-06-22 04:22:25,115 INFO L796 eck$LassoCheckResult]: Loop: 4#L24-1true [28] L24-1-->L24-1: Formula: (and (< v_ULTIMATE.start_main_~y~0_8 100) (= v_ULTIMATE.start_main_~z~0_7 (+ v_ULTIMATE.start_main_~z~0_8 (* (- 1) v_ULTIMATE.start_main_~x~0_6))) (< v_ULTIMATE.start_main_~z~0_8 100) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~y~0_8))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 4#L24-1true [2020-06-22 04:22:25,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:25,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1704, now seen corresponding path program 1 times [2020-06-22 04:22:25,123 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:25,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:25,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:25,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:25,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:25,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:25,229 INFO L82 PathProgramCache]: Analyzing trace with hash 59, now seen corresponding path program 1 times [2020-06-22 04:22:25,229 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:25,230 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:25,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:25,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:25,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:25,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:25,245 INFO L82 PathProgramCache]: Analyzing trace with hash 52852, now seen corresponding path program 1 times [2020-06-22 04:22:25,245 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:25,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:25,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:25,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:25,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:25,358 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:22:25,359 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:22:25,359 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:22:25,359 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:22:25,360 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 04:22:25,360 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:25,360 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:22:25,360 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:22:25,360 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 04:22:25,360 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:22:25,361 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:22:25,382 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 04:22:25,392 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 04:22:25,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:25,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:25,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-06-22 04:22:25,406 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 04:22:25,409 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 04:22:25,580 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:22:25,581 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 04:22:25,589 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:25,589 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:25,622 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:25,622 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 04:22:25,629 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:25,629 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:25,633 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:25,633 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 04:22:25,662 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:25,662 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:25,665 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:25,666 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /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 04:22:25,698 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:25,699 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:25,703 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:25,703 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 04:22:25,733 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:25,734 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:25,738 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:25,738 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:25,769 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:25,770 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:25,806 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:25,807 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 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 04:22:25,812 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:25,813 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:25,849 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 04:22:25,849 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:26,165 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 04:22:26,169 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:22:26,190 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:22:26,190 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:22:26,191 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:22:26,191 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 04:22:26,191 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 04:22:26,191 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:22:26,192 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:22:26,192 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Lasso [2020-06-22 04:22:26,192 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:22:26,192 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:22:26,197 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 04:22:26,204 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 04:22:26,207 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 04:22:26,209 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 04:22:26,213 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 04:22:26,217 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 04:22:26,221 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 04:22:26,359 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:22:26,365 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 04:22:26,367 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:22:26,369 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:26,369 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:26,369 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:26,370 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:26,375 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 04:22:26,375 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 04:22:26,384 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:26,384 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:22:26,385 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:26,385 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:26,386 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:26,386 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:26,386 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:26,387 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:26,387 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:26,388 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:26,388 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 04:22:26,389 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:26,389 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:26,389 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:26,389 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:26,389 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:26,390 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:26,390 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:26,391 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:26,391 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 04:22:26,392 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:26,392 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:26,392 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:26,392 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:26,392 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:26,393 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:26,394 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:26,395 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:26,395 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:22:26,396 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:26,396 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:26,396 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:26,396 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:26,396 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:26,397 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:26,397 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:26,398 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:26,398 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:22:26,399 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:26,399 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:26,399 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:26,399 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:26,401 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 04:22:26,402 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 04:22:26,409 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:26,409 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 04:22:26,410 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:26,410 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:26,410 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:26,410 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:26,415 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 04:22:26,416 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 04:22:26,454 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 04:22:26,478 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-06-22 04:22:26,478 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2020-06-22 04:22:26,481 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 04:22:26,483 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-06-22 04:22:26,484 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 04:22:26,484 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0) = -2*ULTIMATE.start_main_~z~0 + 199 Supporting invariants [-1*ULTIMATE.start_main_~x~0 - 1 >= 0] [2020-06-22 04:22:26,488 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-06-22 04:22:26,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:22:26,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 3 conjunts are in the unsatisfiable core [2020-06-22 04:22:26,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:22:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:22:26,567 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 04:22:26,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:22:26,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 04:22:26,592 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 04:22:26,598 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-22 04:22:26,599 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 2 states. [2020-06-22 04:22:26,640 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 2 states. Result 5 states and 7 transitions. Complement of second has 2 states. [2020-06-22 04:22:26,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-06-22 04:22:26,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-06-22 04:22:26,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 7 transitions. [2020-06-22 04:22:26,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. [2020-06-22 04:22:26,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:26,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. [2020-06-22 04:22:26,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:26,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 7 transitions. Stem has 2 letters. Loop has 2 letters. [2020-06-22 04:22:26,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:26,653 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 7 transitions. [2020-06-22 04:22:26,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 04:22:26,657 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 3 states and 4 transitions. [2020-06-22 04:22:26,658 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-06-22 04:22:26,658 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2020-06-22 04:22:26,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 4 transitions. [2020-06-22 04:22:26,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 04:22:26,659 INFO L706 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. [2020-06-22 04:22:26,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 4 transitions. [2020-06-22 04:22:26,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. [2020-06-22 04:22:26,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 04:22:26,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-06-22 04:22:26,703 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. [2020-06-22 04:22:26,703 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 4 transitions. [2020-06-22 04:22:26,703 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2020-06-22 04:22:26,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 4 transitions. [2020-06-22 04:22:26,703 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 04:22:26,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:22:26,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:22:26,704 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 04:22:26,704 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 04:22:26,704 INFO L794 eck$LassoCheckResult]: Stem: 46#ULTIMATE.startENTRY [23] ULTIMATE.startENTRY-->L19: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 47#L19 [35] L19-->L24-1: Formula: (and (< 0 |v_ULTIMATE.start_main_#t~nondet2_3|) (= v_ULTIMATE.start_main_~x~0_4 1)) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_4, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 48#L24-1 [2020-06-22 04:22:26,705 INFO L796 eck$LassoCheckResult]: Loop: 48#L24-1 [28] L24-1-->L24-1: Formula: (and (< v_ULTIMATE.start_main_~y~0_8 100) (= v_ULTIMATE.start_main_~z~0_7 (+ v_ULTIMATE.start_main_~z~0_8 (* (- 1) v_ULTIMATE.start_main_~x~0_6))) (< v_ULTIMATE.start_main_~z~0_8 100) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~y~0_8))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 48#L24-1 [2020-06-22 04:22:26,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:26,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1709, now seen corresponding path program 1 times [2020-06-22 04:22:26,706 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:26,706 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:26,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:26,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:26,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:26,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:26,713 INFO L82 PathProgramCache]: Analyzing trace with hash 59, now seen corresponding path program 2 times [2020-06-22 04:22:26,713 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:26,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:26,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:26,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:26,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:26,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:26,720 INFO L82 PathProgramCache]: Analyzing trace with hash 53007, now seen corresponding path program 1 times [2020-06-22 04:22:26,720 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:26,720 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:26,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:26,722 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 04:22:26,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:26,771 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:22:26,771 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:22:26,771 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:22:26,771 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:22:26,771 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 04:22:26,772 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:26,772 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:22:26,772 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:22:26,772 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso [2020-06-22 04:22:26,772 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:22:26,772 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:22:26,774 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 04:22:26,777 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 04:22:26,789 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 04:22:26,792 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 04:22:26,794 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 04:22:26,797 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 04:22:26,799 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 04:22:26,876 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:22:26,876 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:26,882 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:26,882 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:26,910 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:26,910 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:26,916 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:26,917 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:26,950 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 04:22:26,950 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:27,212 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 04:22:27,215 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:22:27,215 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:22:27,216 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:22:27,216 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:22:27,216 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 04:22:27,216 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 04:22:27,216 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:22:27,216 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:22:27,216 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Lasso [2020-06-22 04:22:27,216 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:22:27,216 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:22:27,218 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 04:22:27,223 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 04:22:27,225 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 04:22:27,229 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 04:22:27,231 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 04:22:27,236 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 04:22:27,239 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 04:22:27,336 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:22:27,337 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 04:22:27,337 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-06-22 04:22:27,338 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:27,338 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:27,338 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:27,338 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:27,340 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 04:22:27,340 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 04:22:27,344 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:27,344 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:22:27,345 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:27,345 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:27,345 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:27,345 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:27,345 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:27,346 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:27,346 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:27,347 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:27,347 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:22:27,347 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:27,347 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:27,348 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:27,348 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:27,348 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:27,348 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:27,348 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:27,349 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:27,349 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:22:27,350 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:27,350 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:27,350 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:27,350 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:27,350 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:27,351 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:27,351 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:27,351 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:27,352 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:22:27,352 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:27,352 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:27,353 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:27,353 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:27,355 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 04:22:27,355 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 04:22:27,359 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:27,359 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:22:27,360 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:27,360 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:27,360 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:27,360 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:27,360 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:27,361 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:27,361 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:27,362 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:27,362 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:22:27,363 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:27,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:27,363 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:27,363 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:27,366 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 04:22:27,366 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 04:22:27,389 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 04:22:27,409 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-06-22 04:22:27,409 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2020-06-22 04:22:27,409 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 04:22:27,411 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-06-22 04:22:27,411 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 04:22:27,411 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~y~0 + 199 Supporting invariants [1*ULTIMATE.start_main_~x~0 - 1 >= 0] [2020-06-22 04:22:27,414 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-06-22 04:22:27,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:22:27,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core [2020-06-22 04:22:27,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:22:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:22:27,458 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 04:22:27,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:22:27,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 04:22:27,470 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 04:22:27,471 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-22 04:22:27,471 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states and 4 transitions. cyclomatic complexity: 2 Second operand 2 states. [2020-06-22 04:22:27,493 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states and 4 transitions. cyclomatic complexity: 2. Second operand 2 states. Result 5 states and 6 transitions. Complement of second has 2 states. [2020-06-22 04:22:27,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-06-22 04:22:27,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-06-22 04:22:27,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. [2020-06-22 04:22:27,495 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 1 letters. [2020-06-22 04:22:27,495 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:27,495 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 1 letters. [2020-06-22 04:22:27,496 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:27,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 2 letters. Loop has 2 letters. [2020-06-22 04:22:27,496 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:27,497 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 6 transitions. [2020-06-22 04:22:27,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 04:22:27,498 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 3 states and 3 transitions. [2020-06-22 04:22:27,498 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-06-22 04:22:27,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2020-06-22 04:22:27,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3 transitions. [2020-06-22 04:22:27,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 04:22:27,498 INFO L706 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-06-22 04:22:27,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 3 transitions. [2020-06-22 04:22:27,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. [2020-06-22 04:22:27,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-06-22 04:22:27,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2020-06-22 04:22:27,499 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-06-22 04:22:27,499 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-06-22 04:22:27,500 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2020-06-22 04:22:27,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 3 transitions. [2020-06-22 04:22:27,500 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-06-22 04:22:27,500 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-06-22 04:22:27,500 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-06-22 04:22:27,500 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-06-22 04:22:27,500 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-06-22 04:22:27,501 INFO L794 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY [23] ULTIMATE.startENTRY-->L19: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 90#L19 [34] L19-->L24-1: Formula: (and (= v_ULTIMATE.start_main_~x~0_4 1) (> 0 |v_ULTIMATE.start_main_#t~nondet2_3|)) InVars {ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_4, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~x~0] 91#L24-1 [2020-06-22 04:22:27,501 INFO L796 eck$LassoCheckResult]: Loop: 91#L24-1 [28] L24-1-->L24-1: Formula: (and (< v_ULTIMATE.start_main_~y~0_8 100) (= v_ULTIMATE.start_main_~z~0_7 (+ v_ULTIMATE.start_main_~z~0_8 (* (- 1) v_ULTIMATE.start_main_~x~0_6))) (< v_ULTIMATE.start_main_~z~0_8 100) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~y~0_8))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0] 91#L24-1 [2020-06-22 04:22:27,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:27,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1708, now seen corresponding path program 1 times [2020-06-22 04:22:27,501 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:27,501 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:27,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:27,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:27,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:27,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:27,507 INFO L82 PathProgramCache]: Analyzing trace with hash 59, now seen corresponding path program 3 times [2020-06-22 04:22:27,507 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:27,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:27,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:27,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-06-22 04:22:27,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:27,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:27,513 INFO L82 PathProgramCache]: Analyzing trace with hash 52976, now seen corresponding path program 1 times [2020-06-22 04:22:27,513 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2020-06-22 04:22:27,513 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2020-06-22 04:22:27,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:27,514 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2020-06-22 04:22:27,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2020-06-22 04:22:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-06-22 04:22:27,552 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:22:27,552 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:22:27,552 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:22:27,552 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:22:27,553 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2020-06-22 04:22:27,553 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:27,553 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:22:27,553 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:22:27,553 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-06-22 04:22:27,553 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:22:27,553 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:22:27,555 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 04:22:27,558 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 04:22:27,562 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 04:22:27,564 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 04:22:27,568 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 04:22:27,571 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 04:22:27,584 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 04:22:27,651 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:22:27,652 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:27,656 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:27,656 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:27,660 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:27,660 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:27,687 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:27,687 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:27,691 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:27,691 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:27,720 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:27,720 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:27,723 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:27,724 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:27,753 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:27,753 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:27,757 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:27,757 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:27,786 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:27,786 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:27,827 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2020-06-22 04:22:27,827 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:27,832 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-06-22 04:22:27,833 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 [2020-06-22 04:22:27,867 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-06-22 04:22:27,868 INFO L163 nArgumentSynthesizer]: Using integer mode. [2020-06-22 04:22:28,145 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-06-22 04:22:28,148 INFO L216 LassoAnalysis]: Preferences: [2020-06-22 04:22:28,148 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2020-06-22 04:22:28,148 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-06-22 04:22:28,148 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2020-06-22 04:22:28,148 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2020-06-22 04:22:28,148 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-06-22 04:22:28,149 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2020-06-22 04:22:28,149 INFO L130 ssoRankerPreferences]: Path of dumped script: [2020-06-22 04:22:28,149 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso [2020-06-22 04:22:28,149 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2020-06-22 04:22:28,149 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2020-06-22 04:22:28,151 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 04:22:28,153 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 04:22:28,155 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 04:22:28,157 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 04:22:28,160 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 04:22:28,162 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 04:22:28,178 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 04:22:28,263 INFO L300 LassoAnalysis]: Preprocessing complete. [2020-06-22 04:22:28,263 INFO L497 LassoAnalysis]: Using template 'affine'. [2020-06-22 04:22:28,264 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:22:28,265 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:28,265 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:28,266 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:28,266 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:28,266 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:28,267 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:28,267 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:28,268 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:28,268 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:22:28,269 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:28,269 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:28,269 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:28,270 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:28,270 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:28,271 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:28,271 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:28,272 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:28,272 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:22:28,273 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:28,274 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:28,274 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:28,274 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:28,275 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:28,275 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:28,275 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:28,276 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:28,277 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:22:28,277 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:28,278 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:28,278 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:28,278 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:28,280 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 04:22:28,280 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 04:22:28,283 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:28,283 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:22:28,284 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:28,284 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-06-22 04:22:28,284 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:28,284 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:28,284 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:28,285 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-06-22 04:22:28,285 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-06-22 04:22:28,285 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-06-22 04:22:28,286 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 04:22:28,286 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2020-06-22 04:22:28,286 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2020-06-22 04:22:28,286 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2020-06-22 04:22:28,287 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2020-06-22 04:22:28,289 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-06-22 04:22:28,289 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-06-22 04:22:28,306 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-06-22 04:22:28,312 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-06-22 04:22:28,312 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2020-06-22 04:22:28,312 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-06-22 04:22:28,315 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-06-22 04:22:28,315 INFO L518 LassoAnalysis]: Proved termination. [2020-06-22 04:22:28,315 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~y~0 + 199 Supporting invariants [1*ULTIMATE.start_main_~x~0 - 1 >= 0] [2020-06-22 04:22:28,317 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-06-22 04:22:28,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-06-22 04:22:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:22:28,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjunts are in the unsatisfiable core [2020-06-22 04:22:28,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:22:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-06-22 04:22:28,357 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-06-22 04:22:28,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2020-06-22 04:22:28,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-06-22 04:22:28,367 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization [2020-06-22 04:22:28,368 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-06-22 04:22:28,368 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1 Second operand 2 states. [2020-06-22 04:22:28,393 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1. Second operand 2 states. Result 4 states and 4 transitions. Complement of second has 2 states. [2020-06-22 04:22:28,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-06-22 04:22:28,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-06-22 04:22:28,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 5 transitions. [2020-06-22 04:22:28,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 1 letters. [2020-06-22 04:22:28,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:28,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 3 letters. Loop has 1 letters. [2020-06-22 04:22:28,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:28,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. [2020-06-22 04:22:28,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-06-22 04:22:28,396 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4 states and 4 transitions. [2020-06-22 04:22:28,396 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 04:22:28,397 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4 states to 0 states and 0 transitions. [2020-06-22 04:22:28,397 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-06-22 04:22:28,397 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-06-22 04:22:28,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-06-22 04:22:28,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-06-22 04:22:28,397 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 04:22:28,397 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 04:22:28,397 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-06-22 04:22:28,397 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2020-06-22 04:22:28,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-06-22 04:22:28,398 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-06-22 04:22:28,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-06-22 04:22:28,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.06 04:22:28 BasicIcfg [2020-06-22 04:22:28,404 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-06-22 04:22:28,404 INFO L168 Benchmark]: Toolchain (without parser) took 4131.91 ms. Allocated memory was 514.9 MB in the beginning and 586.2 MB in the end (delta: 71.3 MB). Free memory was 439.7 MB in the beginning and 382.0 MB in the end (delta: 57.7 MB). Peak memory consumption was 129.0 MB. Max. memory is 50.3 GB. [2020-06-22 04:22:28,406 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 514.9 MB. Free memory is still 459.6 MB. There was no memory consumed. Max. memory is 50.3 GB. [2020-06-22 04:22:28,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.27 ms. Allocated memory was 514.9 MB in the beginning and 561.5 MB in the end (delta: 46.7 MB). Free memory was 439.7 MB in the beginning and 532.4 MB in the end (delta: -92.7 MB). Peak memory consumption was 30.5 MB. Max. memory is 50.3 GB. [2020-06-22 04:22:28,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.17 ms. Allocated memory is still 561.5 MB. Free memory was 532.4 MB in the beginning and 531.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. [2020-06-22 04:22:28,408 INFO L168 Benchmark]: Boogie Preprocessor took 18.82 ms. Allocated memory is still 561.5 MB. Free memory was 531.0 MB in the beginning and 528.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. [2020-06-22 04:22:28,408 INFO L168 Benchmark]: RCFGBuilder took 228.89 ms. Allocated memory is still 561.5 MB. Free memory was 528.8 MB in the beginning and 517.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 50.3 GB. [2020-06-22 04:22:28,409 INFO L168 Benchmark]: BlockEncodingV2 took 77.81 ms. Allocated memory is still 561.5 MB. Free memory was 517.6 MB in the beginning and 512.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 50.3 GB. [2020-06-22 04:22:28,409 INFO L168 Benchmark]: TraceAbstraction took 103.57 ms. Allocated memory is still 561.5 MB. Free memory was 512.3 MB in the beginning and 505.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 50.3 GB. [2020-06-22 04:22:28,410 INFO L168 Benchmark]: BuchiAutomizer took 3362.13 ms. Allocated memory was 561.5 MB in the beginning and 586.2 MB in the end (delta: 24.6 MB). Free memory was 504.9 MB in the beginning and 382.0 MB in the end (delta: 122.9 MB). Peak memory consumption was 147.5 MB. Max. memory is 50.3 GB. [2020-06-22 04:22:28,414 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: - StatisticsResult: Initial Icfg 7 locations, 9 edges - StatisticsResult: Encoded RCFG 3 locations, 5 edges * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 514.9 MB. Free memory is still 459.6 MB. There was no memory consumed. Max. memory is 50.3 GB. * CACSL2BoogieTranslator took 299.27 ms. Allocated memory was 514.9 MB in the beginning and 561.5 MB in the end (delta: 46.7 MB). Free memory was 439.7 MB in the beginning and 532.4 MB in the end (delta: -92.7 MB). Peak memory consumption was 30.5 MB. Max. memory is 50.3 GB. * Boogie Procedure Inliner took 35.17 ms. Allocated memory is still 561.5 MB. Free memory was 532.4 MB in the beginning and 531.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. * Boogie Preprocessor took 18.82 ms. Allocated memory is still 561.5 MB. Free memory was 531.0 MB in the beginning and 528.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 50.3 GB. * RCFGBuilder took 228.89 ms. Allocated memory is still 561.5 MB. Free memory was 528.8 MB in the beginning and 517.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 50.3 GB. * BlockEncodingV2 took 77.81 ms. Allocated memory is still 561.5 MB. Free memory was 517.6 MB in the beginning and 512.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 50.3 GB. * TraceAbstraction took 103.57 ms. Allocated memory is still 561.5 MB. Free memory was 512.3 MB in the beginning and 505.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 50.3 GB. * BuchiAutomizer took 3362.13 ms. Allocated memory was 561.5 MB in the beginning and 586.2 MB in the end (delta: 24.6 MB). Free memory was 504.9 MB in the beginning and 382.0 MB in the end (delta: 122.9 MB). Peak memory consumption was 147.5 MB. Max. memory is 50.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function -2 * z + 199 and consists of 2 locations. One nondeterministic module has affine ranking function -2 * y + 199 and consists of 2 locations. One nondeterministic module has affine ranking function -2 * y + 199 and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 3 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 12 SDslu, 0 SDs, 0 SdLazy, 8 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax159 hnf96 lsp61 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq180 hnf94 smp100 dnf100 smp100 tf100 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 12 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! !SESSION 2020-06-22 04:22:21.014 ----------------------------------------------- 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 04:22:28.678 !MESSAGE The workspace will exit with unsaved changes in this session. Received shutdown request... Ultimate: GTK+ Version Check