25.48/16.83 YES 25.48/16.83 25.48/16.84 Ultimate: Cannot open display: 25.48/16.84 This is Ultimate 0.1.24-8dc7c08-m 25.48/16.84 [2019-03-29 02:00:15,407 INFO L170 SettingsManager]: Resetting all preferences to default values... 25.48/16.84 [2019-03-29 02:00:15,410 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 25.48/16.84 [2019-03-29 02:00:15,421 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 25.48/16.84 [2019-03-29 02:00:15,421 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 25.48/16.84 [2019-03-29 02:00:15,422 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 25.48/16.84 [2019-03-29 02:00:15,423 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 25.48/16.84 [2019-03-29 02:00:15,425 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 25.48/16.84 [2019-03-29 02:00:15,426 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 25.48/16.84 [2019-03-29 02:00:15,427 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 25.48/16.84 [2019-03-29 02:00:15,428 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 25.48/16.84 [2019-03-29 02:00:15,428 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 25.48/16.84 [2019-03-29 02:00:15,429 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 25.48/16.84 [2019-03-29 02:00:15,430 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 25.48/16.84 [2019-03-29 02:00:15,431 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 25.48/16.84 [2019-03-29 02:00:15,432 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 25.48/16.84 [2019-03-29 02:00:15,432 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 25.48/16.84 [2019-03-29 02:00:15,434 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 25.48/16.84 [2019-03-29 02:00:15,436 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 25.48/16.84 [2019-03-29 02:00:15,437 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 25.48/16.84 [2019-03-29 02:00:15,438 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 25.48/16.84 [2019-03-29 02:00:15,440 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 25.48/16.84 [2019-03-29 02:00:15,442 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 25.48/16.84 [2019-03-29 02:00:15,442 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 25.48/16.84 [2019-03-29 02:00:15,442 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 25.48/16.84 [2019-03-29 02:00:15,443 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 25.48/16.84 [2019-03-29 02:00:15,443 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 25.48/16.84 [2019-03-29 02:00:15,445 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 25.48/16.84 [2019-03-29 02:00:15,445 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 25.48/16.84 [2019-03-29 02:00:15,446 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 25.48/16.84 [2019-03-29 02:00:15,446 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 25.48/16.84 [2019-03-29 02:00:15,447 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 25.48/16.84 [2019-03-29 02:00:15,448 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 25.48/16.84 [2019-03-29 02:00:15,448 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 25.48/16.84 [2019-03-29 02:00:15,449 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 25.48/16.84 [2019-03-29 02:00:15,449 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 25.48/16.84 [2019-03-29 02:00:15,449 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 25.48/16.84 [2019-03-29 02:00:15,450 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 25.48/16.84 [2019-03-29 02:00:15,451 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 25.48/16.84 [2019-03-29 02:00:15,451 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 25.48/16.84 [2019-03-29 02:00:15,465 INFO L110 SettingsManager]: Loading preferences was successful 25.48/16.84 [2019-03-29 02:00:15,466 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 25.48/16.84 [2019-03-29 02:00:15,467 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 25.48/16.84 [2019-03-29 02:00:15,467 INFO L133 SettingsManager]: * Rewrite not-equals=true 25.48/16.84 [2019-03-29 02:00:15,467 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 25.48/16.84 [2019-03-29 02:00:15,468 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 25.48/16.84 [2019-03-29 02:00:15,468 INFO L133 SettingsManager]: * Use SBE=true 25.48/16.84 [2019-03-29 02:00:15,468 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 25.48/16.84 [2019-03-29 02:00:15,468 INFO L133 SettingsManager]: * Use old map elimination=false 25.48/16.84 [2019-03-29 02:00:15,468 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 25.48/16.84 [2019-03-29 02:00:15,469 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 25.48/16.84 [2019-03-29 02:00:15,469 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 25.48/16.84 [2019-03-29 02:00:15,469 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 25.48/16.84 [2019-03-29 02:00:15,469 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 25.48/16.84 [2019-03-29 02:00:15,469 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.48/16.84 [2019-03-29 02:00:15,469 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 25.48/16.84 [2019-03-29 02:00:15,470 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 25.48/16.84 [2019-03-29 02:00:15,470 INFO L133 SettingsManager]: * Check division by zero=IGNORE 25.48/16.84 [2019-03-29 02:00:15,470 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 25.48/16.84 [2019-03-29 02:00:15,470 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 25.48/16.84 [2019-03-29 02:00:15,470 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 25.48/16.84 [2019-03-29 02:00:15,471 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 25.48/16.84 [2019-03-29 02:00:15,471 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 25.48/16.84 [2019-03-29 02:00:15,471 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 25.48/16.84 [2019-03-29 02:00:15,471 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 25.48/16.84 [2019-03-29 02:00:15,471 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 25.48/16.84 [2019-03-29 02:00:15,472 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 25.48/16.84 [2019-03-29 02:00:15,472 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 25.48/16.84 [2019-03-29 02:00:15,472 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 25.48/16.84 [2019-03-29 02:00:15,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 25.48/16.84 [2019-03-29 02:00:15,511 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 25.48/16.84 [2019-03-29 02:00:15,515 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 25.48/16.84 [2019-03-29 02:00:15,516 INFO L271 PluginConnector]: Initializing CDTParser... 25.48/16.84 [2019-03-29 02:00:15,517 INFO L276 PluginConnector]: CDTParser initialized 25.48/16.84 [2019-03-29 02:00:15,518 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 25.48/16.84 [2019-03-29 02:00:15,577 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/f695a5a362a64656b21f3cd972080468/FLAGeed3bbf8a 25.48/16.84 [2019-03-29 02:00:15,940 INFO L307 CDTParser]: Found 1 translation units. 25.48/16.84 [2019-03-29 02:00:15,941 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 25.48/16.84 [2019-03-29 02:00:15,948 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/f695a5a362a64656b21f3cd972080468/FLAGeed3bbf8a 25.48/16.84 [2019-03-29 02:00:16,332 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/f695a5a362a64656b21f3cd972080468 25.48/16.84 [2019-03-29 02:00:16,344 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 25.48/16.84 [2019-03-29 02:00:16,345 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 25.48/16.84 [2019-03-29 02:00:16,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 25.48/16.84 [2019-03-29 02:00:16,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 25.48/16.84 [2019-03-29 02:00:16,350 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 25.48/16.84 [2019-03-29 02:00:16,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:00:16" (1/1) ... 25.48/16.84 [2019-03-29 02:00:16,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a96a692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:00:16, skipping insertion in model container 25.48/16.84 [2019-03-29 02:00:16,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:00:16" (1/1) ... 25.48/16.84 [2019-03-29 02:00:16,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 25.48/16.84 [2019-03-29 02:00:16,381 INFO L176 MainTranslator]: Built tables and reachable declarations 25.48/16.84 [2019-03-29 02:00:16,537 INFO L206 PostProcessor]: Analyzing one entry point: main 25.48/16.84 [2019-03-29 02:00:16,541 INFO L191 MainTranslator]: Completed pre-run 25.48/16.84 [2019-03-29 02:00:16,560 INFO L206 PostProcessor]: Analyzing one entry point: main 25.48/16.84 [2019-03-29 02:00:16,574 INFO L195 MainTranslator]: Completed translation 25.48/16.84 [2019-03-29 02:00:16,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:00:16 WrapperNode 25.48/16.84 [2019-03-29 02:00:16,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 25.48/16.84 [2019-03-29 02:00:16,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 25.48/16.84 [2019-03-29 02:00:16,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 25.48/16.84 [2019-03-29 02:00:16,576 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 25.48/16.84 [2019-03-29 02:00:16,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:00:16" (1/1) ... 25.48/16.84 [2019-03-29 02:00:16,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:00:16" (1/1) ... 25.48/16.84 [2019-03-29 02:00:16,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 25.48/16.84 [2019-03-29 02:00:16,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 25.48/16.84 [2019-03-29 02:00:16,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 25.48/16.84 [2019-03-29 02:00:16,666 INFO L276 PluginConnector]: Boogie Preprocessor initialized 25.48/16.84 [2019-03-29 02:00:16,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:00:16" (1/1) ... 25.48/16.84 [2019-03-29 02:00:16,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:00:16" (1/1) ... 25.48/16.84 [2019-03-29 02:00:16,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:00:16" (1/1) ... 25.48/16.84 [2019-03-29 02:00:16,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:00:16" (1/1) ... 25.48/16.84 [2019-03-29 02:00:16,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:00:16" (1/1) ... 25.48/16.84 [2019-03-29 02:00:16,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:00:16" (1/1) ... 25.48/16.84 [2019-03-29 02:00:16,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:00:16" (1/1) ... 25.48/16.84 [2019-03-29 02:00:16,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 25.48/16.84 [2019-03-29 02:00:16,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 25.48/16.84 [2019-03-29 02:00:16,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... 25.48/16.84 [2019-03-29 02:00:16,687 INFO L276 PluginConnector]: RCFGBuilder initialized 25.48/16.84 [2019-03-29 02:00:16,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:00:16" (1/1) ... 25.48/16.84 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 25.48/16.84 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 25.48/16.84 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 25.48/16.84 [2019-03-29 02:00:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 25.48/16.84 [2019-03-29 02:00:16,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 25.48/16.84 [2019-03-29 02:00:16,902 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 25.48/16.84 [2019-03-29 02:00:16,903 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 25.48/16.84 [2019-03-29 02:00:16,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:00:16 BoogieIcfgContainer 25.48/16.84 [2019-03-29 02:00:16,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 25.48/16.84 [2019-03-29 02:00:16,905 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 25.48/16.84 [2019-03-29 02:00:16,905 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 25.48/16.84 [2019-03-29 02:00:16,907 INFO L276 PluginConnector]: BlockEncodingV2 initialized 25.48/16.84 [2019-03-29 02:00:16,908 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:00:16" (1/1) ... 25.48/16.84 [2019-03-29 02:00:16,924 INFO L313 BlockEncoder]: Initial Icfg 14 locations, 22 edges 25.48/16.84 [2019-03-29 02:00:16,926 INFO L258 BlockEncoder]: Using Remove infeasible edges 25.48/16.84 [2019-03-29 02:00:16,927 INFO L263 BlockEncoder]: Using Maximize final states 25.48/16.84 [2019-03-29 02:00:16,927 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 25.48/16.84 [2019-03-29 02:00:16,928 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 25.48/16.84 [2019-03-29 02:00:16,931 INFO L296 BlockEncoder]: Using Remove sink states 25.48/16.84 [2019-03-29 02:00:16,932 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 25.48/16.84 [2019-03-29 02:00:16,932 INFO L179 BlockEncoder]: Using Rewrite not-equals 25.48/16.84 [2019-03-29 02:00:16,949 INFO L185 BlockEncoder]: Using Use SBE 25.48/16.84 [2019-03-29 02:00:16,965 INFO L200 BlockEncoder]: SBE split 2 edges 25.48/16.84 [2019-03-29 02:00:16,970 INFO L70 emoveInfeasibleEdges]: Removed 3 edges and 0 locations because of local infeasibility 25.48/16.84 [2019-03-29 02:00:16,972 INFO L71 MaximizeFinalStates]: 0 new accepting states 25.48/16.84 [2019-03-29 02:00:16,986 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 25.48/16.84 [2019-03-29 02:00:16,988 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 25.48/16.84 [2019-03-29 02:00:16,990 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 25.48/16.84 [2019-03-29 02:00:16,990 INFO L71 MaximizeFinalStates]: 0 new accepting states 25.48/16.84 [2019-03-29 02:00:16,990 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 25.48/16.84 [2019-03-29 02:00:16,991 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 25.48/16.84 [2019-03-29 02:00:16,991 INFO L313 BlockEncoder]: Encoded RCFG 8 locations, 14 edges 25.48/16.84 [2019-03-29 02:00:16,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:00:16 BasicIcfg 25.48/16.84 [2019-03-29 02:00:16,992 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 25.48/16.84 [2019-03-29 02:00:16,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 25.48/16.84 [2019-03-29 02:00:16,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... 25.48/16.84 [2019-03-29 02:00:16,996 INFO L276 PluginConnector]: TraceAbstraction initialized 25.48/16.84 [2019-03-29 02:00:16,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:00:16" (1/4) ... 25.48/16.84 [2019-03-29 02:00:16,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b554714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:00:16, skipping insertion in model container 25.48/16.84 [2019-03-29 02:00:16,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:00:16" (2/4) ... 25.48/16.84 [2019-03-29 02:00:16,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b554714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:00:16, skipping insertion in model container 25.48/16.84 [2019-03-29 02:00:16,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:00:16" (3/4) ... 25.48/16.84 [2019-03-29 02:00:16,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b554714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:00:16, skipping insertion in model container 25.48/16.84 [2019-03-29 02:00:17,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:00:16" (4/4) ... 25.48/16.84 [2019-03-29 02:00:17,001 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 25.48/16.84 [2019-03-29 02:00:17,011 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 25.48/16.84 [2019-03-29 02:00:17,019 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 25.48/16.84 [2019-03-29 02:00:17,040 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 25.48/16.84 [2019-03-29 02:00:17,069 INFO L133 ementStrategyFactory]: Using default assertion order modulation 25.48/16.84 [2019-03-29 02:00:17,070 INFO L382 AbstractCegarLoop]: Interprodecural is true 25.48/16.84 [2019-03-29 02:00:17,070 INFO L383 AbstractCegarLoop]: Hoare is true 25.48/16.84 [2019-03-29 02:00:17,070 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 25.48/16.84 [2019-03-29 02:00:17,071 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 25.48/16.84 [2019-03-29 02:00:17,071 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 25.48/16.84 [2019-03-29 02:00:17,071 INFO L387 AbstractCegarLoop]: Difference is false 25.48/16.84 [2019-03-29 02:00:17,071 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 25.48/16.84 [2019-03-29 02:00:17,071 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 25.48/16.84 [2019-03-29 02:00:17,086 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. 25.48/16.84 [2019-03-29 02:00:17,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 25.48/16.84 [2019-03-29 02:00:17,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. 25.48/16.84 [2019-03-29 02:00:17,149 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 25.48/16.84 [2019-03-29 02:00:17,149 INFO L451 ceAbstractionStarter]: At program point L31-2(lines 31 33) the Hoare annotation is: true 25.48/16.84 [2019-03-29 02:00:17,149 INFO L451 ceAbstractionStarter]: At program point L26-2(lines 26 28) the Hoare annotation is: true 25.48/16.84 [2019-03-29 02:00:17,150 INFO L448 ceAbstractionStarter]: For program point L25-1(lines 25 35) no Hoare annotation was computed. 25.48/16.84 [2019-03-29 02:00:17,150 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. 25.48/16.84 [2019-03-29 02:00:17,150 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 13 38) no Hoare annotation was computed. 25.48/16.84 [2019-03-29 02:00:17,150 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 24) no Hoare annotation was computed. 25.48/16.84 [2019-03-29 02:00:17,151 INFO L451 ceAbstractionStarter]: At program point L13-2(lines 13 38) the Hoare annotation is: true 25.48/16.84 [2019-03-29 02:00:17,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:00:17 BasicIcfg 25.48/16.84 [2019-03-29 02:00:17,159 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 25.48/16.84 [2019-03-29 02:00:17,160 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 25.48/16.84 [2019-03-29 02:00:17,160 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 25.48/16.84 [2019-03-29 02:00:17,164 INFO L276 PluginConnector]: BuchiAutomizer initialized 25.48/16.84 [2019-03-29 02:00:17,165 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 25.48/16.84 [2019-03-29 02:00:17,165 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:00:16" (1/5) ... 25.48/16.84 [2019-03-29 02:00:17,166 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a08e55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:00:17, skipping insertion in model container 25.48/16.84 [2019-03-29 02:00:17,166 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 25.48/16.84 [2019-03-29 02:00:17,166 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:00:16" (2/5) ... 25.48/16.84 [2019-03-29 02:00:17,166 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a08e55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:00:17, skipping insertion in model container 25.48/16.84 [2019-03-29 02:00:17,166 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 25.48/16.84 [2019-03-29 02:00:17,167 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:00:16" (3/5) ... 25.48/16.84 [2019-03-29 02:00:17,167 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a08e55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:00:17, skipping insertion in model container 25.48/16.84 [2019-03-29 02:00:17,167 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 25.48/16.84 [2019-03-29 02:00:17,167 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:00:16" (4/5) ... 25.48/16.84 [2019-03-29 02:00:17,168 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a08e55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:00:17, skipping insertion in model container 25.48/16.84 [2019-03-29 02:00:17,168 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 25.48/16.84 [2019-03-29 02:00:17,168 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:00:17" (5/5) ... 25.48/16.84 [2019-03-29 02:00:17,169 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 25.48/16.84 [2019-03-29 02:00:17,197 INFO L133 ementStrategyFactory]: Using default assertion order modulation 25.48/16.84 [2019-03-29 02:00:17,197 INFO L374 BuchiCegarLoop]: Interprodecural is true 25.48/16.84 [2019-03-29 02:00:17,197 INFO L375 BuchiCegarLoop]: Hoare is true 25.48/16.84 [2019-03-29 02:00:17,197 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 25.48/16.84 [2019-03-29 02:00:17,198 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 25.48/16.84 [2019-03-29 02:00:17,198 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 25.48/16.84 [2019-03-29 02:00:17,198 INFO L379 BuchiCegarLoop]: Difference is false 25.48/16.84 [2019-03-29 02:00:17,198 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 25.48/16.84 [2019-03-29 02:00:17,198 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 25.48/16.84 [2019-03-29 02:00:17,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. 25.48/16.84 [2019-03-29 02:00:17,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 25.48/16.84 [2019-03-29 02:00:17,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 25.48/16.84 [2019-03-29 02:00:17,220 INFO L119 BuchiIsEmpty]: Starting construction of run 25.48/16.84 [2019-03-29 02:00:17,225 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 25.48/16.84 [2019-03-29 02:00:17,225 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] 25.48/16.84 [2019-03-29 02:00:17,225 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 25.48/16.84 [2019-03-29 02:00:17,226 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. 25.48/16.84 [2019-03-29 02:00:17,227 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 25.48/16.84 [2019-03-29 02:00:17,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 25.48/16.84 [2019-03-29 02:00:17,227 INFO L119 BuchiIsEmpty]: Starting construction of run 25.48/16.84 [2019-03-29 02:00:17,227 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 25.48/16.84 [2019-03-29 02:00:17,227 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] 25.48/16.84 [2019-03-29 02:00:17,233 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [74] ULTIMATE.startENTRY-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~xtmp~0] 5#L13-2true 25.48/16.84 [2019-03-29 02:00:17,234 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true [77] L13-2-->L17: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (= v_ULTIMATE.start_main_~tmp~0_4 v_ULTIMATE.start_main_~y~0_9) (< 0 v_ULTIMATE.start_main_~y~0_9) (= v_ULTIMATE.start_main_~xtmp~0_8 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_~xtmp~0] 6#L17true [62] L17-->L21-2: Formula: (and (= 0 v_ULTIMATE.start_main_~y~0_11) (= v_ULTIMATE.start_main_~y~0_10 v_ULTIMATE.start_main_~y~0_11)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 10#L21-2true [86] L21-2-->L31-2: Formula: (>= 0 v_ULTIMATE.start_main_~xtmp~0_7) InVars {ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_7} OutVars{ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_7} AuxVars[] AssignedVars[] 7#L31-2true [97] L31-2-->L25-1: Formula: (and (= v_ULTIMATE.start_main_~xtmp~0_18 v_ULTIMATE.start_main_~y~0_20) (<= 0 v_ULTIMATE.start_main_~xtmp~0_18)) InVars {ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_18} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_20, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_18} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 9#L25-1true [82] L25-1-->L13-2: Formula: (= v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~tmp~0_5) InVars {ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_5} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 5#L13-2true 25.48/16.84 [2019-03-29 02:00:17,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.48/16.84 [2019-03-29 02:00:17,240 INFO L82 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 1 times 25.48/16.84 [2019-03-29 02:00:17,242 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 25.48/16.84 [2019-03-29 02:00:17,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 25.48/16.84 [2019-03-29 02:00:17,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:17,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:17,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.48/16.84 [2019-03-29 02:00:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.48/16.84 [2019-03-29 02:00:17,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.48/16.84 [2019-03-29 02:00:17,313 INFO L82 PathProgramCache]: Analyzing trace with hash 101673045, now seen corresponding path program 1 times 25.48/16.84 [2019-03-29 02:00:17,313 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 25.48/16.84 [2019-03-29 02:00:17,313 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 25.48/16.84 [2019-03-29 02:00:17,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:17,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:17,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 25.48/16.84 [2019-03-29 02:00:17,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 25.48/16.84 [2019-03-29 02:00:17,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 25.48/16.84 [2019-03-29 02:00:17,367 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 25.48/16.84 [2019-03-29 02:00:17,372 INFO L811 eck$LassoCheckResult]: loop already infeasible 25.48/16.84 [2019-03-29 02:00:17,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 25.48/16.84 [2019-03-29 02:00:17,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 25.48/16.84 [2019-03-29 02:00:17,390 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. 25.48/16.84 [2019-03-29 02:00:17,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 25.48/16.84 [2019-03-29 02:00:17,422 INFO L93 Difference]: Finished difference Result 8 states and 11 transitions. 25.48/16.84 [2019-03-29 02:00:17,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 25.48/16.84 [2019-03-29 02:00:17,426 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 11 transitions. 25.48/16.84 [2019-03-29 02:00:17,427 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 25.48/16.84 [2019-03-29 02:00:17,431 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 11 transitions. 25.48/16.84 [2019-03-29 02:00:17,432 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 25.48/16.84 [2019-03-29 02:00:17,433 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 25.48/16.84 [2019-03-29 02:00:17,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. 25.48/16.84 [2019-03-29 02:00:17,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 25.48/16.84 [2019-03-29 02:00:17,434 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 25.48/16.84 [2019-03-29 02:00:17,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. 25.48/16.84 [2019-03-29 02:00:17,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. 25.48/16.84 [2019-03-29 02:00:17,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 25.48/16.84 [2019-03-29 02:00:17,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. 25.48/16.84 [2019-03-29 02:00:17,464 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 25.48/16.84 [2019-03-29 02:00:17,464 INFO L609 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. 25.48/16.84 [2019-03-29 02:00:17,464 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 25.48/16.84 [2019-03-29 02:00:17,464 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. 25.48/16.84 [2019-03-29 02:00:17,465 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 25.48/16.84 [2019-03-29 02:00:17,465 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 25.48/16.84 [2019-03-29 02:00:17,465 INFO L119 BuchiIsEmpty]: Starting construction of run 25.48/16.84 [2019-03-29 02:00:17,465 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 25.48/16.84 [2019-03-29 02:00:17,466 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] 25.48/16.84 [2019-03-29 02:00:17,466 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY [74] ULTIMATE.startENTRY-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_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_~tmp~0=v_ULTIMATE.start_main_~tmp~0_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_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~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_~tmp~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~xtmp~0] 28#L13-2 25.48/16.84 [2019-03-29 02:00:17,466 INFO L796 eck$LassoCheckResult]: Loop: 28#L13-2 [77] L13-2-->L17: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (= v_ULTIMATE.start_main_~tmp~0_4 v_ULTIMATE.start_main_~y~0_9) (< 0 v_ULTIMATE.start_main_~y~0_9) (= v_ULTIMATE.start_main_~xtmp~0_8 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_~xtmp~0] 29#L17 [92] L17-->L21: Formula: (< 0 v_ULTIMATE.start_main_~y~0_12) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12} AuxVars[] AssignedVars[] 25#L21 [87] L21-->L21-2: Formula: (>= v_ULTIMATE.start_main_~y~0_15 0) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_15} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_15} AuxVars[] AssignedVars[] 26#L21-2 [69] L21-2-->L26-2: Formula: (< 0 v_ULTIMATE.start_main_~xtmp~0_15) InVars {ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_15} OutVars{ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_15} AuxVars[] AssignedVars[] 32#L26-2 [96] L26-2-->L25-1: Formula: (and (= v_ULTIMATE.start_main_~xtmp~0_17 v_ULTIMATE.start_main_~y~0_18) (< v_ULTIMATE.start_main_~xtmp~0_17 v_ULTIMATE.start_main_~y~0_19)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_19, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_17} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_18, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_17} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 31#L25-1 [82] L25-1-->L13-2: Formula: (= v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~tmp~0_5) InVars {ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_5} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 28#L13-2 25.48/16.84 [2019-03-29 02:00:17,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.48/16.84 [2019-03-29 02:00:17,467 INFO L82 PathProgramCache]: Analyzing trace with hash 105, now seen corresponding path program 2 times 25.48/16.84 [2019-03-29 02:00:17,467 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 25.48/16.84 [2019-03-29 02:00:17,467 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 25.48/16.84 [2019-03-29 02:00:17,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:17,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:17,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.48/16.84 [2019-03-29 02:00:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.48/16.84 [2019-03-29 02:00:17,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.48/16.84 [2019-03-29 02:00:17,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1115393872, now seen corresponding path program 1 times 25.48/16.84 [2019-03-29 02:00:17,474 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 25.48/16.84 [2019-03-29 02:00:17,474 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 25.48/16.84 [2019-03-29 02:00:17,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:17,476 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:17,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.48/16.84 [2019-03-29 02:00:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.48/16.84 [2019-03-29 02:00:17,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.48/16.84 [2019-03-29 02:00:17,489 INFO L82 PathProgramCache]: Analyzing trace with hash 990675736, now seen corresponding path program 1 times 25.48/16.84 [2019-03-29 02:00:17,489 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 25.48/16.84 [2019-03-29 02:00:17,489 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 25.48/16.84 [2019-03-29 02:00:17,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:17,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:17,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.48/16.84 [2019-03-29 02:00:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.48/16.84 [2019-03-29 02:00:17,568 INFO L216 LassoAnalysis]: Preferences: 25.48/16.84 [2019-03-29 02:00:17,570 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 25.48/16.84 [2019-03-29 02:00:17,570 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 25.48/16.84 [2019-03-29 02:00:17,570 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 25.48/16.84 [2019-03-29 02:00:17,570 INFO L127 ssoRankerPreferences]: Use exernal solver: true 25.48/16.84 [2019-03-29 02:00:17,570 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.48/16.84 [2019-03-29 02:00:17,571 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 25.48/16.84 [2019-03-29 02:00:17,571 INFO L130 ssoRankerPreferences]: Path of dumped script: 25.48/16.84 [2019-03-29 02:00:17,571 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 25.48/16.84 [2019-03-29 02:00:17,571 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 25.48/16.84 [2019-03-29 02:00:17,571 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 25.48/16.84 [2019-03-29 02:00:17,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.48/16.84 [2019-03-29 02:00:17,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.48/16.84 [2019-03-29 02:00:17,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.48/16.84 [2019-03-29 02:00:17,729 INFO L300 LassoAnalysis]: Preprocessing complete. 25.48/16.84 [2019-03-29 02:00:17,730 INFO L412 LassoAnalysis]: Checking for nontermination... 25.48/16.84 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 25.48/16.84 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.48/16.84 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.48/16.84 [2019-03-29 02:00:17,737 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.48/16.84 [2019-03-29 02:00:17,737 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.48/16.84 [2019-03-29 02:00:17,771 INFO L445 LassoAnalysis]: Proved nontermination for one component. 25.48/16.84 [2019-03-29 02:00:17,771 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: [] 25.48/16.84 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 25.48/16.84 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.48/16.84 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.48/16.84 [2019-03-29 02:00:17,778 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.48/16.84 [2019-03-29 02:00:17,779 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.48/16.84 [2019-03-29 02:00:17,806 INFO L445 LassoAnalysis]: Proved nontermination for one component. 25.48/16.84 [2019-03-29 02:00:17,806 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: [] 25.48/16.84 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 25.48/16.84 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.48/16.84 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.48/16.84 [2019-03-29 02:00:17,811 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.48/16.84 [2019-03-29 02:00:17,811 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.48/16.84 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 25.48/16.84 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.48/16.84 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.48/16.84 [2019-03-29 02:00:17,848 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 25.48/16.84 [2019-03-29 02:00:17,848 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.48/16.84 [2019-03-29 02:00:27,390 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 25.48/16.84 [2019-03-29 02:00:27,394 INFO L216 LassoAnalysis]: Preferences: 25.48/16.84 [2019-03-29 02:00:27,394 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 25.48/16.84 [2019-03-29 02:00:27,394 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 25.48/16.84 [2019-03-29 02:00:27,394 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 25.48/16.84 [2019-03-29 02:00:27,394 INFO L127 ssoRankerPreferences]: Use exernal solver: false 25.48/16.84 [2019-03-29 02:00:27,395 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 25.48/16.84 [2019-03-29 02:00:27,395 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 25.48/16.84 [2019-03-29 02:00:27,395 INFO L130 ssoRankerPreferences]: Path of dumped script: 25.48/16.84 [2019-03-29 02:00:27,395 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 25.48/16.84 [2019-03-29 02:00:27,395 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 25.48/16.84 [2019-03-29 02:00:27,395 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 25.48/16.84 [2019-03-29 02:00:27,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.48/16.84 [2019-03-29 02:00:27,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.48/16.84 [2019-03-29 02:00:27,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.48/16.84 [2019-03-29 02:00:27,489 INFO L300 LassoAnalysis]: Preprocessing complete. 25.48/16.84 [2019-03-29 02:00:27,495 INFO L497 LassoAnalysis]: Using template 'affine'. 25.48/16.84 [2019-03-29 02:00:27,497 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.48/16.84 Termination analysis: LINEAR_WITH_GUESSES 25.48/16.84 Number of strict supporting invariants: 0 25.48/16.84 Number of non-strict supporting invariants: 1 25.48/16.84 Consider only non-deceasing supporting invariants: true 25.48/16.84 Simplify termination arguments: true 25.48/16.84 Simplify supporting invariants: trueOverapproximate stem: false 25.48/16.84 [2019-03-29 02:00:27,499 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.48/16.84 [2019-03-29 02:00:27,499 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 25.48/16.84 [2019-03-29 02:00:27,500 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.48/16.84 [2019-03-29 02:00:27,500 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.48/16.84 [2019-03-29 02:00:27,500 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 25.48/16.84 [2019-03-29 02:00:27,503 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 25.48/16.84 [2019-03-29 02:00:27,503 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 25.48/16.84 [2019-03-29 02:00:27,519 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 25.48/16.84 [2019-03-29 02:00:27,537 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 25.48/16.84 [2019-03-29 02:00:27,537 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. 25.48/16.84 [2019-03-29 02:00:27,540 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 25.48/16.84 [2019-03-29 02:00:27,540 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 25.48/16.84 [2019-03-29 02:00:27,541 INFO L518 LassoAnalysis]: Proved termination. 25.48/16.84 [2019-03-29 02:00:27,541 INFO L520 LassoAnalysis]: Termination argument consisting of: 25.48/16.84 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 25.48/16.84 Supporting invariants [] 25.48/16.84 [2019-03-29 02:00:27,543 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 25.48/16.84 [2019-03-29 02:00:27,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.48/16.84 [2019-03-29 02:00:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 25.48/16.84 [2019-03-29 02:00:27,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 25.48/16.84 [2019-03-29 02:00:27,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... 25.48/16.84 [2019-03-29 02:00:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 25.48/16.84 [2019-03-29 02:00:27,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core 25.48/16.84 [2019-03-29 02:00:27,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... 25.48/16.84 [2019-03-29 02:00:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 25.48/16.84 [2019-03-29 02:00:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 25.48/16.84 [2019-03-29 02:00:27,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core 25.48/16.84 [2019-03-29 02:00:27,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... 25.48/16.84 [2019-03-29 02:00:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 25.48/16.84 [2019-03-29 02:00:27,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core 25.48/16.84 [2019-03-29 02:00:27,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... 25.48/16.84 [2019-03-29 02:00:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 25.48/16.84 [2019-03-29 02:00:27,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core 25.48/16.84 [2019-03-29 02:00:27,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... 25.48/16.84 [2019-03-29 02:00:27,704 INFO L98 LoopCannibalizer]: 4 predicates before loop cannibalization 4 predicates after loop cannibalization 25.48/16.84 [2019-03-29 02:00:27,708 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 4 loop predicates 25.48/16.84 [2019-03-29 02:00:27,708 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 8 states and 11 transitions. cyclomatic complexity: 4 Second operand 5 states. 25.48/16.84 [2019-03-29 02:00:27,806 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 8 states and 11 transitions. cyclomatic complexity: 4. Second operand 5 states. Result 29 states and 38 transitions. Complement of second has 10 states. 25.48/16.84 [2019-03-29 02:00:27,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 3 non-accepting loop states 2 accepting loop states 25.48/16.84 [2019-03-29 02:00:27,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 25.48/16.84 [2019-03-29 02:00:27,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 36 transitions. 25.48/16.84 [2019-03-29 02:00:27,811 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 36 transitions. Stem has 1 letters. Loop has 6 letters. 25.48/16.84 [2019-03-29 02:00:27,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. 25.48/16.84 [2019-03-29 02:00:27,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 36 transitions. Stem has 7 letters. Loop has 6 letters. 25.48/16.84 [2019-03-29 02:00:27,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. 25.48/16.84 [2019-03-29 02:00:27,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 36 transitions. Stem has 1 letters. Loop has 12 letters. 25.48/16.84 [2019-03-29 02:00:27,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. 25.48/16.84 [2019-03-29 02:00:27,821 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 38 transitions. 25.48/16.84 [2019-03-29 02:00:27,823 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 25.48/16.84 [2019-03-29 02:00:27,824 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 20 states and 25 transitions. 25.48/16.84 [2019-03-29 02:00:27,824 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 25.48/16.84 [2019-03-29 02:00:27,824 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 25.48/16.84 [2019-03-29 02:00:27,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. 25.48/16.84 [2019-03-29 02:00:27,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 25.48/16.84 [2019-03-29 02:00:27,825 INFO L706 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. 25.48/16.84 [2019-03-29 02:00:27,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. 25.48/16.84 [2019-03-29 02:00:27,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. 25.48/16.84 [2019-03-29 02:00:27,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. 25.48/16.84 [2019-03-29 02:00:27,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. 25.48/16.84 [2019-03-29 02:00:27,827 INFO L729 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. 25.48/16.84 [2019-03-29 02:00:27,827 INFO L609 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. 25.48/16.84 [2019-03-29 02:00:27,827 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 25.48/16.84 [2019-03-29 02:00:27,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. 25.48/16.84 [2019-03-29 02:00:27,828 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 25.48/16.84 [2019-03-29 02:00:27,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 25.48/16.84 [2019-03-29 02:00:27,829 INFO L119 BuchiIsEmpty]: Starting construction of run 25.48/16.84 [2019-03-29 02:00:27,829 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] 25.48/16.84 [2019-03-29 02:00:27,829 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 25.48/16.84 [2019-03-29 02:00:27,829 INFO L794 eck$LassoCheckResult]: Stem: 168#ULTIMATE.startENTRY [74] ULTIMATE.startENTRY-->L13-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_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_~tmp~0=v_ULTIMATE.start_main_~tmp~0_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_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~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_~tmp~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~xtmp~0] 169#L13-2 [77] L13-2-->L17: Formula: (and (< 0 v_ULTIMATE.start_main_~x~0_7) (= v_ULTIMATE.start_main_~tmp~0_4 v_ULTIMATE.start_main_~y~0_9) (< 0 v_ULTIMATE.start_main_~y~0_9) (= v_ULTIMATE.start_main_~xtmp~0_8 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~tmp~0=v_ULTIMATE.start_main_~tmp~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~tmp~0, ULTIMATE.start_main_~xtmp~0] 171#L17 [92] L17-->L21: Formula: (< 0 v_ULTIMATE.start_main_~y~0_12) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12} AuxVars[] AssignedVars[] 164#L21 [87] L21-->L21-2: Formula: (>= v_ULTIMATE.start_main_~y~0_15 0) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_15} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_15} AuxVars[] AssignedVars[] 165#L21-2 [69] L21-2-->L26-2: Formula: (< 0 v_ULTIMATE.start_main_~xtmp~0_15) InVars {ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_15} OutVars{ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_15} AuxVars[] AssignedVars[] 174#L26-2 25.48/16.84 [2019-03-29 02:00:27,830 INFO L796 eck$LassoCheckResult]: Loop: 174#L26-2 [81] L26-2-->L26-2: Formula: (and (<= v_ULTIMATE.start_main_~y~0_6 v_ULTIMATE.start_main_~xtmp~0_5) (= v_ULTIMATE.start_main_~xtmp~0_4 (+ v_ULTIMATE.start_main_~xtmp~0_5 (* (- 1) v_ULTIMATE.start_main_~y~0_6)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_5} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~xtmp~0=v_ULTIMATE.start_main_~xtmp~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~xtmp~0] 174#L26-2 25.48/16.84 [2019-03-29 02:00:27,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.48/16.84 [2019-03-29 02:00:27,831 INFO L82 PathProgramCache]: Analyzing trace with hash 99354790, now seen corresponding path program 1 times 25.48/16.84 [2019-03-29 02:00:27,831 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 25.48/16.84 [2019-03-29 02:00:27,831 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 25.48/16.84 [2019-03-29 02:00:27,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:27,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:27,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.48/16.84 [2019-03-29 02:00:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.48/16.84 [2019-03-29 02:00:27,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.48/16.84 [2019-03-29 02:00:27,843 INFO L82 PathProgramCache]: Analyzing trace with hash 112, now seen corresponding path program 1 times 25.48/16.84 [2019-03-29 02:00:27,844 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 25.48/16.84 [2019-03-29 02:00:27,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 25.48/16.84 [2019-03-29 02:00:27,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:27,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:27,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.48/16.84 [2019-03-29 02:00:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.48/16.84 [2019-03-29 02:00:27,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.48/16.84 [2019-03-29 02:00:27,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1214968725, now seen corresponding path program 1 times 25.48/16.84 [2019-03-29 02:00:27,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 25.48/16.84 [2019-03-29 02:00:27,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 25.48/16.84 [2019-03-29 02:00:27,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:27,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:27,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 25.48/16.84 [2019-03-29 02:00:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.48/16.84 [2019-03-29 02:00:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 25.48/16.84 [2019-03-29 02:00:27,918 INFO L216 LassoAnalysis]: Preferences: 25.48/16.84 [2019-03-29 02:00:27,919 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 25.48/16.84 [2019-03-29 02:00:27,919 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 25.48/16.84 [2019-03-29 02:00:27,919 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 25.48/16.84 [2019-03-29 02:00:27,919 INFO L127 ssoRankerPreferences]: Use exernal solver: true 25.48/16.84 [2019-03-29 02:00:27,919 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.48/16.84 [2019-03-29 02:00:27,919 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 25.48/16.84 [2019-03-29 02:00:27,919 INFO L130 ssoRankerPreferences]: Path of dumped script: 25.48/16.84 [2019-03-29 02:00:27,920 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso 25.48/16.84 [2019-03-29 02:00:27,920 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 25.48/16.84 [2019-03-29 02:00:27,920 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 25.48/16.84 [2019-03-29 02:00:27,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.48/16.84 [2019-03-29 02:00:27,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.48/16.84 [2019-03-29 02:00:27,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.48/16.84 [2019-03-29 02:00:27,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.48/16.84 [2019-03-29 02:00:27,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.48/16.84 [2019-03-29 02:00:27,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.48/16.84 [2019-03-29 02:00:28,028 INFO L300 LassoAnalysis]: Preprocessing complete. 25.48/16.84 [2019-03-29 02:00:28,028 INFO L412 LassoAnalysis]: Checking for nontermination... 25.48/16.84 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 25.48/16.84 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.48/16.84 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.48/16.84 [2019-03-29 02:00:28,032 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.48/16.84 [2019-03-29 02:00:28,033 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.48/16.84 [2019-03-29 02:00:28,061 INFO L445 LassoAnalysis]: Proved nontermination for one component. 25.48/16.84 [2019-03-29 02:00:28,061 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: [] 25.48/16.84 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 25.48/16.84 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.48/16.84 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.48/16.84 [2019-03-29 02:00:28,075 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.48/16.84 [2019-03-29 02:00:28,075 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.48/16.84 [2019-03-29 02:00:28,079 INFO L445 LassoAnalysis]: Proved nontermination for one component. 25.48/16.84 [2019-03-29 02:00:28,079 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: [] 25.48/16.84 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 25.48/16.84 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.48/16.84 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.48/16.84 [2019-03-29 02:00:28,109 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.48/16.84 [2019-03-29 02:00:28,109 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.48/16.84 [2019-03-29 02:00:28,112 INFO L445 LassoAnalysis]: Proved nontermination for one component. 25.48/16.84 [2019-03-29 02:00:28,112 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: [] 25.48/16.84 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 25.48/16.84 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.48/16.84 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.48/16.84 [2019-03-29 02:00:28,142 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.48/16.84 [2019-03-29 02:00:28,142 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.48/16.84 [2019-03-29 02:00:28,146 INFO L445 LassoAnalysis]: Proved nontermination for one component. 25.48/16.84 [2019-03-29 02:00:28,146 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: [] 25.48/16.84 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 25.48/16.84 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.48/16.84 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.48/16.84 [2019-03-29 02:00:28,175 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.48/16.84 [2019-03-29 02:00:28,175 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.48/16.84 [2019-03-29 02:00:28,204 INFO L445 LassoAnalysis]: Proved nontermination for one component. 25.48/16.84 [2019-03-29 02:00:28,204 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 25.48/16.84 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 25.48/16.84 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.48/16.84 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.48/16.84 [2019-03-29 02:00:28,211 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 25.48/16.84 [2019-03-29 02:00:28,211 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.48/16.84 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 25.48/16.84 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 25.48/16.84 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 25.48/16.84 [2019-03-29 02:00:28,248 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 25.48/16.84 [2019-03-29 02:00:28,248 INFO L163 nArgumentSynthesizer]: Using integer mode. 25.48/16.84 [2019-03-29 02:00:28,467 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 25.48/16.84 [2019-03-29 02:00:28,470 INFO L216 LassoAnalysis]: Preferences: 25.48/16.84 [2019-03-29 02:00:28,470 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 25.48/16.84 [2019-03-29 02:00:28,470 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 25.48/16.84 [2019-03-29 02:00:28,470 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 25.48/16.84 [2019-03-29 02:00:28,470 INFO L127 ssoRankerPreferences]: Use exernal solver: false 25.48/16.84 [2019-03-29 02:00:28,470 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 25.48/16.84 [2019-03-29 02:00:28,471 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 25.48/16.84 [2019-03-29 02:00:28,471 INFO L130 ssoRankerPreferences]: Path of dumped script: 25.48/16.84 [2019-03-29 02:00:28,471 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso 25.48/16.84 [2019-03-29 02:00:28,471 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 25.48/16.84 [2019-03-29 02:00:28,471 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 25.48/16.84 [2019-03-29 02:00:28,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.48/16.84 [2019-03-29 02:00:28,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.48/16.84 [2019-03-29 02:00:28,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.48/16.84 [2019-03-29 02:00:28,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.48/16.84 [2019-03-29 02:00:28,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.48/16.84 [2019-03-29 02:00:28,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 25.48/16.84 [2019-03-29 02:00:28,565 INFO L300 LassoAnalysis]: Preprocessing complete. 25.48/16.84 [2019-03-29 02:00:28,565 INFO L497 LassoAnalysis]: Using template 'affine'. 25.48/16.84 [2019-03-29 02:00:28,565 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.48/16.84 Termination analysis: LINEAR_WITH_GUESSES 25.48/16.84 Number of strict supporting invariants: 0 25.48/16.84 Number of non-strict supporting invariants: 1 25.48/16.84 Consider only non-deceasing supporting invariants: true 25.48/16.84 Simplify termination arguments: true 25.48/16.84 Simplify supporting invariants: trueOverapproximate stem: false 25.48/16.84 [2019-03-29 02:00:28,566 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.48/16.84 [2019-03-29 02:00:28,566 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.48/16.84 [2019-03-29 02:00:28,567 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.48/16.84 [2019-03-29 02:00:28,567 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 25.48/16.84 [2019-03-29 02:00:28,569 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 25.48/16.84 [2019-03-29 02:00:28,570 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 25.48/16.84 [2019-03-29 02:00:28,574 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 25.48/16.84 [2019-03-29 02:00:28,575 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 25.48/16.84 Termination analysis: LINEAR_WITH_GUESSES 25.48/16.84 Number of strict supporting invariants: 0 25.48/16.84 Number of non-strict supporting invariants: 1 25.48/16.84 Consider only non-deceasing supporting invariants: true 25.48/16.84 Simplify termination arguments: true 25.48/16.84 Simplify supporting invariants: trueOverapproximate stem: false 25.48/16.84 [2019-03-29 02:00:28,575 INFO L339 nArgumentSynthesizer]: Template has degree 0. 25.48/16.84 [2019-03-29 02:00:28,575 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 25.48/16.84 [2019-03-29 02:00:28,576 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 25.48/16.84 [2019-03-29 02:00:28,576 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 25.48/16.84 [2019-03-29 02:00:28,579 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 25.48/16.84 [2019-03-29 02:00:28,579 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 25.48/16.84 [2019-03-29 02:00:28,602 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 25.48/16.84 [2019-03-29 02:00:28,615 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 25.48/16.84 [2019-03-29 02:00:28,616 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 0 variables to zero. 25.48/16.84 [2019-03-29 02:00:28,617 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 25.48/16.84 [2019-03-29 02:00:28,619 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 25.48/16.84 [2019-03-29 02:00:28,620 INFO L518 LassoAnalysis]: Proved termination. 25.48/16.84 [2019-03-29 02:00:28,620 INFO L520 LassoAnalysis]: Termination argument consisting of: 25.48/16.84 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~xtmp~0) = -2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~xtmp~0 + 1 25.48/16.84 Supporting invariants [1*ULTIMATE.start_main_~y~0 - 1 >= 0] 25.48/16.84 [2019-03-29 02:00:28,627 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 25.48/16.84 [2019-03-29 02:00:28,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 25.48/16.84 [2019-03-29 02:00:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 25.48/16.84 [2019-03-29 02:00:28,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjunts are in the unsatisfiable core 25.48/16.84 [2019-03-29 02:00:28,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... 25.48/16.84 [2019-03-29 02:00:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 25.48/16.84 [2019-03-29 02:00:28,690 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core 25.48/16.84 [2019-03-29 02:00:28,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... 25.48/16.84 [2019-03-29 02:00:28,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 25.48/16.84 [2019-03-29 02:00:28,704 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 25.48/16.84 [2019-03-29 02:00:28,705 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates 25.48/16.84 [2019-03-29 02:00:28,705 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand 3 states. 25.48/16.84 [2019-03-29 02:00:28,745 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 17 states and 22 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 18 states and 23 transitions. Complement of second has 3 states. 25.48/16.84 [2019-03-29 02:00:28,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states 25.48/16.84 [2019-03-29 02:00:28,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 25.48/16.84 [2019-03-29 02:00:28,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. 25.48/16.84 [2019-03-29 02:00:28,746 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 1 letters. 25.48/16.84 [2019-03-29 02:00:28,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. 25.48/16.84 [2019-03-29 02:00:28,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. 25.48/16.84 [2019-03-29 02:00:28,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. 25.48/16.84 [2019-03-29 02:00:28,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 5 letters. Loop has 2 letters. 25.48/16.84 [2019-03-29 02:00:28,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. 25.48/16.84 [2019-03-29 02:00:28,749 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. 25.48/16.84 [2019-03-29 02:00:28,750 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 25.48/16.84 [2019-03-29 02:00:28,751 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. 25.48/16.84 [2019-03-29 02:00:28,751 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 25.48/16.84 [2019-03-29 02:00:28,751 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 25.48/16.84 [2019-03-29 02:00:28,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 25.48/16.84 [2019-03-29 02:00:28,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 25.48/16.84 [2019-03-29 02:00:28,751 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 25.48/16.84 [2019-03-29 02:00:28,751 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 25.48/16.84 [2019-03-29 02:00:28,752 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 25.48/16.84 [2019-03-29 02:00:28,752 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 25.48/16.84 [2019-03-29 02:00:28,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 25.48/16.84 [2019-03-29 02:00:28,752 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 25.48/16.84 [2019-03-29 02:00:28,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 25.48/16.84 [2019-03-29 02:00:28,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:00:28 BasicIcfg 25.48/16.84 [2019-03-29 02:00:28,758 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 25.48/16.84 [2019-03-29 02:00:28,759 INFO L168 Benchmark]: Toolchain (without parser) took 12414.51 ms. Allocated memory was 649.6 MB in the beginning and 659.0 MB in the end (delta: 9.4 MB). Free memory was 558.4 MB in the beginning and 370.0 MB in the end (delta: 188.4 MB). Peak memory consumption was 197.9 MB. Max. memory is 50.3 GB. 25.48/16.84 [2019-03-29 02:00:28,761 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 25.48/16.84 [2019-03-29 02:00:28,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.63 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 548.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 25.48/16.84 [2019-03-29 02:00:28,762 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.05 ms. Allocated memory was 649.6 MB in the beginning and 659.0 MB in the end (delta: 9.4 MB). Free memory was 548.6 MB in the beginning and 625.8 MB in the end (delta: -77.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 50.3 GB. 25.48/16.84 [2019-03-29 02:00:28,763 INFO L168 Benchmark]: Boogie Preprocessor took 20.60 ms. Allocated memory is still 659.0 MB. Free memory was 625.8 MB in the beginning and 622.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 25.48/16.84 [2019-03-29 02:00:28,763 INFO L168 Benchmark]: RCFGBuilder took 217.55 ms. Allocated memory is still 659.0 MB. Free memory was 622.9 MB in the beginning and 608.3 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 50.3 GB. 25.48/16.84 [2019-03-29 02:00:28,764 INFO L168 Benchmark]: BlockEncodingV2 took 87.23 ms. Allocated memory is still 659.0 MB. Free memory was 608.3 MB in the beginning and 601.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 25.48/16.84 [2019-03-29 02:00:28,765 INFO L168 Benchmark]: TraceAbstraction took 167.00 ms. Allocated memory is still 659.0 MB. Free memory was 601.8 MB in the beginning and 592.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 25.48/16.84 [2019-03-29 02:00:28,766 INFO L168 Benchmark]: BuchiAutomizer took 11598.29 ms. Allocated memory is still 659.0 MB. Free memory was 592.1 MB in the beginning and 370.0 MB in the end (delta: 222.1 MB). Peak memory consumption was 222.1 MB. Max. memory is 50.3 GB. 25.48/16.84 [2019-03-29 02:00:28,770 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 25.48/16.84 --- Results --- 25.48/16.84 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 25.48/16.84 - StatisticsResult: Initial Icfg 25.48/16.84 14 locations, 22 edges 25.48/16.84 - StatisticsResult: Encoded RCFG 25.48/16.84 8 locations, 14 edges 25.48/16.84 * Results from de.uni_freiburg.informatik.ultimate.core: 25.48/16.84 - StatisticsResult: Toolchain Benchmarks 25.48/16.84 Benchmark results are: 25.48/16.84 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 25.48/16.84 * CACSL2BoogieTranslator took 228.63 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 548.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 25.48/16.84 * Boogie Procedure Inliner took 90.05 ms. Allocated memory was 649.6 MB in the beginning and 659.0 MB in the end (delta: 9.4 MB). Free memory was 548.6 MB in the beginning and 625.8 MB in the end (delta: -77.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 50.3 GB. 25.48/16.84 * Boogie Preprocessor took 20.60 ms. Allocated memory is still 659.0 MB. Free memory was 625.8 MB in the beginning and 622.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 25.48/16.84 * RCFGBuilder took 217.55 ms. Allocated memory is still 659.0 MB. Free memory was 622.9 MB in the beginning and 608.3 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 50.3 GB. 25.48/16.84 * BlockEncodingV2 took 87.23 ms. Allocated memory is still 659.0 MB. Free memory was 608.3 MB in the beginning and 601.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 25.48/16.84 * TraceAbstraction took 167.00 ms. Allocated memory is still 659.0 MB. Free memory was 601.8 MB in the beginning and 592.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 25.48/16.84 * BuchiAutomizer took 11598.29 ms. Allocated memory is still 659.0 MB. Free memory was 592.1 MB in the beginning and 370.0 MB in the end (delta: 222.1 MB). Peak memory consumption was 222.1 MB. Max. memory is 50.3 GB. 25.48/16.84 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 25.48/16.84 - AllSpecificationsHoldResult: All specifications hold 25.48/16.84 We were not able to verify any specifiation because the program does not contain any specification. 25.48/16.84 - InvariantResult [Line: 13]: Loop Invariant 25.48/16.84 Derived loop invariant: 1 25.48/16.84 - InvariantResult [Line: 31]: Loop Invariant 25.48/16.84 Derived loop invariant: 1 25.48/16.84 - InvariantResult [Line: 26]: Loop Invariant 25.48/16.84 Derived loop invariant: 1 25.48/16.84 - StatisticsResult: Ultimate Automizer benchmark data 25.48/16.84 CFG has 1 procedures, 8 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=8occurred 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, 3 LocationsWithAnnotation, 3 PreInvPairs, 3 NumberOfFragments, 3 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 25.48/16.84 - StatisticsResult: Constructed decomposition of program 25.48/16.84 Your program was decomposed into 3 terminating modules (1 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function y and consists of 7 locations. One nondeterministic module has affine ranking function -2 * y + 2 * xtmp + 1 and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 25.48/16.84 - StatisticsResult: Timing statistics 25.48/16.84 BüchiAutomizer plugin needed 11.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 11.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 39 SDslu, 8 SDs, 0 SdLazy, 54 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax154 hnf97 lsp63 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf90 smp100 dnf100 smp100 tf103 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 10.0s 25.48/16.84 - TerminationAnalysisResult: Termination proven 25.48/16.84 Buchi Automizer proved that your program is terminating 25.48/16.84 RESULT: Ultimate proved your program to be correct! 25.48/16.84 !SESSION 2019-03-29 02:00:13.076 ----------------------------------------------- 25.48/16.84 eclipse.buildId=unknown 25.48/16.84 java.version=1.8.0_181 25.48/16.84 java.vendor=Oracle Corporation 25.48/16.84 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 25.48/16.84 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 25.48/16.84 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 25.48/16.84 25.48/16.84 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:00:29.024 25.48/16.84 !MESSAGE The workspace will exit with unsaved changes in this session. 25.48/16.84 Received shutdown request... 25.48/16.84 Ultimate: 25.48/16.84 GTK+ Version Check 25.48/16.84 EOF