13.57/6.47 YES 13.57/6.47 13.57/6.47 This is Ultimate 0.1.24-8dc7c08-m 13.57/6.47 [2019-03-28 12:04:16,307 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.57/6.47 [2019-03-28 12:04:16,309 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.57/6.47 [2019-03-28 12:04:16,320 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.57/6.47 [2019-03-28 12:04:16,320 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.57/6.47 [2019-03-28 12:04:16,321 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.57/6.47 [2019-03-28 12:04:16,322 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.57/6.47 [2019-03-28 12:04:16,323 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.57/6.47 [2019-03-28 12:04:16,325 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.57/6.47 [2019-03-28 12:04:16,326 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.57/6.47 [2019-03-28 12:04:16,326 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.57/6.47 [2019-03-28 12:04:16,327 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.57/6.47 [2019-03-28 12:04:16,327 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.57/6.47 [2019-03-28 12:04:16,328 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.57/6.47 [2019-03-28 12:04:16,329 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.57/6.47 [2019-03-28 12:04:16,330 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.57/6.47 [2019-03-28 12:04:16,331 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.57/6.47 [2019-03-28 12:04:16,332 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.57/6.47 [2019-03-28 12:04:16,334 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.57/6.47 [2019-03-28 12:04:16,336 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.57/6.47 [2019-03-28 12:04:16,337 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.57/6.47 [2019-03-28 12:04:16,338 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.57/6.47 [2019-03-28 12:04:16,340 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.57/6.47 [2019-03-28 12:04:16,340 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.57/6.47 [2019-03-28 12:04:16,340 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.57/6.47 [2019-03-28 12:04:16,341 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.57/6.47 [2019-03-28 12:04:16,341 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.57/6.47 [2019-03-28 12:04:16,342 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.57/6.47 [2019-03-28 12:04:16,342 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.57/6.47 [2019-03-28 12:04:16,343 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.57/6.47 [2019-03-28 12:04:16,343 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.57/6.47 [2019-03-28 12:04:16,344 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.57/6.47 [2019-03-28 12:04:16,345 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.57/6.47 [2019-03-28 12:04:16,345 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.57/6.47 [2019-03-28 12:04:16,346 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.57/6.47 [2019-03-28 12:04:16,346 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.57/6.47 [2019-03-28 12:04:16,346 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.57/6.47 [2019-03-28 12:04:16,347 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.57/6.47 [2019-03-28 12:04:16,347 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.57/6.47 [2019-03-28 12:04:16,348 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 13.57/6.47 [2019-03-28 12:04:16,361 INFO L110 SettingsManager]: Loading preferences was successful 13.57/6.47 [2019-03-28 12:04:16,362 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.57/6.47 [2019-03-28 12:04:16,363 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.57/6.47 [2019-03-28 12:04:16,363 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.57/6.47 [2019-03-28 12:04:16,363 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.57/6.47 [2019-03-28 12:04:16,363 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.57/6.47 [2019-03-28 12:04:16,363 INFO L133 SettingsManager]: * Use SBE=true 13.57/6.47 [2019-03-28 12:04:16,364 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.57/6.47 [2019-03-28 12:04:16,364 INFO L133 SettingsManager]: * Use old map elimination=false 13.57/6.47 [2019-03-28 12:04:16,364 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.57/6.47 [2019-03-28 12:04:16,364 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.57/6.47 [2019-03-28 12:04:16,364 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.57/6.47 [2019-03-28 12:04:16,364 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.57/6.47 [2019-03-28 12:04:16,365 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.57/6.47 [2019-03-28 12:04:16,365 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.57/6.47 [2019-03-28 12:04:16,365 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.57/6.47 [2019-03-28 12:04:16,365 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.57/6.47 [2019-03-28 12:04:16,365 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.57/6.47 [2019-03-28 12:04:16,366 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.57/6.47 [2019-03-28 12:04:16,366 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.57/6.47 [2019-03-28 12:04:16,366 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.57/6.47 [2019-03-28 12:04:16,366 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.57/6.47 [2019-03-28 12:04:16,366 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.57/6.47 [2019-03-28 12:04:16,366 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.57/6.47 [2019-03-28 12:04:16,367 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.57/6.47 [2019-03-28 12:04:16,367 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.57/6.47 [2019-03-28 12:04:16,367 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.57/6.47 [2019-03-28 12:04:16,367 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.57/6.47 [2019-03-28 12:04:16,367 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.57/6.47 [2019-03-28 12:04:16,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.57/6.47 [2019-03-28 12:04:16,406 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.57/6.47 [2019-03-28 12:04:16,409 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.57/6.47 [2019-03-28 12:04:16,410 INFO L271 PluginConnector]: Initializing CDTParser... 13.57/6.47 [2019-03-28 12:04:16,411 INFO L276 PluginConnector]: CDTParser initialized 13.57/6.47 [2019-03-28 12:04:16,412 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 13.57/6.47 [2019-03-28 12:04:16,480 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/927448e2e77f4af7b5489e0cbf3d0d86/FLAGd5cc5c9bf 13.57/6.47 [2019-03-28 12:04:16,798 INFO L307 CDTParser]: Found 1 translation units. 13.57/6.47 [2019-03-28 12:04:16,798 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 13.57/6.47 [2019-03-28 12:04:16,805 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/927448e2e77f4af7b5489e0cbf3d0d86/FLAGd5cc5c9bf 13.57/6.47 [2019-03-28 12:04:17,228 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/927448e2e77f4af7b5489e0cbf3d0d86 13.57/6.47 [2019-03-28 12:04:17,238 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.57/6.47 [2019-03-28 12:04:17,240 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.57/6.47 [2019-03-28 12:04:17,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.57/6.47 [2019-03-28 12:04:17,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.57/6.47 [2019-03-28 12:04:17,245 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.57/6.47 [2019-03-28 12:04:17,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:04:17" (1/1) ... 13.57/6.47 [2019-03-28 12:04:17,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65abfcf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:17, skipping insertion in model container 13.57/6.47 [2019-03-28 12:04:17,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:04:17" (1/1) ... 13.57/6.47 [2019-03-28 12:04:17,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.57/6.47 [2019-03-28 12:04:17,273 INFO L176 MainTranslator]: Built tables and reachable declarations 13.57/6.47 [2019-03-28 12:04:17,423 INFO L206 PostProcessor]: Analyzing one entry point: main 13.57/6.47 [2019-03-28 12:04:17,427 INFO L191 MainTranslator]: Completed pre-run 13.57/6.47 [2019-03-28 12:04:17,442 INFO L206 PostProcessor]: Analyzing one entry point: main 13.57/6.47 [2019-03-28 12:04:17,455 INFO L195 MainTranslator]: Completed translation 13.57/6.47 [2019-03-28 12:04:17,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:17 WrapperNode 13.57/6.47 [2019-03-28 12:04:17,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.57/6.47 [2019-03-28 12:04:17,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.57/6.47 [2019-03-28 12:04:17,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.57/6.47 [2019-03-28 12:04:17,457 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.57/6.47 [2019-03-28 12:04:17,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:17" (1/1) ... 13.57/6.47 [2019-03-28 12:04:17,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:17" (1/1) ... 13.57/6.47 [2019-03-28 12:04:17,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.57/6.47 [2019-03-28 12:04:17,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.57/6.47 [2019-03-28 12:04:17,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.57/6.47 [2019-03-28 12:04:17,545 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.57/6.47 [2019-03-28 12:04:17,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:17" (1/1) ... 13.57/6.47 [2019-03-28 12:04:17,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:17" (1/1) ... 13.57/6.47 [2019-03-28 12:04:17,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:17" (1/1) ... 13.57/6.47 [2019-03-28 12:04:17,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:17" (1/1) ... 13.57/6.47 [2019-03-28 12:04:17,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:17" (1/1) ... 13.57/6.47 [2019-03-28 12:04:17,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:17" (1/1) ... 13.57/6.47 [2019-03-28 12:04:17,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:17" (1/1) ... 13.57/6.47 [2019-03-28 12:04:17,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.57/6.47 [2019-03-28 12:04:17,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.57/6.47 [2019-03-28 12:04:17,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.57/6.47 [2019-03-28 12:04:17,564 INFO L276 PluginConnector]: RCFGBuilder initialized 13.57/6.47 [2019-03-28 12:04:17,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:17" (1/1) ... 13.57/6.47 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.57/6.47 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.57/6.47 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.57/6.47 [2019-03-28 12:04:17,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.57/6.47 [2019-03-28 12:04:17,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.57/6.47 [2019-03-28 12:04:17,750 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.57/6.47 [2019-03-28 12:04:17,750 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. 13.57/6.47 [2019-03-28 12:04:17,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:04:17 BoogieIcfgContainer 13.57/6.47 [2019-03-28 12:04:17,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.57/6.47 [2019-03-28 12:04:17,752 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.57/6.47 [2019-03-28 12:04:17,752 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.57/6.47 [2019-03-28 12:04:17,754 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.57/6.47 [2019-03-28 12:04:17,755 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:04:17" (1/1) ... 13.57/6.47 [2019-03-28 12:04:17,768 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 13 edges 13.57/6.47 [2019-03-28 12:04:17,770 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.57/6.47 [2019-03-28 12:04:17,770 INFO L263 BlockEncoder]: Using Maximize final states 13.57/6.47 [2019-03-28 12:04:17,771 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.57/6.47 [2019-03-28 12:04:17,771 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.57/6.47 [2019-03-28 12:04:17,773 INFO L296 BlockEncoder]: Using Remove sink states 13.57/6.47 [2019-03-28 12:04:17,774 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.57/6.47 [2019-03-28 12:04:17,774 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.57/6.47 [2019-03-28 12:04:17,788 INFO L185 BlockEncoder]: Using Use SBE 13.57/6.47 [2019-03-28 12:04:17,801 INFO L200 BlockEncoder]: SBE split 1 edges 13.57/6.47 [2019-03-28 12:04:17,805 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.57/6.47 [2019-03-28 12:04:17,807 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.57/6.47 [2019-03-28 12:04:17,821 INFO L100 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding 13.57/6.47 [2019-03-28 12:04:17,823 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 13.57/6.47 [2019-03-28 12:04:17,824 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.57/6.47 [2019-03-28 12:04:17,824 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.57/6.47 [2019-03-28 12:04:17,824 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.57/6.47 [2019-03-28 12:04:17,825 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.57/6.47 [2019-03-28 12:04:17,825 INFO L313 BlockEncoder]: Encoded RCFG 5 locations, 8 edges 13.57/6.47 [2019-03-28 12:04:17,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:04:17 BasicIcfg 13.57/6.47 [2019-03-28 12:04:17,826 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.57/6.47 [2019-03-28 12:04:17,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.57/6.47 [2019-03-28 12:04:17,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.57/6.47 [2019-03-28 12:04:17,830 INFO L276 PluginConnector]: TraceAbstraction initialized 13.57/6.47 [2019-03-28 12:04:17,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:04:17" (1/4) ... 13.57/6.47 [2019-03-28 12:04:17,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f0628d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:04:17, skipping insertion in model container 13.57/6.47 [2019-03-28 12:04:17,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:17" (2/4) ... 13.57/6.47 [2019-03-28 12:04:17,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f0628d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:04:17, skipping insertion in model container 13.57/6.47 [2019-03-28 12:04:17,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:04:17" (3/4) ... 13.57/6.47 [2019-03-28 12:04:17,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f0628d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:04:17, skipping insertion in model container 13.57/6.47 [2019-03-28 12:04:17,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:04:17" (4/4) ... 13.57/6.47 [2019-03-28 12:04:17,848 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.57/6.47 [2019-03-28 12:04:17,857 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.57/6.47 [2019-03-28 12:04:17,865 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.57/6.47 [2019-03-28 12:04:17,882 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.57/6.47 [2019-03-28 12:04:17,909 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.57/6.47 [2019-03-28 12:04:17,910 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.57/6.47 [2019-03-28 12:04:17,910 INFO L383 AbstractCegarLoop]: Hoare is true 13.57/6.47 [2019-03-28 12:04:17,910 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.57/6.47 [2019-03-28 12:04:17,910 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.57/6.47 [2019-03-28 12:04:17,910 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.57/6.47 [2019-03-28 12:04:17,911 INFO L387 AbstractCegarLoop]: Difference is false 13.57/6.47 [2019-03-28 12:04:17,911 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.57/6.47 [2019-03-28 12:04:17,911 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.57/6.47 [2019-03-28 12:04:17,924 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. 13.57/6.47 [2019-03-28 12:04:17,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.57/6.47 [2019-03-28 12:04:17,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. 13.57/6.47 [2019-03-28 12:04:17,979 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.57/6.47 [2019-03-28 12:04:17,979 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 14) no Hoare annotation was computed. 13.57/6.47 [2019-03-28 12:04:17,979 INFO L448 ceAbstractionStarter]: For program point L10-2(lines 7 15) no Hoare annotation was computed. 13.57/6.47 [2019-03-28 12:04:17,980 INFO L448 ceAbstractionStarter]: For program point L7(lines 7 15) no Hoare annotation was computed. 13.57/6.47 [2019-03-28 12:04:17,980 INFO L451 ceAbstractionStarter]: At program point L6-2(lines 6 17) the Hoare annotation is: true 13.57/6.47 [2019-03-28 12:04:17,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:04:17 BasicIcfg 13.57/6.47 [2019-03-28 12:04:17,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.57/6.47 [2019-03-28 12:04:17,989 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.57/6.47 [2019-03-28 12:04:17,989 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.57/6.47 [2019-03-28 12:04:17,992 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.57/6.47 [2019-03-28 12:04:17,992 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.57/6.47 [2019-03-28 12:04:17,993 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:04:17" (1/5) ... 13.57/6.47 [2019-03-28 12:04:17,993 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79f594fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:04:17, skipping insertion in model container 13.57/6.47 [2019-03-28 12:04:17,993 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.57/6.47 [2019-03-28 12:04:17,994 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:04:17" (2/5) ... 13.57/6.47 [2019-03-28 12:04:17,994 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79f594fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:04:17, skipping insertion in model container 13.57/6.47 [2019-03-28 12:04:17,994 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.57/6.47 [2019-03-28 12:04:17,994 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:04:17" (3/5) ... 13.57/6.47 [2019-03-28 12:04:17,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79f594fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:04:17, skipping insertion in model container 13.57/6.47 [2019-03-28 12:04:17,995 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.57/6.47 [2019-03-28 12:04:17,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:04:17" (4/5) ... 13.57/6.47 [2019-03-28 12:04:17,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79f594fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:04:17, skipping insertion in model container 13.57/6.47 [2019-03-28 12:04:17,995 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.57/6.47 [2019-03-28 12:04:17,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:04:17" (5/5) ... 13.57/6.47 [2019-03-28 12:04:17,997 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.57/6.47 [2019-03-28 12:04:18,023 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.57/6.47 [2019-03-28 12:04:18,024 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.57/6.47 [2019-03-28 12:04:18,024 INFO L375 BuchiCegarLoop]: Hoare is true 13.57/6.47 [2019-03-28 12:04:18,024 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.57/6.47 [2019-03-28 12:04:18,024 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.57/6.47 [2019-03-28 12:04:18,025 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.57/6.47 [2019-03-28 12:04:18,025 INFO L379 BuchiCegarLoop]: Difference is false 13.57/6.47 [2019-03-28 12:04:18,025 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.57/6.47 [2019-03-28 12:04:18,025 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.57/6.47 [2019-03-28 12:04:18,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 13.57/6.47 [2019-03-28 12:04:18,047 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 13.57/6.47 [2019-03-28 12:04:18,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.57/6.47 [2019-03-28 12:04:18,048 INFO L119 BuchiIsEmpty]: Starting construction of run 13.57/6.47 [2019-03-28 12:04:18,053 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.57/6.47 [2019-03-28 12:04:18,053 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 13.57/6.47 [2019-03-28 12:04:18,053 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.57/6.47 [2019-03-28 12:04:18,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states. 13.57/6.47 [2019-03-28 12:04:18,055 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 13.57/6.47 [2019-03-28 12:04:18,055 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.57/6.47 [2019-03-28 12:04:18,056 INFO L119 BuchiIsEmpty]: Starting construction of run 13.57/6.47 [2019-03-28 12:04:18,057 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.57/6.47 [2019-03-28 12:04:18,057 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 13.57/6.47 [2019-03-28 12:04:18,062 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L6-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 7#L6-2true 13.57/6.47 [2019-03-28 12:04:18,062 INFO L796 eck$LassoCheckResult]: Loop: 7#L6-2true [48] L6-2-->L7: Formula: (< 0 v_ULTIMATE.start_test_fun_~y_4) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4} AuxVars[] AssignedVars[] 5#L7true [36] L7-->L10-2: Formula: (and (< 0 v_ULTIMATE.start_test_fun_~x_6) (= v_ULTIMATE.start_test_fun_~x_5 (+ v_ULTIMATE.start_test_fun_~x_6 (- 1)))) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_6} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_5} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 6#L10-2true [39] L10-2-->L6-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 7#L6-2true 13.57/6.47 [2019-03-28 12:04:18,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.57/6.47 [2019-03-28 12:04:18,068 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 13.57/6.47 [2019-03-28 12:04:18,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.57/6.47 [2019-03-28 12:04:18,071 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.57/6.47 [2019-03-28 12:04:18,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.57/6.47 [2019-03-28 12:04:18,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.57/6.47 [2019-03-28 12:04:18,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.57/6.47 [2019-03-28 12:04:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.57/6.47 [2019-03-28 12:04:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.57/6.47 [2019-03-28 12:04:18,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.57/6.47 [2019-03-28 12:04:18,140 INFO L82 PathProgramCache]: Analyzing trace with hash 77074, now seen corresponding path program 1 times 13.57/6.47 [2019-03-28 12:04:18,140 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.57/6.47 [2019-03-28 12:04:18,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.57/6.47 [2019-03-28 12:04:18,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.57/6.47 [2019-03-28 12:04:18,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.57/6.47 [2019-03-28 12:04:18,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.57/6.47 [2019-03-28 12:04:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.57/6.47 [2019-03-28 12:04:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.57/6.47 [2019-03-28 12:04:18,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.57/6.47 [2019-03-28 12:04:18,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1983698, now seen corresponding path program 1 times 13.57/6.47 [2019-03-28 12:04:18,153 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.57/6.47 [2019-03-28 12:04:18,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.57/6.47 [2019-03-28 12:04:18,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.57/6.47 [2019-03-28 12:04:18,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.57/6.47 [2019-03-28 12:04:18,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.57/6.47 [2019-03-28 12:04:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.57/6.47 [2019-03-28 12:04:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.57/6.47 [2019-03-28 12:04:18,218 INFO L216 LassoAnalysis]: Preferences: 13.57/6.47 [2019-03-28 12:04:18,219 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.57/6.47 [2019-03-28 12:04:18,220 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.57/6.47 [2019-03-28 12:04:18,220 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.57/6.47 [2019-03-28 12:04:18,220 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.57/6.47 [2019-03-28 12:04:18,220 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.57/6.47 [2019-03-28 12:04:18,220 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.57/6.47 [2019-03-28 12:04:18,220 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.57/6.47 [2019-03-28 12:04:18,221 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.57/6.47 [2019-03-28 12:04:18,221 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.57/6.47 [2019-03-28 12:04:18,221 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.57/6.47 [2019-03-28 12:04:18,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.57/6.47 [2019-03-28 12:04:18,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.57/6.47 [2019-03-28 12:04:18,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.57/6.47 [2019-03-28 12:04:18,306 INFO L300 LassoAnalysis]: Preprocessing complete. 13.57/6.47 [2019-03-28 12:04:18,307 INFO L412 LassoAnalysis]: Checking for nontermination... 13.57/6.47 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.57/6.47 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.57/6.47 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.57/6.47 [2019-03-28 12:04:18,314 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.57/6.47 [2019-03-28 12:04:18,314 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.57/6.47 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.57/6.47 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.57/6.47 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.57/6.47 [2019-03-28 12:04:18,345 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.57/6.47 [2019-03-28 12:04:18,345 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.57/6.47 [2019-03-28 12:04:18,366 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.57/6.47 [2019-03-28 12:04:18,366 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~c~0=0} Honda state: {ULTIMATE.start_test_fun_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_test_fun_~c~0=-4}, {ULTIMATE.start_test_fun_~c~0=7}, {ULTIMATE.start_test_fun_~c~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] 13.57/6.47 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.57/6.47 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.57/6.47 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.57/6.47 [2019-03-28 12:04:18,392 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.57/6.47 [2019-03-28 12:04:18,393 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.57/6.47 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.57/6.47 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.57/6.47 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.57/6.47 [2019-03-28 12:04:18,422 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.57/6.47 [2019-03-28 12:04:18,422 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.57/6.47 [2019-03-28 12:04:18,452 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.57/6.47 [2019-03-28 12:04:18,454 INFO L216 LassoAnalysis]: Preferences: 13.57/6.47 [2019-03-28 12:04:18,454 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.57/6.47 [2019-03-28 12:04:18,455 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.57/6.47 [2019-03-28 12:04:18,455 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.57/6.47 [2019-03-28 12:04:18,455 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.57/6.47 [2019-03-28 12:04:18,455 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.57/6.47 [2019-03-28 12:04:18,455 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.57/6.47 [2019-03-28 12:04:18,455 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.57/6.47 [2019-03-28 12:04:18,455 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.57/6.47 [2019-03-28 12:04:18,456 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.57/6.47 [2019-03-28 12:04:18,456 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.57/6.47 [2019-03-28 12:04:18,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.57/6.47 [2019-03-28 12:04:18,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.57/6.47 [2019-03-28 12:04:18,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.57/6.47 [2019-03-28 12:04:18,518 INFO L300 LassoAnalysis]: Preprocessing complete. 13.57/6.47 [2019-03-28 12:04:18,524 INFO L497 LassoAnalysis]: Using template 'affine'. 13.57/6.47 [2019-03-28 12:04:18,525 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.57/6.47 Termination analysis: LINEAR_WITH_GUESSES 13.57/6.47 Number of strict supporting invariants: 0 13.57/6.47 Number of non-strict supporting invariants: 1 13.57/6.47 Consider only non-deceasing supporting invariants: true 13.57/6.47 Simplify termination arguments: true 13.57/6.47 Simplify supporting invariants: trueOverapproximate stem: false 13.57/6.47 [2019-03-28 12:04:18,527 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.57/6.47 [2019-03-28 12:04:18,527 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.57/6.47 [2019-03-28 12:04:18,528 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.57/6.47 [2019-03-28 12:04:18,528 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.57/6.47 [2019-03-28 12:04:18,528 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.57/6.47 [2019-03-28 12:04:18,530 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.57/6.47 [2019-03-28 12:04:18,530 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.57/6.47 [2019-03-28 12:04:18,538 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.57/6.47 [2019-03-28 12:04:18,539 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.57/6.47 Termination analysis: LINEAR_WITH_GUESSES 13.57/6.47 Number of strict supporting invariants: 0 13.57/6.47 Number of non-strict supporting invariants: 1 13.57/6.47 Consider only non-deceasing supporting invariants: true 13.57/6.47 Simplify termination arguments: true 13.57/6.47 Simplify supporting invariants: trueOverapproximate stem: false 13.57/6.47 [2019-03-28 12:04:18,539 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.57/6.47 [2019-03-28 12:04:18,539 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.57/6.47 [2019-03-28 12:04:18,540 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.57/6.47 [2019-03-28 12:04:18,540 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.57/6.47 [2019-03-28 12:04:18,540 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.57/6.47 [2019-03-28 12:04:18,541 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.57/6.47 [2019-03-28 12:04:18,541 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.57/6.47 [2019-03-28 12:04:18,546 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.57/6.47 [2019-03-28 12:04:18,551 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.57/6.47 [2019-03-28 12:04:18,551 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 13.57/6.47 [2019-03-28 12:04:18,553 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.57/6.47 [2019-03-28 12:04:18,553 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.57/6.47 [2019-03-28 12:04:18,553 INFO L518 LassoAnalysis]: Proved termination. 13.57/6.47 [2019-03-28 12:04:18,554 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.57/6.47 Ranking function f(ULTIMATE.start_test_fun_~x) = 1*ULTIMATE.start_test_fun_~x 13.57/6.47 Supporting invariants [] 13.57/6.47 [2019-03-28 12:04:18,555 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.57/6.47 [2019-03-28 12:04:18,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.57/6.47 [2019-03-28 12:04:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.57/6.47 [2019-03-28 12:04:18,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core 13.57/6.47 [2019-03-28 12:04:18,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.57/6.47 [2019-03-28 12:04:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.57/6.47 [2019-03-28 12:04:18,614 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 13.57/6.47 [2019-03-28 12:04:18,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.57/6.47 [2019-03-28 12:04:18,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.57/6.47 [2019-03-28 12:04:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.57/6.47 [2019-03-28 12:04:18,675 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 13.57/6.47 [2019-03-28 12:04:18,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.57/6.47 [2019-03-28 12:04:18,676 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 13.57/6.47 [2019-03-28 12:04:18,681 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 13.57/6.47 [2019-03-28 12:04:18,682 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states. Second operand 4 states. 13.57/6.47 [2019-03-28 12:04:18,747 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states.. Second operand 4 states. Result 18 states and 30 transitions. Complement of second has 6 states. 13.57/6.47 [2019-03-28 12:04:18,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 13.57/6.47 [2019-03-28 12:04:18,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 13.57/6.47 [2019-03-28 12:04:18,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. 13.57/6.47 [2019-03-28 12:04:18,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 1 letters. Loop has 3 letters. 13.57/6.47 [2019-03-28 12:04:18,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.57/6.47 [2019-03-28 12:04:18,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 3 letters. 13.57/6.47 [2019-03-28 12:04:18,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.57/6.47 [2019-03-28 12:04:18,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 1 letters. Loop has 6 letters. 13.57/6.47 [2019-03-28 12:04:18,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.57/6.47 [2019-03-28 12:04:18,760 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 30 transitions. 13.57/6.47 [2019-03-28 12:04:18,762 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 13.57/6.47 [2019-03-28 12:04:18,767 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 27 transitions. 13.57/6.47 [2019-03-28 12:04:18,768 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 13.57/6.47 [2019-03-28 12:04:18,768 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 13.57/6.47 [2019-03-28 12:04:18,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 27 transitions. 13.57/6.47 [2019-03-28 12:04:18,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 13.57/6.47 [2019-03-28 12:04:18,770 INFO L706 BuchiCegarLoop]: Abstraction has 16 states and 27 transitions. 13.57/6.47 [2019-03-28 12:04:18,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 27 transitions. 13.57/6.47 [2019-03-28 12:04:18,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 13. 13.57/6.47 [2019-03-28 12:04:18,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. 13.57/6.47 [2019-03-28 12:04:18,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 24 transitions. 13.57/6.47 [2019-03-28 12:04:18,800 INFO L729 BuchiCegarLoop]: Abstraction has 13 states and 24 transitions. 13.57/6.47 [2019-03-28 12:04:18,800 INFO L609 BuchiCegarLoop]: Abstraction has 13 states and 24 transitions. 13.57/6.47 [2019-03-28 12:04:18,800 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.57/6.47 [2019-03-28 12:04:18,800 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 24 transitions. 13.57/6.47 [2019-03-28 12:04:18,801 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 13.57/6.47 [2019-03-28 12:04:18,801 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.57/6.47 [2019-03-28 12:04:18,801 INFO L119 BuchiIsEmpty]: Starting construction of run 13.57/6.47 [2019-03-28 12:04:18,801 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 13.57/6.47 [2019-03-28 12:04:18,801 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] 13.57/6.47 [2019-03-28 12:04:18,802 INFO L794 eck$LassoCheckResult]: Stem: 74#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L6-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 75#L6-2 [48] L6-2-->L7: Formula: (< 0 v_ULTIMATE.start_test_fun_~y_4) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4} AuxVars[] AssignedVars[] 76#L7 13.57/6.47 [2019-03-28 12:04:18,802 INFO L796 eck$LassoCheckResult]: Loop: 76#L7 [46] L7-->L10: Formula: (>= 0 v_ULTIMATE.start_test_fun_~x_7) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} OutVars{ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_7} AuxVars[] AssignedVars[] 70#L10 [32] L10-->L10-2: Formula: (and (= v_ULTIMATE.start_test_fun_~y_5 (+ v_ULTIMATE.start_test_fun_~y_6 (- 1))) (< 0 v_ULTIMATE.start_test_fun_~y_6)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_6} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y] 71#L10-2 [39] L10-2-->L6-2: Formula: (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) InVars {ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~c~0] 80#L6-2 [48] L6-2-->L7: Formula: (< 0 v_ULTIMATE.start_test_fun_~y_4) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4} AuxVars[] AssignedVars[] 76#L7 13.57/6.47 [2019-03-28 12:04:18,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.57/6.47 [2019-03-28 12:04:18,803 INFO L82 PathProgramCache]: Analyzing trace with hash 2063, now seen corresponding path program 1 times 13.57/6.47 [2019-03-28 12:04:18,803 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.57/6.47 [2019-03-28 12:04:18,803 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.57/6.47 [2019-03-28 12:04:18,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.57/6.47 [2019-03-28 12:04:18,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.57/6.47 [2019-03-28 12:04:18,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.57/6.47 [2019-03-28 12:04:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.57/6.47 [2019-03-28 12:04:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.57/6.47 [2019-03-28 12:04:18,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.57/6.47 [2019-03-28 12:04:18,810 INFO L82 PathProgramCache]: Analyzing trace with hash 2325916, now seen corresponding path program 1 times 13.57/6.47 [2019-03-28 12:04:18,810 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.57/6.47 [2019-03-28 12:04:18,810 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.57/6.47 [2019-03-28 12:04:18,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.57/6.47 [2019-03-28 12:04:18,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.57/6.47 [2019-03-28 12:04:18,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.57/6.47 [2019-03-28 12:04:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.57/6.47 [2019-03-28 12:04:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.57/6.47 [2019-03-28 12:04:18,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.57/6.47 [2019-03-28 12:04:18,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1906626218, now seen corresponding path program 1 times 13.57/6.47 [2019-03-28 12:04:18,818 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.57/6.47 [2019-03-28 12:04:18,818 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.57/6.47 [2019-03-28 12:04:18,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.57/6.47 [2019-03-28 12:04:18,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.57/6.47 [2019-03-28 12:04:18,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.57/6.47 [2019-03-28 12:04:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.57/6.47 [2019-03-28 12:04:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.57/6.47 [2019-03-28 12:04:18,852 INFO L216 LassoAnalysis]: Preferences: 13.57/6.47 [2019-03-28 12:04:18,853 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.57/6.47 [2019-03-28 12:04:18,853 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.57/6.47 [2019-03-28 12:04:18,853 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.57/6.47 [2019-03-28 12:04:18,853 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.57/6.47 [2019-03-28 12:04:18,853 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.57/6.47 [2019-03-28 12:04:18,853 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.57/6.47 [2019-03-28 12:04:18,854 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.57/6.47 [2019-03-28 12:04:18,854 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.57/6.47 [2019-03-28 12:04:18,854 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.57/6.47 [2019-03-28 12:04:18,854 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.57/6.47 [2019-03-28 12:04:18,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.57/6.47 [2019-03-28 12:04:18,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.57/6.47 [2019-03-28 12:04:18,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.57/6.47 [2019-03-28 12:04:18,902 INFO L300 LassoAnalysis]: Preprocessing complete. 13.57/6.47 [2019-03-28 12:04:18,902 INFO L412 LassoAnalysis]: Checking for nontermination... 13.57/6.47 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.57/6.47 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.57/6.47 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.57/6.47 [2019-03-28 12:04:18,906 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.57/6.47 [2019-03-28 12:04:18,907 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.57/6.47 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.57/6.47 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.57/6.47 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.57/6.47 [2019-03-28 12:04:18,936 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.57/6.47 [2019-03-28 12:04:18,936 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.57/6.47 [2019-03-28 12:04:18,951 INFO L445 LassoAnalysis]: Proved nontermination for one component. 13.57/6.47 [2019-03-28 12:04:18,952 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~c~0=0} Honda state: {ULTIMATE.start_test_fun_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_test_fun_~c~0=-4}, {ULTIMATE.start_test_fun_~c~0=7}, {ULTIMATE.start_test_fun_~c~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] 13.57/6.47 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.57/6.47 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.57/6.47 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.57/6.47 [2019-03-28 12:04:18,978 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.57/6.47 [2019-03-28 12:04:18,978 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.57/6.47 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 13.57/6.47 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.57/6.47 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.57/6.47 [2019-03-28 12:04:19,008 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.57/6.47 [2019-03-28 12:04:19,008 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.57/6.47 [2019-03-28 12:04:19,084 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.57/6.47 [2019-03-28 12:04:19,086 INFO L216 LassoAnalysis]: Preferences: 13.57/6.47 [2019-03-28 12:04:19,087 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.57/6.47 [2019-03-28 12:04:19,087 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.57/6.47 [2019-03-28 12:04:19,087 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.57/6.47 [2019-03-28 12:04:19,087 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.57/6.47 [2019-03-28 12:04:19,087 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.57/6.47 [2019-03-28 12:04:19,087 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.57/6.47 [2019-03-28 12:04:19,087 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.57/6.47 [2019-03-28 12:04:19,088 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 13.57/6.47 [2019-03-28 12:04:19,088 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.57/6.47 [2019-03-28 12:04:19,088 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.57/6.47 [2019-03-28 12:04:19,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.57/6.47 [2019-03-28 12:04:19,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.57/6.47 [2019-03-28 12:04:19,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.57/6.47 [2019-03-28 12:04:19,129 INFO L300 LassoAnalysis]: Preprocessing complete. 13.57/6.47 [2019-03-28 12:04:19,129 INFO L497 LassoAnalysis]: Using template 'affine'. 13.57/6.47 [2019-03-28 12:04:19,130 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.57/6.47 Termination analysis: LINEAR_WITH_GUESSES 13.57/6.47 Number of strict supporting invariants: 0 13.57/6.47 Number of non-strict supporting invariants: 1 13.57/6.47 Consider only non-deceasing supporting invariants: true 13.57/6.47 Simplify termination arguments: true 13.57/6.47 Simplify supporting invariants: trueOverapproximate stem: false 13.57/6.47 [2019-03-28 12:04:19,131 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.57/6.47 [2019-03-28 12:04:19,131 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.57/6.47 [2019-03-28 12:04:19,131 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.57/6.47 [2019-03-28 12:04:19,131 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.57/6.47 [2019-03-28 12:04:19,131 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.57/6.47 [2019-03-28 12:04:19,132 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.57/6.47 [2019-03-28 12:04:19,132 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.57/6.47 [2019-03-28 12:04:19,136 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 13.57/6.47 [2019-03-28 12:04:19,137 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.57/6.47 Termination analysis: LINEAR_WITH_GUESSES 13.57/6.47 Number of strict supporting invariants: 0 13.57/6.47 Number of non-strict supporting invariants: 1 13.57/6.47 Consider only non-deceasing supporting invariants: true 13.57/6.47 Simplify termination arguments: true 13.57/6.47 Simplify supporting invariants: trueOverapproximate stem: false 13.57/6.47 [2019-03-28 12:04:19,137 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.57/6.47 [2019-03-28 12:04:19,138 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.57/6.47 [2019-03-28 12:04:19,138 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.57/6.47 [2019-03-28 12:04:19,138 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.57/6.47 [2019-03-28 12:04:19,138 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.57/6.47 [2019-03-28 12:04:19,139 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.57/6.47 [2019-03-28 12:04:19,139 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.57/6.47 [2019-03-28 12:04:19,143 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.57/6.47 [2019-03-28 12:04:19,147 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.57/6.47 [2019-03-28 12:04:19,147 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 13.57/6.47 [2019-03-28 12:04:19,147 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.57/6.47 [2019-03-28 12:04:19,147 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.57/6.47 [2019-03-28 12:04:19,148 INFO L518 LassoAnalysis]: Proved termination. 13.57/6.47 [2019-03-28 12:04:19,148 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.57/6.47 Ranking function f(ULTIMATE.start_test_fun_~y) = 1*ULTIMATE.start_test_fun_~y 13.57/6.47 Supporting invariants [] 13.57/6.47 [2019-03-28 12:04:19,148 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.57/6.47 [2019-03-28 12:04:19,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.57/6.47 [2019-03-28 12:04:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.57/6.47 [2019-03-28 12:04:19,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core 13.57/6.47 [2019-03-28 12:04:19,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.57/6.47 [2019-03-28 12:04:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.57/6.47 [2019-03-28 12:04:19,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 13.57/6.47 [2019-03-28 12:04:19,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.57/6.47 [2019-03-28 12:04:19,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.57/6.47 [2019-03-28 12:04:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.57/6.47 [2019-03-28 12:04:19,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 13.57/6.47 [2019-03-28 12:04:19,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.57/6.47 [2019-03-28 12:04:19,232 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 3 predicates after loop cannibalization 13.57/6.47 [2019-03-28 12:04:19,232 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 13.57/6.47 [2019-03-28 12:04:19,232 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 13 states and 24 transitions. cyclomatic complexity: 13 Second operand 4 states. 13.57/6.47 [2019-03-28 12:04:19,312 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 13 states and 24 transitions. cyclomatic complexity: 13. Second operand 4 states. Result 96 states and 164 transitions. Complement of second has 18 states. 13.57/6.47 [2019-03-28 12:04:19,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 2 non-accepting loop states 2 accepting loop states 13.57/6.47 [2019-03-28 12:04:19,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 13.57/6.47 [2019-03-28 12:04:19,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 33 transitions. 13.57/6.47 [2019-03-28 12:04:19,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 2 letters. Loop has 4 letters. 13.57/6.47 [2019-03-28 12:04:19,315 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.57/6.47 [2019-03-28 12:04:19,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 6 letters. Loop has 4 letters. 13.57/6.47 [2019-03-28 12:04:19,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.57/6.47 [2019-03-28 12:04:19,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 33 transitions. Stem has 2 letters. Loop has 8 letters. 13.57/6.47 [2019-03-28 12:04:19,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.57/6.47 [2019-03-28 12:04:19,318 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 96 states and 164 transitions. 13.57/6.47 [2019-03-28 12:04:19,323 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.57/6.47 [2019-03-28 12:04:19,323 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 96 states to 0 states and 0 transitions. 13.57/6.47 [2019-03-28 12:04:19,323 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.57/6.47 [2019-03-28 12:04:19,323 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.57/6.47 [2019-03-28 12:04:19,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.57/6.47 [2019-03-28 12:04:19,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.57/6.47 [2019-03-28 12:04:19,324 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.57/6.47 [2019-03-28 12:04:19,324 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.57/6.47 [2019-03-28 12:04:19,324 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.57/6.47 [2019-03-28 12:04:19,324 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 13.57/6.47 [2019-03-28 12:04:19,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.57/6.47 [2019-03-28 12:04:19,325 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.57/6.47 [2019-03-28 12:04:19,325 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.57/6.47 [2019-03-28 12:04:19,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:04:19 BasicIcfg 13.57/6.47 [2019-03-28 12:04:19,332 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.57/6.47 [2019-03-28 12:04:19,332 INFO L168 Benchmark]: Toolchain (without parser) took 2093.38 ms. Allocated memory was 649.6 MB in the beginning and 650.6 MB in the end (delta: 1.0 MB). Free memory was 563.8 MB in the beginning and 441.8 MB in the end (delta: 122.0 MB). Peak memory consumption was 123.0 MB. Max. memory is 50.3 GB. 13.57/6.47 [2019-03-28 12:04:19,334 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.3 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.57/6.47 [2019-03-28 12:04:19,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 215.44 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.57/6.47 [2019-03-28 12:04:19,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.47 ms. Allocated memory was 649.6 MB in the beginning and 650.6 MB in the end (delta: 1.0 MB). Free memory was 554.3 MB in the beginning and 617.2 MB in the end (delta: -62.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 50.3 GB. 13.57/6.47 [2019-03-28 12:04:19,336 INFO L168 Benchmark]: Boogie Preprocessor took 18.80 ms. Allocated memory is still 650.6 MB. Free memory was 617.2 MB in the beginning and 615.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 13.57/6.47 [2019-03-28 12:04:19,336 INFO L168 Benchmark]: RCFGBuilder took 187.65 ms. Allocated memory is still 650.6 MB. Free memory was 615.8 MB in the beginning and 599.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 50.3 GB. 13.57/6.47 [2019-03-28 12:04:19,337 INFO L168 Benchmark]: BlockEncodingV2 took 74.13 ms. Allocated memory is still 650.6 MB. Free memory was 599.8 MB in the beginning and 594.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.57/6.47 [2019-03-28 12:04:19,338 INFO L168 Benchmark]: TraceAbstraction took 161.47 ms. Allocated memory is still 650.6 MB. Free memory was 594.4 MB in the beginning and 585.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.57/6.47 [2019-03-28 12:04:19,338 INFO L168 Benchmark]: BuchiAutomizer took 1343.44 ms. Allocated memory is still 650.6 MB. Free memory was 585.0 MB in the beginning and 441.8 MB in the end (delta: 143.2 MB). Peak memory consumption was 143.2 MB. Max. memory is 50.3 GB. 13.57/6.47 [2019-03-28 12:04:19,342 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.57/6.47 --- Results --- 13.57/6.47 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.57/6.47 - StatisticsResult: Initial Icfg 13.57/6.47 10 locations, 13 edges 13.57/6.47 - StatisticsResult: Encoded RCFG 13.57/6.47 5 locations, 8 edges 13.57/6.47 * Results from de.uni_freiburg.informatik.ultimate.core: 13.57/6.47 - StatisticsResult: Toolchain Benchmarks 13.57/6.47 Benchmark results are: 13.57/6.47 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.3 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.57/6.47 * CACSL2BoogieTranslator took 215.44 ms. Allocated memory is still 649.6 MB. Free memory was 563.8 MB in the beginning and 554.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.57/6.47 * Boogie Procedure Inliner took 87.47 ms. Allocated memory was 649.6 MB in the beginning and 650.6 MB in the end (delta: 1.0 MB). Free memory was 554.3 MB in the beginning and 617.2 MB in the end (delta: -62.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 50.3 GB. 13.57/6.47 * Boogie Preprocessor took 18.80 ms. Allocated memory is still 650.6 MB. Free memory was 617.2 MB in the beginning and 615.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 13.57/6.47 * RCFGBuilder took 187.65 ms. Allocated memory is still 650.6 MB. Free memory was 615.8 MB in the beginning and 599.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 50.3 GB. 13.57/6.47 * BlockEncodingV2 took 74.13 ms. Allocated memory is still 650.6 MB. Free memory was 599.8 MB in the beginning and 594.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.57/6.47 * TraceAbstraction took 161.47 ms. Allocated memory is still 650.6 MB. Free memory was 594.4 MB in the beginning and 585.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.57/6.47 * BuchiAutomizer took 1343.44 ms. Allocated memory is still 650.6 MB. Free memory was 585.0 MB in the beginning and 441.8 MB in the end (delta: 143.2 MB). Peak memory consumption was 143.2 MB. Max. memory is 50.3 GB. 13.57/6.47 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.57/6.47 - AllSpecificationsHoldResult: All specifications hold 13.57/6.47 We were not able to verify any specifiation because the program does not contain any specification. 13.57/6.47 - InvariantResult [Line: 6]: Loop Invariant 13.57/6.47 Derived loop invariant: 1 13.57/6.47 - StatisticsResult: Ultimate Automizer benchmark data 13.57/6.47 CFG has 1 procedures, 5 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=5occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 13.57/6.47 - StatisticsResult: Constructed decomposition of program 13.57/6.47 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function x and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 6 locations. 13.57/6.47 - StatisticsResult: Timing statistics 13.57/6.47 BüchiAutomizer plugin needed 1.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 38 SDslu, 24 SDs, 0 SdLazy, 43 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 13.57/6.47 - TerminationAnalysisResult: Termination proven 13.57/6.47 Buchi Automizer proved that your program is terminating 13.57/6.47 RESULT: Ultimate proved your program to be correct! 13.57/6.47 !SESSION 2019-03-28 12:04:14.103 ----------------------------------------------- 13.57/6.47 eclipse.buildId=unknown 13.57/6.47 java.version=1.8.0_144 13.57/6.47 java.vendor=Oracle Corporation 13.57/6.47 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.57/6.47 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.57/6.47 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 13.57/6.47 13.57/6.47 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:04:19.575 13.57/6.47 !MESSAGE The workspace will exit with unsaved changes in this session. 13.57/6.47 Received shutdown request... 13.57/6.47 Ultimate: 13.57/6.47 GTK+ Version Check 13.57/6.47 EOF