27.94/19.28 YES 27.94/19.28 27.94/19.28 Ultimate: Cannot open display: 27.94/19.28 This is Ultimate 0.1.24-8dc7c08-m 27.94/19.28 [2019-03-28 11:56:46,317 INFO L170 SettingsManager]: Resetting all preferences to default values... 27.94/19.28 [2019-03-28 11:56:46,319 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 27.94/19.28 [2019-03-28 11:56:46,330 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 27.94/19.28 [2019-03-28 11:56:46,330 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 27.94/19.28 [2019-03-28 11:56:46,331 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 27.94/19.28 [2019-03-28 11:56:46,332 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 27.94/19.28 [2019-03-28 11:56:46,334 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 27.94/19.28 [2019-03-28 11:56:46,335 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 27.94/19.28 [2019-03-28 11:56:46,336 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 27.94/19.28 [2019-03-28 11:56:46,337 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 27.94/19.28 [2019-03-28 11:56:46,337 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 27.94/19.28 [2019-03-28 11:56:46,338 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 27.94/19.28 [2019-03-28 11:56:46,339 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 27.94/19.28 [2019-03-28 11:56:46,340 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 27.94/19.28 [2019-03-28 11:56:46,341 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 27.94/19.28 [2019-03-28 11:56:46,341 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 27.94/19.28 [2019-03-28 11:56:46,343 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 27.94/19.28 [2019-03-28 11:56:46,345 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 27.94/19.28 [2019-03-28 11:56:46,346 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 27.94/19.28 [2019-03-28 11:56:46,347 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 27.94/19.28 [2019-03-28 11:56:46,348 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 27.94/19.28 [2019-03-28 11:56:46,351 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 27.94/19.28 [2019-03-28 11:56:46,351 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 27.94/19.28 [2019-03-28 11:56:46,351 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 27.94/19.28 [2019-03-28 11:56:46,352 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 27.94/19.28 [2019-03-28 11:56:46,352 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 27.94/19.28 [2019-03-28 11:56:46,353 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 27.94/19.28 [2019-03-28 11:56:46,353 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 27.94/19.28 [2019-03-28 11:56:46,354 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 27.94/19.28 [2019-03-28 11:56:46,355 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 27.94/19.28 [2019-03-28 11:56:46,355 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 27.94/19.28 [2019-03-28 11:56:46,356 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 27.94/19.28 [2019-03-28 11:56:46,357 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 27.94/19.28 [2019-03-28 11:56:46,357 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 27.94/19.28 [2019-03-28 11:56:46,357 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 27.94/19.28 [2019-03-28 11:56:46,358 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 27.94/19.28 [2019-03-28 11:56:46,359 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 27.94/19.28 [2019-03-28 11:56:46,359 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 27.94/19.28 [2019-03-28 11:56:46,359 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 27.94/19.28 [2019-03-28 11:56:46,374 INFO L110 SettingsManager]: Loading preferences was successful 27.94/19.28 [2019-03-28 11:56:46,374 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 27.94/19.28 [2019-03-28 11:56:46,375 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 27.94/19.28 [2019-03-28 11:56:46,375 INFO L133 SettingsManager]: * Rewrite not-equals=true 27.94/19.28 [2019-03-28 11:56:46,376 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 27.94/19.28 [2019-03-28 11:56:46,376 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 27.94/19.28 [2019-03-28 11:56:46,376 INFO L133 SettingsManager]: * Use SBE=true 27.94/19.28 [2019-03-28 11:56:46,376 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 27.94/19.28 [2019-03-28 11:56:46,376 INFO L133 SettingsManager]: * Use old map elimination=false 27.94/19.28 [2019-03-28 11:56:46,377 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 27.94/19.28 [2019-03-28 11:56:46,377 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 27.94/19.28 [2019-03-28 11:56:46,377 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 27.94/19.28 [2019-03-28 11:56:46,377 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 27.94/19.28 [2019-03-28 11:56:46,377 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 27.94/19.28 [2019-03-28 11:56:46,377 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 27.94/19.28 [2019-03-28 11:56:46,378 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 27.94/19.28 [2019-03-28 11:56:46,378 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 27.94/19.28 [2019-03-28 11:56:46,378 INFO L133 SettingsManager]: * Check division by zero=IGNORE 27.94/19.28 [2019-03-28 11:56:46,378 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 27.94/19.28 [2019-03-28 11:56:46,378 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 27.94/19.28 [2019-03-28 11:56:46,379 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 27.94/19.28 [2019-03-28 11:56:46,379 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 27.94/19.28 [2019-03-28 11:56:46,379 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 27.94/19.28 [2019-03-28 11:56:46,379 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 27.94/19.28 [2019-03-28 11:56:46,379 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 27.94/19.28 [2019-03-28 11:56:46,380 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 27.94/19.28 [2019-03-28 11:56:46,380 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 27.94/19.28 [2019-03-28 11:56:46,380 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 27.94/19.28 [2019-03-28 11:56:46,380 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 27.94/19.28 [2019-03-28 11:56:46,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 27.94/19.28 [2019-03-28 11:56:46,418 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 27.94/19.28 [2019-03-28 11:56:46,422 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 27.94/19.28 [2019-03-28 11:56:46,423 INFO L271 PluginConnector]: Initializing CDTParser... 27.94/19.28 [2019-03-28 11:56:46,424 INFO L276 PluginConnector]: CDTParser initialized 27.94/19.28 [2019-03-28 11:56:46,424 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 27.94/19.28 [2019-03-28 11:56:46,522 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/d9901aaf3e894cf0893937a65a4d50e3/FLAG780a6fe6e 27.94/19.28 [2019-03-28 11:56:46,856 INFO L307 CDTParser]: Found 1 translation units. 27.94/19.28 [2019-03-28 11:56:46,856 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 27.94/19.28 [2019-03-28 11:56:46,863 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/d9901aaf3e894cf0893937a65a4d50e3/FLAG780a6fe6e 27.94/19.28 [2019-03-28 11:56:47,289 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/d9901aaf3e894cf0893937a65a4d50e3 27.94/19.28 [2019-03-28 11:56:47,300 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 27.94/19.28 [2019-03-28 11:56:47,302 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 27.94/19.28 [2019-03-28 11:56:47,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 27.94/19.28 [2019-03-28 11:56:47,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 27.94/19.28 [2019-03-28 11:56:47,306 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 27.94/19.28 [2019-03-28 11:56:47,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:56:47" (1/1) ... 27.94/19.28 [2019-03-28 11:56:47,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa6ba8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47, skipping insertion in model container 27.94/19.28 [2019-03-28 11:56:47,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 11:56:47" (1/1) ... 27.94/19.28 [2019-03-28 11:56:47,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 27.94/19.28 [2019-03-28 11:56:47,336 INFO L176 MainTranslator]: Built tables and reachable declarations 27.94/19.28 [2019-03-28 11:56:47,493 INFO L206 PostProcessor]: Analyzing one entry point: main 27.94/19.28 [2019-03-28 11:56:47,497 INFO L191 MainTranslator]: Completed pre-run 27.94/19.28 [2019-03-28 11:56:47,514 INFO L206 PostProcessor]: Analyzing one entry point: main 27.94/19.28 [2019-03-28 11:56:47,590 INFO L195 MainTranslator]: Completed translation 27.94/19.28 [2019-03-28 11:56:47,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47 WrapperNode 27.94/19.28 [2019-03-28 11:56:47,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 27.94/19.28 [2019-03-28 11:56:47,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 27.94/19.28 [2019-03-28 11:56:47,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 27.94/19.28 [2019-03-28 11:56:47,592 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 27.94/19.28 [2019-03-28 11:56:47,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 27.94/19.28 [2019-03-28 11:56:47,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 27.94/19.28 [2019-03-28 11:56:47,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 27.94/19.28 [2019-03-28 11:56:47,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 27.94/19.28 [2019-03-28 11:56:47,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 27.94/19.28 [2019-03-28 11:56:47,629 INFO L276 PluginConnector]: Boogie Preprocessor initialized 27.94/19.28 [2019-03-28 11:56:47,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 27.94/19.28 [2019-03-28 11:56:47,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 27.94/19.28 [2019-03-28 11:56:47,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 27.94/19.28 [2019-03-28 11:56:47,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 27.94/19.28 [2019-03-28 11:56:47,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 27.94/19.28 [2019-03-28 11:56:47,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 27.94/19.28 [2019-03-28 11:56:47,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 27.94/19.28 [2019-03-28 11:56:47,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 27.94/19.28 [2019-03-28 11:56:47,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 27.94/19.28 [2019-03-28 11:56:47,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... 27.94/19.28 [2019-03-28 11:56:47,649 INFO L276 PluginConnector]: RCFGBuilder initialized 27.94/19.28 [2019-03-28 11:56:47,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (1/1) ... 27.94/19.28 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 27.94/19.28 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 27.94/19.28 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 27.94/19.28 [2019-03-28 11:56:47,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 27.94/19.28 [2019-03-28 11:56:47,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 27.94/19.28 [2019-03-28 11:56:47,878 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 27.94/19.28 [2019-03-28 11:56:47,878 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 27.94/19.28 [2019-03-28 11:56:47,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:56:47 BoogieIcfgContainer 27.94/19.28 [2019-03-28 11:56:47,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 27.94/19.28 [2019-03-28 11:56:47,880 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 27.94/19.28 [2019-03-28 11:56:47,880 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 27.94/19.28 [2019-03-28 11:56:47,882 INFO L276 PluginConnector]: BlockEncodingV2 initialized 27.94/19.28 [2019-03-28 11:56:47,883 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:56:47" (1/1) ... 27.94/19.28 [2019-03-28 11:56:47,898 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 27.94/19.28 [2019-03-28 11:56:47,899 INFO L258 BlockEncoder]: Using Remove infeasible edges 27.94/19.28 [2019-03-28 11:56:47,900 INFO L263 BlockEncoder]: Using Maximize final states 27.94/19.28 [2019-03-28 11:56:47,901 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 27.94/19.28 [2019-03-28 11:56:47,901 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 27.94/19.28 [2019-03-28 11:56:47,903 INFO L296 BlockEncoder]: Using Remove sink states 27.94/19.28 [2019-03-28 11:56:47,904 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 27.94/19.28 [2019-03-28 11:56:47,904 INFO L179 BlockEncoder]: Using Rewrite not-equals 27.94/19.28 [2019-03-28 11:56:47,919 INFO L185 BlockEncoder]: Using Use SBE 27.94/19.28 [2019-03-28 11:56:47,933 INFO L200 BlockEncoder]: SBE split 1 edges 27.94/19.28 [2019-03-28 11:56:47,938 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 27.94/19.28 [2019-03-28 11:56:47,940 INFO L71 MaximizeFinalStates]: 0 new accepting states 27.94/19.28 [2019-03-28 11:56:47,949 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 27.94/19.28 [2019-03-28 11:56:47,951 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 27.94/19.28 [2019-03-28 11:56:47,952 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 27.94/19.28 [2019-03-28 11:56:47,953 INFO L71 MaximizeFinalStates]: 0 new accepting states 27.94/19.28 [2019-03-28 11:56:47,956 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 27.94/19.28 [2019-03-28 11:56:47,956 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 27.94/19.28 [2019-03-28 11:56:47,956 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 27.94/19.28 [2019-03-28 11:56:47,957 INFO L71 MaximizeFinalStates]: 0 new accepting states 27.94/19.28 [2019-03-28 11:56:47,957 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 27.94/19.28 [2019-03-28 11:56:47,957 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 27.94/19.28 [2019-03-28 11:56:47,957 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 27.94/19.28 [2019-03-28 11:56:47,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:56:47 BasicIcfg 27.94/19.28 [2019-03-28 11:56:47,958 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 27.94/19.28 [2019-03-28 11:56:47,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 27.94/19.28 [2019-03-28 11:56:47,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... 27.94/19.28 [2019-03-28 11:56:47,962 INFO L276 PluginConnector]: TraceAbstraction initialized 27.94/19.28 [2019-03-28 11:56:47,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 11:56:47" (1/4) ... 27.94/19.28 [2019-03-28 11:56:47,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2342f5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:56:47, skipping insertion in model container 27.94/19.28 [2019-03-28 11:56:47,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (2/4) ... 27.94/19.28 [2019-03-28 11:56:47,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2342f5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 11:56:47, skipping insertion in model container 27.94/19.28 [2019-03-28 11:56:47,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:56:47" (3/4) ... 27.94/19.28 [2019-03-28 11:56:47,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2342f5fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:56:47, skipping insertion in model container 27.94/19.28 [2019-03-28 11:56:47,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:56:47" (4/4) ... 27.94/19.28 [2019-03-28 11:56:47,967 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 27.94/19.28 [2019-03-28 11:56:47,976 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 27.94/19.28 [2019-03-28 11:56:47,984 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 27.94/19.28 [2019-03-28 11:56:48,002 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 27.94/19.28 [2019-03-28 11:56:48,030 INFO L133 ementStrategyFactory]: Using default assertion order modulation 27.94/19.28 [2019-03-28 11:56:48,031 INFO L382 AbstractCegarLoop]: Interprodecural is true 27.94/19.28 [2019-03-28 11:56:48,031 INFO L383 AbstractCegarLoop]: Hoare is true 27.94/19.28 [2019-03-28 11:56:48,031 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 27.94/19.28 [2019-03-28 11:56:48,031 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 27.94/19.28 [2019-03-28 11:56:48,031 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 27.94/19.28 [2019-03-28 11:56:48,031 INFO L387 AbstractCegarLoop]: Difference is false 27.94/19.28 [2019-03-28 11:56:48,031 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 27.94/19.28 [2019-03-28 11:56:48,032 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 27.94/19.28 [2019-03-28 11:56:48,046 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 27.94/19.28 [2019-03-28 11:56:48,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 27.94/19.28 [2019-03-28 11:56:48,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 27.94/19.28 [2019-03-28 11:56:48,103 INFO L451 ceAbstractionStarter]: At program point L18-2(lines 17 25) the Hoare annotation is: true 27.94/19.29 [2019-03-28 11:56:48,103 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 27.94/19.29 [2019-03-28 11:56:48,103 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 24) no Hoare annotation was computed. 27.94/19.29 [2019-03-28 11:56:48,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:56:48 BasicIcfg 27.94/19.29 [2019-03-28 11:56:48,111 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 27.94/19.29 [2019-03-28 11:56:48,112 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 27.94/19.29 [2019-03-28 11:56:48,112 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 27.94/19.29 [2019-03-28 11:56:48,115 INFO L276 PluginConnector]: BuchiAutomizer initialized 27.94/19.29 [2019-03-28 11:56:48,116 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 27.94/19.29 [2019-03-28 11:56:48,116 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 11:56:47" (1/5) ... 27.94/19.29 [2019-03-28 11:56:48,117 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2990aaa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:56:48, skipping insertion in model container 27.94/19.29 [2019-03-28 11:56:48,117 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 27.94/19.29 [2019-03-28 11:56:48,117 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 11:56:47" (2/5) ... 27.94/19.29 [2019-03-28 11:56:48,117 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2990aaa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 11:56:48, skipping insertion in model container 27.94/19.29 [2019-03-28 11:56:48,117 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 27.94/19.29 [2019-03-28 11:56:48,118 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 11:56:47" (3/5) ... 27.94/19.29 [2019-03-28 11:56:48,118 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2990aaa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:56:48, skipping insertion in model container 27.94/19.29 [2019-03-28 11:56:48,118 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 27.94/19.29 [2019-03-28 11:56:48,118 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 11:56:47" (4/5) ... 27.94/19.29 [2019-03-28 11:56:48,119 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2990aaa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:56:48, skipping insertion in model container 27.94/19.29 [2019-03-28 11:56:48,119 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 27.94/19.29 [2019-03-28 11:56:48,119 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 11:56:48" (5/5) ... 27.94/19.29 [2019-03-28 11:56:48,120 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 27.94/19.29 [2019-03-28 11:56:48,149 INFO L133 ementStrategyFactory]: Using default assertion order modulation 27.94/19.29 [2019-03-28 11:56:48,149 INFO L374 BuchiCegarLoop]: Interprodecural is true 27.94/19.29 [2019-03-28 11:56:48,149 INFO L375 BuchiCegarLoop]: Hoare is true 27.94/19.29 [2019-03-28 11:56:48,149 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 27.94/19.29 [2019-03-28 11:56:48,150 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 27.94/19.29 [2019-03-28 11:56:48,150 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 27.94/19.29 [2019-03-28 11:56:48,150 INFO L379 BuchiCegarLoop]: Difference is false 27.94/19.29 [2019-03-28 11:56:48,151 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 27.94/19.29 [2019-03-28 11:56:48,151 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 27.94/19.29 [2019-03-28 11:56:48,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 27.94/19.29 [2019-03-28 11:56:48,172 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 27.94/19.29 [2019-03-28 11:56:48,172 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 27.94/19.29 [2019-03-28 11:56:48,172 INFO L119 BuchiIsEmpty]: Starting construction of run 27.94/19.29 [2019-03-28 11:56:48,179 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 27.94/19.29 [2019-03-28 11:56:48,179 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 27.94/19.29 [2019-03-28 11:56:48,179 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 27.94/19.29 [2019-03-28 11:56:48,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 27.94/19.29 [2019-03-28 11:56:48,180 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 27.94/19.29 [2019-03-28 11:56:48,180 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 27.94/19.29 [2019-03-28 11:56:48,180 INFO L119 BuchiIsEmpty]: Starting construction of run 27.94/19.29 [2019-03-28 11:56:48,181 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 27.94/19.29 [2019-03-28 11:56:48,181 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 27.94/19.29 [2019-03-28 11:56:48,186 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [48] ULTIMATE.startENTRY-->L18-2: Formula: (let ((.cse0 (* 2 v_ULTIMATE.start_main_~r~0_8))) (and (= .cse0 v_ULTIMATE.start_main_~db~0_7) (= .cse0 v_ULTIMATE.start_main_~da~0_11) (<= 0 v_ULTIMATE.start_main_~r~0_8))) InVars {} OutVars{ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_11, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~db~0=v_ULTIMATE.start_main_~db~0_7, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_5, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_4|, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~da~0, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~db~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~r~0] 4#L18-2true 27.94/19.29 [2019-03-28 11:56:48,186 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-2true [33] L18-2-->L18: Formula: (<= v_ULTIMATE.start_main_~r~0_7 v_ULTIMATE.start_main_~da~0_10) InVars {ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_10, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_7} OutVars{ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_10, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_7} AuxVars[] AssignedVars[] 5#L18true [36] L18-->L18-2: Formula: (and (= v_ULTIMATE.start_main_~db~0_4 v_ULTIMATE.start_main_~da~0_6) (= 0 |v_ULTIMATE.start_main_#t~nondet1_5|) (= v_ULTIMATE.start_main_~da~0_6 (+ v_ULTIMATE.start_main_~db~0_5 (- 1))) (= v_ULTIMATE.start_main_~temp~0_4 v_ULTIMATE.start_main_~da~0_7)) InVars {ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_7, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_5|, ULTIMATE.start_main_~db~0=v_ULTIMATE.start_main_~db~0_5} OutVars{ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_6, ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_4, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_4|, ULTIMATE.start_main_~db~0=v_ULTIMATE.start_main_~db~0_4} AuxVars[] AssignedVars[ULTIMATE.start_main_~da~0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~db~0, ULTIMATE.start_main_~temp~0] 4#L18-2true 27.94/19.29 [2019-03-28 11:56:48,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 27.94/19.29 [2019-03-28 11:56:48,192 INFO L82 PathProgramCache]: Analyzing trace with hash 79, now seen corresponding path program 1 times 27.94/19.29 [2019-03-28 11:56:48,194 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 27.94/19.29 [2019-03-28 11:56:48,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 27.94/19.29 [2019-03-28 11:56:48,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 27.94/19.29 [2019-03-28 11:56:48,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 27.94/19.29 [2019-03-28 11:56:48,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 27.94/19.29 [2019-03-28 11:56:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 27.94/19.29 [2019-03-28 11:56:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 27.94/19.29 [2019-03-28 11:56:48,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 27.94/19.29 [2019-03-28 11:56:48,265 INFO L82 PathProgramCache]: Analyzing trace with hash 2020, now seen corresponding path program 1 times 27.94/19.29 [2019-03-28 11:56:48,265 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 27.94/19.29 [2019-03-28 11:56:48,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 27.94/19.29 [2019-03-28 11:56:48,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 27.94/19.29 [2019-03-28 11:56:48,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 27.94/19.29 [2019-03-28 11:56:48,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 27.94/19.29 [2019-03-28 11:56:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 27.94/19.29 [2019-03-28 11:56:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 27.94/19.29 [2019-03-28 11:56:48,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 27.94/19.29 [2019-03-28 11:56:48,277 INFO L82 PathProgramCache]: Analyzing trace with hash 76978, now seen corresponding path program 1 times 27.94/19.29 [2019-03-28 11:56:48,277 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 27.94/19.29 [2019-03-28 11:56:48,277 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 27.94/19.29 [2019-03-28 11:56:48,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 27.94/19.29 [2019-03-28 11:56:48,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 27.94/19.29 [2019-03-28 11:56:48,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 27.94/19.29 [2019-03-28 11:56:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 27.94/19.29 [2019-03-28 11:56:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 27.94/19.29 [2019-03-28 11:56:48,343 INFO L216 LassoAnalysis]: Preferences: 27.94/19.29 [2019-03-28 11:56:48,344 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 27.94/19.29 [2019-03-28 11:56:48,345 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 27.94/19.29 [2019-03-28 11:56:48,345 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 27.94/19.29 [2019-03-28 11:56:48,345 INFO L127 ssoRankerPreferences]: Use exernal solver: true 27.94/19.29 [2019-03-28 11:56:48,345 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 27.94/19.29 [2019-03-28 11:56:48,345 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 27.94/19.29 [2019-03-28 11:56:48,345 INFO L130 ssoRankerPreferences]: Path of dumped script: 27.94/19.29 [2019-03-28 11:56:48,346 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 27.94/19.29 [2019-03-28 11:56:48,346 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 27.94/19.29 [2019-03-28 11:56:48,346 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 27.94/19.29 [2019-03-28 11:56:48,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 27.94/19.29 [2019-03-28 11:56:48,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 27.94/19.29 [2019-03-28 11:56:48,483 INFO L300 LassoAnalysis]: Preprocessing complete. 27.94/19.29 [2019-03-28 11:56:48,484 INFO L412 LassoAnalysis]: Checking for nontermination... 27.94/19.29 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 27.94/19.29 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 27.94/19.29 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 27.94/19.29 [2019-03-28 11:56:48,490 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 27.94/19.29 [2019-03-28 11:56:48,490 INFO L163 nArgumentSynthesizer]: Using integer mode. 27.94/19.29 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 27.94/19.29 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 27.94/19.29 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 27.94/19.29 [2019-03-28 11:56:48,529 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 27.94/19.29 [2019-03-28 11:56:48,529 INFO L163 nArgumentSynthesizer]: Using integer mode. 27.94/19.29 [2019-03-28 11:57:00,548 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. 27.94/19.29 [2019-03-28 11:57:00,552 INFO L216 LassoAnalysis]: Preferences: 27.94/19.29 [2019-03-28 11:57:00,552 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 27.94/19.29 [2019-03-28 11:57:00,552 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 27.94/19.29 [2019-03-28 11:57:00,553 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 27.94/19.29 [2019-03-28 11:57:00,553 INFO L127 ssoRankerPreferences]: Use exernal solver: false 27.94/19.29 [2019-03-28 11:57:00,553 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 27.94/19.29 [2019-03-28 11:57:00,553 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 27.94/19.29 [2019-03-28 11:57:00,553 INFO L130 ssoRankerPreferences]: Path of dumped script: 27.94/19.29 [2019-03-28 11:57:00,553 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 27.94/19.29 [2019-03-28 11:57:00,553 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 27.94/19.29 [2019-03-28 11:57:00,553 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 27.94/19.29 [2019-03-28 11:57:00,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 27.94/19.29 [2019-03-28 11:57:00,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 27.94/19.29 [2019-03-28 11:57:00,624 INFO L300 LassoAnalysis]: Preprocessing complete. 27.94/19.29 [2019-03-28 11:57:00,630 INFO L497 LassoAnalysis]: Using template 'affine'. 27.94/19.29 [2019-03-28 11:57:00,632 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 27.94/19.29 Termination analysis: LINEAR_WITH_GUESSES 27.94/19.29 Number of strict supporting invariants: 0 27.94/19.29 Number of non-strict supporting invariants: 1 27.94/19.29 Consider only non-deceasing supporting invariants: true 27.94/19.29 Simplify termination arguments: true 27.94/19.29 Simplify supporting invariants: trueOverapproximate stem: false 27.94/19.29 [2019-03-28 11:57:00,633 INFO L339 nArgumentSynthesizer]: Template has degree 0. 27.94/19.29 [2019-03-28 11:57:00,633 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 27.94/19.29 [2019-03-28 11:57:00,634 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 27.94/19.29 [2019-03-28 11:57:00,634 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 27.94/19.29 [2019-03-28 11:57:00,634 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 27.94/19.29 [2019-03-28 11:57:00,637 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 27.94/19.29 [2019-03-28 11:57:00,638 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 27.94/19.29 [2019-03-28 11:57:00,651 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 27.94/19.29 [2019-03-28 11:57:00,652 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 27.94/19.29 Termination analysis: LINEAR_WITH_GUESSES 27.94/19.29 Number of strict supporting invariants: 0 27.94/19.29 Number of non-strict supporting invariants: 1 27.94/19.29 Consider only non-deceasing supporting invariants: true 27.94/19.29 Simplify termination arguments: true 27.94/19.29 Simplify supporting invariants: trueOverapproximate stem: false 27.94/19.29 [2019-03-28 11:57:00,652 INFO L339 nArgumentSynthesizer]: Template has degree 0. 27.94/19.29 [2019-03-28 11:57:00,652 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 27.94/19.29 [2019-03-28 11:57:00,653 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 27.94/19.29 [2019-03-28 11:57:00,653 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 27.94/19.29 [2019-03-28 11:57:00,653 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 27.94/19.29 [2019-03-28 11:57:00,654 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 27.94/19.29 [2019-03-28 11:57:00,654 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 27.94/19.29 [2019-03-28 11:57:00,656 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 27.94/19.29 [2019-03-28 11:57:00,656 INFO L497 LassoAnalysis]: Using template '2-nested'. 27.94/19.29 [2019-03-28 11:57:00,656 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 27.94/19.29 Termination analysis: LINEAR_WITH_GUESSES 27.94/19.29 Number of strict supporting invariants: 0 27.94/19.29 Number of non-strict supporting invariants: 1 27.94/19.29 Consider only non-deceasing supporting invariants: true 27.94/19.29 Simplify termination arguments: true 27.94/19.29 Simplify supporting invariants: trueOverapproximate stem: false 27.94/19.29 [2019-03-28 11:57:00,657 INFO L339 nArgumentSynthesizer]: Template has degree 0. 27.94/19.29 [2019-03-28 11:57:00,657 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 27.94/19.29 [2019-03-28 11:57:00,657 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 27.94/19.29 [2019-03-28 11:57:00,657 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 27.94/19.29 [2019-03-28 11:57:00,658 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 27.94/19.29 [2019-03-28 11:57:00,659 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 27.94/19.29 [2019-03-28 11:57:00,660 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 27.94/19.29 [2019-03-28 11:57:00,679 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 27.94/19.29 [2019-03-28 11:57:00,703 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. 27.94/19.29 [2019-03-28 11:57:00,703 INFO L444 ModelExtractionUtils]: 4 out of 11 variables were initially zero. Simplification set additionally 1 variables to zero. 27.94/19.29 [2019-03-28 11:57:00,705 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 27.94/19.29 [2019-03-28 11:57:00,705 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 27.94/19.29 [2019-03-28 11:57:00,706 INFO L518 LassoAnalysis]: Proved termination. 27.94/19.29 [2019-03-28 11:57:00,706 INFO L520 LassoAnalysis]: Termination argument consisting of: 27.94/19.29 Ranking function 2-nested ranking function: 27.94/19.29 f0 = 2*ULTIMATE.start_main_~db~0 - 2*ULTIMATE.start_main_~r~0 27.94/19.29 f1 = 2*ULTIMATE.start_main_~da~0 - 2*ULTIMATE.start_main_~r~0 + 1 27.94/19.29 Supporting invariants [] 27.94/19.29 [2019-03-28 11:57:00,708 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 27.94/19.29 [2019-03-28 11:57:00,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 27.94/19.29 [2019-03-28 11:57:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 27.94/19.29 [2019-03-28 11:57:00,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core 27.94/19.29 [2019-03-28 11:57:00,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... 27.94/19.29 [2019-03-28 11:57:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 27.94/19.29 [2019-03-28 11:57:00,767 WARN L254 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core 27.94/19.29 [2019-03-28 11:57:00,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... 27.94/19.29 [2019-03-28 11:57:00,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 27.94/19.29 [2019-03-28 11:57:01,092 INFO L98 LoopCannibalizer]: 11 predicates before loop cannibalization 11 predicates after loop cannibalization 27.94/19.29 [2019-03-28 11:57:01,097 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 11 loop predicates 27.94/19.29 [2019-03-28 11:57:01,099 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 27.94/19.29 [2019-03-28 11:57:01,242 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 8 states and 14 transitions. Complement of second has 4 states. 27.94/19.29 [2019-03-28 11:57:01,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 27.94/19.29 [2019-03-28 11:57:01,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 27.94/19.29 [2019-03-28 11:57:01,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. 27.94/19.29 [2019-03-28 11:57:01,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. 27.94/19.29 [2019-03-28 11:57:01,248 INFO L116 BuchiAccepts]: Finished buchiAccepts. 27.94/19.29 [2019-03-28 11:57:01,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. 27.94/19.29 [2019-03-28 11:57:01,249 INFO L116 BuchiAccepts]: Finished buchiAccepts. 27.94/19.29 [2019-03-28 11:57:01,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. 27.94/19.29 [2019-03-28 11:57:01,249 INFO L116 BuchiAccepts]: Finished buchiAccepts. 27.94/19.29 [2019-03-28 11:57:01,256 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 14 transitions. 27.94/19.29 [2019-03-28 11:57:01,257 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 27.94/19.29 [2019-03-28 11:57:01,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 8 states and 14 transitions. 27.94/19.29 [2019-03-28 11:57:01,262 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 27.94/19.29 [2019-03-28 11:57:01,262 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 27.94/19.29 [2019-03-28 11:57:01,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 14 transitions. 27.94/19.29 [2019-03-28 11:57:01,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 27.94/19.29 [2019-03-28 11:57:01,263 INFO L706 BuchiCegarLoop]: Abstraction has 8 states and 14 transitions. 27.94/19.29 [2019-03-28 11:57:01,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 14 transitions. 27.94/19.29 [2019-03-28 11:57:01,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. 27.94/19.29 [2019-03-28 11:57:01,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 27.94/19.29 [2019-03-28 11:57:01,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 12 transitions. 27.94/19.29 [2019-03-28 11:57:01,295 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. 27.94/19.29 [2019-03-28 11:57:01,295 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 12 transitions. 27.94/19.29 [2019-03-28 11:57:01,296 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 27.94/19.29 [2019-03-28 11:57:01,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 12 transitions. 27.94/19.29 [2019-03-28 11:57:01,296 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 27.94/19.29 [2019-03-28 11:57:01,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 27.94/19.29 [2019-03-28 11:57:01,296 INFO L119 BuchiIsEmpty]: Starting construction of run 27.94/19.29 [2019-03-28 11:57:01,297 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 27.94/19.29 [2019-03-28 11:57:01,297 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 27.94/19.29 [2019-03-28 11:57:01,297 INFO L794 eck$LassoCheckResult]: Stem: 61#ULTIMATE.startENTRY [48] ULTIMATE.startENTRY-->L18-2: Formula: (let ((.cse0 (* 2 v_ULTIMATE.start_main_~r~0_8))) (and (= .cse0 v_ULTIMATE.start_main_~db~0_7) (= .cse0 v_ULTIMATE.start_main_~da~0_11) (<= 0 v_ULTIMATE.start_main_~r~0_8))) InVars {} OutVars{ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_11, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~db~0=v_ULTIMATE.start_main_~db~0_7, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~temp~0=v_ULTIMATE.start_main_~temp~0_5, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_4|, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~da~0, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~db~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~temp~0, ULTIMATE.start_main_#t~post2, ULTIMATE.start_main_~r~0] 62#L18-2 [33] L18-2-->L18: Formula: (<= v_ULTIMATE.start_main_~r~0_7 v_ULTIMATE.start_main_~da~0_10) InVars {ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_10, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_7} OutVars{ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_10, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_7} AuxVars[] AssignedVars[] 58#L18 27.94/19.29 [2019-03-28 11:57:01,298 INFO L796 eck$LassoCheckResult]: Loop: 58#L18 [44] L18-->L18-2: Formula: (and (= (+ v_ULTIMATE.start_main_~da~0_1 1) v_ULTIMATE.start_main_~da~0_2) (< 0 |v_ULTIMATE.start_main_#t~nondet1_2|)) InVars {ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_2, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_2|} OutVars{ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~post2=|v_ULTIMATE.start_main_#t~post2_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_~da~0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~post2] 57#L18-2 [33] L18-2-->L18: Formula: (<= v_ULTIMATE.start_main_~r~0_7 v_ULTIMATE.start_main_~da~0_10) InVars {ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_10, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_7} OutVars{ULTIMATE.start_main_~da~0=v_ULTIMATE.start_main_~da~0_10, ULTIMATE.start_main_~r~0=v_ULTIMATE.start_main_~r~0_7} AuxVars[] AssignedVars[] 58#L18 27.94/19.29 [2019-03-28 11:57:01,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 27.94/19.29 [2019-03-28 11:57:01,298 INFO L82 PathProgramCache]: Analyzing trace with hash 2482, now seen corresponding path program 1 times 27.94/19.29 [2019-03-28 11:57:01,298 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 27.94/19.29 [2019-03-28 11:57:01,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 27.94/19.29 [2019-03-28 11:57:01,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 27.94/19.29 [2019-03-28 11:57:01,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 27.94/19.29 [2019-03-28 11:57:01,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 27.94/19.29 [2019-03-28 11:57:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 27.94/19.29 [2019-03-28 11:57:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 27.94/19.29 [2019-03-28 11:57:01,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 27.94/19.29 [2019-03-28 11:57:01,307 INFO L82 PathProgramCache]: Analyzing trace with hash 2358, now seen corresponding path program 1 times 27.94/19.29 [2019-03-28 11:57:01,307 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 27.94/19.29 [2019-03-28 11:57:01,307 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 27.94/19.29 [2019-03-28 11:57:01,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 27.94/19.29 [2019-03-28 11:57:01,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 27.94/19.29 [2019-03-28 11:57:01,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 27.94/19.29 [2019-03-28 11:57:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 27.94/19.29 [2019-03-28 11:57:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 27.94/19.29 [2019-03-28 11:57:01,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 27.94/19.29 [2019-03-28 11:57:01,314 INFO L82 PathProgramCache]: Analyzing trace with hash 2386599, now seen corresponding path program 1 times 27.94/19.29 [2019-03-28 11:57:01,314 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 27.94/19.29 [2019-03-28 11:57:01,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 27.94/19.29 [2019-03-28 11:57:01,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 27.94/19.29 [2019-03-28 11:57:01,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 27.94/19.29 [2019-03-28 11:57:01,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 27.94/19.29 [2019-03-28 11:57:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 27.94/19.29 [2019-03-28 11:57:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 27.94/19.29 [2019-03-28 11:57:01,356 INFO L216 LassoAnalysis]: Preferences: 27.94/19.29 [2019-03-28 11:57:01,356 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 27.94/19.29 [2019-03-28 11:57:01,356 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 27.94/19.29 [2019-03-28 11:57:01,356 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 27.94/19.29 [2019-03-28 11:57:01,357 INFO L127 ssoRankerPreferences]: Use exernal solver: true 27.94/19.29 [2019-03-28 11:57:01,357 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 27.94/19.29 [2019-03-28 11:57:01,357 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 27.94/19.29 [2019-03-28 11:57:01,357 INFO L130 ssoRankerPreferences]: Path of dumped script: 27.94/19.29 [2019-03-28 11:57:01,357 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 27.94/19.29 [2019-03-28 11:57:01,357 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 27.94/19.29 [2019-03-28 11:57:01,357 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 27.94/19.29 [2019-03-28 11:57:01,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 27.94/19.29 [2019-03-28 11:57:01,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 27.94/19.29 [2019-03-28 11:57:01,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 27.94/19.29 [2019-03-28 11:57:01,407 INFO L300 LassoAnalysis]: Preprocessing complete. 27.94/19.29 [2019-03-28 11:57:01,407 INFO L412 LassoAnalysis]: Checking for nontermination... 27.94/19.29 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 27.94/19.29 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 27.94/19.29 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 27.94/19.29 [2019-03-28 11:57:01,413 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 27.94/19.29 [2019-03-28 11:57:01,414 INFO L163 nArgumentSynthesizer]: Using integer mode. 27.94/19.29 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 27.94/19.29 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 27.94/19.29 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 27.94/19.29 [2019-03-28 11:57:01,448 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 27.94/19.29 [2019-03-28 11:57:01,448 INFO L163 nArgumentSynthesizer]: Using integer mode. 27.94/19.29 [2019-03-28 11:57:01,949 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 27.94/19.29 [2019-03-28 11:57:01,952 INFO L216 LassoAnalysis]: Preferences: 27.94/19.29 [2019-03-28 11:57:01,952 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 27.94/19.29 [2019-03-28 11:57:01,952 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 27.94/19.29 [2019-03-28 11:57:01,952 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 27.94/19.29 [2019-03-28 11:57:01,953 INFO L127 ssoRankerPreferences]: Use exernal solver: false 27.94/19.29 [2019-03-28 11:57:01,953 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 27.94/19.29 [2019-03-28 11:57:01,953 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 27.94/19.29 [2019-03-28 11:57:01,953 INFO L130 ssoRankerPreferences]: Path of dumped script: 27.94/19.29 [2019-03-28 11:57:01,954 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 27.94/19.29 [2019-03-28 11:57:01,954 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 27.94/19.29 [2019-03-28 11:57:01,954 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 27.94/19.29 [2019-03-28 11:57:01,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 27.94/19.29 [2019-03-28 11:57:01,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 27.94/19.29 [2019-03-28 11:57:01,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 27.94/19.29 [2019-03-28 11:57:01,991 INFO L300 LassoAnalysis]: Preprocessing complete. 27.94/19.29 [2019-03-28 11:57:01,991 INFO L497 LassoAnalysis]: Using template 'affine'. 27.94/19.29 [2019-03-28 11:57:01,992 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 27.94/19.29 Termination analysis: LINEAR_WITH_GUESSES 27.94/19.29 Number of strict supporting invariants: 0 27.94/19.29 Number of non-strict supporting invariants: 1 27.94/19.29 Consider only non-deceasing supporting invariants: true 27.94/19.29 Simplify termination arguments: true 27.94/19.29 Simplify supporting invariants: trueOverapproximate stem: false 27.94/19.29 [2019-03-28 11:57:01,993 INFO L339 nArgumentSynthesizer]: Template has degree 0. 27.94/19.29 [2019-03-28 11:57:01,993 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 27.94/19.29 [2019-03-28 11:57:01,993 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 27.94/19.29 [2019-03-28 11:57:01,993 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 27.94/19.29 [2019-03-28 11:57:01,993 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 27.94/19.29 [2019-03-28 11:57:01,994 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 27.94/19.29 [2019-03-28 11:57:01,994 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 27.94/19.29 [2019-03-28 11:57:01,998 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 27.94/19.29 [2019-03-28 11:57:02,002 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 27.94/19.29 [2019-03-28 11:57:02,002 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 27.94/19.29 [2019-03-28 11:57:02,003 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 27.94/19.29 [2019-03-28 11:57:02,003 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 27.94/19.29 [2019-03-28 11:57:02,003 INFO L518 LassoAnalysis]: Proved termination. 27.94/19.29 [2019-03-28 11:57:02,003 INFO L520 LassoAnalysis]: Termination argument consisting of: 27.94/19.29 Ranking function f(ULTIMATE.start_main_~r~0, ULTIMATE.start_main_~da~0) = -1*ULTIMATE.start_main_~r~0 + 1*ULTIMATE.start_main_~da~0 27.94/19.29 Supporting invariants [] 27.94/19.29 [2019-03-28 11:57:02,004 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 27.94/19.29 [2019-03-28 11:57:02,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 27.94/19.29 [2019-03-28 11:57:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 27.94/19.29 [2019-03-28 11:57:02,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 27.94/19.29 [2019-03-28 11:57:02,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... 27.94/19.29 [2019-03-28 11:57:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 27.94/19.29 [2019-03-28 11:57:02,027 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 27.94/19.29 [2019-03-28 11:57:02,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... 27.94/19.29 [2019-03-28 11:57:02,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 27.94/19.29 [2019-03-28 11:57:02,038 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 27.94/19.29 [2019-03-28 11:57:02,038 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 27.94/19.29 [2019-03-28 11:57:02,038 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7 Second operand 3 states. 27.94/19.29 [2019-03-28 11:57:02,062 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 12 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 10 states and 20 transitions. Complement of second has 4 states. 27.94/19.29 [2019-03-28 11:57:02,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 27.94/19.29 [2019-03-28 11:57:02,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 27.94/19.29 [2019-03-28 11:57:02,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 27.94/19.29 [2019-03-28 11:57:02,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 2 letters. Loop has 2 letters. 27.94/19.29 [2019-03-28 11:57:02,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. 27.94/19.29 [2019-03-28 11:57:02,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 4 letters. Loop has 2 letters. 27.94/19.29 [2019-03-28 11:57:02,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. 27.94/19.29 [2019-03-28 11:57:02,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 2 letters. Loop has 4 letters. 27.94/19.29 [2019-03-28 11:57:02,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. 27.94/19.29 [2019-03-28 11:57:02,067 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 20 transitions. 27.94/19.29 [2019-03-28 11:57:02,068 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 27.94/19.29 [2019-03-28 11:57:02,068 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. 27.94/19.29 [2019-03-28 11:57:02,068 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 27.94/19.29 [2019-03-28 11:57:02,068 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 27.94/19.29 [2019-03-28 11:57:02,068 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 27.94/19.29 [2019-03-28 11:57:02,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 27.94/19.29 [2019-03-28 11:57:02,069 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 27.94/19.29 [2019-03-28 11:57:02,069 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 27.94/19.29 [2019-03-28 11:57:02,069 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 27.94/19.29 [2019-03-28 11:57:02,069 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 27.94/19.29 [2019-03-28 11:57:02,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 27.94/19.29 [2019-03-28 11:57:02,069 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 27.94/19.29 [2019-03-28 11:57:02,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 27.94/19.29 [2019-03-28 11:57:02,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 11:57:02 BasicIcfg 27.94/19.29 [2019-03-28 11:57:02,076 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 27.94/19.29 [2019-03-28 11:57:02,076 INFO L168 Benchmark]: Toolchain (without parser) took 14775.60 ms. Allocated memory was 649.6 MB in the beginning and 674.2 MB in the end (delta: 24.6 MB). Free memory was 558.1 MB in the beginning and 449.0 MB in the end (delta: 109.1 MB). Peak memory consumption was 133.7 MB. Max. memory is 50.3 GB. 27.94/19.29 [2019-03-28 11:57:02,078 INFO L168 Benchmark]: CDTParser took 0.16 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. 27.94/19.29 [2019-03-28 11:57:02,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.40 ms. Allocated memory was 649.6 MB in the beginning and 674.2 MB in the end (delta: 24.6 MB). Free memory was 558.1 MB in the beginning and 642.1 MB in the end (delta: -84.0 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 27.94/19.29 [2019-03-28 11:57:02,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.81 ms. Allocated memory is still 674.2 MB. Free memory was 642.1 MB in the beginning and 641.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 27.94/19.29 [2019-03-28 11:57:02,080 INFO L168 Benchmark]: Boogie Preprocessor took 20.18 ms. Allocated memory is still 674.2 MB. Free memory was 641.0 MB in the beginning and 638.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 27.94/19.29 [2019-03-28 11:57:02,081 INFO L168 Benchmark]: RCFGBuilder took 230.68 ms. Allocated memory is still 674.2 MB. Free memory was 638.2 MB in the beginning and 624.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 50.3 GB. 27.94/19.29 [2019-03-28 11:57:02,081 INFO L168 Benchmark]: BlockEncodingV2 took 78.19 ms. Allocated memory is still 674.2 MB. Free memory was 624.6 MB in the beginning and 618.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 27.94/19.29 [2019-03-28 11:57:02,082 INFO L168 Benchmark]: TraceAbstraction took 152.07 ms. Allocated memory is still 674.2 MB. Free memory was 617.0 MB in the beginning and 608.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. 27.94/19.29 [2019-03-28 11:57:02,082 INFO L168 Benchmark]: BuchiAutomizer took 13964.04 ms. Allocated memory is still 674.2 MB. Free memory was 608.2 MB in the beginning and 449.0 MB in the end (delta: 159.2 MB). Peak memory consumption was 159.2 MB. Max. memory is 50.3 GB. 27.94/19.29 [2019-03-28 11:57:02,087 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 27.94/19.29 --- Results --- 27.94/19.29 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 27.94/19.29 - StatisticsResult: Initial Icfg 27.94/19.29 8 locations, 11 edges 27.94/19.29 - StatisticsResult: Encoded RCFG 27.94/19.29 3 locations, 5 edges 27.94/19.29 * Results from de.uni_freiburg.informatik.ultimate.core: 27.94/19.29 - StatisticsResult: Toolchain Benchmarks 27.94/19.29 Benchmark results are: 27.94/19.29 * CDTParser took 0.16 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. 27.94/19.29 * CACSL2BoogieTranslator took 288.40 ms. Allocated memory was 649.6 MB in the beginning and 674.2 MB in the end (delta: 24.6 MB). Free memory was 558.1 MB in the beginning and 642.1 MB in the end (delta: -84.0 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 27.94/19.29 * Boogie Procedure Inliner took 36.81 ms. Allocated memory is still 674.2 MB. Free memory was 642.1 MB in the beginning and 641.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 50.3 GB. 27.94/19.29 * Boogie Preprocessor took 20.18 ms. Allocated memory is still 674.2 MB. Free memory was 641.0 MB in the beginning and 638.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 27.94/19.29 * RCFGBuilder took 230.68 ms. Allocated memory is still 674.2 MB. Free memory was 638.2 MB in the beginning and 624.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 50.3 GB. 27.94/19.29 * BlockEncodingV2 took 78.19 ms. Allocated memory is still 674.2 MB. Free memory was 624.6 MB in the beginning and 618.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 27.94/19.29 * TraceAbstraction took 152.07 ms. Allocated memory is still 674.2 MB. Free memory was 617.0 MB in the beginning and 608.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 50.3 GB. 27.94/19.29 * BuchiAutomizer took 13964.04 ms. Allocated memory is still 674.2 MB. Free memory was 608.2 MB in the beginning and 449.0 MB in the end (delta: 159.2 MB). Peak memory consumption was 159.2 MB. Max. memory is 50.3 GB. 27.94/19.29 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 27.94/19.29 - AllSpecificationsHoldResult: All specifications hold 27.94/19.29 We were not able to verify any specifiation because the program does not contain any specification. 27.94/19.29 - InvariantResult [Line: 17]: Loop Invariant 27.94/19.29 Derived loop invariant: 1 27.94/19.29 - StatisticsResult: Ultimate Automizer benchmark data 27.94/19.29 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 27.94/19.29 - StatisticsResult: Constructed decomposition of program 27.94/19.29 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has 2-nested ranking function (if 2 * db + -2 * r > 0 then 1 else 0), (if 2 * db + -2 * r > 0 then 2 * db + -2 * r else 2 * da + -2 * r + 1) and consists of 3 locations. One nondeterministic module has affine ranking function -1 * r + da and consists of 3 locations. 27.94/19.29 - StatisticsResult: Timing statistics 27.94/19.29 BüchiAutomizer plugin needed 13.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 13.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 13 SDslu, 0 SDs, 0 SdLazy, 22 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf100 lsp80 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq173 hnf91 smp100 dnf100 smp100 tf110 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 49ms VariablesStem: 0 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 3 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 12.6s 27.94/19.29 - TerminationAnalysisResult: Termination proven 27.94/19.29 Buchi Automizer proved that your program is terminating 27.94/19.29 RESULT: Ultimate proved your program to be correct! 27.94/19.29 !SESSION 2019-03-28 11:56:43.957 ----------------------------------------------- 27.94/19.29 eclipse.buildId=unknown 27.94/19.29 java.version=1.8.0_181 27.94/19.29 java.vendor=Oracle Corporation 27.94/19.29 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 27.94/19.29 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 27.94/19.29 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 27.94/19.29 27.94/19.29 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 11:57:02.322 27.94/19.29 !MESSAGE The workspace will exit with unsaved changes in this session. 27.94/19.29 Received shutdown request... 27.94/19.29 Ultimate: 27.94/19.29 GTK+ Version Check 27.94/19.29 EOF