12.40/5.93 YES 12.40/5.93 12.40/5.93 Ultimate: Cannot open display: 12.40/5.93 This is Ultimate 0.1.24-8dc7c08-m 12.40/5.93 [2019-03-28 12:17:31,492 INFO L170 SettingsManager]: Resetting all preferences to default values... 12.40/5.93 [2019-03-28 12:17:31,495 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 12.40/5.93 [2019-03-28 12:17:31,507 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 12.40/5.93 [2019-03-28 12:17:31,507 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 12.40/5.93 [2019-03-28 12:17:31,508 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 12.40/5.93 [2019-03-28 12:17:31,509 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 12.40/5.93 [2019-03-28 12:17:31,511 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 12.40/5.93 [2019-03-28 12:17:31,512 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 12.40/5.93 [2019-03-28 12:17:31,513 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 12.40/5.93 [2019-03-28 12:17:31,514 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 12.40/5.93 [2019-03-28 12:17:31,514 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 12.40/5.93 [2019-03-28 12:17:31,515 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 12.40/5.93 [2019-03-28 12:17:31,516 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 12.40/5.93 [2019-03-28 12:17:31,517 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 12.40/5.93 [2019-03-28 12:17:31,517 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 12.40/5.93 [2019-03-28 12:17:31,518 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 12.40/5.93 [2019-03-28 12:17:31,520 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 12.40/5.94 [2019-03-28 12:17:31,522 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 12.40/5.94 [2019-03-28 12:17:31,523 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 12.40/5.94 [2019-03-28 12:17:31,524 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 12.40/5.94 [2019-03-28 12:17:31,525 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 12.40/5.94 [2019-03-28 12:17:31,527 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 12.40/5.94 [2019-03-28 12:17:31,527 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 12.40/5.94 [2019-03-28 12:17:31,528 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 12.40/5.94 [2019-03-28 12:17:31,528 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 12.40/5.94 [2019-03-28 12:17:31,529 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 12.40/5.94 [2019-03-28 12:17:31,530 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 12.40/5.94 [2019-03-28 12:17:31,530 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 12.40/5.94 [2019-03-28 12:17:31,531 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 12.40/5.94 [2019-03-28 12:17:31,531 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 12.40/5.94 [2019-03-28 12:17:31,532 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 12.40/5.94 [2019-03-28 12:17:31,533 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 12.40/5.94 [2019-03-28 12:17:31,533 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 12.40/5.94 [2019-03-28 12:17:31,534 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 12.40/5.94 [2019-03-28 12:17:31,534 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 12.40/5.94 [2019-03-28 12:17:31,534 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 12.40/5.94 [2019-03-28 12:17:31,535 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 12.40/5.94 [2019-03-28 12:17:31,536 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 12.40/5.94 [2019-03-28 12:17:31,536 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 12.40/5.94 [2019-03-28 12:17:31,551 INFO L110 SettingsManager]: Loading preferences was successful 12.40/5.94 [2019-03-28 12:17:31,551 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 12.40/5.94 [2019-03-28 12:17:31,552 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 12.40/5.94 [2019-03-28 12:17:31,552 INFO L133 SettingsManager]: * Rewrite not-equals=true 12.40/5.94 [2019-03-28 12:17:31,552 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 12.40/5.94 [2019-03-28 12:17:31,553 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 12.40/5.94 [2019-03-28 12:17:31,553 INFO L133 SettingsManager]: * Use SBE=true 12.40/5.94 [2019-03-28 12:17:31,553 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 12.40/5.94 [2019-03-28 12:17:31,553 INFO L133 SettingsManager]: * Use old map elimination=false 12.40/5.94 [2019-03-28 12:17:31,553 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 12.40/5.94 [2019-03-28 12:17:31,553 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 12.40/5.94 [2019-03-28 12:17:31,554 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 12.40/5.94 [2019-03-28 12:17:31,554 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 12.40/5.94 [2019-03-28 12:17:31,554 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 12.40/5.94 [2019-03-28 12:17:31,554 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.40/5.94 [2019-03-28 12:17:31,554 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 12.40/5.94 [2019-03-28 12:17:31,554 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 12.40/5.94 [2019-03-28 12:17:31,555 INFO L133 SettingsManager]: * Check division by zero=IGNORE 12.40/5.94 [2019-03-28 12:17:31,555 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 12.40/5.94 [2019-03-28 12:17:31,555 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 12.40/5.94 [2019-03-28 12:17:31,555 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 12.40/5.94 [2019-03-28 12:17:31,555 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 12.40/5.94 [2019-03-28 12:17:31,555 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 12.40/5.94 [2019-03-28 12:17:31,556 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 12.40/5.94 [2019-03-28 12:17:31,556 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.40/5.94 [2019-03-28 12:17:31,556 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 12.40/5.94 [2019-03-28 12:17:31,556 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 12.40/5.94 [2019-03-28 12:17:31,556 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 12.40/5.94 [2019-03-28 12:17:31,557 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 12.40/5.94 [2019-03-28 12:17:31,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 12.40/5.94 [2019-03-28 12:17:31,596 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 12.40/5.94 [2019-03-28 12:17:31,600 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 12.40/5.94 [2019-03-28 12:17:31,601 INFO L271 PluginConnector]: Initializing CDTParser... 12.40/5.94 [2019-03-28 12:17:31,602 INFO L276 PluginConnector]: CDTParser initialized 12.40/5.94 [2019-03-28 12:17:31,602 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 12.40/5.94 [2019-03-28 12:17:31,675 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/2a9ff1a9ba724da5855e421cf5c08c24/FLAG7c26ab073 12.40/5.94 [2019-03-28 12:17:32,006 INFO L307 CDTParser]: Found 1 translation units. 12.40/5.94 [2019-03-28 12:17:32,006 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 12.40/5.94 [2019-03-28 12:17:32,013 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/2a9ff1a9ba724da5855e421cf5c08c24/FLAG7c26ab073 12.40/5.94 [2019-03-28 12:17:32,422 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/2a9ff1a9ba724da5855e421cf5c08c24 12.40/5.94 [2019-03-28 12:17:32,433 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 12.40/5.94 [2019-03-28 12:17:32,435 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 12.40/5.94 [2019-03-28 12:17:32,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 12.40/5.94 [2019-03-28 12:17:32,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 12.40/5.94 [2019-03-28 12:17:32,439 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 12.40/5.94 [2019-03-28 12:17:32,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:17:32" (1/1) ... 12.40/5.94 [2019-03-28 12:17:32,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d4582d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:17:32, skipping insertion in model container 12.40/5.94 [2019-03-28 12:17:32,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:17:32" (1/1) ... 12.40/5.94 [2019-03-28 12:17:32,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 12.40/5.94 [2019-03-28 12:17:32,468 INFO L176 MainTranslator]: Built tables and reachable declarations 12.40/5.94 [2019-03-28 12:17:32,621 INFO L206 PostProcessor]: Analyzing one entry point: main 12.40/5.94 [2019-03-28 12:17:32,626 INFO L191 MainTranslator]: Completed pre-run 12.40/5.94 [2019-03-28 12:17:32,640 INFO L206 PostProcessor]: Analyzing one entry point: main 12.40/5.94 [2019-03-28 12:17:32,654 INFO L195 MainTranslator]: Completed translation 12.40/5.94 [2019-03-28 12:17:32,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:17:32 WrapperNode 12.40/5.94 [2019-03-28 12:17:32,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 12.40/5.94 [2019-03-28 12:17:32,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 12.40/5.94 [2019-03-28 12:17:32,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 12.40/5.94 [2019-03-28 12:17:32,658 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 12.40/5.94 [2019-03-28 12:17:32,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:17:32" (1/1) ... 12.40/5.94 [2019-03-28 12:17:32,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:17:32" (1/1) ... 12.40/5.94 [2019-03-28 12:17:32,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 12.40/5.94 [2019-03-28 12:17:32,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 12.40/5.94 [2019-03-28 12:17:32,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 12.40/5.94 [2019-03-28 12:17:32,747 INFO L276 PluginConnector]: Boogie Preprocessor initialized 12.40/5.94 [2019-03-28 12:17:32,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:17:32" (1/1) ... 12.40/5.94 [2019-03-28 12:17:32,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:17:32" (1/1) ... 12.40/5.94 [2019-03-28 12:17:32,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:17:32" (1/1) ... 12.40/5.94 [2019-03-28 12:17:32,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:17:32" (1/1) ... 12.40/5.94 [2019-03-28 12:17:32,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:17:32" (1/1) ... 12.40/5.94 [2019-03-28 12:17:32,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:17:32" (1/1) ... 12.40/5.94 [2019-03-28 12:17:32,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:17:32" (1/1) ... 12.40/5.94 [2019-03-28 12:17:32,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 12.40/5.94 [2019-03-28 12:17:32,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 12.40/5.94 [2019-03-28 12:17:32,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... 12.40/5.94 [2019-03-28 12:17:32,766 INFO L276 PluginConnector]: RCFGBuilder initialized 12.40/5.94 [2019-03-28 12:17:32,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:17:32" (1/1) ... 12.40/5.94 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.40/5.94 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 12.40/5.94 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 12.40/5.94 [2019-03-28 12:17:32,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 12.40/5.94 [2019-03-28 12:17:32,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 12.40/5.94 [2019-03-28 12:17:32,953 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 12.40/5.94 [2019-03-28 12:17:32,953 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 12.40/5.94 [2019-03-28 12:17:32,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:17:32 BoogieIcfgContainer 12.40/5.94 [2019-03-28 12:17:32,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 12.40/5.94 [2019-03-28 12:17:32,955 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 12.40/5.94 [2019-03-28 12:17:32,955 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 12.40/5.94 [2019-03-28 12:17:32,958 INFO L276 PluginConnector]: BlockEncodingV2 initialized 12.40/5.94 [2019-03-28 12:17:32,958 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:17:32" (1/1) ... 12.40/5.94 [2019-03-28 12:17:32,972 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 10 edges 12.40/5.94 [2019-03-28 12:17:32,973 INFO L258 BlockEncoder]: Using Remove infeasible edges 12.40/5.94 [2019-03-28 12:17:32,974 INFO L263 BlockEncoder]: Using Maximize final states 12.40/5.94 [2019-03-28 12:17:32,975 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 12.40/5.94 [2019-03-28 12:17:32,975 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 12.40/5.94 [2019-03-28 12:17:32,977 INFO L296 BlockEncoder]: Using Remove sink states 12.40/5.94 [2019-03-28 12:17:32,978 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 12.40/5.94 [2019-03-28 12:17:32,978 INFO L179 BlockEncoder]: Using Rewrite not-equals 12.40/5.94 [2019-03-28 12:17:32,992 INFO L185 BlockEncoder]: Using Use SBE 12.40/5.94 [2019-03-28 12:17:32,999 INFO L200 BlockEncoder]: SBE split 0 edges 12.40/5.94 [2019-03-28 12:17:33,004 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 12.40/5.94 [2019-03-28 12:17:33,006 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.40/5.94 [2019-03-28 12:17:33,017 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 12.40/5.94 [2019-03-28 12:17:33,019 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 12.40/5.94 [2019-03-28 12:17:33,020 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 12.40/5.94 [2019-03-28 12:17:33,021 INFO L71 MaximizeFinalStates]: 0 new accepting states 12.40/5.94 [2019-03-28 12:17:33,021 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 12.40/5.94 [2019-03-28 12:17:33,021 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 12.40/5.94 [2019-03-28 12:17:33,021 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 5 edges 12.40/5.94 [2019-03-28 12:17:33,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:17:33 BasicIcfg 12.40/5.94 [2019-03-28 12:17:33,022 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 12.40/5.94 [2019-03-28 12:17:33,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 12.40/5.94 [2019-03-28 12:17:33,023 INFO L271 PluginConnector]: Initializing TraceAbstraction... 12.40/5.94 [2019-03-28 12:17:33,026 INFO L276 PluginConnector]: TraceAbstraction initialized 12.40/5.94 [2019-03-28 12:17:33,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:17:32" (1/4) ... 12.40/5.94 [2019-03-28 12:17:33,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17671ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:17:33, skipping insertion in model container 12.40/5.94 [2019-03-28 12:17:33,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:17:32" (2/4) ... 12.40/5.94 [2019-03-28 12:17:33,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17671ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:17:33, skipping insertion in model container 12.40/5.94 [2019-03-28 12:17:33,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:17:32" (3/4) ... 12.40/5.94 [2019-03-28 12:17:33,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17671ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:17:33, skipping insertion in model container 12.40/5.94 [2019-03-28 12:17:33,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:17:33" (4/4) ... 12.40/5.94 [2019-03-28 12:17:33,030 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.40/5.94 [2019-03-28 12:17:33,041 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 12.40/5.94 [2019-03-28 12:17:33,048 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 12.40/5.94 [2019-03-28 12:17:33,065 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 12.40/5.94 [2019-03-28 12:17:33,095 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.40/5.94 [2019-03-28 12:17:33,096 INFO L382 AbstractCegarLoop]: Interprodecural is true 12.40/5.94 [2019-03-28 12:17:33,096 INFO L383 AbstractCegarLoop]: Hoare is true 12.40/5.94 [2019-03-28 12:17:33,096 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 12.40/5.94 [2019-03-28 12:17:33,096 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 12.40/5.94 [2019-03-28 12:17:33,096 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.40/5.94 [2019-03-28 12:17:33,096 INFO L387 AbstractCegarLoop]: Difference is false 12.40/5.94 [2019-03-28 12:17:33,097 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 12.40/5.94 [2019-03-28 12:17:33,097 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 12.40/5.94 [2019-03-28 12:17:33,111 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 12.40/5.94 [2019-03-28 12:17:33,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 12.40/5.94 [2019-03-28 12:17:33,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 12.40/5.94 [2019-03-28 12:17:33,171 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 12.40/5.94 [2019-03-28 12:17:33,171 INFO L448 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. 12.40/5.94 [2019-03-28 12:17:33,171 INFO L451 ceAbstractionStarter]: At program point L6-1(lines 4 8) the Hoare annotation is: true 12.40/5.94 [2019-03-28 12:17:33,172 INFO L451 ceAbstractionStarter]: At program point L4-2(lines 4 8) the Hoare annotation is: true 12.40/5.94 [2019-03-28 12:17:33,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:17:33 BasicIcfg 12.40/5.94 [2019-03-28 12:17:33,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 12.40/5.94 [2019-03-28 12:17:33,181 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 12.40/5.94 [2019-03-28 12:17:33,181 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 12.40/5.94 [2019-03-28 12:17:33,184 INFO L276 PluginConnector]: BuchiAutomizer initialized 12.40/5.94 [2019-03-28 12:17:33,185 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.40/5.94 [2019-03-28 12:17:33,185 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:17:32" (1/5) ... 12.40/5.94 [2019-03-28 12:17:33,186 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a7d87c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:17:33, skipping insertion in model container 12.40/5.94 [2019-03-28 12:17:33,186 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.40/5.94 [2019-03-28 12:17:33,186 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:17:32" (2/5) ... 12.40/5.94 [2019-03-28 12:17:33,187 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a7d87c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:17:33, skipping insertion in model container 12.40/5.94 [2019-03-28 12:17:33,187 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.40/5.94 [2019-03-28 12:17:33,187 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:17:32" (3/5) ... 12.40/5.94 [2019-03-28 12:17:33,188 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a7d87c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:17:33, skipping insertion in model container 12.40/5.94 [2019-03-28 12:17:33,188 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.40/5.94 [2019-03-28 12:17:33,188 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:17:33" (4/5) ... 12.40/5.94 [2019-03-28 12:17:33,188 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a7d87c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:17:33, skipping insertion in model container 12.40/5.94 [2019-03-28 12:17:33,188 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 12.40/5.94 [2019-03-28 12:17:33,189 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:17:33" (5/5) ... 12.40/5.94 [2019-03-28 12:17:33,190 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 12.40/5.94 [2019-03-28 12:17:33,219 INFO L133 ementStrategyFactory]: Using default assertion order modulation 12.40/5.94 [2019-03-28 12:17:33,219 INFO L374 BuchiCegarLoop]: Interprodecural is true 12.40/5.94 [2019-03-28 12:17:33,219 INFO L375 BuchiCegarLoop]: Hoare is true 12.40/5.94 [2019-03-28 12:17:33,219 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 12.40/5.94 [2019-03-28 12:17:33,220 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 12.40/5.94 [2019-03-28 12:17:33,220 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 12.40/5.94 [2019-03-28 12:17:33,220 INFO L379 BuchiCegarLoop]: Difference is false 12.40/5.94 [2019-03-28 12:17:33,220 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 12.40/5.94 [2019-03-28 12:17:33,220 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 12.40/5.94 [2019-03-28 12:17:33,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 12.40/5.94 [2019-03-28 12:17:33,242 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 12.40/5.94 [2019-03-28 12:17:33,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.40/5.94 [2019-03-28 12:17:33,243 INFO L119 BuchiIsEmpty]: Starting construction of run 12.40/5.94 [2019-03-28 12:17:33,248 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.40/5.94 [2019-03-28 12:17:33,249 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 12.40/5.94 [2019-03-28 12:17:33,249 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 12.40/5.94 [2019-03-28 12:17:33,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 12.40/5.94 [2019-03-28 12:17:33,249 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 12.40/5.94 [2019-03-28 12:17:33,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 12.40/5.94 [2019-03-28 12:17:33,250 INFO L119 BuchiIsEmpty]: Starting construction of run 12.40/5.94 [2019-03-28 12:17:33,250 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 12.40/5.94 [2019-03-28 12:17:33,250 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 12.40/5.94 [2019-03-28 12:17:33,255 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [25] ULTIMATE.startENTRY-->L4-2: Formula: (and (= v_ULTIMATE.start_main_~i~0_1 0) (= v_ULTIMATE.start_main_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_#t~post1=|v_ULTIMATE.start_main_#t~post1_1|, ULTIMATE.start_main_#t~post0=|v_ULTIMATE.start_main_#t~post0_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_#t~post1, ULTIMATE.start_main_#t~post0] 6#L4-2true 12.40/5.94 [2019-03-28 12:17:33,256 INFO L796 eck$LassoCheckResult]: Loop: 6#L4-2true [29] L4-2-->L6-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 3#L6-1true [24] L6-1-->L6: Formula: (and (= (+ v_ULTIMATE.start_main_~i~0_6 1) v_ULTIMATE.start_main_~i~0_5) (< v_ULTIMATE.start_main_~i~0_6 20)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_5, ULTIMATE.start_main_#t~post0=|v_ULTIMATE.start_main_#t~post0_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0, ULTIMATE.start_main_#t~post0] 5#L6true [34] L6-->L4-2: Formula: (and (> v_ULTIMATE.start_main_~i~0_8 10) (= v_ULTIMATE.start_main_~c~0_5 (+ v_ULTIMATE.start_main_~c~0_6 1))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_5, ULTIMATE.start_main_#t~post1=|v_ULTIMATE.start_main_#t~post1_2|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_#t~post1] 6#L4-2true 12.40/5.94 [2019-03-28 12:17:33,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.40/5.94 [2019-03-28 12:17:33,262 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times 12.40/5.94 [2019-03-28 12:17:33,264 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.40/5.94 [2019-03-28 12:17:33,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.40/5.94 [2019-03-28 12:17:33,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.40/5.94 [2019-03-28 12:17:33,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.40/5.94 [2019-03-28 12:17:33,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.40/5.94 [2019-03-28 12:17:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.40/5.94 [2019-03-28 12:17:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.40/5.94 [2019-03-28 12:17:33,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.40/5.94 [2019-03-28 12:17:33,331 INFO L82 PathProgramCache]: Analyzing trace with hash 58438, now seen corresponding path program 1 times 12.40/5.94 [2019-03-28 12:17:33,331 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.40/5.94 [2019-03-28 12:17:33,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.40/5.94 [2019-03-28 12:17:33,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.40/5.94 [2019-03-28 12:17:33,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.40/5.94 [2019-03-28 12:17:33,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.40/5.94 [2019-03-28 12:17:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.40/5.94 [2019-03-28 12:17:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 12.40/5.94 [2019-03-28 12:17:33,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.40/5.94 [2019-03-28 12:17:33,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1696943, now seen corresponding path program 1 times 12.40/5.94 [2019-03-28 12:17:33,348 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 12.40/5.94 [2019-03-28 12:17:33,348 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 12.40/5.94 [2019-03-28 12:17:33,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.40/5.94 [2019-03-28 12:17:33,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 12.40/5.94 [2019-03-28 12:17:33,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 12.40/5.94 [2019-03-28 12:17:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.40/5.94 [2019-03-28 12:17:33,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.40/5.94 [2019-03-28 12:17:33,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 12.40/5.94 [2019-03-28 12:17:33,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 12.40/5.94 [2019-03-28 12:17:33,450 INFO L216 LassoAnalysis]: Preferences: 12.40/5.94 [2019-03-28 12:17:33,451 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.40/5.94 [2019-03-28 12:17:33,451 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.40/5.94 [2019-03-28 12:17:33,451 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.40/5.94 [2019-03-28 12:17:33,452 INFO L127 ssoRankerPreferences]: Use exernal solver: true 12.40/5.94 [2019-03-28 12:17:33,452 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.40/5.94 [2019-03-28 12:17:33,452 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.40/5.94 [2019-03-28 12:17:33,452 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.40/5.94 [2019-03-28 12:17:33,452 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 12.40/5.94 [2019-03-28 12:17:33,453 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.40/5.94 [2019-03-28 12:17:33,453 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.40/5.94 [2019-03-28 12:17:33,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.40/5.94 [2019-03-28 12:17:33,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.40/5.94 [2019-03-28 12:17:33,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.40/5.94 [2019-03-28 12:17:33,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.40/5.94 [2019-03-28 12:17:33,562 INFO L300 LassoAnalysis]: Preprocessing complete. 12.40/5.94 [2019-03-28 12:17:33,563 INFO L412 LassoAnalysis]: Checking for nontermination... 12.40/5.94 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.40/5.94 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.40/5.94 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.40/5.94 [2019-03-28 12:17:33,570 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 12.40/5.94 [2019-03-28 12:17:33,570 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.40/5.94 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 12.40/5.94 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 12.40/5.94 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 12.40/5.94 [2019-03-28 12:17:33,604 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 12.40/5.94 [2019-03-28 12:17:33,604 INFO L163 nArgumentSynthesizer]: Using integer mode. 12.40/5.94 [2019-03-28 12:17:33,637 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 12.40/5.94 [2019-03-28 12:17:33,639 INFO L216 LassoAnalysis]: Preferences: 12.40/5.94 [2019-03-28 12:17:33,639 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 12.40/5.94 [2019-03-28 12:17:33,640 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 12.40/5.94 [2019-03-28 12:17:33,640 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 12.40/5.94 [2019-03-28 12:17:33,640 INFO L127 ssoRankerPreferences]: Use exernal solver: false 12.40/5.94 [2019-03-28 12:17:33,640 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 12.40/5.94 [2019-03-28 12:17:33,640 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 12.40/5.94 [2019-03-28 12:17:33,640 INFO L130 ssoRankerPreferences]: Path of dumped script: 12.40/5.94 [2019-03-28 12:17:33,640 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 12.40/5.94 [2019-03-28 12:17:33,641 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 12.40/5.94 [2019-03-28 12:17:33,641 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 12.40/5.94 [2019-03-28 12:17:33,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.40/5.94 [2019-03-28 12:17:33,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.40/5.94 [2019-03-28 12:17:33,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.40/5.94 [2019-03-28 12:17:33,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 12.40/5.94 [2019-03-28 12:17:33,723 INFO L300 LassoAnalysis]: Preprocessing complete. 12.40/5.94 [2019-03-28 12:17:33,729 INFO L497 LassoAnalysis]: Using template 'affine'. 12.40/5.94 [2019-03-28 12:17:33,731 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 12.40/5.94 Termination analysis: LINEAR_WITH_GUESSES 12.40/5.94 Number of strict supporting invariants: 0 12.40/5.94 Number of non-strict supporting invariants: 1 12.40/5.94 Consider only non-deceasing supporting invariants: true 12.40/5.94 Simplify termination arguments: true 12.40/5.94 Simplify supporting invariants: trueOverapproximate stem: false 12.40/5.94 [2019-03-28 12:17:33,733 INFO L339 nArgumentSynthesizer]: Template has degree 0. 12.40/5.94 [2019-03-28 12:17:33,733 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 12.40/5.94 [2019-03-28 12:17:33,734 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 12.40/5.94 [2019-03-28 12:17:33,734 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 12.40/5.94 [2019-03-28 12:17:33,734 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 12.40/5.94 [2019-03-28 12:17:33,737 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 12.40/5.94 [2019-03-28 12:17:33,737 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 12.40/5.94 [2019-03-28 12:17:33,745 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 12.40/5.94 [2019-03-28 12:17:33,752 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 12.40/5.94 [2019-03-28 12:17:33,752 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 12.40/5.94 [2019-03-28 12:17:33,755 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 12.40/5.94 [2019-03-28 12:17:33,755 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 12.40/5.94 [2019-03-28 12:17:33,756 INFO L518 LassoAnalysis]: Proved termination. 12.40/5.94 [2019-03-28 12:17:33,756 INFO L520 LassoAnalysis]: Termination argument consisting of: 12.40/5.94 Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 39 12.40/5.94 Supporting invariants [] 12.40/5.94 [2019-03-28 12:17:33,758 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 12.40/5.94 [2019-03-28 12:17:33,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 12.40/5.94 [2019-03-28 12:17:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.40/5.94 [2019-03-28 12:17:33,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 12.40/5.94 [2019-03-28 12:17:33,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.40/5.94 [2019-03-28 12:17:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.40/5.94 [2019-03-28 12:17:33,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 12.40/5.94 [2019-03-28 12:17:33,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.40/5.94 [2019-03-28 12:17:33,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 12.40/5.94 [2019-03-28 12:17:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 12.40/5.94 [2019-03-28 12:17:33,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core 12.40/5.94 [2019-03-28 12:17:33,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... 12.40/5.94 [2019-03-28 12:17:33,861 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 12.40/5.94 [2019-03-28 12:17:33,866 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 12.40/5.94 [2019-03-28 12:17:33,868 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 4 states. 12.40/5.94 [2019-03-28 12:17:33,893 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 4 states. Result 8 states and 10 transitions. Complement of second has 4 states. 12.40/5.94 [2019-03-28 12:17:33,894 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 12.40/5.94 [2019-03-28 12:17:33,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 12.40/5.94 [2019-03-28 12:17:33,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. 12.40/5.94 [2019-03-28 12:17:33,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 3 letters. 12.40/5.94 [2019-03-28 12:17:33,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.40/5.94 [2019-03-28 12:17:33,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 4 letters. Loop has 3 letters. 12.40/5.94 [2019-03-28 12:17:33,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.40/5.94 [2019-03-28 12:17:33,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 1 letters. Loop has 6 letters. 12.40/5.94 [2019-03-28 12:17:33,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. 12.40/5.94 [2019-03-28 12:17:33,907 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 10 transitions. 12.40/5.94 [2019-03-28 12:17:33,908 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 12.40/5.94 [2019-03-28 12:17:33,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 0 states and 0 transitions. 12.40/5.94 [2019-03-28 12:17:33,912 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 12.40/5.94 [2019-03-28 12:17:33,912 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 12.40/5.94 [2019-03-28 12:17:33,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 12.40/5.94 [2019-03-28 12:17:33,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 12.40/5.94 [2019-03-28 12:17:33,913 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.40/5.94 [2019-03-28 12:17:33,913 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.40/5.94 [2019-03-28 12:17:33,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 12.40/5.94 [2019-03-28 12:17:33,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 12.40/5.94 [2019-03-28 12:17:33,916 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 4 states. 12.40/5.94 [2019-03-28 12:17:33,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 12.40/5.94 [2019-03-28 12:17:33,919 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. 12.40/5.94 [2019-03-28 12:17:33,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 12.40/5.94 [2019-03-28 12:17:33,921 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. 12.40/5.94 [2019-03-28 12:17:33,921 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 12.40/5.94 [2019-03-28 12:17:33,922 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. 12.40/5.94 [2019-03-28 12:17:33,922 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 12.40/5.94 [2019-03-28 12:17:33,922 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 12.40/5.94 [2019-03-28 12:17:33,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 12.40/5.94 [2019-03-28 12:17:33,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 12.40/5.94 [2019-03-28 12:17:33,922 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.40/5.94 [2019-03-28 12:17:33,922 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.40/5.94 [2019-03-28 12:17:33,923 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 12.40/5.94 [2019-03-28 12:17:33,923 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 12.40/5.94 [2019-03-28 12:17:33,923 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 12.40/5.94 [2019-03-28 12:17:33,923 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 12.40/5.94 [2019-03-28 12:17:33,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 12.40/5.94 [2019-03-28 12:17:33,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:17:33 BasicIcfg 12.40/5.94 [2019-03-28 12:17:33,929 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 12.40/5.94 [2019-03-28 12:17:33,930 INFO L168 Benchmark]: Toolchain (without parser) took 1496.09 ms. Allocated memory was 649.6 MB in the beginning and 672.1 MB in the end (delta: 22.5 MB). Free memory was 558.4 MB in the beginning and 538.8 MB in the end (delta: 19.6 MB). Peak memory consumption was 42.1 MB. Max. memory is 50.3 GB. 12.40/5.94 [2019-03-28 12:17:33,931 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.40/5.94 [2019-03-28 12:17:33,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.43 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 549.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 12.40/5.94 [2019-03-28 12:17:33,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.14 ms. Allocated memory was 649.6 MB in the beginning and 672.1 MB in the end (delta: 22.5 MB). Free memory was 549.0 MB in the beginning and 639.8 MB in the end (delta: -90.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 12.40/5.94 [2019-03-28 12:17:33,933 INFO L168 Benchmark]: Boogie Preprocessor took 18.82 ms. Allocated memory is still 672.1 MB. Free memory was 639.8 MB in the beginning and 636.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 12.40/5.94 [2019-03-28 12:17:33,934 INFO L168 Benchmark]: RCFGBuilder took 188.99 ms. Allocated memory is still 672.1 MB. Free memory was 636.7 MB in the beginning and 623.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 12.40/5.94 [2019-03-28 12:17:33,935 INFO L168 Benchmark]: BlockEncodingV2 took 66.92 ms. Allocated memory is still 672.1 MB. Free memory was 623.8 MB in the beginning and 618.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 12.40/5.94 [2019-03-28 12:17:33,935 INFO L168 Benchmark]: TraceAbstraction took 157.03 ms. Allocated memory is still 672.1 MB. Free memory was 618.4 MB in the beginning and 607.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 50.3 GB. 12.40/5.94 [2019-03-28 12:17:33,937 INFO L168 Benchmark]: BuchiAutomizer took 748.51 ms. Allocated memory is still 672.1 MB. Free memory was 607.9 MB in the beginning and 538.8 MB in the end (delta: 69.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 50.3 GB. 12.40/5.94 [2019-03-28 12:17:33,942 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 12.40/5.94 --- Results --- 12.40/5.94 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 12.40/5.94 - StatisticsResult: Initial Icfg 12.40/5.94 8 locations, 10 edges 12.40/5.94 - StatisticsResult: Encoded RCFG 12.40/5.94 4 locations, 5 edges 12.40/5.94 * Results from de.uni_freiburg.informatik.ultimate.core: 12.40/5.94 - StatisticsResult: Toolchain Benchmarks 12.40/5.94 Benchmark results are: 12.40/5.94 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 12.40/5.94 * CACSL2BoogieTranslator took 221.43 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 549.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 12.40/5.94 * Boogie Procedure Inliner took 89.14 ms. Allocated memory was 649.6 MB in the beginning and 672.1 MB in the end (delta: 22.5 MB). Free memory was 549.0 MB in the beginning and 639.8 MB in the end (delta: -90.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 50.3 GB. 12.40/5.94 * Boogie Preprocessor took 18.82 ms. Allocated memory is still 672.1 MB. Free memory was 639.8 MB in the beginning and 636.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 50.3 GB. 12.40/5.94 * RCFGBuilder took 188.99 ms. Allocated memory is still 672.1 MB. Free memory was 636.7 MB in the beginning and 623.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 12.40/5.94 * BlockEncodingV2 took 66.92 ms. Allocated memory is still 672.1 MB. Free memory was 623.8 MB in the beginning and 618.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 12.40/5.94 * TraceAbstraction took 157.03 ms. Allocated memory is still 672.1 MB. Free memory was 618.4 MB in the beginning and 607.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 50.3 GB. 12.40/5.94 * BuchiAutomizer took 748.51 ms. Allocated memory is still 672.1 MB. Free memory was 607.9 MB in the beginning and 538.8 MB in the end (delta: 69.0 MB). Peak memory consumption was 69.0 MB. Max. memory is 50.3 GB. 12.40/5.94 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 12.40/5.94 - AllSpecificationsHoldResult: All specifications hold 12.40/5.94 We were not able to verify any specifiation because the program does not contain any specification. 12.40/5.94 - InvariantResult [Line: 4]: Loop Invariant 12.40/5.94 Derived loop invariant: 1 12.40/5.94 - InvariantResult [Line: 4]: Loop Invariant 12.40/5.94 Derived loop invariant: 1 12.40/5.94 - StatisticsResult: Ultimate Automizer benchmark data 12.40/5.94 CFG has 1 procedures, 4 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=4occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 12.40/5.94 - StatisticsResult: Constructed decomposition of program 12.40/5.94 Your program was decomposed into 2 terminating modules (1 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function -2 * i + 39 and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. 12.40/5.94 - StatisticsResult: Timing statistics 12.40/5.94 BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 8 SDslu, 1 SDs, 0 SdLazy, 6 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 25ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 12.40/5.94 - TerminationAnalysisResult: Termination proven 12.40/5.94 Buchi Automizer proved that your program is terminating 12.40/5.94 RESULT: Ultimate proved your program to be correct! 12.40/5.94 !SESSION 2019-03-28 12:17:29.172 ----------------------------------------------- 12.40/5.94 eclipse.buildId=unknown 12.40/5.94 java.version=1.8.0_181 12.40/5.94 java.vendor=Oracle Corporation 12.40/5.94 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 12.40/5.94 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 12.40/5.94 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 12.40/5.94 12.40/5.94 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:17:34.175 12.40/5.94 !MESSAGE The workspace will exit with unsaved changes in this session. 12.40/5.94 Received shutdown request... 12.40/5.94 Ultimate: 12.40/5.94 GTK+ Version Check 12.40/5.94 EOF