13.20/6.14 YES 13.20/6.14 13.20/6.14 Ultimate: Cannot open display: 13.20/6.14 This is Ultimate 0.1.24-8dc7c08-m 13.20/6.14 [2019-03-29 02:03:44,467 INFO L170 SettingsManager]: Resetting all preferences to default values... 13.20/6.14 [2019-03-29 02:03:44,470 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 13.20/6.14 [2019-03-29 02:03:44,481 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 13.20/6.14 [2019-03-29 02:03:44,481 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 13.20/6.14 [2019-03-29 02:03:44,482 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 13.20/6.14 [2019-03-29 02:03:44,484 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 13.20/6.14 [2019-03-29 02:03:44,485 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 13.20/6.14 [2019-03-29 02:03:44,487 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 13.20/6.14 [2019-03-29 02:03:44,488 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 13.20/6.14 [2019-03-29 02:03:44,489 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 13.20/6.14 [2019-03-29 02:03:44,489 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 13.20/6.14 [2019-03-29 02:03:44,490 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 13.20/6.14 [2019-03-29 02:03:44,491 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 13.20/6.14 [2019-03-29 02:03:44,492 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 13.20/6.14 [2019-03-29 02:03:44,493 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 13.20/6.14 [2019-03-29 02:03:44,494 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 13.20/6.14 [2019-03-29 02:03:44,495 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 13.20/6.14 [2019-03-29 02:03:44,498 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 13.20/6.14 [2019-03-29 02:03:44,499 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 13.20/6.14 [2019-03-29 02:03:44,500 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 13.20/6.14 [2019-03-29 02:03:44,501 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 13.20/6.14 [2019-03-29 02:03:44,504 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 13.20/6.14 [2019-03-29 02:03:44,504 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 13.20/6.14 [2019-03-29 02:03:44,504 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 13.20/6.14 [2019-03-29 02:03:44,505 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 13.20/6.14 [2019-03-29 02:03:44,506 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 13.20/6.14 [2019-03-29 02:03:44,507 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 13.20/6.14 [2019-03-29 02:03:44,507 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 13.20/6.14 [2019-03-29 02:03:44,508 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 13.20/6.14 [2019-03-29 02:03:44,509 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 13.20/6.14 [2019-03-29 02:03:44,509 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 13.20/6.14 [2019-03-29 02:03:44,510 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 13.20/6.14 [2019-03-29 02:03:44,511 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 13.20/6.14 [2019-03-29 02:03:44,511 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 13.20/6.14 [2019-03-29 02:03:44,511 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 13.20/6.14 [2019-03-29 02:03:44,512 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 13.20/6.14 [2019-03-29 02:03:44,513 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 13.20/6.14 [2019-03-29 02:03:44,513 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 13.20/6.14 [2019-03-29 02:03:44,514 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 13.20/6.14 [2019-03-29 02:03:44,529 INFO L110 SettingsManager]: Loading preferences was successful 13.20/6.14 [2019-03-29 02:03:44,529 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 13.20/6.14 [2019-03-29 02:03:44,530 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 13.20/6.14 [2019-03-29 02:03:44,531 INFO L133 SettingsManager]: * Rewrite not-equals=true 13.20/6.14 [2019-03-29 02:03:44,531 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 13.20/6.14 [2019-03-29 02:03:44,531 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 13.20/6.14 [2019-03-29 02:03:44,531 INFO L133 SettingsManager]: * Use SBE=true 13.20/6.14 [2019-03-29 02:03:44,532 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 13.20/6.14 [2019-03-29 02:03:44,532 INFO L133 SettingsManager]: * Use old map elimination=false 13.20/6.14 [2019-03-29 02:03:44,532 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 13.20/6.14 [2019-03-29 02:03:44,532 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 13.20/6.14 [2019-03-29 02:03:44,532 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 13.20/6.14 [2019-03-29 02:03:44,532 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 13.20/6.14 [2019-03-29 02:03:44,533 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 13.20/6.14 [2019-03-29 02:03:44,533 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.20/6.14 [2019-03-29 02:03:44,533 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 13.20/6.14 [2019-03-29 02:03:44,533 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 13.20/6.14 [2019-03-29 02:03:44,534 INFO L133 SettingsManager]: * Check division by zero=IGNORE 13.20/6.14 [2019-03-29 02:03:44,534 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 13.20/6.14 [2019-03-29 02:03:44,534 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 13.20/6.14 [2019-03-29 02:03:44,534 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 13.20/6.14 [2019-03-29 02:03:44,534 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 13.20/6.14 [2019-03-29 02:03:44,535 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 13.20/6.14 [2019-03-29 02:03:44,535 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 13.20/6.14 [2019-03-29 02:03:44,535 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.20/6.14 [2019-03-29 02:03:44,535 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 13.20/6.14 [2019-03-29 02:03:44,535 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 13.20/6.14 [2019-03-29 02:03:44,535 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 13.20/6.14 [2019-03-29 02:03:44,536 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 13.20/6.14 [2019-03-29 02:03:44,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 13.20/6.14 [2019-03-29 02:03:44,574 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 13.20/6.14 [2019-03-29 02:03:44,577 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 13.20/6.14 [2019-03-29 02:03:44,579 INFO L271 PluginConnector]: Initializing CDTParser... 13.20/6.14 [2019-03-29 02:03:44,579 INFO L276 PluginConnector]: CDTParser initialized 13.20/6.14 [2019-03-29 02:03:44,580 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 13.20/6.14 [2019-03-29 02:03:44,650 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/fd3126c37ef4412faf49e2a173ccf755/FLAG4c0af08ea 13.20/6.14 [2019-03-29 02:03:44,987 INFO L307 CDTParser]: Found 1 translation units. 13.20/6.14 [2019-03-29 02:03:44,988 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 13.20/6.14 [2019-03-29 02:03:44,994 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/fd3126c37ef4412faf49e2a173ccf755/FLAG4c0af08ea 13.20/6.14 [2019-03-29 02:03:45,397 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/fd3126c37ef4412faf49e2a173ccf755 13.20/6.14 [2019-03-29 02:03:45,409 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 13.20/6.14 [2019-03-29 02:03:45,410 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 13.20/6.14 [2019-03-29 02:03:45,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 13.20/6.14 [2019-03-29 02:03:45,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 13.20/6.14 [2019-03-29 02:03:45,415 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 13.20/6.14 [2019-03-29 02:03:45,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:03:45" (1/1) ... 13.20/6.14 [2019-03-29 02:03:45,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328a8661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:45, skipping insertion in model container 13.20/6.14 [2019-03-29 02:03:45,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:03:45" (1/1) ... 13.20/6.14 [2019-03-29 02:03:45,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 13.20/6.14 [2019-03-29 02:03:45,443 INFO L176 MainTranslator]: Built tables and reachable declarations 13.20/6.14 [2019-03-29 02:03:45,600 INFO L206 PostProcessor]: Analyzing one entry point: main 13.20/6.14 [2019-03-29 02:03:45,605 INFO L191 MainTranslator]: Completed pre-run 13.20/6.14 [2019-03-29 02:03:45,622 INFO L206 PostProcessor]: Analyzing one entry point: main 13.20/6.14 [2019-03-29 02:03:45,637 INFO L195 MainTranslator]: Completed translation 13.20/6.14 [2019-03-29 02:03:45,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:45 WrapperNode 13.20/6.14 [2019-03-29 02:03:45,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 13.20/6.14 [2019-03-29 02:03:45,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 13.20/6.14 [2019-03-29 02:03:45,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 13.20/6.14 [2019-03-29 02:03:45,639 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 13.20/6.14 [2019-03-29 02:03:45,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:45" (1/1) ... 13.20/6.14 [2019-03-29 02:03:45,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:45" (1/1) ... 13.20/6.14 [2019-03-29 02:03:45,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 13.20/6.14 [2019-03-29 02:03:45,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 13.20/6.14 [2019-03-29 02:03:45,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 13.20/6.14 [2019-03-29 02:03:45,738 INFO L276 PluginConnector]: Boogie Preprocessor initialized 13.20/6.14 [2019-03-29 02:03:45,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:45" (1/1) ... 13.20/6.14 [2019-03-29 02:03:45,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:45" (1/1) ... 13.20/6.14 [2019-03-29 02:03:45,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:45" (1/1) ... 13.20/6.14 [2019-03-29 02:03:45,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:45" (1/1) ... 13.20/6.14 [2019-03-29 02:03:45,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:45" (1/1) ... 13.20/6.14 [2019-03-29 02:03:45,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:45" (1/1) ... 13.20/6.14 [2019-03-29 02:03:45,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:45" (1/1) ... 13.20/6.14 [2019-03-29 02:03:45,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 13.20/6.14 [2019-03-29 02:03:45,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 13.20/6.14 [2019-03-29 02:03:45,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... 13.20/6.14 [2019-03-29 02:03:45,758 INFO L276 PluginConnector]: RCFGBuilder initialized 13.20/6.14 [2019-03-29 02:03:45,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:45" (1/1) ... 13.20/6.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.20/6.14 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 13.20/6.14 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 13.20/6.14 [2019-03-29 02:03:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 13.20/6.14 [2019-03-29 02:03:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 13.20/6.14 [2019-03-29 02:03:45,959 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 13.20/6.14 [2019-03-29 02:03:45,959 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 13.20/6.14 [2019-03-29 02:03:45,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:03:45 BoogieIcfgContainer 13.20/6.14 [2019-03-29 02:03:45,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 13.20/6.14 [2019-03-29 02:03:45,961 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 13.20/6.14 [2019-03-29 02:03:45,961 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 13.20/6.14 [2019-03-29 02:03:45,964 INFO L276 PluginConnector]: BlockEncodingV2 initialized 13.20/6.14 [2019-03-29 02:03:45,965 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:03:45" (1/1) ... 13.20/6.14 [2019-03-29 02:03:45,981 INFO L313 BlockEncoder]: Initial Icfg 6 locations, 7 edges 13.20/6.14 [2019-03-29 02:03:45,983 INFO L258 BlockEncoder]: Using Remove infeasible edges 13.20/6.14 [2019-03-29 02:03:45,985 INFO L263 BlockEncoder]: Using Maximize final states 13.20/6.14 [2019-03-29 02:03:45,986 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 13.20/6.14 [2019-03-29 02:03:45,986 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 13.20/6.14 [2019-03-29 02:03:45,988 INFO L296 BlockEncoder]: Using Remove sink states 13.20/6.14 [2019-03-29 02:03:45,989 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 13.20/6.14 [2019-03-29 02:03:45,989 INFO L179 BlockEncoder]: Using Rewrite not-equals 13.20/6.14 [2019-03-29 02:03:46,010 INFO L185 BlockEncoder]: Using Use SBE 13.20/6.14 [2019-03-29 02:03:46,024 INFO L200 BlockEncoder]: SBE split 1 edges 13.20/6.14 [2019-03-29 02:03:46,029 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 13.20/6.14 [2019-03-29 02:03:46,031 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.20/6.14 [2019-03-29 02:03:46,041 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 13.20/6.14 [2019-03-29 02:03:46,043 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 13.20/6.14 [2019-03-29 02:03:46,044 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 13.20/6.14 [2019-03-29 02:03:46,044 INFO L71 MaximizeFinalStates]: 0 new accepting states 13.20/6.14 [2019-03-29 02:03:46,045 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 13.20/6.14 [2019-03-29 02:03:46,045 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 13.20/6.14 [2019-03-29 02:03:46,045 INFO L313 BlockEncoder]: Encoded RCFG 2 locations, 2 edges 13.20/6.14 [2019-03-29 02:03:46,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:03:46 BasicIcfg 13.20/6.14 [2019-03-29 02:03:46,046 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 13.20/6.14 [2019-03-29 02:03:46,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 13.20/6.14 [2019-03-29 02:03:46,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... 13.20/6.14 [2019-03-29 02:03:46,050 INFO L276 PluginConnector]: TraceAbstraction initialized 13.20/6.14 [2019-03-29 02:03:46,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:03:45" (1/4) ... 13.20/6.14 [2019-03-29 02:03:46,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217e36db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:03:46, skipping insertion in model container 13.20/6.14 [2019-03-29 02:03:46,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:45" (2/4) ... 13.20/6.14 [2019-03-29 02:03:46,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217e36db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:03:46, skipping insertion in model container 13.20/6.14 [2019-03-29 02:03:46,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:03:45" (3/4) ... 13.20/6.14 [2019-03-29 02:03:46,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217e36db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:03:46, skipping insertion in model container 13.20/6.14 [2019-03-29 02:03:46,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:03:46" (4/4) ... 13.20/6.14 [2019-03-29 02:03:46,054 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.20/6.14 [2019-03-29 02:03:46,065 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 13.20/6.14 [2019-03-29 02:03:46,072 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 13.20/6.14 [2019-03-29 02:03:46,089 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 13.20/6.14 [2019-03-29 02:03:46,118 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.20/6.14 [2019-03-29 02:03:46,119 INFO L382 AbstractCegarLoop]: Interprodecural is true 13.20/6.14 [2019-03-29 02:03:46,119 INFO L383 AbstractCegarLoop]: Hoare is true 13.20/6.14 [2019-03-29 02:03:46,119 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 13.20/6.14 [2019-03-29 02:03:46,119 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 13.20/6.14 [2019-03-29 02:03:46,120 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.20/6.14 [2019-03-29 02:03:46,120 INFO L387 AbstractCegarLoop]: Difference is false 13.20/6.14 [2019-03-29 02:03:46,120 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 13.20/6.14 [2019-03-29 02:03:46,120 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 13.20/6.14 [2019-03-29 02:03:46,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2 states. 13.20/6.14 [2019-03-29 02:03:46,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 13.20/6.14 [2019-03-29 02:03:46,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 2 states. 13.20/6.14 [2019-03-29 02:03:46,192 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 13.20/6.14 [2019-03-29 02:03:46,193 INFO L451 ceAbstractionStarter]: At program point L11-2(lines 11 15) the Hoare annotation is: true 13.20/6.14 [2019-03-29 02:03:46,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:03:46 BasicIcfg 13.20/6.14 [2019-03-29 02:03:46,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 13.20/6.14 [2019-03-29 02:03:46,202 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 13.20/6.14 [2019-03-29 02:03:46,202 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 13.20/6.14 [2019-03-29 02:03:46,205 INFO L276 PluginConnector]: BuchiAutomizer initialized 13.20/6.14 [2019-03-29 02:03:46,206 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.20/6.14 [2019-03-29 02:03:46,206 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:03:45" (1/5) ... 13.20/6.14 [2019-03-29 02:03:46,207 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c902d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:03:46, skipping insertion in model container 13.20/6.14 [2019-03-29 02:03:46,207 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.20/6.14 [2019-03-29 02:03:46,207 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:03:45" (2/5) ... 13.20/6.14 [2019-03-29 02:03:46,208 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c902d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:03:46, skipping insertion in model container 13.20/6.14 [2019-03-29 02:03:46,208 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.20/6.14 [2019-03-29 02:03:46,208 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:03:45" (3/5) ... 13.20/6.14 [2019-03-29 02:03:46,208 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c902d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:03:46, skipping insertion in model container 13.20/6.14 [2019-03-29 02:03:46,208 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.20/6.14 [2019-03-29 02:03:46,208 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:03:46" (4/5) ... 13.20/6.14 [2019-03-29 02:03:46,209 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c902d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:03:46, skipping insertion in model container 13.20/6.14 [2019-03-29 02:03:46,209 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 13.20/6.14 [2019-03-29 02:03:46,209 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:03:46" (5/5) ... 13.20/6.14 [2019-03-29 02:03:46,211 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 13.20/6.14 [2019-03-29 02:03:46,238 INFO L133 ementStrategyFactory]: Using default assertion order modulation 13.20/6.14 [2019-03-29 02:03:46,239 INFO L374 BuchiCegarLoop]: Interprodecural is true 13.20/6.14 [2019-03-29 02:03:46,239 INFO L375 BuchiCegarLoop]: Hoare is true 13.20/6.14 [2019-03-29 02:03:46,239 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 13.20/6.14 [2019-03-29 02:03:46,239 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 13.20/6.14 [2019-03-29 02:03:46,239 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 13.20/6.14 [2019-03-29 02:03:46,239 INFO L379 BuchiCegarLoop]: Difference is false 13.20/6.14 [2019-03-29 02:03:46,240 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 13.20/6.14 [2019-03-29 02:03:46,240 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 13.20/6.14 [2019-03-29 02:03:46,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.20/6.14 [2019-03-29 02:03:46,261 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.20/6.14 [2019-03-29 02:03:46,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.20/6.14 [2019-03-29 02:03:46,262 INFO L119 BuchiIsEmpty]: Starting construction of run 13.20/6.14 [2019-03-29 02:03:46,267 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.20/6.14 [2019-03-29 02:03:46,267 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.20/6.14 [2019-03-29 02:03:46,268 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 13.20/6.14 [2019-03-29 02:03:46,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. 13.20/6.14 [2019-03-29 02:03:46,268 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 13.20/6.14 [2019-03-29 02:03:46,268 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 13.20/6.14 [2019-03-29 02:03:46,269 INFO L119 BuchiIsEmpty]: Starting construction of run 13.20/6.14 [2019-03-29 02:03:46,269 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 13.20/6.14 [2019-03-29 02:03:46,269 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 13.20/6.14 [2019-03-29 02:03:46,274 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [18] ULTIMATE.startENTRY-->L11-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~c~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_2|, ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_1, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L11-2true 13.20/6.14 [2019-03-29 02:03:46,275 INFO L796 eck$LassoCheckResult]: Loop: 4#L11-2true [24] L11-2-->L11-2: Formula: (and (< 0 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~y~0_7 (+ v_ULTIMATE.start_main_~y~0_8 (- 1))) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 (- 1))) (< 0 v_ULTIMATE.start_main_~x~0_8) (= v_ULTIMATE.start_main_~c~0_6 (+ v_ULTIMATE.start_main_~c~0_7 1))) InVars {ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_7, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~c~0=v_ULTIMATE.start_main_~c~0_6, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~c~0, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 4#L11-2true 13.20/6.14 [2019-03-29 02:03:46,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.20/6.14 [2019-03-29 02:03:46,281 INFO L82 PathProgramCache]: Analyzing trace with hash 49, now seen corresponding path program 1 times 13.20/6.14 [2019-03-29 02:03:46,283 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.20/6.14 [2019-03-29 02:03:46,284 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.20/6.14 [2019-03-29 02:03:46,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.20/6.14 [2019-03-29 02:03:46,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.20/6.14 [2019-03-29 02:03:46,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.20/6.14 [2019-03-29 02:03:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.20/6.14 [2019-03-29 02:03:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.20/6.14 [2019-03-29 02:03:46,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.20/6.14 [2019-03-29 02:03:46,356 INFO L82 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times 13.20/6.14 [2019-03-29 02:03:46,356 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.20/6.14 [2019-03-29 02:03:46,356 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.20/6.14 [2019-03-29 02:03:46,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.20/6.14 [2019-03-29 02:03:46,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.20/6.14 [2019-03-29 02:03:46,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.20/6.14 [2019-03-29 02:03:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.20/6.14 [2019-03-29 02:03:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.20/6.14 [2019-03-29 02:03:46,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.20/6.14 [2019-03-29 02:03:46,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1543, now seen corresponding path program 1 times 13.20/6.14 [2019-03-29 02:03:46,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 13.20/6.14 [2019-03-29 02:03:46,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 13.20/6.14 [2019-03-29 02:03:46,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.20/6.14 [2019-03-29 02:03:46,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 13.20/6.14 [2019-03-29 02:03:46,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 13.20/6.14 [2019-03-29 02:03:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.20/6.14 [2019-03-29 02:03:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 13.20/6.14 [2019-03-29 02:03:46,442 INFO L216 LassoAnalysis]: Preferences: 13.20/6.14 [2019-03-29 02:03:46,443 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.20/6.14 [2019-03-29 02:03:46,444 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.20/6.14 [2019-03-29 02:03:46,444 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.20/6.14 [2019-03-29 02:03:46,444 INFO L127 ssoRankerPreferences]: Use exernal solver: true 13.20/6.14 [2019-03-29 02:03:46,444 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.20/6.14 [2019-03-29 02:03:46,444 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.20/6.14 [2019-03-29 02:03:46,444 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.20/6.14 [2019-03-29 02:03:46,445 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.20/6.14 [2019-03-29 02:03:46,445 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.20/6.14 [2019-03-29 02:03:46,445 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.20/6.14 [2019-03-29 02:03:46,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.20/6.14 [2019-03-29 02:03:46,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.20/6.14 [2019-03-29 02:03:46,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.20/6.14 [2019-03-29 02:03:46,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.20/6.14 [2019-03-29 02:03:46,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.20/6.14 [2019-03-29 02:03:46,614 INFO L300 LassoAnalysis]: Preprocessing complete. 13.20/6.14 [2019-03-29 02:03:46,615 INFO L412 LassoAnalysis]: Checking for nontermination... 13.20/6.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.20/6.14 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.20/6.14 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.20/6.14 [2019-03-29 02:03:46,623 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 13.20/6.14 [2019-03-29 02:03:46,623 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.20/6.14 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 13.20/6.14 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 13.20/6.14 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 13.20/6.14 [2019-03-29 02:03:46,661 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 13.20/6.14 [2019-03-29 02:03:46,661 INFO L163 nArgumentSynthesizer]: Using integer mode. 13.20/6.14 [2019-03-29 02:03:46,694 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 13.20/6.14 [2019-03-29 02:03:46,696 INFO L216 LassoAnalysis]: Preferences: 13.20/6.14 [2019-03-29 02:03:46,696 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 13.20/6.14 [2019-03-29 02:03:46,697 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 13.20/6.14 [2019-03-29 02:03:46,697 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 13.20/6.14 [2019-03-29 02:03:46,697 INFO L127 ssoRankerPreferences]: Use exernal solver: false 13.20/6.14 [2019-03-29 02:03:46,697 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 13.20/6.14 [2019-03-29 02:03:46,697 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 13.20/6.14 [2019-03-29 02:03:46,697 INFO L130 ssoRankerPreferences]: Path of dumped script: 13.20/6.14 [2019-03-29 02:03:46,698 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 13.20/6.14 [2019-03-29 02:03:46,698 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 13.20/6.14 [2019-03-29 02:03:46,698 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 13.20/6.14 [2019-03-29 02:03:46,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.20/6.14 [2019-03-29 02:03:46,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.20/6.14 [2019-03-29 02:03:46,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.20/6.14 [2019-03-29 02:03:46,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.20/6.14 [2019-03-29 02:03:46,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 13.20/6.14 [2019-03-29 02:03:46,801 INFO L300 LassoAnalysis]: Preprocessing complete. 13.20/6.14 [2019-03-29 02:03:46,807 INFO L497 LassoAnalysis]: Using template 'affine'. 13.20/6.14 [2019-03-29 02:03:46,809 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 13.20/6.14 Termination analysis: LINEAR_WITH_GUESSES 13.20/6.14 Number of strict supporting invariants: 0 13.20/6.14 Number of non-strict supporting invariants: 1 13.20/6.14 Consider only non-deceasing supporting invariants: true 13.20/6.14 Simplify termination arguments: true 13.20/6.14 Simplify supporting invariants: trueOverapproximate stem: false 13.20/6.14 [2019-03-29 02:03:46,810 INFO L339 nArgumentSynthesizer]: Template has degree 0. 13.20/6.14 [2019-03-29 02:03:46,810 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 13.20/6.14 [2019-03-29 02:03:46,811 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 13.20/6.14 [2019-03-29 02:03:46,811 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 13.20/6.14 [2019-03-29 02:03:46,811 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 13.20/6.14 [2019-03-29 02:03:46,814 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 13.20/6.14 [2019-03-29 02:03:46,814 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 13.20/6.14 [2019-03-29 02:03:46,822 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 13.20/6.14 [2019-03-29 02:03:46,827 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 13.20/6.14 [2019-03-29 02:03:46,828 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 13.20/6.14 [2019-03-29 02:03:46,830 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 13.20/6.14 [2019-03-29 02:03:46,830 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 13.20/6.14 [2019-03-29 02:03:46,831 INFO L518 LassoAnalysis]: Proved termination. 13.20/6.14 [2019-03-29 02:03:46,831 INFO L520 LassoAnalysis]: Termination argument consisting of: 13.20/6.14 Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 13.20/6.14 Supporting invariants [] 13.20/6.14 [2019-03-29 02:03:46,833 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 13.20/6.14 [2019-03-29 02:03:46,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 13.20/6.14 [2019-03-29 02:03:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.20/6.14 [2019-03-29 02:03:46,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 13.20/6.14 [2019-03-29 02:03:46,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.20/6.14 [2019-03-29 02:03:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 13.20/6.14 [2019-03-29 02:03:46,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core 13.20/6.14 [2019-03-29 02:03:46,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... 13.20/6.14 [2019-03-29 02:03:46,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 13.20/6.14 [2019-03-29 02:03:46,889 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 13.20/6.14 [2019-03-29 02:03:46,894 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 1 loop predicates 13.20/6.14 [2019-03-29 02:03:46,895 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 2 states. Second operand 2 states. 13.20/6.14 [2019-03-29 02:03:46,914 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 2 states.. Second operand 2 states. Result 3 states and 3 transitions. Complement of second has 2 states. 13.20/6.14 [2019-03-29 02:03:46,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 13.20/6.14 [2019-03-29 02:03:46,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 13.20/6.14 [2019-03-29 02:03:46,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4 transitions. 13.20/6.14 [2019-03-29 02:03:46,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 1 letters. 13.20/6.14 [2019-03-29 02:03:46,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.20/6.14 [2019-03-29 02:03:46,919 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 2 letters. Loop has 1 letters. 13.20/6.14 [2019-03-29 02:03:46,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.20/6.14 [2019-03-29 02:03:46,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 4 transitions. Stem has 1 letters. Loop has 2 letters. 13.20/6.14 [2019-03-29 02:03:46,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. 13.20/6.14 [2019-03-29 02:03:46,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 3 transitions. 13.20/6.14 [2019-03-29 02:03:46,925 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.20/6.14 [2019-03-29 02:03:46,929 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. 13.20/6.14 [2019-03-29 02:03:46,930 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 13.20/6.14 [2019-03-29 02:03:46,931 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 13.20/6.14 [2019-03-29 02:03:46,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 13.20/6.14 [2019-03-29 02:03:46,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 13.20/6.14 [2019-03-29 02:03:46,932 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.20/6.14 [2019-03-29 02:03:46,932 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.20/6.14 [2019-03-29 02:03:46,932 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 13.20/6.14 [2019-03-29 02:03:46,932 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 13.20/6.14 [2019-03-29 02:03:46,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 13.20/6.14 [2019-03-29 02:03:46,932 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 13.20/6.14 [2019-03-29 02:03:46,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 13.20/6.14 [2019-03-29 02:03:46,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:03:46 BasicIcfg 13.20/6.14 [2019-03-29 02:03:46,938 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 13.20/6.14 [2019-03-29 02:03:46,939 INFO L168 Benchmark]: Toolchain (without parser) took 1529.38 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 520.3 MB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 50.3 GB. 13.20/6.14 [2019-03-29 02:03:46,941 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 581.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.20/6.14 [2019-03-29 02:03:46,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.78 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 548.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 13.20/6.14 [2019-03-29 02:03:46,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.11 ms. Allocated memory is still 649.6 MB. Free memory was 548.7 MB in the beginning and 615.9 MB in the end (delta: -67.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 13.20/6.14 [2019-03-29 02:03:46,943 INFO L168 Benchmark]: Boogie Preprocessor took 19.66 ms. Allocated memory is still 649.6 MB. Free memory is still 615.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.20/6.14 [2019-03-29 02:03:46,943 INFO L168 Benchmark]: RCFGBuilder took 202.78 ms. Allocated memory is still 649.6 MB. Free memory was 615.9 MB in the beginning and 601.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. 13.20/6.14 [2019-03-29 02:03:46,944 INFO L168 Benchmark]: BlockEncodingV2 took 84.80 ms. Allocated memory is still 649.6 MB. Free memory was 601.2 MB in the beginning and 595.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.20/6.14 [2019-03-29 02:03:46,944 INFO L168 Benchmark]: TraceAbstraction took 154.21 ms. Allocated memory is still 649.6 MB. Free memory was 595.8 MB in the beginning and 586.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.20/6.14 [2019-03-29 02:03:46,945 INFO L168 Benchmark]: BuchiAutomizer took 736.67 ms. Allocated memory is still 649.6 MB. Free memory was 586.4 MB in the beginning and 520.3 MB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 50.3 GB. 13.20/6.14 [2019-03-29 02:03:46,949 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 13.20/6.14 --- Results --- 13.20/6.14 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 13.20/6.14 - StatisticsResult: Initial Icfg 13.20/6.14 6 locations, 7 edges 13.20/6.14 - StatisticsResult: Encoded RCFG 13.20/6.14 2 locations, 2 edges 13.20/6.14 * Results from de.uni_freiburg.informatik.ultimate.core: 13.20/6.14 - StatisticsResult: Toolchain Benchmarks 13.20/6.14 Benchmark results are: 13.20/6.14 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 581.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.20/6.14 * CACSL2BoogieTranslator took 226.78 ms. Allocated memory is still 649.6 MB. Free memory was 558.4 MB in the beginning and 548.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 13.20/6.14 * Boogie Procedure Inliner took 99.11 ms. Allocated memory is still 649.6 MB. Free memory was 548.7 MB in the beginning and 615.9 MB in the end (delta: -67.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 13.20/6.14 * Boogie Preprocessor took 19.66 ms. Allocated memory is still 649.6 MB. Free memory is still 615.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 13.20/6.14 * RCFGBuilder took 202.78 ms. Allocated memory is still 649.6 MB. Free memory was 615.9 MB in the beginning and 601.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 50.3 GB. 13.20/6.14 * BlockEncodingV2 took 84.80 ms. Allocated memory is still 649.6 MB. Free memory was 601.2 MB in the beginning and 595.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 13.20/6.14 * TraceAbstraction took 154.21 ms. Allocated memory is still 649.6 MB. Free memory was 595.8 MB in the beginning and 586.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 13.20/6.14 * BuchiAutomizer took 736.67 ms. Allocated memory is still 649.6 MB. Free memory was 586.4 MB in the beginning and 520.3 MB in the end (delta: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 50.3 GB. 13.20/6.14 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 13.20/6.14 - AllSpecificationsHoldResult: All specifications hold 13.20/6.14 We were not able to verify any specifiation because the program does not contain any specification. 13.20/6.14 - InvariantResult [Line: 11]: Loop Invariant 13.20/6.14 Derived loop invariant: 1 13.20/6.14 - StatisticsResult: Ultimate Automizer benchmark data 13.20/6.14 CFG has 1 procedures, 2 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=2occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 13.20/6.14 - StatisticsResult: Constructed decomposition of program 13.20/6.14 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function y and consists of 2 locations. 13.20/6.14 - StatisticsResult: Timing statistics 13.20/6.14 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 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax152 hnf100 lsp28 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 22ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s 13.20/6.14 - TerminationAnalysisResult: Termination proven 13.20/6.14 Buchi Automizer proved that your program is terminating 13.20/6.14 RESULT: Ultimate proved your program to be correct! 13.20/6.14 !SESSION 2019-03-29 02:03:42.038 ----------------------------------------------- 13.20/6.14 eclipse.buildId=unknown 13.20/6.14 java.version=1.8.0_181 13.20/6.14 java.vendor=Oracle Corporation 13.20/6.14 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 13.20/6.14 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 13.20/6.14 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 13.20/6.14 13.20/6.14 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:03:47.183 13.20/6.14 !MESSAGE The workspace will exit with unsaved changes in this session. 13.20/6.14 Received shutdown request... 13.20/6.14 Ultimate: 13.20/6.14 GTK+ Version Check 13.20/6.14 EOF