23.93/13.54 YES 23.93/13.54 23.93/13.54 Ultimate: Cannot open display: 23.93/13.54 This is Ultimate 0.1.24-8dc7c08-m 23.93/13.54 [2019-03-29 02:14:16,012 INFO L170 SettingsManager]: Resetting all preferences to default values... 23.93/13.54 [2019-03-29 02:14:16,014 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 23.93/13.54 [2019-03-29 02:14:16,026 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 23.93/13.54 [2019-03-29 02:14:16,027 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 23.93/13.54 [2019-03-29 02:14:16,028 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 23.93/13.54 [2019-03-29 02:14:16,029 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 23.93/13.54 [2019-03-29 02:14:16,030 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 23.93/13.54 [2019-03-29 02:14:16,032 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 23.93/13.54 [2019-03-29 02:14:16,033 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 23.93/13.54 [2019-03-29 02:14:16,034 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 23.93/13.54 [2019-03-29 02:14:16,034 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 23.93/13.54 [2019-03-29 02:14:16,035 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 23.93/13.54 [2019-03-29 02:14:16,036 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 23.93/13.54 [2019-03-29 02:14:16,037 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 23.93/13.54 [2019-03-29 02:14:16,037 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 23.93/13.54 [2019-03-29 02:14:16,038 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 23.93/13.54 [2019-03-29 02:14:16,040 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 23.93/13.54 [2019-03-29 02:14:16,042 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 23.93/13.54 [2019-03-29 02:14:16,043 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 23.93/13.54 [2019-03-29 02:14:16,044 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 23.93/13.54 [2019-03-29 02:14:16,045 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 23.93/13.54 [2019-03-29 02:14:16,048 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 23.93/13.54 [2019-03-29 02:14:16,048 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 23.93/13.54 [2019-03-29 02:14:16,048 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 23.93/13.54 [2019-03-29 02:14:16,049 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 23.93/13.54 [2019-03-29 02:14:16,049 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 23.93/13.54 [2019-03-29 02:14:16,050 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 23.93/13.54 [2019-03-29 02:14:16,050 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 23.93/13.54 [2019-03-29 02:14:16,051 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 23.93/13.54 [2019-03-29 02:14:16,052 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 23.93/13.54 [2019-03-29 02:14:16,052 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 23.93/13.54 [2019-03-29 02:14:16,053 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 23.93/13.54 [2019-03-29 02:14:16,054 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 23.93/13.54 [2019-03-29 02:14:16,054 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 23.93/13.54 [2019-03-29 02:14:16,055 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 23.93/13.54 [2019-03-29 02:14:16,055 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 23.93/13.54 [2019-03-29 02:14:16,056 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 23.93/13.54 [2019-03-29 02:14:16,056 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 23.93/13.54 [2019-03-29 02:14:16,057 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 23.93/13.54 [2019-03-29 02:14:16,071 INFO L110 SettingsManager]: Loading preferences was successful 23.93/13.54 [2019-03-29 02:14:16,071 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 23.93/13.54 [2019-03-29 02:14:16,072 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 23.93/13.54 [2019-03-29 02:14:16,072 INFO L133 SettingsManager]: * Rewrite not-equals=true 23.93/13.54 [2019-03-29 02:14:16,073 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 23.93/13.54 [2019-03-29 02:14:16,073 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 23.93/13.54 [2019-03-29 02:14:16,073 INFO L133 SettingsManager]: * Use SBE=true 23.93/13.54 [2019-03-29 02:14:16,073 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 23.93/13.54 [2019-03-29 02:14:16,073 INFO L133 SettingsManager]: * Use old map elimination=false 23.93/13.54 [2019-03-29 02:14:16,074 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 23.93/13.54 [2019-03-29 02:14:16,074 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 23.93/13.54 [2019-03-29 02:14:16,074 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 23.93/13.54 [2019-03-29 02:14:16,074 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 23.93/13.54 [2019-03-29 02:14:16,074 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 23.93/13.54 [2019-03-29 02:14:16,074 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.93/13.54 [2019-03-29 02:14:16,075 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 23.93/13.54 [2019-03-29 02:14:16,075 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 23.93/13.54 [2019-03-29 02:14:16,075 INFO L133 SettingsManager]: * Check division by zero=IGNORE 23.93/13.54 [2019-03-29 02:14:16,075 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 23.93/13.54 [2019-03-29 02:14:16,075 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 23.93/13.54 [2019-03-29 02:14:16,075 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 23.93/13.54 [2019-03-29 02:14:16,076 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 23.93/13.54 [2019-03-29 02:14:16,076 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 23.93/13.54 [2019-03-29 02:14:16,076 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 23.93/13.54 [2019-03-29 02:14:16,076 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 23.93/13.54 [2019-03-29 02:14:16,076 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 23.93/13.54 [2019-03-29 02:14:16,077 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 23.93/13.54 [2019-03-29 02:14:16,077 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 23.93/13.54 [2019-03-29 02:14:16,077 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 23.93/13.54 [2019-03-29 02:14:16,103 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 23.93/13.54 [2019-03-29 02:14:16,115 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 23.93/13.54 [2019-03-29 02:14:16,119 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 23.93/13.54 [2019-03-29 02:14:16,121 INFO L271 PluginConnector]: Initializing CDTParser... 23.93/13.54 [2019-03-29 02:14:16,121 INFO L276 PluginConnector]: CDTParser initialized 23.93/13.54 [2019-03-29 02:14:16,122 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 23.93/13.54 [2019-03-29 02:14:16,185 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/6248b3384c5248b286f014dc03c6e5c9/FLAG577588d76 23.93/13.54 [2019-03-29 02:14:16,522 INFO L307 CDTParser]: Found 1 translation units. 23.93/13.54 [2019-03-29 02:14:16,523 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 23.93/13.54 [2019-03-29 02:14:16,530 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/6248b3384c5248b286f014dc03c6e5c9/FLAG577588d76 23.93/13.54 [2019-03-29 02:14:16,923 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/6248b3384c5248b286f014dc03c6e5c9 23.93/13.54 [2019-03-29 02:14:16,935 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 23.93/13.54 [2019-03-29 02:14:16,936 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 23.93/13.54 [2019-03-29 02:14:16,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 23.93/13.54 [2019-03-29 02:14:16,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 23.93/13.54 [2019-03-29 02:14:16,941 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 23.93/13.54 [2019-03-29 02:14:16,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:14:16" (1/1) ... 23.93/13.54 [2019-03-29 02:14:16,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c81408c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:16, skipping insertion in model container 23.93/13.54 [2019-03-29 02:14:16,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:14:16" (1/1) ... 23.93/13.54 [2019-03-29 02:14:16,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 23.93/13.54 [2019-03-29 02:14:16,971 INFO L176 MainTranslator]: Built tables and reachable declarations 23.93/13.54 [2019-03-29 02:14:17,131 INFO L206 PostProcessor]: Analyzing one entry point: main 23.93/13.54 [2019-03-29 02:14:17,136 INFO L191 MainTranslator]: Completed pre-run 23.93/13.54 [2019-03-29 02:14:17,153 INFO L206 PostProcessor]: Analyzing one entry point: main 23.93/13.54 [2019-03-29 02:14:17,229 INFO L195 MainTranslator]: Completed translation 23.93/13.54 [2019-03-29 02:14:17,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17 WrapperNode 23.93/13.54 [2019-03-29 02:14:17,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 23.93/13.54 [2019-03-29 02:14:17,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 23.93/13.54 [2019-03-29 02:14:17,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 23.93/13.54 [2019-03-29 02:14:17,231 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 23.93/13.54 [2019-03-29 02:14:17,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 23.93/13.54 [2019-03-29 02:14:17,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 23.93/13.54 [2019-03-29 02:14:17,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 23.93/13.54 [2019-03-29 02:14:17,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 23.93/13.54 [2019-03-29 02:14:17,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 23.93/13.54 [2019-03-29 02:14:17,269 INFO L276 PluginConnector]: Boogie Preprocessor initialized 23.93/13.54 [2019-03-29 02:14:17,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 23.93/13.54 [2019-03-29 02:14:17,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 23.93/13.54 [2019-03-29 02:14:17,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 23.93/13.54 [2019-03-29 02:14:17,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 23.93/13.54 [2019-03-29 02:14:17,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 23.93/13.54 [2019-03-29 02:14:17,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 23.93/13.54 [2019-03-29 02:14:17,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 23.93/13.54 [2019-03-29 02:14:17,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 23.93/13.54 [2019-03-29 02:14:17,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 23.93/13.54 [2019-03-29 02:14:17,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... 23.93/13.54 [2019-03-29 02:14:17,290 INFO L276 PluginConnector]: RCFGBuilder initialized 23.93/13.54 [2019-03-29 02:14:17,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (1/1) ... 23.93/13.54 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.93/13.54 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 23.93/13.54 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 23.93/13.54 [2019-03-29 02:14:17,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 23.93/13.54 [2019-03-29 02:14:17,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 23.93/13.54 [2019-03-29 02:14:17,501 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 23.93/13.54 [2019-03-29 02:14:17,502 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 23.93/13.54 [2019-03-29 02:14:17,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:14:17 BoogieIcfgContainer 23.93/13.54 [2019-03-29 02:14:17,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 23.93/13.54 [2019-03-29 02:14:17,524 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 23.93/13.54 [2019-03-29 02:14:17,524 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 23.93/13.54 [2019-03-29 02:14:17,526 INFO L276 PluginConnector]: BlockEncodingV2 initialized 23.93/13.54 [2019-03-29 02:14:17,527 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:14:17" (1/1) ... 23.93/13.54 [2019-03-29 02:14:17,542 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 13 edges 23.93/13.54 [2019-03-29 02:14:17,543 INFO L258 BlockEncoder]: Using Remove infeasible edges 23.93/13.54 [2019-03-29 02:14:17,544 INFO L263 BlockEncoder]: Using Maximize final states 23.93/13.54 [2019-03-29 02:14:17,545 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 23.93/13.54 [2019-03-29 02:14:17,545 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 23.93/13.54 [2019-03-29 02:14:17,547 INFO L296 BlockEncoder]: Using Remove sink states 23.93/13.54 [2019-03-29 02:14:17,548 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 23.93/13.54 [2019-03-29 02:14:17,548 INFO L179 BlockEncoder]: Using Rewrite not-equals 23.93/13.54 [2019-03-29 02:14:17,563 INFO L185 BlockEncoder]: Using Use SBE 23.93/13.54 [2019-03-29 02:14:17,578 INFO L200 BlockEncoder]: SBE split 1 edges 23.93/13.54 [2019-03-29 02:14:17,583 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 23.93/13.54 [2019-03-29 02:14:17,585 INFO L71 MaximizeFinalStates]: 0 new accepting states 23.93/13.54 [2019-03-29 02:14:17,598 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 23.93/13.54 [2019-03-29 02:14:17,601 INFO L70 RemoveSinkStates]: Removed 6 edges and 2 locations by removing sink states 23.93/13.54 [2019-03-29 02:14:17,602 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 23.93/13.54 [2019-03-29 02:14:17,602 INFO L71 MaximizeFinalStates]: 0 new accepting states 23.93/13.54 [2019-03-29 02:14:17,608 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 23.93/13.54 [2019-03-29 02:14:17,608 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 23.93/13.54 [2019-03-29 02:14:17,608 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 23.93/13.54 [2019-03-29 02:14:17,609 INFO L71 MaximizeFinalStates]: 0 new accepting states 23.93/13.54 [2019-03-29 02:14:17,609 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 23.93/13.54 [2019-03-29 02:14:17,609 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 23.93/13.54 [2019-03-29 02:14:17,609 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 23.93/13.54 [2019-03-29 02:14:17,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:14:17 BasicIcfg 23.93/13.54 [2019-03-29 02:14:17,610 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 23.93/13.54 [2019-03-29 02:14:17,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 23.93/13.54 [2019-03-29 02:14:17,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... 23.93/13.54 [2019-03-29 02:14:17,614 INFO L276 PluginConnector]: TraceAbstraction initialized 23.93/13.54 [2019-03-29 02:14:17,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:14:16" (1/4) ... 23.93/13.54 [2019-03-29 02:14:17,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a45fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:14:17, skipping insertion in model container 23.93/13.54 [2019-03-29 02:14:17,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (2/4) ... 23.93/13.54 [2019-03-29 02:14:17,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a45fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:14:17, skipping insertion in model container 23.93/13.54 [2019-03-29 02:14:17,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:14:17" (3/4) ... 23.93/13.54 [2019-03-29 02:14:17,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a45fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:14:17, skipping insertion in model container 23.93/13.54 [2019-03-29 02:14:17,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:14:17" (4/4) ... 23.93/13.54 [2019-03-29 02:14:17,618 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 23.93/13.54 [2019-03-29 02:14:17,629 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 23.93/13.54 [2019-03-29 02:14:17,637 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 23.93/13.54 [2019-03-29 02:14:17,655 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 23.93/13.54 [2019-03-29 02:14:17,683 INFO L133 ementStrategyFactory]: Using default assertion order modulation 23.93/13.54 [2019-03-29 02:14:17,684 INFO L382 AbstractCegarLoop]: Interprodecural is true 23.93/13.54 [2019-03-29 02:14:17,684 INFO L383 AbstractCegarLoop]: Hoare is true 23.93/13.54 [2019-03-29 02:14:17,685 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 23.93/13.54 [2019-03-29 02:14:17,685 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 23.93/13.54 [2019-03-29 02:14:17,685 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 23.93/13.54 [2019-03-29 02:14:17,685 INFO L387 AbstractCegarLoop]: Difference is false 23.93/13.54 [2019-03-29 02:14:17,685 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 23.93/13.54 [2019-03-29 02:14:17,685 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 23.93/13.54 [2019-03-29 02:14:17,700 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 23.93/13.54 [2019-03-29 02:14:17,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 23.93/13.54 [2019-03-29 02:14:17,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 23.93/13.54 [2019-03-29 02:14:17,760 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 23.93/13.54 [2019-03-29 02:14:17,760 INFO L451 ceAbstractionStarter]: At program point L24-2(lines 24 27) the Hoare annotation is: true 23.93/13.54 [2019-03-29 02:14:17,761 INFO L451 ceAbstractionStarter]: At program point L22-2(lines 22 29) the Hoare annotation is: true 23.93/13.54 [2019-03-29 02:14:17,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:14:17 BasicIcfg 23.93/13.54 [2019-03-29 02:14:17,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 23.93/13.54 [2019-03-29 02:14:17,770 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 23.93/13.54 [2019-03-29 02:14:17,770 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 23.93/13.54 [2019-03-29 02:14:17,773 INFO L276 PluginConnector]: BuchiAutomizer initialized 23.93/13.54 [2019-03-29 02:14:17,774 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.93/13.54 [2019-03-29 02:14:17,774 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:14:16" (1/5) ... 23.93/13.54 [2019-03-29 02:14:17,775 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d71e5d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:14:17, skipping insertion in model container 23.93/13.54 [2019-03-29 02:14:17,775 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.93/13.54 [2019-03-29 02:14:17,775 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:14:17" (2/5) ... 23.93/13.54 [2019-03-29 02:14:17,776 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d71e5d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:14:17, skipping insertion in model container 23.93/13.54 [2019-03-29 02:14:17,776 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.93/13.54 [2019-03-29 02:14:17,776 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:14:17" (3/5) ... 23.93/13.54 [2019-03-29 02:14:17,777 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d71e5d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:14:17, skipping insertion in model container 23.93/13.54 [2019-03-29 02:14:17,777 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.93/13.54 [2019-03-29 02:14:17,777 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:14:17" (4/5) ... 23.93/13.54 [2019-03-29 02:14:17,777 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d71e5d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:14:17, skipping insertion in model container 23.93/13.54 [2019-03-29 02:14:17,777 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 23.93/13.54 [2019-03-29 02:14:17,778 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:14:17" (5/5) ... 23.93/13.54 [2019-03-29 02:14:17,779 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 23.93/13.54 [2019-03-29 02:14:17,806 INFO L133 ementStrategyFactory]: Using default assertion order modulation 23.93/13.54 [2019-03-29 02:14:17,807 INFO L374 BuchiCegarLoop]: Interprodecural is true 23.93/13.54 [2019-03-29 02:14:17,807 INFO L375 BuchiCegarLoop]: Hoare is true 23.93/13.54 [2019-03-29 02:14:17,807 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 23.93/13.54 [2019-03-29 02:14:17,807 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 23.93/13.54 [2019-03-29 02:14:17,808 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 23.93/13.54 [2019-03-29 02:14:17,808 INFO L379 BuchiCegarLoop]: Difference is false 23.93/13.54 [2019-03-29 02:14:17,808 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 23.93/13.54 [2019-03-29 02:14:17,808 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 23.93/13.54 [2019-03-29 02:14:17,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 23.93/13.54 [2019-03-29 02:14:17,830 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 23.93/13.54 [2019-03-29 02:14:17,830 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 23.93/13.54 [2019-03-29 02:14:17,830 INFO L119 BuchiIsEmpty]: Starting construction of run 23.93/13.54 [2019-03-29 02:14:17,836 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 23.93/13.54 [2019-03-29 02:14:17,836 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 23.93/13.54 [2019-03-29 02:14:17,836 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 23.93/13.54 [2019-03-29 02:14:17,836 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 23.93/13.54 [2019-03-29 02:14:17,837 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 23.93/13.54 [2019-03-29 02:14:17,837 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 23.93/13.54 [2019-03-29 02:14:17,837 INFO L119 BuchiIsEmpty]: Starting construction of run 23.93/13.54 [2019-03-29 02:14:17,837 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 23.93/13.54 [2019-03-29 02:14:17,838 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 23.93/13.54 [2019-03-29 02:14:17,843 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [60] ULTIMATE.startENTRY-->L22-2: Formula: (and (<= v_ULTIMATE.start_main_~y~0_16 10000) (<= 0 (+ v_ULTIMATE.start_main_~x~0_14 10000)) (<= v_ULTIMATE.start_main_~z~0_12 10000) (<= v_ULTIMATE.start_main_~x~0_14 10000)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_16, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_14} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 5#L22-2true 23.93/13.54 [2019-03-29 02:14:17,843 INFO L796 eck$LassoCheckResult]: Loop: 5#L22-2true [48] L22-2-->L24-2: Formula: (and (<= 1 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 (- 1)))) InVars {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_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 4#L24-2true [58] L24-2-->L22-2: Formula: (and (= (+ v_ULTIMATE.start_main_~y~0_15 v_ULTIMATE.start_main_~x~0_13) v_ULTIMATE.start_main_~y~0_14) (<= v_ULTIMATE.start_main_~z~0_11 v_ULTIMATE.start_main_~y~0_15)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_15, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_14, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 5#L22-2true 23.93/13.54 [2019-03-29 02:14:17,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.93/13.54 [2019-03-29 02:14:17,849 INFO L82 PathProgramCache]: Analyzing trace with hash 91, now seen corresponding path program 1 times 23.93/13.54 [2019-03-29 02:14:17,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.93/13.54 [2019-03-29 02:14:17,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.93/13.54 [2019-03-29 02:14:17,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:17,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:17,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.54 [2019-03-29 02:14:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.54 [2019-03-29 02:14:17,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.93/13.54 [2019-03-29 02:14:17,925 INFO L82 PathProgramCache]: Analyzing trace with hash 2507, now seen corresponding path program 1 times 23.93/13.54 [2019-03-29 02:14:17,925 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.93/13.54 [2019-03-29 02:14:17,925 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.93/13.54 [2019-03-29 02:14:17,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:17,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:17,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.54 [2019-03-29 02:14:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.54 [2019-03-29 02:14:17,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.93/13.54 [2019-03-29 02:14:17,940 INFO L82 PathProgramCache]: Analyzing trace with hash 88997, now seen corresponding path program 1 times 23.93/13.54 [2019-03-29 02:14:17,940 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.93/13.54 [2019-03-29 02:14:17,940 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.93/13.54 [2019-03-29 02:14:17,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:17,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:17,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.54 [2019-03-29 02:14:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.54 [2019-03-29 02:14:18,007 INFO L216 LassoAnalysis]: Preferences: 23.93/13.54 [2019-03-29 02:14:18,008 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.93/13.54 [2019-03-29 02:14:18,009 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.93/13.54 [2019-03-29 02:14:18,009 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.93/13.54 [2019-03-29 02:14:18,009 INFO L127 ssoRankerPreferences]: Use exernal solver: true 23.93/13.54 [2019-03-29 02:14:18,009 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.93/13.54 [2019-03-29 02:14:18,009 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.93/13.54 [2019-03-29 02:14:18,009 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.93/13.54 [2019-03-29 02:14:18,010 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 23.93/13.54 [2019-03-29 02:14:18,010 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.93/13.54 [2019-03-29 02:14:18,010 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.93/13.54 [2019-03-29 02:14:18,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:18,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:18,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:18,152 INFO L300 LassoAnalysis]: Preprocessing complete. 23.93/13.54 [2019-03-29 02:14:18,152 INFO L412 LassoAnalysis]: Checking for nontermination... 23.93/13.54 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.93/13.54 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.93/13.54 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.93/13.54 [2019-03-29 02:14:18,160 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.93/13.54 [2019-03-29 02:14:18,160 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.93/13.54 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.93/13.54 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.93/13.54 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.93/13.54 [2019-03-29 02:14:18,196 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 23.93/13.54 [2019-03-29 02:14:18,196 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.93/13.54 [2019-03-29 02:14:20,456 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 23.93/13.54 [2019-03-29 02:14:20,459 INFO L216 LassoAnalysis]: Preferences: 23.93/13.54 [2019-03-29 02:14:20,459 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.93/13.54 [2019-03-29 02:14:20,459 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.93/13.54 [2019-03-29 02:14:20,459 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.93/13.54 [2019-03-29 02:14:20,459 INFO L127 ssoRankerPreferences]: Use exernal solver: false 23.93/13.54 [2019-03-29 02:14:20,459 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 23.93/13.54 [2019-03-29 02:14:20,460 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.93/13.54 [2019-03-29 02:14:20,460 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.93/13.54 [2019-03-29 02:14:20,460 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 23.93/13.54 [2019-03-29 02:14:20,460 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.93/13.54 [2019-03-29 02:14:20,460 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.93/13.54 [2019-03-29 02:14:20,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:20,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:20,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:20,566 INFO L300 LassoAnalysis]: Preprocessing complete. 23.93/13.54 [2019-03-29 02:14:20,572 INFO L497 LassoAnalysis]: Using template 'affine'. 23.93/13.54 [2019-03-29 02:14:20,574 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.93/13.54 Termination analysis: LINEAR_WITH_GUESSES 23.93/13.54 Number of strict supporting invariants: 0 23.93/13.54 Number of non-strict supporting invariants: 1 23.93/13.54 Consider only non-deceasing supporting invariants: true 23.93/13.54 Simplify termination arguments: true 23.93/13.54 Simplify supporting invariants: trueOverapproximate stem: false 23.93/13.54 [2019-03-29 02:14:20,576 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.93/13.54 [2019-03-29 02:14:20,576 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.93/13.54 [2019-03-29 02:14:20,577 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.93/13.54 [2019-03-29 02:14:20,577 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.93/13.54 [2019-03-29 02:14:20,577 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.93/13.54 [2019-03-29 02:14:20,580 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 23.93/13.54 [2019-03-29 02:14:20,581 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.93/13.54 [2019-03-29 02:14:20,594 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.93/13.54 [2019-03-29 02:14:20,594 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.93/13.54 Termination analysis: LINEAR_WITH_GUESSES 23.93/13.54 Number of strict supporting invariants: 0 23.93/13.54 Number of non-strict supporting invariants: 1 23.93/13.54 Consider only non-deceasing supporting invariants: true 23.93/13.54 Simplify termination arguments: true 23.93/13.54 Simplify supporting invariants: trueOverapproximate stem: false 23.93/13.54 [2019-03-29 02:14:20,595 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.93/13.54 [2019-03-29 02:14:20,595 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.93/13.54 [2019-03-29 02:14:20,596 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.93/13.54 [2019-03-29 02:14:20,596 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.93/13.54 [2019-03-29 02:14:20,599 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 23.93/13.54 [2019-03-29 02:14:20,599 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 23.93/13.54 [2019-03-29 02:14:20,604 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.93/13.54 [2019-03-29 02:14:20,605 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.93/13.54 Termination analysis: LINEAR_WITH_GUESSES 23.93/13.54 Number of strict supporting invariants: 0 23.93/13.54 Number of non-strict supporting invariants: 1 23.93/13.54 Consider only non-deceasing supporting invariants: true 23.93/13.54 Simplify termination arguments: true 23.93/13.54 Simplify supporting invariants: trueOverapproximate stem: false 23.93/13.54 [2019-03-29 02:14:20,606 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.93/13.54 [2019-03-29 02:14:20,606 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.93/13.54 [2019-03-29 02:14:20,606 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.93/13.54 [2019-03-29 02:14:20,606 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.93/13.54 [2019-03-29 02:14:20,609 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 23.93/13.54 [2019-03-29 02:14:20,609 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 23.93/13.54 [2019-03-29 02:14:20,616 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.93/13.54 [2019-03-29 02:14:20,616 INFO L497 LassoAnalysis]: Using template '2-nested'. 23.93/13.54 [2019-03-29 02:14:20,617 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.93/13.54 Termination analysis: LINEAR_WITH_GUESSES 23.93/13.54 Number of strict supporting invariants: 0 23.93/13.54 Number of non-strict supporting invariants: 1 23.93/13.54 Consider only non-deceasing supporting invariants: true 23.93/13.54 Simplify termination arguments: true 23.93/13.54 Simplify supporting invariants: trueOverapproximate stem: false 23.93/13.54 [2019-03-29 02:14:20,618 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.93/13.54 [2019-03-29 02:14:20,618 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.93/13.54 [2019-03-29 02:14:20,618 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.93/13.54 [2019-03-29 02:14:20,618 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.93/13.54 [2019-03-29 02:14:20,618 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 23.93/13.54 [2019-03-29 02:14:20,620 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 23.93/13.54 [2019-03-29 02:14:20,620 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.93/13.54 [2019-03-29 02:14:20,634 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 23.93/13.54 [2019-03-29 02:14:20,661 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. 23.93/13.54 [2019-03-29 02:14:20,662 INFO L444 ModelExtractionUtils]: 3 out of 9 variables were initially zero. Simplification set additionally 3 variables to zero. 23.93/13.54 [2019-03-29 02:14:20,664 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 23.93/13.54 [2019-03-29 02:14:20,664 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 23.93/13.54 [2019-03-29 02:14:20,664 INFO L518 LassoAnalysis]: Proved termination. 23.93/13.54 [2019-03-29 02:14:20,665 INFO L520 LassoAnalysis]: Termination argument consisting of: 23.93/13.54 Ranking function 2-nested ranking function: 23.93/13.54 f0 = 1*ULTIMATE.start_main_~x~0 23.93/13.54 f1 = 1*ULTIMATE.start_main_~y~0 23.93/13.54 Supporting invariants [] 23.93/13.54 [2019-03-29 02:14:20,667 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 23.93/13.54 [2019-03-29 02:14:20,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.93/13.54 [2019-03-29 02:14:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.93/13.54 [2019-03-29 02:14:20,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 23.93/13.54 [2019-03-29 02:14:20,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.93/13.54 [2019-03-29 02:14:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.93/13.54 [2019-03-29 02:14:20,720 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core 23.93/13.54 [2019-03-29 02:14:20,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.93/13.54 [2019-03-29 02:14:20,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 23.93/13.54 [2019-03-29 02:14:21,042 INFO L98 LoopCannibalizer]: 12 predicates before loop cannibalization 12 predicates after loop cannibalization 23.93/13.54 [2019-03-29 02:14:21,048 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 12 loop predicates 23.93/13.54 [2019-03-29 02:14:21,049 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 23.93/13.54 [2019-03-29 02:14:21,610 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 19 states and 30 transitions. Complement of second has 18 states. 23.93/13.54 [2019-03-29 02:14:21,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 8 non-accepting loop states 1 accepting loop states 23.93/13.54 [2019-03-29 02:14:21,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 23.93/13.54 [2019-03-29 02:14:21,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 19 transitions. 23.93/13.54 [2019-03-29 02:14:21,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 19 transitions. Stem has 1 letters. Loop has 2 letters. 23.93/13.54 [2019-03-29 02:14:21,617 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.93/13.54 [2019-03-29 02:14:21,617 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 19 transitions. Stem has 3 letters. Loop has 2 letters. 23.93/13.54 [2019-03-29 02:14:21,617 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.93/13.54 [2019-03-29 02:14:21,617 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 19 transitions. Stem has 1 letters. Loop has 4 letters. 23.93/13.54 [2019-03-29 02:14:21,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.93/13.54 [2019-03-29 02:14:21,625 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 30 transitions. 23.93/13.54 [2019-03-29 02:14:21,626 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 23.93/13.54 [2019-03-29 02:14:21,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 12 states and 18 transitions. 23.93/13.54 [2019-03-29 02:14:21,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 23.93/13.54 [2019-03-29 02:14:21,632 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 23.93/13.54 [2019-03-29 02:14:21,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 18 transitions. 23.93/13.54 [2019-03-29 02:14:21,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 23.93/13.54 [2019-03-29 02:14:21,633 INFO L706 BuchiCegarLoop]: Abstraction has 12 states and 18 transitions. 23.93/13.54 [2019-03-29 02:14:21,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 18 transitions. 23.93/13.54 [2019-03-29 02:14:21,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 7. 23.93/13.54 [2019-03-29 02:14:21,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 23.93/13.54 [2019-03-29 02:14:21,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 23.93/13.54 [2019-03-29 02:14:21,662 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 23.93/13.54 [2019-03-29 02:14:21,663 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 23.93/13.54 [2019-03-29 02:14:21,663 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 23.93/13.54 [2019-03-29 02:14:21,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. 23.93/13.54 [2019-03-29 02:14:21,663 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 23.93/13.54 [2019-03-29 02:14:21,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 23.93/13.54 [2019-03-29 02:14:21,664 INFO L119 BuchiIsEmpty]: Starting construction of run 23.93/13.54 [2019-03-29 02:14:21,664 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 23.93/13.54 [2019-03-29 02:14:21,664 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 23.93/13.54 [2019-03-29 02:14:21,665 INFO L794 eck$LassoCheckResult]: Stem: 97#ULTIMATE.startENTRY [60] ULTIMATE.startENTRY-->L22-2: Formula: (and (<= v_ULTIMATE.start_main_~y~0_16 10000) (<= 0 (+ v_ULTIMATE.start_main_~x~0_14 10000)) (<= v_ULTIMATE.start_main_~z~0_12 10000) (<= v_ULTIMATE.start_main_~x~0_14 10000)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_16, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_14} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 98#L22-2 [48] L22-2-->L24-2: Formula: (and (<= 1 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 (- 1)))) InVars {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_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 99#L24-2 [44] L24-2-->L24-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 1)) (< v_ULTIMATE.start_main_~y~0_10 v_ULTIMATE.start_main_~z~0_9) (= v_ULTIMATE.start_main_~z~0_8 (+ v_ULTIMATE.start_main_~z~0_9 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 100#L24-2 23.93/13.54 [2019-03-29 02:14:21,665 INFO L796 eck$LassoCheckResult]: Loop: 100#L24-2 [44] L24-2-->L24-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 1)) (< v_ULTIMATE.start_main_~y~0_10 v_ULTIMATE.start_main_~z~0_9) (= v_ULTIMATE.start_main_~z~0_8 (+ v_ULTIMATE.start_main_~z~0_9 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 100#L24-2 23.93/13.54 [2019-03-29 02:14:21,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.93/13.54 [2019-03-29 02:14:21,666 INFO L82 PathProgramCache]: Analyzing trace with hash 88983, now seen corresponding path program 1 times 23.93/13.54 [2019-03-29 02:14:21,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.93/13.54 [2019-03-29 02:14:21,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.93/13.54 [2019-03-29 02:14:21,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:21,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:21,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.54 [2019-03-29 02:14:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.54 [2019-03-29 02:14:21,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.93/13.54 [2019-03-29 02:14:21,678 INFO L82 PathProgramCache]: Analyzing trace with hash 75, now seen corresponding path program 1 times 23.93/13.54 [2019-03-29 02:14:21,678 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.93/13.54 [2019-03-29 02:14:21,678 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.93/13.54 [2019-03-29 02:14:21,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:21,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:21,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.54 [2019-03-29 02:14:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.54 [2019-03-29 02:14:21,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.93/13.54 [2019-03-29 02:14:21,685 INFO L82 PathProgramCache]: Analyzing trace with hash 2758517, now seen corresponding path program 2 times 23.93/13.54 [2019-03-29 02:14:21,685 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.93/13.54 [2019-03-29 02:14:21,685 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.93/13.54 [2019-03-29 02:14:21,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:21,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:21,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.54 [2019-03-29 02:14:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.54 [2019-03-29 02:14:21,711 INFO L216 LassoAnalysis]: Preferences: 23.93/13.54 [2019-03-29 02:14:21,711 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.93/13.54 [2019-03-29 02:14:21,711 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.93/13.54 [2019-03-29 02:14:21,711 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.93/13.54 [2019-03-29 02:14:21,711 INFO L127 ssoRankerPreferences]: Use exernal solver: true 23.93/13.54 [2019-03-29 02:14:21,711 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.93/13.54 [2019-03-29 02:14:21,712 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.93/13.54 [2019-03-29 02:14:21,712 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.93/13.54 [2019-03-29 02:14:21,712 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 23.93/13.54 [2019-03-29 02:14:21,712 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.93/13.54 [2019-03-29 02:14:21,713 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.93/13.54 [2019-03-29 02:14:21,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:21,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:21,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:21,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:21,764 INFO L300 LassoAnalysis]: Preprocessing complete. 23.93/13.54 [2019-03-29 02:14:21,764 INFO L412 LassoAnalysis]: Checking for nontermination... 23.93/13.54 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.93/13.54 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.93/13.54 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.93/13.54 [2019-03-29 02:14:21,769 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.93/13.54 [2019-03-29 02:14:21,770 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.93/13.54 [2019-03-29 02:14:21,800 INFO L445 LassoAnalysis]: Proved nontermination for one component. 23.93/13.54 [2019-03-29 02:14:21,800 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 23.93/13.54 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.93/13.54 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.93/13.54 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.93/13.54 [2019-03-29 02:14:21,806 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.93/13.54 [2019-03-29 02:14:21,807 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.93/13.54 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.93/13.54 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.93/13.54 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.93/13.54 [2019-03-29 02:14:21,841 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 23.93/13.54 [2019-03-29 02:14:21,841 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.93/13.54 [2019-03-29 02:14:22,106 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 23.93/13.54 [2019-03-29 02:14:22,108 INFO L216 LassoAnalysis]: Preferences: 23.93/13.54 [2019-03-29 02:14:22,109 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.93/13.54 [2019-03-29 02:14:22,109 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.93/13.54 [2019-03-29 02:14:22,109 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.93/13.54 [2019-03-29 02:14:22,110 INFO L127 ssoRankerPreferences]: Use exernal solver: false 23.93/13.54 [2019-03-29 02:14:22,110 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 23.93/13.54 [2019-03-29 02:14:22,110 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.93/13.54 [2019-03-29 02:14:22,110 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.93/13.54 [2019-03-29 02:14:22,110 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 23.93/13.54 [2019-03-29 02:14:22,110 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.93/13.54 [2019-03-29 02:14:22,110 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.93/13.54 [2019-03-29 02:14:22,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:22,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:22,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:22,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:22,184 INFO L300 LassoAnalysis]: Preprocessing complete. 23.93/13.54 [2019-03-29 02:14:22,184 INFO L497 LassoAnalysis]: Using template 'affine'. 23.93/13.54 [2019-03-29 02:14:22,184 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.93/13.54 Termination analysis: LINEAR_WITH_GUESSES 23.93/13.54 Number of strict supporting invariants: 0 23.93/13.54 Number of non-strict supporting invariants: 1 23.93/13.54 Consider only non-deceasing supporting invariants: true 23.93/13.54 Simplify termination arguments: true 23.93/13.54 Simplify supporting invariants: trueOverapproximate stem: false 23.93/13.54 [2019-03-29 02:14:22,185 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.93/13.54 [2019-03-29 02:14:22,186 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.93/13.54 [2019-03-29 02:14:22,186 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.93/13.54 [2019-03-29 02:14:22,186 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.93/13.54 [2019-03-29 02:14:22,188 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 23.93/13.54 [2019-03-29 02:14:22,188 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 23.93/13.54 [2019-03-29 02:14:22,192 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.93/13.54 [2019-03-29 02:14:22,192 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.93/13.54 Termination analysis: LINEAR_WITH_GUESSES 23.93/13.54 Number of strict supporting invariants: 0 23.93/13.54 Number of non-strict supporting invariants: 1 23.93/13.54 Consider only non-deceasing supporting invariants: true 23.93/13.54 Simplify termination arguments: true 23.93/13.54 Simplify supporting invariants: trueOverapproximate stem: false 23.93/13.54 [2019-03-29 02:14:22,193 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.93/13.54 [2019-03-29 02:14:22,193 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.93/13.54 [2019-03-29 02:14:22,193 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.93/13.54 [2019-03-29 02:14:22,193 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.93/13.54 [2019-03-29 02:14:22,194 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.93/13.54 [2019-03-29 02:14:22,194 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 23.93/13.54 [2019-03-29 02:14:22,194 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.93/13.54 [2019-03-29 02:14:22,198 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 23.93/13.54 [2019-03-29 02:14:22,202 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 23.93/13.54 [2019-03-29 02:14:22,203 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 23.93/13.54 [2019-03-29 02:14:22,203 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 23.93/13.54 [2019-03-29 02:14:22,203 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 23.93/13.54 [2019-03-29 02:14:22,203 INFO L518 LassoAnalysis]: Proved termination. 23.93/13.54 [2019-03-29 02:14:22,204 INFO L520 LassoAnalysis]: Termination argument consisting of: 23.93/13.54 Ranking function f(ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~z~0 - 1*ULTIMATE.start_main_~y~0 23.93/13.54 Supporting invariants [] 23.93/13.54 [2019-03-29 02:14:22,204 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 23.93/13.54 [2019-03-29 02:14:22,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.93/13.54 [2019-03-29 02:14:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.93/13.54 [2019-03-29 02:14:22,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core 23.93/13.54 [2019-03-29 02:14:22,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.93/13.54 [2019-03-29 02:14:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.93/13.54 [2019-03-29 02:14:22,226 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 23.93/13.54 [2019-03-29 02:14:22,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.93/13.54 [2019-03-29 02:14:22,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 23.93/13.54 [2019-03-29 02:14:22,227 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 23.93/13.54 [2019-03-29 02:14:22,228 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 23.93/13.54 [2019-03-29 02:14:22,228 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 2 states. 23.93/13.54 [2019-03-29 02:14:22,235 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 10 states and 15 transitions. Complement of second has 2 states. 23.93/13.54 [2019-03-29 02:14:22,235 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 23.93/13.54 [2019-03-29 02:14:22,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 23.93/13.54 [2019-03-29 02:14:22,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 6 transitions. 23.93/13.54 [2019-03-29 02:14:22,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 1 letters. 23.93/13.54 [2019-03-29 02:14:22,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.93/13.54 [2019-03-29 02:14:22,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 4 letters. Loop has 1 letters. 23.93/13.54 [2019-03-29 02:14:22,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.93/13.54 [2019-03-29 02:14:22,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. 23.93/13.54 [2019-03-29 02:14:22,238 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.93/13.54 [2019-03-29 02:14:22,239 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 15 transitions. 23.93/13.54 [2019-03-29 02:14:22,240 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 23.93/13.54 [2019-03-29 02:14:22,240 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 15 transitions. 23.93/13.54 [2019-03-29 02:14:22,240 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 23.93/13.54 [2019-03-29 02:14:22,241 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 23.93/13.54 [2019-03-29 02:14:22,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 15 transitions. 23.93/13.54 [2019-03-29 02:14:22,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 23.93/13.54 [2019-03-29 02:14:22,241 INFO L706 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. 23.93/13.54 [2019-03-29 02:14:22,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 15 transitions. 23.93/13.54 [2019-03-29 02:14:22,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. 23.93/13.54 [2019-03-29 02:14:22,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. 23.93/13.54 [2019-03-29 02:14:22,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. 23.93/13.54 [2019-03-29 02:14:22,243 INFO L729 BuchiCegarLoop]: Abstraction has 9 states and 14 transitions. 23.93/13.54 [2019-03-29 02:14:22,243 INFO L609 BuchiCegarLoop]: Abstraction has 9 states and 14 transitions. 23.93/13.54 [2019-03-29 02:14:22,243 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 23.93/13.54 [2019-03-29 02:14:22,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 14 transitions. 23.93/13.54 [2019-03-29 02:14:22,244 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 23.93/13.54 [2019-03-29 02:14:22,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 23.93/13.54 [2019-03-29 02:14:22,244 INFO L119 BuchiIsEmpty]: Starting construction of run 23.93/13.54 [2019-03-29 02:14:22,244 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 23.93/13.54 [2019-03-29 02:14:22,244 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 23.93/13.54 [2019-03-29 02:14:22,245 INFO L794 eck$LassoCheckResult]: Stem: 142#ULTIMATE.startENTRY [60] ULTIMATE.startENTRY-->L22-2: Formula: (and (<= v_ULTIMATE.start_main_~y~0_16 10000) (<= 0 (+ v_ULTIMATE.start_main_~x~0_14 10000)) (<= v_ULTIMATE.start_main_~z~0_12 10000) (<= v_ULTIMATE.start_main_~x~0_14 10000)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_16, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_14} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 143#L22-2 [48] L22-2-->L24-2: Formula: (and (<= 1 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 (- 1)))) InVars {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_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 144#L24-2 [44] L24-2-->L24-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 1)) (< v_ULTIMATE.start_main_~y~0_10 v_ULTIMATE.start_main_~z~0_9) (= v_ULTIMATE.start_main_~z~0_8 (+ v_ULTIMATE.start_main_~z~0_9 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 145#L24-2 23.93/13.54 [2019-03-29 02:14:22,245 INFO L796 eck$LassoCheckResult]: Loop: 145#L24-2 [58] L24-2-->L22-2: Formula: (and (= (+ v_ULTIMATE.start_main_~y~0_15 v_ULTIMATE.start_main_~x~0_13) v_ULTIMATE.start_main_~y~0_14) (<= v_ULTIMATE.start_main_~z~0_11 v_ULTIMATE.start_main_~y~0_15)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_15, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_14, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 147#L22-2 [48] L22-2-->L24-2: Formula: (and (<= 1 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 (- 1)))) InVars {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_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 148#L24-2 [44] L24-2-->L24-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 1)) (< v_ULTIMATE.start_main_~y~0_10 v_ULTIMATE.start_main_~z~0_9) (= v_ULTIMATE.start_main_~z~0_8 (+ v_ULTIMATE.start_main_~z~0_9 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 145#L24-2 23.93/13.54 [2019-03-29 02:14:22,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.93/13.54 [2019-03-29 02:14:22,245 INFO L82 PathProgramCache]: Analyzing trace with hash 88983, now seen corresponding path program 3 times 23.93/13.54 [2019-03-29 02:14:22,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.93/13.54 [2019-03-29 02:14:22,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.93/13.54 [2019-03-29 02:14:22,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:22,247 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:22,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.54 [2019-03-29 02:14:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.54 [2019-03-29 02:14:22,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.93/13.54 [2019-03-29 02:14:22,255 INFO L82 PathProgramCache]: Analyzing trace with hash 87061, now seen corresponding path program 1 times 23.93/13.54 [2019-03-29 02:14:22,255 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.93/13.54 [2019-03-29 02:14:22,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.93/13.54 [2019-03-29 02:14:22,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:22,257 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:22,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.54 [2019-03-29 02:14:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.54 [2019-03-29 02:14:22,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.93/13.54 [2019-03-29 02:14:22,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1644017473, now seen corresponding path program 1 times 23.93/13.54 [2019-03-29 02:14:22,265 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.93/13.54 [2019-03-29 02:14:22,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.93/13.54 [2019-03-29 02:14:22,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:22,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:22,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.54 [2019-03-29 02:14:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.54 [2019-03-29 02:14:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.54 [2019-03-29 02:14:22,344 INFO L216 LassoAnalysis]: Preferences: 23.93/13.54 [2019-03-29 02:14:22,344 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.93/13.54 [2019-03-29 02:14:22,345 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.93/13.54 [2019-03-29 02:14:22,345 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.93/13.54 [2019-03-29 02:14:22,345 INFO L127 ssoRankerPreferences]: Use exernal solver: true 23.93/13.54 [2019-03-29 02:14:22,345 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.93/13.54 [2019-03-29 02:14:22,345 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.93/13.54 [2019-03-29 02:14:22,345 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.93/13.54 [2019-03-29 02:14:22,345 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 23.93/13.54 [2019-03-29 02:14:22,345 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.93/13.54 [2019-03-29 02:14:22,346 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.93/13.54 [2019-03-29 02:14:22,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:22,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:22,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:22,434 INFO L300 LassoAnalysis]: Preprocessing complete. 23.93/13.54 [2019-03-29 02:14:22,434 INFO L412 LassoAnalysis]: Checking for nontermination... 23.93/13.54 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.93/13.54 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.93/13.54 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.93/13.54 [2019-03-29 02:14:22,439 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.93/13.54 [2019-03-29 02:14:22,439 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.93/13.54 [2019-03-29 02:14:22,467 INFO L445 LassoAnalysis]: Proved nontermination for one component. 23.93/13.54 [2019-03-29 02:14:22,467 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 23.93/13.54 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.93/13.54 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.93/13.54 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.93/13.54 [2019-03-29 02:14:22,474 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.93/13.54 [2019-03-29 02:14:22,474 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.93/13.54 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.93/13.54 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.93/13.54 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.93/13.54 [2019-03-29 02:14:22,507 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 23.93/13.54 [2019-03-29 02:14:22,507 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.93/13.54 [2019-03-29 02:14:22,721 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 23.93/13.54 [2019-03-29 02:14:22,724 INFO L216 LassoAnalysis]: Preferences: 23.93/13.54 [2019-03-29 02:14:22,724 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.93/13.54 [2019-03-29 02:14:22,724 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.93/13.54 [2019-03-29 02:14:22,724 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.93/13.54 [2019-03-29 02:14:22,725 INFO L127 ssoRankerPreferences]: Use exernal solver: false 23.93/13.54 [2019-03-29 02:14:22,725 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 23.93/13.54 [2019-03-29 02:14:22,725 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.93/13.54 [2019-03-29 02:14:22,725 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.93/13.54 [2019-03-29 02:14:22,725 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 23.93/13.54 [2019-03-29 02:14:22,725 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.93/13.54 [2019-03-29 02:14:22,725 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.93/13.54 [2019-03-29 02:14:22,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:22,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:22,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.54 [2019-03-29 02:14:22,796 INFO L300 LassoAnalysis]: Preprocessing complete. 23.93/13.54 [2019-03-29 02:14:22,797 INFO L497 LassoAnalysis]: Using template 'affine'. 23.93/13.54 [2019-03-29 02:14:22,797 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.93/13.54 Termination analysis: LINEAR_WITH_GUESSES 23.93/13.54 Number of strict supporting invariants: 0 23.93/13.54 Number of non-strict supporting invariants: 1 23.93/13.54 Consider only non-deceasing supporting invariants: true 23.93/13.54 Simplify termination arguments: true 23.93/13.54 Simplify supporting invariants: trueOverapproximate stem: false 23.93/13.54 [2019-03-29 02:14:22,798 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.93/13.54 [2019-03-29 02:14:22,798 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.93/13.54 [2019-03-29 02:14:22,798 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.93/13.54 [2019-03-29 02:14:22,798 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.93/13.54 [2019-03-29 02:14:22,800 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 23.93/13.54 [2019-03-29 02:14:22,800 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 23.93/13.54 [2019-03-29 02:14:22,805 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.93/13.54 [2019-03-29 02:14:22,805 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.93/13.54 Termination analysis: LINEAR_WITH_GUESSES 23.93/13.54 Number of strict supporting invariants: 0 23.93/13.54 Number of non-strict supporting invariants: 1 23.93/13.54 Consider only non-deceasing supporting invariants: true 23.93/13.54 Simplify termination arguments: true 23.93/13.54 Simplify supporting invariants: trueOverapproximate stem: false 23.93/13.54 [2019-03-29 02:14:22,806 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.93/13.54 [2019-03-29 02:14:22,806 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.93/13.54 [2019-03-29 02:14:22,806 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.93/13.54 [2019-03-29 02:14:22,806 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.93/13.54 [2019-03-29 02:14:22,806 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.93/13.54 [2019-03-29 02:14:22,807 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 23.93/13.54 [2019-03-29 02:14:22,807 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.93/13.54 [2019-03-29 02:14:22,814 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 23.93/13.54 [2019-03-29 02:14:22,819 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 23.93/13.54 [2019-03-29 02:14:22,819 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 23.93/13.54 [2019-03-29 02:14:22,819 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 23.93/13.54 [2019-03-29 02:14:22,820 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 23.93/13.54 [2019-03-29 02:14:22,820 INFO L518 LassoAnalysis]: Proved termination. 23.93/13.54 [2019-03-29 02:14:22,820 INFO L520 LassoAnalysis]: Termination argument consisting of: 23.93/13.54 Ranking function f(ULTIMATE.start_main_~z~0) = 1*ULTIMATE.start_main_~z~0 23.93/13.54 Supporting invariants [] 23.93/13.54 [2019-03-29 02:14:22,820 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 23.93/13.54 [2019-03-29 02:14:22,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.93/13.54 [2019-03-29 02:14:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.93/13.54 [2019-03-29 02:14:22,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core 23.93/13.54 [2019-03-29 02:14:22,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.93/13.54 [2019-03-29 02:14:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.93/13.54 [2019-03-29 02:14:22,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core 23.93/13.54 [2019-03-29 02:14:22,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.93/13.54 [2019-03-29 02:14:22,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 23.93/13.54 [2019-03-29 02:14:22,872 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 23.93/13.54 [2019-03-29 02:14:22,872 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 23.93/13.54 [2019-03-29 02:14:22,873 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 9 states and 14 transitions. cyclomatic complexity: 7 Second operand 4 states. 23.93/13.54 [2019-03-29 02:14:22,903 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 9 states and 14 transitions. cyclomatic complexity: 7. Second operand 4 states. Result 18 states and 33 transitions. Complement of second has 12 states. 23.93/13.54 [2019-03-29 02:14:22,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 2 accepting loop states 23.93/13.54 [2019-03-29 02:14:22,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 23.93/13.54 [2019-03-29 02:14:22,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. 23.93/13.54 [2019-03-29 02:14:22,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 3 letters. Loop has 3 letters. 23.93/13.54 [2019-03-29 02:14:22,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.93/13.54 [2019-03-29 02:14:22,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 6 letters. Loop has 3 letters. 23.93/13.54 [2019-03-29 02:14:22,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.93/13.54 [2019-03-29 02:14:22,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 3 letters. Loop has 6 letters. 23.93/13.54 [2019-03-29 02:14:22,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.93/13.54 [2019-03-29 02:14:22,907 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 33 transitions. 23.93/13.54 [2019-03-29 02:14:22,908 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 23.93/13.54 [2019-03-29 02:14:22,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 33 transitions. 23.93/13.54 [2019-03-29 02:14:22,911 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 23.93/13.54 [2019-03-29 02:14:22,912 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 23.93/13.54 [2019-03-29 02:14:22,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 33 transitions. 23.93/13.54 [2019-03-29 02:14:22,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 23.93/13.54 [2019-03-29 02:14:22,912 INFO L706 BuchiCegarLoop]: Abstraction has 18 states and 33 transitions. 23.93/13.54 [2019-03-29 02:14:22,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 33 transitions. 23.93/13.55 [2019-03-29 02:14:22,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 13. 23.93/13.55 [2019-03-29 02:14:22,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. 23.93/13.55 [2019-03-29 02:14:22,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 24 transitions. 23.93/13.55 [2019-03-29 02:14:22,915 INFO L729 BuchiCegarLoop]: Abstraction has 13 states and 24 transitions. 23.93/13.55 [2019-03-29 02:14:22,915 INFO L609 BuchiCegarLoop]: Abstraction has 13 states and 24 transitions. 23.93/13.55 [2019-03-29 02:14:22,915 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 23.93/13.55 [2019-03-29 02:14:22,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 24 transitions. 23.93/13.55 [2019-03-29 02:14:22,916 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 23.93/13.55 [2019-03-29 02:14:22,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 23.93/13.55 [2019-03-29 02:14:22,916 INFO L119 BuchiIsEmpty]: Starting construction of run 23.93/13.55 [2019-03-29 02:14:22,917 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] 23.93/13.55 [2019-03-29 02:14:22,917 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 23.93/13.55 [2019-03-29 02:14:22,917 INFO L794 eck$LassoCheckResult]: Stem: 221#ULTIMATE.startENTRY [60] ULTIMATE.startENTRY-->L22-2: Formula: (and (<= v_ULTIMATE.start_main_~y~0_16 10000) (<= 0 (+ v_ULTIMATE.start_main_~x~0_14 10000)) (<= v_ULTIMATE.start_main_~z~0_12 10000) (<= v_ULTIMATE.start_main_~x~0_14 10000)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_16, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_12, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_14} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 222#L22-2 [48] L22-2-->L24-2: Formula: (and (<= 1 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 (- 1)))) InVars {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_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 226#L24-2 [44] L24-2-->L24-2: Formula: (and (= v_ULTIMATE.start_main_~x~0_9 (+ v_ULTIMATE.start_main_~x~0_10 1)) (< v_ULTIMATE.start_main_~y~0_10 v_ULTIMATE.start_main_~z~0_9) (= v_ULTIMATE.start_main_~z~0_8 (+ v_ULTIMATE.start_main_~z~0_9 (- 1)))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 231#L24-2 [58] L24-2-->L22-2: Formula: (and (= (+ v_ULTIMATE.start_main_~y~0_15 v_ULTIMATE.start_main_~x~0_13) v_ULTIMATE.start_main_~y~0_14) (<= v_ULTIMATE.start_main_~z~0_11 v_ULTIMATE.start_main_~y~0_15)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_15, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_14, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 224#L22-2 23.93/13.55 [2019-03-29 02:14:22,918 INFO L796 eck$LassoCheckResult]: Loop: 224#L22-2 [48] L22-2-->L24-2: Formula: (and (<= 1 v_ULTIMATE.start_main_~y~0_8) (= v_ULTIMATE.start_main_~x~0_7 (+ v_ULTIMATE.start_main_~x~0_8 (- 1)))) InVars {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_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 223#L24-2 [58] L24-2-->L22-2: Formula: (and (= (+ v_ULTIMATE.start_main_~y~0_15 v_ULTIMATE.start_main_~x~0_13) v_ULTIMATE.start_main_~y~0_14) (<= v_ULTIMATE.start_main_~z~0_11 v_ULTIMATE.start_main_~y~0_15)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_15, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_14, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_11, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 224#L22-2 23.93/13.55 [2019-03-29 02:14:22,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.93/13.55 [2019-03-29 02:14:22,919 INFO L82 PathProgramCache]: Analyzing trace with hash 2758531, now seen corresponding path program 2 times 23.93/13.55 [2019-03-29 02:14:22,919 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.93/13.55 [2019-03-29 02:14:22,920 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.93/13.55 [2019-03-29 02:14:22,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.55 [2019-03-29 02:14:22,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 23.93/13.55 [2019-03-29 02:14:22,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.55 [2019-03-29 02:14:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.55 [2019-03-29 02:14:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.55 [2019-03-29 02:14:22,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.93/13.55 [2019-03-29 02:14:22,931 INFO L82 PathProgramCache]: Analyzing trace with hash 2507, now seen corresponding path program 2 times 23.93/13.55 [2019-03-29 02:14:22,931 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.93/13.55 [2019-03-29 02:14:22,931 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.93/13.55 [2019-03-29 02:14:22,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.55 [2019-03-29 02:14:22,932 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 23.93/13.55 [2019-03-29 02:14:22,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.55 [2019-03-29 02:14:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.55 [2019-03-29 02:14:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.55 [2019-03-29 02:14:22,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.93/13.55 [2019-03-29 02:14:22,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1644017459, now seen corresponding path program 3 times 23.93/13.55 [2019-03-29 02:14:22,937 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 23.93/13.55 [2019-03-29 02:14:22,937 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 23.93/13.55 [2019-03-29 02:14:22,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.55 [2019-03-29 02:14:22,939 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 23.93/13.55 [2019-03-29 02:14:22,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 23.93/13.55 [2019-03-29 02:14:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.55 [2019-03-29 02:14:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 23.93/13.55 [2019-03-29 02:14:22,967 INFO L216 LassoAnalysis]: Preferences: 23.93/13.55 [2019-03-29 02:14:22,968 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.93/13.55 [2019-03-29 02:14:22,968 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.93/13.55 [2019-03-29 02:14:22,968 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.93/13.55 [2019-03-29 02:14:22,968 INFO L127 ssoRankerPreferences]: Use exernal solver: true 23.93/13.55 [2019-03-29 02:14:22,968 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.93/13.55 [2019-03-29 02:14:22,968 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.93/13.55 [2019-03-29 02:14:22,968 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.93/13.55 [2019-03-29 02:14:22,969 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 23.93/13.55 [2019-03-29 02:14:22,969 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.93/13.55 [2019-03-29 02:14:22,969 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.93/13.55 [2019-03-29 02:14:22,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.55 [2019-03-29 02:14:22,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.55 [2019-03-29 02:14:22,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.55 [2019-03-29 02:14:23,050 INFO L300 LassoAnalysis]: Preprocessing complete. 23.93/13.55 [2019-03-29 02:14:23,051 INFO L412 LassoAnalysis]: Checking for nontermination... 23.93/13.55 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.93/13.55 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.93/13.55 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.93/13.55 [2019-03-29 02:14:23,058 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 23.93/13.55 [2019-03-29 02:14:23,058 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.93/13.55 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 23.93/13.55 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 23.93/13.55 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 23.93/13.55 [2019-03-29 02:14:23,091 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 23.93/13.55 [2019-03-29 02:14:23,092 INFO L163 nArgumentSynthesizer]: Using integer mode. 23.93/13.55 [2019-03-29 02:14:25,320 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 23.93/13.55 [2019-03-29 02:14:25,324 INFO L216 LassoAnalysis]: Preferences: 23.93/13.55 [2019-03-29 02:14:25,324 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 23.93/13.55 [2019-03-29 02:14:25,324 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 23.93/13.55 [2019-03-29 02:14:25,324 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 23.93/13.55 [2019-03-29 02:14:25,324 INFO L127 ssoRankerPreferences]: Use exernal solver: false 23.93/13.55 [2019-03-29 02:14:25,325 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 23.93/13.55 [2019-03-29 02:14:25,325 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 23.93/13.55 [2019-03-29 02:14:25,325 INFO L130 ssoRankerPreferences]: Path of dumped script: 23.93/13.55 [2019-03-29 02:14:25,325 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 23.93/13.55 [2019-03-29 02:14:25,325 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 23.93/13.55 [2019-03-29 02:14:25,325 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 23.93/13.55 [2019-03-29 02:14:25,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.55 [2019-03-29 02:14:25,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.55 [2019-03-29 02:14:25,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 23.93/13.55 [2019-03-29 02:14:25,373 INFO L300 LassoAnalysis]: Preprocessing complete. 23.93/13.55 [2019-03-29 02:14:25,373 INFO L497 LassoAnalysis]: Using template 'affine'. 23.93/13.55 [2019-03-29 02:14:25,374 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.93/13.55 Termination analysis: LINEAR_WITH_GUESSES 23.93/13.55 Number of strict supporting invariants: 0 23.93/13.55 Number of non-strict supporting invariants: 1 23.93/13.55 Consider only non-deceasing supporting invariants: true 23.93/13.55 Simplify termination arguments: true 23.93/13.55 Simplify supporting invariants: trueOverapproximate stem: false 23.93/13.55 [2019-03-29 02:14:25,374 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.93/13.55 [2019-03-29 02:14:25,375 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.93/13.55 [2019-03-29 02:14:25,375 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.93/13.55 [2019-03-29 02:14:25,375 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.93/13.55 [2019-03-29 02:14:25,375 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.93/13.55 [2019-03-29 02:14:25,376 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 23.93/13.55 [2019-03-29 02:14:25,376 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.93/13.55 [2019-03-29 02:14:25,380 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.93/13.55 [2019-03-29 02:14:25,381 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.93/13.55 Termination analysis: LINEAR_WITH_GUESSES 23.93/13.55 Number of strict supporting invariants: 0 23.93/13.55 Number of non-strict supporting invariants: 1 23.93/13.55 Consider only non-deceasing supporting invariants: true 23.93/13.55 Simplify termination arguments: true 23.93/13.55 Simplify supporting invariants: trueOverapproximate stem: false 23.93/13.55 [2019-03-29 02:14:25,381 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.93/13.55 [2019-03-29 02:14:25,382 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.93/13.55 [2019-03-29 02:14:25,382 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.93/13.55 [2019-03-29 02:14:25,382 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.93/13.55 [2019-03-29 02:14:25,383 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 23.93/13.55 [2019-03-29 02:14:25,383 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 23.93/13.55 [2019-03-29 02:14:25,387 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.93/13.55 [2019-03-29 02:14:25,387 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.93/13.55 Termination analysis: LINEAR_WITH_GUESSES 23.93/13.55 Number of strict supporting invariants: 0 23.93/13.55 Number of non-strict supporting invariants: 1 23.93/13.55 Consider only non-deceasing supporting invariants: true 23.93/13.55 Simplify termination arguments: true 23.93/13.55 Simplify supporting invariants: trueOverapproximate stem: false 23.93/13.55 [2019-03-29 02:14:25,388 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.93/13.55 [2019-03-29 02:14:25,388 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.93/13.55 [2019-03-29 02:14:25,388 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.93/13.55 [2019-03-29 02:14:25,388 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 23.93/13.55 [2019-03-29 02:14:25,389 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 23.93/13.55 [2019-03-29 02:14:25,390 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 23.93/13.55 [2019-03-29 02:14:25,392 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 23.93/13.55 [2019-03-29 02:14:25,392 INFO L497 LassoAnalysis]: Using template '2-nested'. 23.93/13.55 [2019-03-29 02:14:25,393 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 23.93/13.55 Termination analysis: LINEAR_WITH_GUESSES 23.93/13.55 Number of strict supporting invariants: 0 23.93/13.55 Number of non-strict supporting invariants: 1 23.93/13.55 Consider only non-deceasing supporting invariants: true 23.93/13.55 Simplify termination arguments: true 23.93/13.55 Simplify supporting invariants: trueOverapproximate stem: false 23.93/13.55 [2019-03-29 02:14:25,393 INFO L339 nArgumentSynthesizer]: Template has degree 0. 23.93/13.55 [2019-03-29 02:14:25,393 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 23.93/13.55 [2019-03-29 02:14:25,394 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 23.93/13.55 [2019-03-29 02:14:25,394 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 23.93/13.55 [2019-03-29 02:14:25,394 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 23.93/13.55 [2019-03-29 02:14:25,395 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 23.93/13.55 [2019-03-29 02:14:25,395 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 23.93/13.55 [2019-03-29 02:14:25,401 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 23.93/13.55 [2019-03-29 02:14:25,411 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. 23.93/13.55 [2019-03-29 02:14:25,411 INFO L444 ModelExtractionUtils]: 3 out of 9 variables were initially zero. Simplification set additionally 3 variables to zero. 23.93/13.55 [2019-03-29 02:14:25,411 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 23.93/13.55 [2019-03-29 02:14:25,412 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 23.93/13.55 [2019-03-29 02:14:25,412 INFO L518 LassoAnalysis]: Proved termination. 23.93/13.55 [2019-03-29 02:14:25,412 INFO L520 LassoAnalysis]: Termination argument consisting of: 23.93/13.55 Ranking function 2-nested ranking function: 23.93/13.55 f0 = 1*ULTIMATE.start_main_~x~0 23.93/13.55 f1 = 1*ULTIMATE.start_main_~y~0 23.93/13.55 Supporting invariants [] 23.93/13.55 [2019-03-29 02:14:25,413 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 23.93/13.55 [2019-03-29 02:14:25,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 23.93/13.55 [2019-03-29 02:14:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.93/13.55 [2019-03-29 02:14:25,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core 23.93/13.55 [2019-03-29 02:14:25,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.93/13.55 [2019-03-29 02:14:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 23.93/13.55 [2019-03-29 02:14:25,441 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core 23.93/13.55 [2019-03-29 02:14:25,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... 23.93/13.55 [2019-03-29 02:14:25,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 23.93/13.55 [2019-03-29 02:14:25,621 INFO L98 LoopCannibalizer]: 12 predicates before loop cannibalization 12 predicates after loop cannibalization 23.93/13.55 [2019-03-29 02:14:25,621 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 12 loop predicates 23.93/13.55 [2019-03-29 02:14:25,622 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 13 states and 24 transitions. cyclomatic complexity: 15 Second operand 3 states. 23.93/13.55 [2019-03-29 02:14:26,071 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 13 states and 24 transitions. cyclomatic complexity: 15. Second operand 3 states. Result 128 states and 219 transitions. Complement of second has 46 states. 23.93/13.55 [2019-03-29 02:14:26,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 1 stem states 8 non-accepting loop states 1 accepting loop states 23.93/13.55 [2019-03-29 02:14:26,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 23.93/13.55 [2019-03-29 02:14:26,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 19 transitions. 23.93/13.55 [2019-03-29 02:14:26,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. 23.93/13.55 [2019-03-29 02:14:26,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.93/13.55 [2019-03-29 02:14:26,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 19 transitions. Stem has 6 letters. Loop has 2 letters. 23.93/13.55 [2019-03-29 02:14:26,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.93/13.55 [2019-03-29 02:14:26,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 19 transitions. Stem has 4 letters. Loop has 4 letters. 23.93/13.55 [2019-03-29 02:14:26,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. 23.93/13.55 [2019-03-29 02:14:26,075 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 128 states and 219 transitions. 23.93/13.55 [2019-03-29 02:14:26,081 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 23.93/13.55 [2019-03-29 02:14:26,081 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 128 states to 0 states and 0 transitions. 23.93/13.55 [2019-03-29 02:14:26,081 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 23.93/13.55 [2019-03-29 02:14:26,081 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 23.93/13.55 [2019-03-29 02:14:26,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 23.93/13.55 [2019-03-29 02:14:26,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 23.93/13.55 [2019-03-29 02:14:26,082 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 23.93/13.55 [2019-03-29 02:14:26,082 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 23.93/13.55 [2019-03-29 02:14:26,082 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 23.93/13.55 [2019-03-29 02:14:26,082 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 23.93/13.55 [2019-03-29 02:14:26,082 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 23.93/13.55 [2019-03-29 02:14:26,082 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 23.93/13.55 [2019-03-29 02:14:26,083 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 23.93/13.55 [2019-03-29 02:14:26,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:14:26 BasicIcfg 23.93/13.55 [2019-03-29 02:14:26,089 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 23.93/13.55 [2019-03-29 02:14:26,089 INFO L168 Benchmark]: Toolchain (without parser) took 9154.10 ms. Allocated memory was 649.6 MB in the beginning and 746.1 MB in the end (delta: 96.5 MB). Free memory was 563.9 MB in the beginning and 442.3 MB in the end (delta: 121.5 MB). Peak memory consumption was 218.0 MB. Max. memory is 50.3 GB. 23.93/13.55 [2019-03-29 02:14:26,091 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 23.93/13.55 [2019-03-29 02:14:26,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.07 ms. Allocated memory was 649.6 MB in the beginning and 681.1 MB in the end (delta: 31.5 MB). Free memory was 563.9 MB in the beginning and 647.4 MB in the end (delta: -83.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 23.93/13.55 [2019-03-29 02:14:26,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.49 ms. Allocated memory is still 681.1 MB. Free memory was 647.4 MB in the beginning and 646.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 23.93/13.55 [2019-03-29 02:14:26,093 INFO L168 Benchmark]: Boogie Preprocessor took 20.91 ms. Allocated memory is still 681.1 MB. Free memory was 646.1 MB in the beginning and 644.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 23.93/13.55 [2019-03-29 02:14:26,093 INFO L168 Benchmark]: RCFGBuilder took 233.42 ms. Allocated memory is still 681.1 MB. Free memory was 644.7 MB in the beginning and 627.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 50.3 GB. 23.93/13.55 [2019-03-29 02:14:26,094 INFO L168 Benchmark]: BlockEncodingV2 took 86.50 ms. Allocated memory is still 681.1 MB. Free memory was 627.6 MB in the beginning and 622.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 23.93/13.55 [2019-03-29 02:14:26,094 INFO L168 Benchmark]: TraceAbstraction took 158.48 ms. Allocated memory is still 681.1 MB. Free memory was 622.2 MB in the beginning and 612.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 23.93/13.55 [2019-03-29 02:14:26,095 INFO L168 Benchmark]: BuchiAutomizer took 8318.86 ms. Allocated memory was 681.1 MB in the beginning and 746.1 MB in the end (delta: 65.0 MB). Free memory was 612.8 MB in the beginning and 442.3 MB in the end (delta: 170.5 MB). Peak memory consumption was 235.5 MB. Max. memory is 50.3 GB. 23.93/13.55 [2019-03-29 02:14:26,099 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 23.93/13.55 --- Results --- 23.93/13.55 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 23.93/13.55 - StatisticsResult: Initial Icfg 23.93/13.55 9 locations, 13 edges 23.93/13.55 - StatisticsResult: Encoded RCFG 23.93/13.55 3 locations, 4 edges 23.93/13.55 * Results from de.uni_freiburg.informatik.ultimate.core: 23.93/13.55 - StatisticsResult: Toolchain Benchmarks 23.93/13.55 Benchmark results are: 23.93/13.55 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 23.93/13.55 * CACSL2BoogieTranslator took 293.07 ms. Allocated memory was 649.6 MB in the beginning and 681.1 MB in the end (delta: 31.5 MB). Free memory was 563.9 MB in the beginning and 647.4 MB in the end (delta: -83.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 50.3 GB. 23.93/13.55 * Boogie Procedure Inliner took 37.49 ms. Allocated memory is still 681.1 MB. Free memory was 647.4 MB in the beginning and 646.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 23.93/13.55 * Boogie Preprocessor took 20.91 ms. Allocated memory is still 681.1 MB. Free memory was 646.1 MB in the beginning and 644.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 23.93/13.55 * RCFGBuilder took 233.42 ms. Allocated memory is still 681.1 MB. Free memory was 644.7 MB in the beginning and 627.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 50.3 GB. 23.93/13.55 * BlockEncodingV2 took 86.50 ms. Allocated memory is still 681.1 MB. Free memory was 627.6 MB in the beginning and 622.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 23.93/13.55 * TraceAbstraction took 158.48 ms. Allocated memory is still 681.1 MB. Free memory was 622.2 MB in the beginning and 612.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 23.93/13.55 * BuchiAutomizer took 8318.86 ms. Allocated memory was 681.1 MB in the beginning and 746.1 MB in the end (delta: 65.0 MB). Free memory was 612.8 MB in the beginning and 442.3 MB in the end (delta: 170.5 MB). Peak memory consumption was 235.5 MB. Max. memory is 50.3 GB. 23.93/13.55 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 23.93/13.55 - AllSpecificationsHoldResult: All specifications hold 23.93/13.55 We were not able to verify any specifiation because the program does not contain any specification. 23.93/13.55 - InvariantResult [Line: 24]: Loop Invariant 23.93/13.55 Derived loop invariant: 1 23.93/13.55 - InvariantResult [Line: 22]: Loop Invariant 23.93/13.55 Derived loop invariant: 1 23.93/13.55 - StatisticsResult: Ultimate Automizer benchmark data 23.93/13.55 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 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 23.93/13.55 - StatisticsResult: Constructed decomposition of program 23.93/13.55 Your program was decomposed into 4 terminating modules (0 trivial, 0 deterministic, 4 nondeterministic). One nondeterministic module has 2-nested ranking function (if x > 0 then 1 else 0), (if x > 0 then x else y) and consists of 10 locations. One nondeterministic module has affine ranking function z + -1 * y and consists of 2 locations. One nondeterministic module has affine ranking function z and consists of 5 locations. One nondeterministic module has 2-nested ranking function (if x > 0 then 1 else 0), (if x > 0 then x else y) and consists of 10 locations. 23.93/13.55 - StatisticsResult: Timing statistics 23.93/13.55 BüchiAutomizer plugin needed 8.2s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 6.4s. Construction of modules took 0.1s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 3. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 17 SDtfs, 40 SDslu, 1 SDs, 0 SdLazy, 91 SolverSat, 107 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax165 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq165 hnf93 smp100 dnf100 smp100 tf108 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 5.1s 23.93/13.55 - TerminationAnalysisResult: Termination proven 23.93/13.55 Buchi Automizer proved that your program is terminating 23.93/13.55 RESULT: Ultimate proved your program to be correct! 23.93/13.55 !SESSION 2019-03-29 02:14:13.714 ----------------------------------------------- 23.93/13.55 eclipse.buildId=unknown 23.93/13.55 java.version=1.8.0_181 23.93/13.55 java.vendor=Oracle Corporation 23.93/13.55 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 23.93/13.55 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 23.93/13.55 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 23.93/13.55 23.93/13.55 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:14:26.333 23.93/13.55 !MESSAGE The workspace will exit with unsaved changes in this session. 23.93/13.55 Received shutdown request... 23.93/13.55 Ultimate: 23.93/13.55 GTK+ Version Check 23.93/13.55 EOF