15.57/7.64 YES 15.57/7.64 15.57/7.64 Ultimate: Cannot open display: 15.57/7.64 This is Ultimate 0.1.24-8dc7c08-m 15.57/7.64 [2019-03-29 02:12:58,188 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.57/7.64 [2019-03-29 02:12:58,190 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.57/7.64 [2019-03-29 02:12:58,202 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.57/7.64 [2019-03-29 02:12:58,202 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.57/7.64 [2019-03-29 02:12:58,203 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.57/7.64 [2019-03-29 02:12:58,204 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.57/7.64 [2019-03-29 02:12:58,206 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.57/7.64 [2019-03-29 02:12:58,207 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.57/7.64 [2019-03-29 02:12:58,208 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.57/7.64 [2019-03-29 02:12:58,209 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.57/7.64 [2019-03-29 02:12:58,209 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.57/7.64 [2019-03-29 02:12:58,210 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.57/7.64 [2019-03-29 02:12:58,211 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.57/7.64 [2019-03-29 02:12:58,212 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.57/7.64 [2019-03-29 02:12:58,213 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.57/7.64 [2019-03-29 02:12:58,213 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.57/7.64 [2019-03-29 02:12:58,215 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.57/7.64 [2019-03-29 02:12:58,217 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.57/7.64 [2019-03-29 02:12:58,218 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.57/7.64 [2019-03-29 02:12:58,219 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.57/7.64 [2019-03-29 02:12:58,220 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.57/7.64 [2019-03-29 02:12:58,223 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.57/7.64 [2019-03-29 02:12:58,223 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.57/7.64 [2019-03-29 02:12:58,223 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.57/7.64 [2019-03-29 02:12:58,224 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.57/7.64 [2019-03-29 02:12:58,224 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.57/7.64 [2019-03-29 02:12:58,225 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.57/7.64 [2019-03-29 02:12:58,225 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.57/7.64 [2019-03-29 02:12:58,226 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.57/7.64 [2019-03-29 02:12:58,227 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.57/7.64 [2019-03-29 02:12:58,227 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.57/7.64 [2019-03-29 02:12:58,228 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.57/7.64 [2019-03-29 02:12:58,229 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.57/7.64 [2019-03-29 02:12:58,229 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.57/7.64 [2019-03-29 02:12:58,229 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.57/7.64 [2019-03-29 02:12:58,230 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.57/7.64 [2019-03-29 02:12:58,231 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.57/7.64 [2019-03-29 02:12:58,231 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.57/7.64 [2019-03-29 02:12:58,231 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.57/7.64 [2019-03-29 02:12:58,246 INFO L110 SettingsManager]: Loading preferences was successful 15.57/7.64 [2019-03-29 02:12:58,246 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.57/7.64 [2019-03-29 02:12:58,247 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.57/7.64 [2019-03-29 02:12:58,247 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.57/7.64 [2019-03-29 02:12:58,247 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.57/7.64 [2019-03-29 02:12:58,248 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.57/7.64 [2019-03-29 02:12:58,248 INFO L133 SettingsManager]: * Use SBE=true 15.57/7.64 [2019-03-29 02:12:58,248 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.57/7.64 [2019-03-29 02:12:58,248 INFO L133 SettingsManager]: * Use old map elimination=false 15.57/7.64 [2019-03-29 02:12:58,248 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.57/7.64 [2019-03-29 02:12:58,249 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.57/7.64 [2019-03-29 02:12:58,249 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.57/7.64 [2019-03-29 02:12:58,249 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.57/7.64 [2019-03-29 02:12:58,249 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.57/7.64 [2019-03-29 02:12:58,249 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.57/7.64 [2019-03-29 02:12:58,249 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.57/7.64 [2019-03-29 02:12:58,250 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.57/7.64 [2019-03-29 02:12:58,250 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.57/7.64 [2019-03-29 02:12:58,250 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.57/7.64 [2019-03-29 02:12:58,250 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.57/7.64 [2019-03-29 02:12:58,250 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.57/7.64 [2019-03-29 02:12:58,251 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.57/7.64 [2019-03-29 02:12:58,251 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.57/7.64 [2019-03-29 02:12:58,251 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.57/7.64 [2019-03-29 02:12:58,251 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.57/7.64 [2019-03-29 02:12:58,251 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.57/7.64 [2019-03-29 02:12:58,251 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.57/7.64 [2019-03-29 02:12:58,252 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.57/7.64 [2019-03-29 02:12:58,252 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.57/7.64 [2019-03-29 02:12:58,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.57/7.64 [2019-03-29 02:12:58,290 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.57/7.64 [2019-03-29 02:12:58,293 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.57/7.64 [2019-03-29 02:12:58,295 INFO L271 PluginConnector]: Initializing CDTParser... 15.57/7.64 [2019-03-29 02:12:58,295 INFO L276 PluginConnector]: CDTParser initialized 15.57/7.64 [2019-03-29 02:12:58,296 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.57/7.64 [2019-03-29 02:12:58,359 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/e69b7dec2fc84e658b8e650a547e5a81/FLAG0bf7a6de1 15.57/7.64 [2019-03-29 02:12:58,695 INFO L307 CDTParser]: Found 1 translation units. 15.57/7.64 [2019-03-29 02:12:58,695 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.57/7.64 [2019-03-29 02:12:58,702 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/e69b7dec2fc84e658b8e650a547e5a81/FLAG0bf7a6de1 15.57/7.64 [2019-03-29 02:12:59,105 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/e69b7dec2fc84e658b8e650a547e5a81 15.57/7.64 [2019-03-29 02:12:59,118 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.57/7.64 [2019-03-29 02:12:59,119 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.57/7.64 [2019-03-29 02:12:59,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.57/7.64 [2019-03-29 02:12:59,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.57/7.64 [2019-03-29 02:12:59,124 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.57/7.64 [2019-03-29 02:12:59,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:12:59" (1/1) ... 15.57/7.64 [2019-03-29 02:12:59,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c47866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:59, skipping insertion in model container 15.57/7.64 [2019-03-29 02:12:59,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:12:59" (1/1) ... 15.57/7.64 [2019-03-29 02:12:59,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.57/7.64 [2019-03-29 02:12:59,153 INFO L176 MainTranslator]: Built tables and reachable declarations 15.57/7.64 [2019-03-29 02:12:59,311 INFO L206 PostProcessor]: Analyzing one entry point: main 15.57/7.64 [2019-03-29 02:12:59,315 INFO L191 MainTranslator]: Completed pre-run 15.57/7.64 [2019-03-29 02:12:59,332 INFO L206 PostProcessor]: Analyzing one entry point: main 15.57/7.64 [2019-03-29 02:12:59,346 INFO L195 MainTranslator]: Completed translation 15.57/7.64 [2019-03-29 02:12:59,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:59 WrapperNode 15.57/7.64 [2019-03-29 02:12:59,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.57/7.64 [2019-03-29 02:12:59,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.57/7.64 [2019-03-29 02:12:59,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.57/7.64 [2019-03-29 02:12:59,348 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.57/7.64 [2019-03-29 02:12:59,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:59" (1/1) ... 15.57/7.64 [2019-03-29 02:12:59,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:59" (1/1) ... 15.57/7.64 [2019-03-29 02:12:59,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.57/7.64 [2019-03-29 02:12:59,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.57/7.64 [2019-03-29 02:12:59,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.57/7.64 [2019-03-29 02:12:59,449 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.57/7.64 [2019-03-29 02:12:59,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:59" (1/1) ... 15.57/7.64 [2019-03-29 02:12:59,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:59" (1/1) ... 15.57/7.64 [2019-03-29 02:12:59,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:59" (1/1) ... 15.57/7.64 [2019-03-29 02:12:59,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:59" (1/1) ... 15.57/7.64 [2019-03-29 02:12:59,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:59" (1/1) ... 15.57/7.64 [2019-03-29 02:12:59,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:59" (1/1) ... 15.57/7.64 [2019-03-29 02:12:59,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:59" (1/1) ... 15.57/7.64 [2019-03-29 02:12:59,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.57/7.64 [2019-03-29 02:12:59,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.57/7.64 [2019-03-29 02:12:59,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.57/7.64 [2019-03-29 02:12:59,470 INFO L276 PluginConnector]: RCFGBuilder initialized 15.57/7.64 [2019-03-29 02:12:59,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:59" (1/1) ... 15.57/7.64 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.57/7.64 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.57/7.64 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.57/7.64 [2019-03-29 02:12:59,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.57/7.64 [2019-03-29 02:12:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.57/7.64 [2019-03-29 02:12:59,673 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.57/7.64 [2019-03-29 02:12:59,673 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 15.57/7.64 [2019-03-29 02:12:59,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:12:59 BoogieIcfgContainer 15.57/7.64 [2019-03-29 02:12:59,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.57/7.64 [2019-03-29 02:12:59,675 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.57/7.64 [2019-03-29 02:12:59,676 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.57/7.64 [2019-03-29 02:12:59,679 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.57/7.64 [2019-03-29 02:12:59,679 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:12:59" (1/1) ... 15.57/7.64 [2019-03-29 02:12:59,696 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 15.57/7.64 [2019-03-29 02:12:59,697 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.57/7.64 [2019-03-29 02:12:59,698 INFO L263 BlockEncoder]: Using Maximize final states 15.57/7.64 [2019-03-29 02:12:59,699 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.57/7.64 [2019-03-29 02:12:59,699 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.57/7.64 [2019-03-29 02:12:59,701 INFO L296 BlockEncoder]: Using Remove sink states 15.57/7.64 [2019-03-29 02:12:59,702 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.57/7.64 [2019-03-29 02:12:59,702 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.57/7.64 [2019-03-29 02:12:59,718 INFO L185 BlockEncoder]: Using Use SBE 15.57/7.64 [2019-03-29 02:12:59,726 INFO L200 BlockEncoder]: SBE split 0 edges 15.57/7.64 [2019-03-29 02:12:59,731 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.57/7.64 [2019-03-29 02:12:59,733 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.57/7.64 [2019-03-29 02:12:59,747 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 15.57/7.64 [2019-03-29 02:12:59,749 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 15.57/7.64 [2019-03-29 02:12:59,751 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.57/7.64 [2019-03-29 02:12:59,751 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.57/7.64 [2019-03-29 02:12:59,751 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.57/7.64 [2019-03-29 02:12:59,751 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.57/7.64 [2019-03-29 02:12:59,752 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 15.57/7.64 [2019-03-29 02:12:59,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:12:59 BasicIcfg 15.57/7.64 [2019-03-29 02:12:59,752 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.57/7.64 [2019-03-29 02:12:59,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.57/7.64 [2019-03-29 02:12:59,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.57/7.64 [2019-03-29 02:12:59,757 INFO L276 PluginConnector]: TraceAbstraction initialized 15.57/7.64 [2019-03-29 02:12:59,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:12:59" (1/4) ... 15.57/7.64 [2019-03-29 02:12:59,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7e47b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:12:59, skipping insertion in model container 15.57/7.64 [2019-03-29 02:12:59,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:59" (2/4) ... 15.57/7.64 [2019-03-29 02:12:59,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7e47b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:12:59, skipping insertion in model container 15.57/7.65 [2019-03-29 02:12:59,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:12:59" (3/4) ... 15.57/7.65 [2019-03-29 02:12:59,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e7e47b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:12:59, skipping insertion in model container 15.57/7.65 [2019-03-29 02:12:59,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:12:59" (4/4) ... 15.57/7.65 [2019-03-29 02:12:59,761 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.57/7.65 [2019-03-29 02:12:59,771 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.57/7.65 [2019-03-29 02:12:59,778 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.57/7.65 [2019-03-29 02:12:59,796 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.57/7.65 [2019-03-29 02:12:59,825 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.57/7.65 [2019-03-29 02:12:59,826 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.57/7.65 [2019-03-29 02:12:59,826 INFO L383 AbstractCegarLoop]: Hoare is true 15.57/7.65 [2019-03-29 02:12:59,826 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.57/7.65 [2019-03-29 02:12:59,826 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.57/7.65 [2019-03-29 02:12:59,826 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.57/7.65 [2019-03-29 02:12:59,827 INFO L387 AbstractCegarLoop]: Difference is false 15.57/7.65 [2019-03-29 02:12:59,827 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.57/7.65 [2019-03-29 02:12:59,827 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.57/7.65 [2019-03-29 02:12:59,841 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 15.57/7.65 [2019-03-29 02:12:59,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.57/7.65 [2019-03-29 02:12:59,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 15.57/7.65 [2019-03-29 02:12:59,899 INFO L448 ceAbstractionStarter]: For program point L14(lines 14 18) no Hoare annotation was computed. 15.57/7.65 [2019-03-29 02:12:59,900 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.57/7.65 [2019-03-29 02:12:59,900 INFO L451 ceAbstractionStarter]: At program point L14-2(lines 13 19) the Hoare annotation is: true 15.57/7.65 [2019-03-29 02:12:59,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:12:59 BasicIcfg 15.57/7.65 [2019-03-29 02:12:59,908 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.57/7.65 [2019-03-29 02:12:59,909 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.57/7.65 [2019-03-29 02:12:59,909 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.57/7.65 [2019-03-29 02:12:59,912 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.57/7.65 [2019-03-29 02:12:59,913 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.57/7.65 [2019-03-29 02:12:59,913 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:12:59" (1/5) ... 15.57/7.65 [2019-03-29 02:12:59,914 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@720093c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:12:59, skipping insertion in model container 15.57/7.65 [2019-03-29 02:12:59,914 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.57/7.65 [2019-03-29 02:12:59,914 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:12:59" (2/5) ... 15.57/7.65 [2019-03-29 02:12:59,915 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@720093c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:12:59, skipping insertion in model container 15.57/7.65 [2019-03-29 02:12:59,915 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.57/7.65 [2019-03-29 02:12:59,915 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:12:59" (3/5) ... 15.57/7.65 [2019-03-29 02:12:59,916 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@720093c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:12:59, skipping insertion in model container 15.57/7.65 [2019-03-29 02:12:59,916 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.57/7.65 [2019-03-29 02:12:59,916 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:12:59" (4/5) ... 15.57/7.65 [2019-03-29 02:12:59,916 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@720093c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:12:59, skipping insertion in model container 15.57/7.65 [2019-03-29 02:12:59,916 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.57/7.65 [2019-03-29 02:12:59,917 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:12:59" (5/5) ... 15.57/7.65 [2019-03-29 02:12:59,918 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.57/7.65 [2019-03-29 02:12:59,947 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.57/7.65 [2019-03-29 02:12:59,947 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.57/7.65 [2019-03-29 02:12:59,947 INFO L375 BuchiCegarLoop]: Hoare is true 15.57/7.65 [2019-03-29 02:12:59,948 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.57/7.65 [2019-03-29 02:12:59,948 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.57/7.65 [2019-03-29 02:12:59,948 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.57/7.65 [2019-03-29 02:12:59,948 INFO L379 BuchiCegarLoop]: Difference is false 15.57/7.65 [2019-03-29 02:12:59,948 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.57/7.65 [2019-03-29 02:12:59,948 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.57/7.65 [2019-03-29 02:12:59,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.57/7.65 [2019-03-29 02:12:59,970 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.57/7.65 [2019-03-29 02:12:59,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.57/7.65 [2019-03-29 02:12:59,971 INFO L119 BuchiIsEmpty]: Starting construction of run 15.57/7.65 [2019-03-29 02:12:59,978 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.57/7.65 [2019-03-29 02:12:59,978 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.57/7.65 [2019-03-29 02:12:59,978 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.57/7.65 [2019-03-29 02:12:59,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.57/7.65 [2019-03-29 02:12:59,979 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.57/7.65 [2019-03-29 02:12:59,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.57/7.65 [2019-03-29 02:12:59,979 INFO L119 BuchiIsEmpty]: Starting construction of run 15.57/7.65 [2019-03-29 02:12:59,979 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.57/7.65 [2019-03-29 02:12:59,979 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.57/7.65 [2019-03-29 02:12:59,984 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [25] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 4#L14-2true 15.57/7.65 [2019-03-29 02:12:59,985 INFO L796 eck$LassoCheckResult]: Loop: 4#L14-2true [29] L14-2-->L14: Formula: (< v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 5#L14true [34] L14-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~z~0_7 (+ v_ULTIMATE.start_main_~z~0_8 1)) (>= v_ULTIMATE.start_main_~x~0_10 v_ULTIMATE.start_main_~z~0_8)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~z~0] 4#L14-2true 15.57/7.65 [2019-03-29 02:12:59,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.57/7.65 [2019-03-29 02:12:59,991 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times 15.57/7.65 [2019-03-29 02:12:59,993 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.57/7.65 [2019-03-29 02:12:59,994 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.57/7.65 [2019-03-29 02:13:00,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:00,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:00,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.57/7.65 [2019-03-29 02:13:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.57/7.65 [2019-03-29 02:13:00,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.57/7.65 [2019-03-29 02:13:00,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 1 times 15.57/7.65 [2019-03-29 02:13:00,070 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.57/7.65 [2019-03-29 02:13:00,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.57/7.65 [2019-03-29 02:13:00,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:00,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:00,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.57/7.65 [2019-03-29 02:13:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.57/7.65 [2019-03-29 02:13:00,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.57/7.65 [2019-03-29 02:13:00,084 INFO L82 PathProgramCache]: Analyzing trace with hash 54749, now seen corresponding path program 1 times 15.57/7.65 [2019-03-29 02:13:00,084 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.57/7.65 [2019-03-29 02:13:00,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.57/7.65 [2019-03-29 02:13:00,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:00,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:00,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.57/7.65 [2019-03-29 02:13:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.57/7.65 [2019-03-29 02:13:00,136 INFO L216 LassoAnalysis]: Preferences: 15.57/7.65 [2019-03-29 02:13:00,138 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.57/7.65 [2019-03-29 02:13:00,138 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.57/7.65 [2019-03-29 02:13:00,139 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.57/7.65 [2019-03-29 02:13:00,139 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.57/7.65 [2019-03-29 02:13:00,139 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.57/7.65 [2019-03-29 02:13:00,139 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.57/7.65 [2019-03-29 02:13:00,139 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.57/7.65 [2019-03-29 02:13:00,139 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.57/7.65 [2019-03-29 02:13:00,140 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.57/7.65 [2019-03-29 02:13:00,140 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.57/7.65 [2019-03-29 02:13:00,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.57/7.65 [2019-03-29 02:13:00,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.57/7.65 [2019-03-29 02:13:00,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.57/7.65 [2019-03-29 02:13:00,261 INFO L300 LassoAnalysis]: Preprocessing complete. 15.57/7.65 [2019-03-29 02:13:00,262 INFO L412 LassoAnalysis]: Checking for nontermination... 15.57/7.65 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.57/7.65 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.57/7.65 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.57/7.65 [2019-03-29 02:13:00,270 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.57/7.65 [2019-03-29 02:13:00,270 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.57/7.65 [2019-03-29 02:13:00,303 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.57/7.65 [2019-03-29 02:13:00,304 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.57/7.65 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.57/7.65 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.57/7.65 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.57/7.65 [2019-03-29 02:13:00,310 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.57/7.65 [2019-03-29 02:13:00,310 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.57/7.65 [2019-03-29 02:13:00,338 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.57/7.65 [2019-03-29 02:13:00,339 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.57/7.65 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.57/7.65 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.57/7.65 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.57/7.65 [2019-03-29 02:13:00,343 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.57/7.65 [2019-03-29 02:13:00,344 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.57/7.65 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.57/7.65 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.57/7.65 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.57/7.65 [2019-03-29 02:13:00,375 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.57/7.65 [2019-03-29 02:13:00,375 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.57/7.65 [2019-03-29 02:13:00,686 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.57/7.65 [2019-03-29 02:13:00,690 INFO L216 LassoAnalysis]: Preferences: 15.57/7.65 [2019-03-29 02:13:00,690 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.57/7.65 [2019-03-29 02:13:00,690 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.57/7.65 [2019-03-29 02:13:00,690 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.57/7.65 [2019-03-29 02:13:00,690 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.57/7.65 [2019-03-29 02:13:00,690 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.57/7.65 [2019-03-29 02:13:00,691 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.57/7.65 [2019-03-29 02:13:00,691 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.57/7.65 [2019-03-29 02:13:00,691 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.57/7.65 [2019-03-29 02:13:00,691 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.57/7.65 [2019-03-29 02:13:00,691 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.57/7.65 [2019-03-29 02:13:00,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.57/7.65 [2019-03-29 02:13:00,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.57/7.65 [2019-03-29 02:13:00,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.57/7.65 [2019-03-29 02:13:00,774 INFO L300 LassoAnalysis]: Preprocessing complete. 15.57/7.65 [2019-03-29 02:13:00,780 INFO L497 LassoAnalysis]: Using template 'affine'. 15.57/7.65 [2019-03-29 02:13:00,782 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.57/7.65 Termination analysis: LINEAR_WITH_GUESSES 15.57/7.65 Number of strict supporting invariants: 0 15.57/7.65 Number of non-strict supporting invariants: 1 15.57/7.65 Consider only non-deceasing supporting invariants: true 15.57/7.65 Simplify termination arguments: true 15.57/7.65 Simplify supporting invariants: trueOverapproximate stem: false 15.57/7.65 [2019-03-29 02:13:00,783 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.57/7.65 [2019-03-29 02:13:00,784 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.57/7.65 [2019-03-29 02:13:00,784 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.57/7.65 [2019-03-29 02:13:00,784 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.57/7.65 [2019-03-29 02:13:00,789 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.57/7.65 [2019-03-29 02:13:00,789 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.57/7.65 [2019-03-29 02:13:00,799 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.57/7.65 [2019-03-29 02:13:00,799 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.57/7.65 Termination analysis: LINEAR_WITH_GUESSES 15.57/7.65 Number of strict supporting invariants: 0 15.57/7.65 Number of non-strict supporting invariants: 1 15.57/7.65 Consider only non-deceasing supporting invariants: true 15.57/7.65 Simplify termination arguments: true 15.57/7.65 Simplify supporting invariants: trueOverapproximate stem: false 15.57/7.65 [2019-03-29 02:13:00,800 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.57/7.65 [2019-03-29 02:13:00,800 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.57/7.65 [2019-03-29 02:13:00,800 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.57/7.65 [2019-03-29 02:13:00,800 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.57/7.65 [2019-03-29 02:13:00,803 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.57/7.65 [2019-03-29 02:13:00,803 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.57/7.65 [2019-03-29 02:13:00,812 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.57/7.65 [2019-03-29 02:13:00,812 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.57/7.65 Termination analysis: LINEAR_WITH_GUESSES 15.57/7.65 Number of strict supporting invariants: 0 15.57/7.65 Number of non-strict supporting invariants: 1 15.57/7.65 Consider only non-deceasing supporting invariants: true 15.57/7.65 Simplify termination arguments: true 15.57/7.65 Simplify supporting invariants: trueOverapproximate stem: false 15.57/7.65 [2019-03-29 02:13:00,813 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.57/7.65 [2019-03-29 02:13:00,813 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.57/7.65 [2019-03-29 02:13:00,814 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.57/7.65 [2019-03-29 02:13:00,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.57/7.65 [2019-03-29 02:13:00,814 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.57/7.65 [2019-03-29 02:13:00,815 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.57/7.65 [2019-03-29 02:13:00,816 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.57/7.65 [2019-03-29 02:13:00,823 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.57/7.65 [2019-03-29 02:13:00,831 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.57/7.65 [2019-03-29 02:13:00,831 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 15.57/7.65 [2019-03-29 02:13:00,833 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.57/7.65 [2019-03-29 02:13:00,833 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.57/7.65 [2019-03-29 02:13:00,834 INFO L518 LassoAnalysis]: Proved termination. 15.57/7.65 [2019-03-29 02:13:00,834 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.57/7.65 Ranking function f(ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~z~0 + 2*ULTIMATE.start_main_~x~0 + 1 15.57/7.65 Supporting invariants [] 15.57/7.65 [2019-03-29 02:13:00,836 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.57/7.65 [2019-03-29 02:13:00,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.57/7.65 [2019-03-29 02:13:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.57/7.65 [2019-03-29 02:13:00,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 15.57/7.65 [2019-03-29 02:13:00,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.57/7.65 [2019-03-29 02:13:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.57/7.65 [2019-03-29 02:13:00,895 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 15.57/7.65 [2019-03-29 02:13:00,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.57/7.65 [2019-03-29 02:13:00,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.57/7.65 [2019-03-29 02:13:00,912 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.57/7.65 [2019-03-29 02:13:00,917 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 15.57/7.65 [2019-03-29 02:13:00,918 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 15.57/7.65 [2019-03-29 02:13:00,945 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 7 states and 10 transitions. Complement of second has 4 states. 15.57/7.65 [2019-03-29 02:13:00,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 15.57/7.65 [2019-03-29 02:13:00,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.57/7.65 [2019-03-29 02:13:00,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 15.57/7.65 [2019-03-29 02:13:00,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 2 letters. 15.57/7.65 [2019-03-29 02:13:00,951 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.57/7.65 [2019-03-29 02:13:00,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. 15.57/7.65 [2019-03-29 02:13:00,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.57/7.65 [2019-03-29 02:13:00,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 1 letters. Loop has 4 letters. 15.57/7.65 [2019-03-29 02:13:00,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.57/7.65 [2019-03-29 02:13:00,958 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. 15.57/7.65 [2019-03-29 02:13:00,959 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.57/7.65 [2019-03-29 02:13:00,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 10 transitions. 15.57/7.65 [2019-03-29 02:13:00,964 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.57/7.65 [2019-03-29 02:13:00,964 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 15.57/7.65 [2019-03-29 02:13:00,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. 15.57/7.65 [2019-03-29 02:13:00,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.57/7.65 [2019-03-29 02:13:00,965 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 15.57/7.65 [2019-03-29 02:13:00,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. 15.57/7.65 [2019-03-29 02:13:00,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. 15.57/7.65 [2019-03-29 02:13:00,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. 15.57/7.65 [2019-03-29 02:13:00,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. 15.57/7.65 [2019-03-29 02:13:00,994 INFO L729 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 15.57/7.65 [2019-03-29 02:13:00,994 INFO L609 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 15.57/7.65 [2019-03-29 02:13:00,994 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.57/7.65 [2019-03-29 02:13:00,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. 15.57/7.65 [2019-03-29 02:13:00,995 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.57/7.65 [2019-03-29 02:13:00,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.57/7.65 [2019-03-29 02:13:00,995 INFO L119 BuchiIsEmpty]: Starting construction of run 15.57/7.65 [2019-03-29 02:13:00,996 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 15.57/7.65 [2019-03-29 02:13:00,996 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.57/7.65 [2019-03-29 02:13:00,996 INFO L794 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 42#L14-2 [29] L14-2-->L14: Formula: (< v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 47#L14 [31] L14-->L14-2: Formula: (and (< v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~z~0_6) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 1))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 43#L14-2 15.57/7.65 [2019-03-29 02:13:00,996 INFO L796 eck$LassoCheckResult]: Loop: 43#L14-2 [29] L14-2-->L14: Formula: (< v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 44#L14 [34] L14-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~z~0_7 (+ v_ULTIMATE.start_main_~z~0_8 1)) (>= v_ULTIMATE.start_main_~x~0_10 v_ULTIMATE.start_main_~z~0_8)) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_8} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~z~0] 43#L14-2 15.57/7.65 [2019-03-29 02:13:00,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.57/7.65 [2019-03-29 02:13:00,997 INFO L82 PathProgramCache]: Analyzing trace with hash 54746, now seen corresponding path program 1 times 15.57/7.65 [2019-03-29 02:13:00,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.57/7.65 [2019-03-29 02:13:00,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.57/7.65 [2019-03-29 02:13:00,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:00,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:00,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.57/7.65 [2019-03-29 02:13:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.57/7.65 [2019-03-29 02:13:01,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.57/7.65 [2019-03-29 02:13:01,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1894, now seen corresponding path program 2 times 15.57/7.65 [2019-03-29 02:13:01,008 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.57/7.65 [2019-03-29 02:13:01,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.57/7.65 [2019-03-29 02:13:01,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:01,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:01,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.57/7.65 [2019-03-29 02:13:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.57/7.65 [2019-03-29 02:13:01,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.57/7.65 [2019-03-29 02:13:01,016 INFO L82 PathProgramCache]: Analyzing trace with hash 52611839, now seen corresponding path program 1 times 15.57/7.65 [2019-03-29 02:13:01,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.57/7.65 [2019-03-29 02:13:01,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.57/7.65 [2019-03-29 02:13:01,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:01,018 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:01,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.57/7.65 [2019-03-29 02:13:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.57/7.65 [2019-03-29 02:13:01,044 INFO L216 LassoAnalysis]: Preferences: 15.57/7.65 [2019-03-29 02:13:01,044 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.57/7.65 [2019-03-29 02:13:01,044 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.57/7.65 [2019-03-29 02:13:01,044 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.57/7.65 [2019-03-29 02:13:01,045 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.57/7.65 [2019-03-29 02:13:01,045 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.57/7.65 [2019-03-29 02:13:01,045 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.57/7.65 [2019-03-29 02:13:01,045 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.57/7.65 [2019-03-29 02:13:01,045 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.57/7.65 [2019-03-29 02:13:01,045 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.57/7.65 [2019-03-29 02:13:01,045 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.57/7.65 [2019-03-29 02:13:01,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.57/7.65 [2019-03-29 02:13:01,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.57/7.65 [2019-03-29 02:13:01,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.57/7.65 [2019-03-29 02:13:01,116 INFO L300 LassoAnalysis]: Preprocessing complete. 15.57/7.65 [2019-03-29 02:13:01,116 INFO L412 LassoAnalysis]: Checking for nontermination... 15.57/7.65 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.57/7.65 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.57/7.65 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.57/7.65 [2019-03-29 02:13:01,121 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.57/7.65 [2019-03-29 02:13:01,121 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.57/7.65 [2019-03-29 02:13:01,149 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.57/7.65 [2019-03-29 02:13:01,149 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: [] 15.57/7.65 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.57/7.65 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.57/7.65 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.57/7.65 [2019-03-29 02:13:01,158 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.57/7.65 [2019-03-29 02:13:01,159 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.57/7.65 [2019-03-29 02:13:01,187 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.57/7.65 [2019-03-29 02:13:01,187 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.57/7.65 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.57/7.65 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.57/7.65 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.57/7.65 [2019-03-29 02:13:01,192 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.57/7.65 [2019-03-29 02:13:01,192 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.57/7.65 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.57/7.65 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.57/7.65 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.57/7.65 [2019-03-29 02:13:01,223 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.57/7.65 [2019-03-29 02:13:01,223 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.57/7.65 [2019-03-29 02:13:01,564 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.57/7.65 [2019-03-29 02:13:01,566 INFO L216 LassoAnalysis]: Preferences: 15.57/7.65 [2019-03-29 02:13:01,566 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.57/7.65 [2019-03-29 02:13:01,567 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.57/7.65 [2019-03-29 02:13:01,567 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.57/7.65 [2019-03-29 02:13:01,567 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.57/7.65 [2019-03-29 02:13:01,567 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.57/7.65 [2019-03-29 02:13:01,567 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.57/7.65 [2019-03-29 02:13:01,567 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.57/7.65 [2019-03-29 02:13:01,568 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.57/7.65 [2019-03-29 02:13:01,568 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.57/7.65 [2019-03-29 02:13:01,568 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.57/7.65 [2019-03-29 02:13:01,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.57/7.65 [2019-03-29 02:13:01,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.57/7.65 [2019-03-29 02:13:01,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.57/7.65 [2019-03-29 02:13:01,621 INFO L300 LassoAnalysis]: Preprocessing complete. 15.57/7.65 [2019-03-29 02:13:01,621 INFO L497 LassoAnalysis]: Using template 'affine'. 15.57/7.65 [2019-03-29 02:13:01,622 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.57/7.65 Termination analysis: LINEAR_WITH_GUESSES 15.57/7.65 Number of strict supporting invariants: 0 15.57/7.65 Number of non-strict supporting invariants: 1 15.57/7.65 Consider only non-deceasing supporting invariants: true 15.57/7.65 Simplify termination arguments: true 15.57/7.65 Simplify supporting invariants: trueOverapproximate stem: false 15.57/7.65 [2019-03-29 02:13:01,623 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.57/7.65 [2019-03-29 02:13:01,623 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.57/7.65 [2019-03-29 02:13:01,623 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.57/7.65 [2019-03-29 02:13:01,623 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.57/7.65 [2019-03-29 02:13:01,626 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.57/7.65 [2019-03-29 02:13:01,626 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.57/7.65 [2019-03-29 02:13:01,630 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.57/7.65 [2019-03-29 02:13:01,631 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.57/7.65 Termination analysis: LINEAR_WITH_GUESSES 15.57/7.65 Number of strict supporting invariants: 0 15.57/7.65 Number of non-strict supporting invariants: 1 15.57/7.65 Consider only non-deceasing supporting invariants: true 15.57/7.65 Simplify termination arguments: true 15.57/7.65 Simplify supporting invariants: trueOverapproximate stem: false 15.57/7.65 [2019-03-29 02:13:01,631 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.57/7.65 [2019-03-29 02:13:01,631 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.57/7.65 [2019-03-29 02:13:01,632 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.57/7.65 [2019-03-29 02:13:01,632 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.57/7.65 [2019-03-29 02:13:01,632 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.57/7.65 [2019-03-29 02:13:01,633 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.57/7.65 [2019-03-29 02:13:01,633 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.57/7.65 [2019-03-29 02:13:01,639 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.57/7.65 [2019-03-29 02:13:01,644 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.57/7.65 [2019-03-29 02:13:01,644 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 15.57/7.65 [2019-03-29 02:13:01,644 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.57/7.65 [2019-03-29 02:13:01,645 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.57/7.65 [2019-03-29 02:13:01,645 INFO L518 LassoAnalysis]: Proved termination. 15.57/7.65 [2019-03-29 02:13:01,645 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.57/7.65 Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~z~0) = 2*ULTIMATE.start_main_~x~0 - 2*ULTIMATE.start_main_~z~0 + 1 15.57/7.65 Supporting invariants [] 15.57/7.65 [2019-03-29 02:13:01,646 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.57/7.65 [2019-03-29 02:13:01,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.57/7.65 [2019-03-29 02:13:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.57/7.65 [2019-03-29 02:13:01,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core 15.57/7.65 [2019-03-29 02:13:01,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.57/7.65 [2019-03-29 02:13:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.57/7.65 [2019-03-29 02:13:01,681 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 15.57/7.65 [2019-03-29 02:13:01,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.57/7.65 [2019-03-29 02:13:01,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.57/7.65 [2019-03-29 02:13:01,683 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 15.57/7.65 [2019-03-29 02:13:01,683 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 15.57/7.65 [2019-03-29 02:13:01,683 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. 15.57/7.65 [2019-03-29 02:13:01,705 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 9 states and 13 transitions. Complement of second has 4 states. 15.57/7.65 [2019-03-29 02:13:01,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 15.57/7.65 [2019-03-29 02:13:01,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.57/7.65 [2019-03-29 02:13:01,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 15.57/7.65 [2019-03-29 02:13:01,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 2 letters. 15.57/7.65 [2019-03-29 02:13:01,707 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.57/7.65 [2019-03-29 02:13:01,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. 15.57/7.65 [2019-03-29 02:13:01,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.57/7.65 [2019-03-29 02:13:01,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 4 letters. 15.57/7.65 [2019-03-29 02:13:01,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.57/7.65 [2019-03-29 02:13:01,710 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 13 transitions. 15.57/7.65 [2019-03-29 02:13:01,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.57/7.65 [2019-03-29 02:13:01,711 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 9 states and 13 transitions. 15.57/7.65 [2019-03-29 02:13:01,711 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.57/7.65 [2019-03-29 02:13:01,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 15.57/7.65 [2019-03-29 02:13:01,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. 15.57/7.65 [2019-03-29 02:13:01,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.57/7.65 [2019-03-29 02:13:01,712 INFO L706 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. 15.57/7.65 [2019-03-29 02:13:01,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. 15.57/7.65 [2019-03-29 02:13:01,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 5. 15.57/7.65 [2019-03-29 02:13:01,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 15.57/7.65 [2019-03-29 02:13:01,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. 15.57/7.65 [2019-03-29 02:13:01,713 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. 15.57/7.65 [2019-03-29 02:13:01,713 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. 15.57/7.65 [2019-03-29 02:13:01,713 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.57/7.65 [2019-03-29 02:13:01,714 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. 15.57/7.65 [2019-03-29 02:13:01,714 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 15.57/7.65 [2019-03-29 02:13:01,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.57/7.65 [2019-03-29 02:13:01,714 INFO L119 BuchiIsEmpty]: Starting construction of run 15.57/7.65 [2019-03-29 02:13:01,714 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.57/7.65 [2019-03-29 02:13:01,715 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.57/7.65 [2019-03-29 02:13:01,715 INFO L794 eck$LassoCheckResult]: Stem: 91#ULTIMATE.startENTRY [25] ULTIMATE.startENTRY-->L14-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0] 92#L14-2 15.57/7.65 [2019-03-29 02:13:01,715 INFO L796 eck$LassoCheckResult]: Loop: 92#L14-2 [29] L14-2-->L14: Formula: (< v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 94#L14 [31] L14-->L14-2: Formula: (and (< v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~z~0_6) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 1))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 92#L14-2 15.57/7.65 [2019-03-29 02:13:01,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.57/7.65 [2019-03-29 02:13:01,716 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 2 times 15.57/7.65 [2019-03-29 02:13:01,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.57/7.65 [2019-03-29 02:13:01,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.57/7.65 [2019-03-29 02:13:01,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:01,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:01,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.57/7.65 [2019-03-29 02:13:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.57/7.65 [2019-03-29 02:13:01,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.57/7.65 [2019-03-29 02:13:01,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times 15.57/7.65 [2019-03-29 02:13:01,723 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.57/7.65 [2019-03-29 02:13:01,723 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.57/7.65 [2019-03-29 02:13:01,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:01,724 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:01,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.57/7.65 [2019-03-29 02:13:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.57/7.65 [2019-03-29 02:13:01,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.57/7.65 [2019-03-29 02:13:01,730 INFO L82 PathProgramCache]: Analyzing trace with hash 54746, now seen corresponding path program 2 times 15.57/7.65 [2019-03-29 02:13:01,730 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.57/7.65 [2019-03-29 02:13:01,730 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.57/7.65 [2019-03-29 02:13:01,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:01,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:01,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.57/7.65 [2019-03-29 02:13:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.57/7.65 [2019-03-29 02:13:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.57/7.65 [2019-03-29 02:13:01,752 INFO L216 LassoAnalysis]: Preferences: 15.57/7.65 [2019-03-29 02:13:01,753 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.57/7.65 [2019-03-29 02:13:01,753 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.57/7.65 [2019-03-29 02:13:01,753 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.57/7.65 [2019-03-29 02:13:01,753 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.57/7.65 [2019-03-29 02:13:01,753 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.57/7.65 [2019-03-29 02:13:01,753 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.57/7.65 [2019-03-29 02:13:01,753 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.57/7.65 [2019-03-29 02:13:01,753 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.57/7.65 [2019-03-29 02:13:01,754 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.57/7.65 [2019-03-29 02:13:01,754 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.57/7.65 [2019-03-29 02:13:01,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.57/7.65 [2019-03-29 02:13:01,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.57/7.65 [2019-03-29 02:13:01,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.57/7.65 [2019-03-29 02:13:01,817 INFO L300 LassoAnalysis]: Preprocessing complete. 15.57/7.65 [2019-03-29 02:13:01,817 INFO L412 LassoAnalysis]: Checking for nontermination... 15.57/7.65 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.57/7.65 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.57/7.65 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.57/7.65 [2019-03-29 02:13:01,825 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.57/7.65 [2019-03-29 02:13:01,825 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.57/7.65 [2019-03-29 02:13:01,855 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.57/7.65 [2019-03-29 02:13:01,855 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: [] 15.57/7.65 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.57/7.65 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.57/7.65 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.57/7.65 [2019-03-29 02:13:01,864 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.57/7.65 [2019-03-29 02:13:01,865 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.57/7.65 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.57/7.65 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.57/7.65 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.57/7.65 [2019-03-29 02:13:01,898 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.57/7.65 [2019-03-29 02:13:01,898 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.57/7.65 [2019-03-29 02:13:02,111 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.57/7.65 [2019-03-29 02:13:02,114 INFO L216 LassoAnalysis]: Preferences: 15.57/7.65 [2019-03-29 02:13:02,114 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.57/7.65 [2019-03-29 02:13:02,114 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.57/7.65 [2019-03-29 02:13:02,114 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.57/7.65 [2019-03-29 02:13:02,114 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.57/7.65 [2019-03-29 02:13:02,115 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.57/7.65 [2019-03-29 02:13:02,115 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.57/7.65 [2019-03-29 02:13:02,115 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.57/7.65 [2019-03-29 02:13:02,115 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.57/7.65 [2019-03-29 02:13:02,115 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.57/7.65 [2019-03-29 02:13:02,115 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.57/7.65 [2019-03-29 02:13:02,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.57/7.65 [2019-03-29 02:13:02,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.57/7.65 [2019-03-29 02:13:02,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.57/7.65 [2019-03-29 02:13:02,172 INFO L300 LassoAnalysis]: Preprocessing complete. 15.57/7.65 [2019-03-29 02:13:02,172 INFO L497 LassoAnalysis]: Using template 'affine'. 15.57/7.65 [2019-03-29 02:13:02,172 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.57/7.65 Termination analysis: LINEAR_WITH_GUESSES 15.57/7.65 Number of strict supporting invariants: 0 15.57/7.65 Number of non-strict supporting invariants: 1 15.57/7.65 Consider only non-deceasing supporting invariants: true 15.57/7.65 Simplify termination arguments: true 15.57/7.65 Simplify supporting invariants: trueOverapproximate stem: false 15.57/7.65 [2019-03-29 02:13:02,173 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.57/7.65 [2019-03-29 02:13:02,173 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.57/7.65 [2019-03-29 02:13:02,173 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.57/7.65 [2019-03-29 02:13:02,174 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.57/7.65 [2019-03-29 02:13:02,174 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.57/7.65 [2019-03-29 02:13:02,175 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.57/7.65 [2019-03-29 02:13:02,175 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.57/7.65 [2019-03-29 02:13:02,179 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.57/7.65 [2019-03-29 02:13:02,185 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 15.57/7.65 [2019-03-29 02:13:02,185 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 15.57/7.65 [2019-03-29 02:13:02,185 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.57/7.65 [2019-03-29 02:13:02,186 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.57/7.65 [2019-03-29 02:13:02,186 INFO L518 LassoAnalysis]: Proved termination. 15.57/7.65 [2019-03-29 02:13:02,186 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.57/7.65 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~y~0 - 1*ULTIMATE.start_main_~x~0 15.57/7.65 Supporting invariants [] 15.57/7.65 [2019-03-29 02:13:02,187 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.57/7.65 [2019-03-29 02:13:02,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.57/7.65 [2019-03-29 02:13:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.57/7.65 [2019-03-29 02:13:02,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 15.57/7.65 [2019-03-29 02:13:02,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.57/7.65 [2019-03-29 02:13:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.57/7.65 [2019-03-29 02:13:02,215 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 15.57/7.65 [2019-03-29 02:13:02,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.57/7.65 [2019-03-29 02:13:02,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.57/7.65 [2019-03-29 02:13:02,240 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.57/7.65 [2019-03-29 02:13:02,240 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 15.57/7.65 [2019-03-29 02:13:02,240 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 7 transitions. cyclomatic complexity: 3 Second operand 3 states. 15.57/7.65 [2019-03-29 02:13:02,256 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 7 transitions. cyclomatic complexity: 3. Second operand 3 states. Result 11 states and 17 transitions. Complement of second has 4 states. 15.57/7.65 [2019-03-29 02:13:02,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 15.57/7.65 [2019-03-29 02:13:02,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.57/7.65 [2019-03-29 02:13:02,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. 15.57/7.65 [2019-03-29 02:13:02,257 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 2 letters. 15.57/7.65 [2019-03-29 02:13:02,257 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.57/7.65 [2019-03-29 02:13:02,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 3 letters. Loop has 2 letters. 15.57/7.65 [2019-03-29 02:13:02,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.57/7.65 [2019-03-29 02:13:02,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 1 letters. Loop has 4 letters. 15.57/7.65 [2019-03-29 02:13:02,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.57/7.65 [2019-03-29 02:13:02,260 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 17 transitions. 15.57/7.65 [2019-03-29 02:13:02,261 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.57/7.65 [2019-03-29 02:13:02,261 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. 15.57/7.65 [2019-03-29 02:13:02,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.57/7.65 [2019-03-29 02:13:02,261 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.57/7.65 [2019-03-29 02:13:02,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.57/7.65 [2019-03-29 02:13:02,261 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.57/7.65 [2019-03-29 02:13:02,261 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.57/7.65 [2019-03-29 02:13:02,262 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.57/7.65 [2019-03-29 02:13:02,262 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.57/7.65 [2019-03-29 02:13:02,262 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.57/7.65 [2019-03-29 02:13:02,262 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.57/7.65 [2019-03-29 02:13:02,262 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.57/7.65 [2019-03-29 02:13:02,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.57/7.65 [2019-03-29 02:13:02,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:13:02 BasicIcfg 15.57/7.65 [2019-03-29 02:13:02,268 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.57/7.65 [2019-03-29 02:13:02,269 INFO L168 Benchmark]: Toolchain (without parser) took 3150.88 ms. Allocated memory was 649.6 MB in the beginning and 661.1 MB in the end (delta: 11.5 MB). Free memory was 559.2 MB in the beginning and 418.9 MB in the end (delta: 140.3 MB). Peak memory consumption was 151.8 MB. Max. memory is 50.3 GB. 15.57/7.65 [2019-03-29 02:13:02,271 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 579.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.57/7.65 [2019-03-29 02:13:02,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.31 ms. Allocated memory is still 649.6 MB. Free memory was 558.2 MB in the beginning and 548.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 15.57/7.65 [2019-03-29 02:13:02,272 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.60 ms. Allocated memory was 649.6 MB in the beginning and 661.1 MB in the end (delta: 11.5 MB). Free memory was 548.4 MB in the beginning and 626.6 MB in the end (delta: -78.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 15.57/7.65 [2019-03-29 02:13:02,272 INFO L168 Benchmark]: Boogie Preprocessor took 20.81 ms. Allocated memory is still 661.1 MB. Free memory was 626.6 MB in the beginning and 623.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.57/7.65 [2019-03-29 02:13:02,273 INFO L168 Benchmark]: RCFGBuilder took 205.05 ms. Allocated memory is still 661.1 MB. Free memory was 623.8 MB in the beginning and 610.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 15.57/7.65 [2019-03-29 02:13:02,273 INFO L168 Benchmark]: BlockEncodingV2 took 77.01 ms. Allocated memory is still 661.1 MB. Free memory was 610.3 MB in the beginning and 606.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 15.57/7.65 [2019-03-29 02:13:02,274 INFO L168 Benchmark]: TraceAbstraction took 155.18 ms. Allocated memory is still 661.1 MB. Free memory was 606.0 MB in the beginning and 597.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 15.57/7.65 [2019-03-29 02:13:02,275 INFO L168 Benchmark]: BuchiAutomizer took 2359.56 ms. Allocated memory is still 661.1 MB. Free memory was 596.3 MB in the beginning and 418.9 MB in the end (delta: 177.4 MB). Peak memory consumption was 177.4 MB. Max. memory is 50.3 GB. 15.57/7.65 [2019-03-29 02:13:02,281 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.57/7.65 --- Results --- 15.57/7.65 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.57/7.65 - StatisticsResult: Initial Icfg 15.57/7.65 7 locations, 9 edges 15.57/7.65 - StatisticsResult: Encoded RCFG 15.57/7.65 3 locations, 4 edges 15.57/7.65 * Results from de.uni_freiburg.informatik.ultimate.core: 15.57/7.65 - StatisticsResult: Toolchain Benchmarks 15.57/7.65 Benchmark results are: 15.57/7.65 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 579.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.57/7.65 * CACSL2BoogieTranslator took 227.31 ms. Allocated memory is still 649.6 MB. Free memory was 558.2 MB in the beginning and 548.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 15.57/7.65 * Boogie Procedure Inliner took 100.60 ms. Allocated memory was 649.6 MB in the beginning and 661.1 MB in the end (delta: 11.5 MB). Free memory was 548.4 MB in the beginning and 626.6 MB in the end (delta: -78.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 15.57/7.65 * Boogie Preprocessor took 20.81 ms. Allocated memory is still 661.1 MB. Free memory was 626.6 MB in the beginning and 623.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.57/7.65 * RCFGBuilder took 205.05 ms. Allocated memory is still 661.1 MB. Free memory was 623.8 MB in the beginning and 610.3 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 15.57/7.65 * BlockEncodingV2 took 77.01 ms. Allocated memory is still 661.1 MB. Free memory was 610.3 MB in the beginning and 606.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 50.3 GB. 15.57/7.65 * TraceAbstraction took 155.18 ms. Allocated memory is still 661.1 MB. Free memory was 606.0 MB in the beginning and 597.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 15.57/7.65 * BuchiAutomizer took 2359.56 ms. Allocated memory is still 661.1 MB. Free memory was 596.3 MB in the beginning and 418.9 MB in the end (delta: 177.4 MB). Peak memory consumption was 177.4 MB. Max. memory is 50.3 GB. 15.57/7.65 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.57/7.65 - AllSpecificationsHoldResult: All specifications hold 15.57/7.65 We were not able to verify any specifiation because the program does not contain any specification. 15.57/7.65 - InvariantResult [Line: 13]: Loop Invariant 15.57/7.65 Derived loop invariant: 1 15.57/7.65 - StatisticsResult: Ultimate Automizer benchmark data 15.57/7.65 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.57/7.65 - StatisticsResult: Constructed decomposition of program 15.57/7.65 Your program was decomposed into 3 terminating modules (0 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function -2 * z + 2 * x + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * x + -2 * z + 1 and consists of 3 locations. One nondeterministic module has affine ranking function y + -1 * x and consists of 3 locations. 15.57/7.65 - StatisticsResult: Timing statistics 15.57/7.65 BüchiAutomizer plugin needed 2.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 17 SDslu, 0 SDs, 0 SdLazy, 24 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax192 hnf100 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s 15.57/7.65 - TerminationAnalysisResult: Termination proven 15.57/7.65 Buchi Automizer proved that your program is terminating 15.57/7.65 RESULT: Ultimate proved your program to be correct! 15.57/7.65 !SESSION 2019-03-29 02:12:55.856 ----------------------------------------------- 15.57/7.65 eclipse.buildId=unknown 15.57/7.65 java.version=1.8.0_181 15.57/7.65 java.vendor=Oracle Corporation 15.57/7.65 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.57/7.65 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.57/7.65 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 15.57/7.65 15.57/7.65 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:13:02.520 15.57/7.65 !MESSAGE The workspace will exit with unsaved changes in this session. 15.57/7.65 Received shutdown request... 15.57/7.65 Ultimate: 15.57/7.65 GTK+ Version Check 15.57/7.65 EOF