18.93/9.57 YES 18.93/9.57 18.93/9.57 Ultimate: Cannot open display: 18.93/9.57 This is Ultimate 0.1.24-8dc7c08-m 18.93/9.57 [2019-03-29 02:05:59,187 INFO L170 SettingsManager]: Resetting all preferences to default values... 18.93/9.57 [2019-03-29 02:05:59,189 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 18.93/9.57 [2019-03-29 02:05:59,200 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 18.93/9.57 [2019-03-29 02:05:59,200 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 18.93/9.57 [2019-03-29 02:05:59,201 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 18.93/9.57 [2019-03-29 02:05:59,202 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 18.93/9.57 [2019-03-29 02:05:59,204 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 18.93/9.57 [2019-03-29 02:05:59,205 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 18.93/9.57 [2019-03-29 02:05:59,206 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 18.93/9.57 [2019-03-29 02:05:59,207 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 18.93/9.57 [2019-03-29 02:05:59,207 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 18.93/9.57 [2019-03-29 02:05:59,208 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 18.93/9.57 [2019-03-29 02:05:59,209 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 18.93/9.57 [2019-03-29 02:05:59,210 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 18.93/9.57 [2019-03-29 02:05:59,211 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 18.93/9.57 [2019-03-29 02:05:59,212 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 18.93/9.57 [2019-03-29 02:05:59,213 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 18.93/9.57 [2019-03-29 02:05:59,215 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 18.93/9.57 [2019-03-29 02:05:59,217 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 18.93/9.57 [2019-03-29 02:05:59,218 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 18.93/9.57 [2019-03-29 02:05:59,219 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 18.93/9.57 [2019-03-29 02:05:59,221 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 18.93/9.57 [2019-03-29 02:05:59,221 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 18.93/9.57 [2019-03-29 02:05:59,222 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 18.93/9.57 [2019-03-29 02:05:59,222 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 18.93/9.57 [2019-03-29 02:05:59,223 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 18.93/9.57 [2019-03-29 02:05:59,224 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 18.93/9.57 [2019-03-29 02:05:59,224 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 18.93/9.57 [2019-03-29 02:05:59,225 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 18.93/9.57 [2019-03-29 02:05:59,225 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 18.93/9.57 [2019-03-29 02:05:59,226 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 18.93/9.57 [2019-03-29 02:05:59,227 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 18.93/9.57 [2019-03-29 02:05:59,227 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 18.93/9.57 [2019-03-29 02:05:59,228 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 18.93/9.57 [2019-03-29 02:05:59,228 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 18.93/9.57 [2019-03-29 02:05:59,228 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 18.93/9.57 [2019-03-29 02:05:59,229 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 18.93/9.57 [2019-03-29 02:05:59,230 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 18.93/9.57 [2019-03-29 02:05:59,230 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 18.93/9.57 [2019-03-29 02:05:59,244 INFO L110 SettingsManager]: Loading preferences was successful 18.93/9.57 [2019-03-29 02:05:59,245 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 18.93/9.57 [2019-03-29 02:05:59,246 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 18.93/9.57 [2019-03-29 02:05:59,246 INFO L133 SettingsManager]: * Rewrite not-equals=true 18.93/9.57 [2019-03-29 02:05:59,246 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 18.93/9.57 [2019-03-29 02:05:59,246 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 18.93/9.57 [2019-03-29 02:05:59,247 INFO L133 SettingsManager]: * Use SBE=true 18.93/9.57 [2019-03-29 02:05:59,247 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 18.93/9.57 [2019-03-29 02:05:59,247 INFO L133 SettingsManager]: * Use old map elimination=false 18.93/9.57 [2019-03-29 02:05:59,247 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 18.93/9.57 [2019-03-29 02:05:59,247 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 18.93/9.57 [2019-03-29 02:05:59,247 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 18.93/9.57 [2019-03-29 02:05:59,248 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 18.93/9.57 [2019-03-29 02:05:59,248 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 18.93/9.57 [2019-03-29 02:05:59,248 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:05:59,248 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 18.93/9.57 [2019-03-29 02:05:59,248 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 18.93/9.57 [2019-03-29 02:05:59,249 INFO L133 SettingsManager]: * Check division by zero=IGNORE 18.93/9.57 [2019-03-29 02:05:59,249 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 18.93/9.57 [2019-03-29 02:05:59,249 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 18.93/9.57 [2019-03-29 02:05:59,249 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 18.93/9.57 [2019-03-29 02:05:59,249 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 18.93/9.57 [2019-03-29 02:05:59,249 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 18.93/9.57 [2019-03-29 02:05:59,250 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 18.93/9.57 [2019-03-29 02:05:59,250 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 18.93/9.57 [2019-03-29 02:05:59,250 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 18.93/9.57 [2019-03-29 02:05:59,250 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 18.93/9.57 [2019-03-29 02:05:59,250 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 18.93/9.57 [2019-03-29 02:05:59,251 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 18.93/9.57 [2019-03-29 02:05:59,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 18.93/9.57 [2019-03-29 02:05:59,289 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 18.93/9.57 [2019-03-29 02:05:59,292 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 18.93/9.57 [2019-03-29 02:05:59,294 INFO L271 PluginConnector]: Initializing CDTParser... 18.93/9.57 [2019-03-29 02:05:59,294 INFO L276 PluginConnector]: CDTParser initialized 18.93/9.57 [2019-03-29 02:05:59,295 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 18.93/9.57 [2019-03-29 02:05:59,357 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/df1f83fcd6894f1682b1cab912d65861/FLAG03df696b5 18.93/9.57 [2019-03-29 02:05:59,690 INFO L307 CDTParser]: Found 1 translation units. 18.93/9.57 [2019-03-29 02:05:59,691 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 18.93/9.57 [2019-03-29 02:05:59,697 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/df1f83fcd6894f1682b1cab912d65861/FLAG03df696b5 18.93/9.57 [2019-03-29 02:06:00,104 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/df1f83fcd6894f1682b1cab912d65861 18.93/9.57 [2019-03-29 02:06:00,116 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 18.93/9.57 [2019-03-29 02:06:00,118 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 18.93/9.57 [2019-03-29 02:06:00,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 18.93/9.57 [2019-03-29 02:06:00,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 18.93/9.57 [2019-03-29 02:06:00,123 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 18.93/9.57 [2019-03-29 02:06:00,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:06:00" (1/1) ... 18.93/9.57 [2019-03-29 02:06:00,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c4a59a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:00, skipping insertion in model container 18.93/9.57 [2019-03-29 02:06:00,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:06:00" (1/1) ... 18.93/9.57 [2019-03-29 02:06:00,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 18.93/9.57 [2019-03-29 02:06:00,151 INFO L176 MainTranslator]: Built tables and reachable declarations 18.93/9.57 [2019-03-29 02:06:00,313 INFO L206 PostProcessor]: Analyzing one entry point: main 18.93/9.57 [2019-03-29 02:06:00,317 INFO L191 MainTranslator]: Completed pre-run 18.93/9.57 [2019-03-29 02:06:00,334 INFO L206 PostProcessor]: Analyzing one entry point: main 18.93/9.57 [2019-03-29 02:06:00,410 INFO L195 MainTranslator]: Completed translation 18.93/9.57 [2019-03-29 02:06:00,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:00 WrapperNode 18.93/9.57 [2019-03-29 02:06:00,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 18.93/9.57 [2019-03-29 02:06:00,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 18.93/9.57 [2019-03-29 02:06:00,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 18.93/9.57 [2019-03-29 02:06:00,412 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 18.93/9.57 [2019-03-29 02:06:00,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:00" (1/1) ... 18.93/9.57 [2019-03-29 02:06:00,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:00" (1/1) ... 18.93/9.57 [2019-03-29 02:06:00,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 18.93/9.57 [2019-03-29 02:06:00,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 18.93/9.57 [2019-03-29 02:06:00,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 18.93/9.57 [2019-03-29 02:06:00,449 INFO L276 PluginConnector]: Boogie Preprocessor initialized 18.93/9.57 [2019-03-29 02:06:00,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:00" (1/1) ... 18.93/9.57 [2019-03-29 02:06:00,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:00" (1/1) ... 18.93/9.57 [2019-03-29 02:06:00,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:00" (1/1) ... 18.93/9.57 [2019-03-29 02:06:00,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:00" (1/1) ... 18.93/9.57 [2019-03-29 02:06:00,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:00" (1/1) ... 18.93/9.57 [2019-03-29 02:06:00,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:00" (1/1) ... 18.93/9.57 [2019-03-29 02:06:00,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:00" (1/1) ... 18.93/9.57 [2019-03-29 02:06:00,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 18.93/9.57 [2019-03-29 02:06:00,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 18.93/9.57 [2019-03-29 02:06:00,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... 18.93/9.57 [2019-03-29 02:06:00,471 INFO L276 PluginConnector]: RCFGBuilder initialized 18.93/9.57 [2019-03-29 02:06:00,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:00" (1/1) ... 18.93/9.57 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.93/9.57 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 18.93/9.57 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 18.93/9.57 [2019-03-29 02:06:00,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 18.93/9.57 [2019-03-29 02:06:00,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 18.93/9.57 [2019-03-29 02:06:00,688 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 18.93/9.57 [2019-03-29 02:06:00,689 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 18.93/9.57 [2019-03-29 02:06:00,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:00 BoogieIcfgContainer 18.93/9.57 [2019-03-29 02:06:00,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 18.93/9.57 [2019-03-29 02:06:00,690 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 18.93/9.57 [2019-03-29 02:06:00,691 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 18.93/9.57 [2019-03-29 02:06:00,693 INFO L276 PluginConnector]: BlockEncodingV2 initialized 18.93/9.57 [2019-03-29 02:06:00,694 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:00" (1/1) ... 18.93/9.57 [2019-03-29 02:06:00,711 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 18.93/9.57 [2019-03-29 02:06:00,714 INFO L258 BlockEncoder]: Using Remove infeasible edges 18.93/9.57 [2019-03-29 02:06:00,715 INFO L263 BlockEncoder]: Using Maximize final states 18.93/9.57 [2019-03-29 02:06:00,716 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 18.93/9.57 [2019-03-29 02:06:00,716 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 18.93/9.57 [2019-03-29 02:06:00,719 INFO L296 BlockEncoder]: Using Remove sink states 18.93/9.57 [2019-03-29 02:06:00,720 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 18.93/9.57 [2019-03-29 02:06:00,720 INFO L179 BlockEncoder]: Using Rewrite not-equals 18.93/9.57 [2019-03-29 02:06:00,737 INFO L185 BlockEncoder]: Using Use SBE 18.93/9.57 [2019-03-29 02:06:00,752 INFO L200 BlockEncoder]: SBE split 1 edges 18.93/9.57 [2019-03-29 02:06:00,757 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 18.93/9.57 [2019-03-29 02:06:00,759 INFO L71 MaximizeFinalStates]: 0 new accepting states 18.93/9.57 [2019-03-29 02:06:00,770 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 18.93/9.57 [2019-03-29 02:06:00,773 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 18.93/9.57 [2019-03-29 02:06:00,774 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 18.93/9.57 [2019-03-29 02:06:00,774 INFO L71 MaximizeFinalStates]: 0 new accepting states 18.93/9.57 [2019-03-29 02:06:00,775 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 18.93/9.57 [2019-03-29 02:06:00,775 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 18.93/9.57 [2019-03-29 02:06:00,775 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 6 edges 18.93/9.57 [2019-03-29 02:06:00,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:06:00 BasicIcfg 18.93/9.57 [2019-03-29 02:06:00,776 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 18.93/9.57 [2019-03-29 02:06:00,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 18.93/9.57 [2019-03-29 02:06:00,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... 18.93/9.57 [2019-03-29 02:06:00,781 INFO L276 PluginConnector]: TraceAbstraction initialized 18.93/9.57 [2019-03-29 02:06:00,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:06:00" (1/4) ... 18.93/9.57 [2019-03-29 02:06:00,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2469e595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:06:00, skipping insertion in model container 18.93/9.57 [2019-03-29 02:06:00,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:00" (2/4) ... 18.93/9.57 [2019-03-29 02:06:00,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2469e595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:06:00, skipping insertion in model container 18.93/9.57 [2019-03-29 02:06:00,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:00" (3/4) ... 18.93/9.57 [2019-03-29 02:06:00,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2469e595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:06:00, skipping insertion in model container 18.93/9.57 [2019-03-29 02:06:00,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:06:00" (4/4) ... 18.93/9.57 [2019-03-29 02:06:00,786 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 18.93/9.57 [2019-03-29 02:06:00,797 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 18.93/9.57 [2019-03-29 02:06:00,807 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 18.93/9.57 [2019-03-29 02:06:00,826 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 18.93/9.57 [2019-03-29 02:06:00,855 INFO L133 ementStrategyFactory]: Using default assertion order modulation 18.93/9.57 [2019-03-29 02:06:00,856 INFO L382 AbstractCegarLoop]: Interprodecural is true 18.93/9.57 [2019-03-29 02:06:00,856 INFO L383 AbstractCegarLoop]: Hoare is true 18.93/9.57 [2019-03-29 02:06:00,856 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 18.93/9.57 [2019-03-29 02:06:00,856 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 18.93/9.57 [2019-03-29 02:06:00,856 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 18.93/9.57 [2019-03-29 02:06:00,857 INFO L387 AbstractCegarLoop]: Difference is false 18.93/9.57 [2019-03-29 02:06:00,857 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 18.93/9.57 [2019-03-29 02:06:00,857 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 18.93/9.57 [2019-03-29 02:06:00,871 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 18.93/9.57 [2019-03-29 02:06:00,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 18.93/9.57 [2019-03-29 02:06:00,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 18.93/9.57 [2019-03-29 02:06:00,884 INFO L448 ceAbstractionStarter]: For program point L14(lines 14 15) no Hoare annotation was computed. 18.93/9.57 [2019-03-29 02:06:00,884 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 18.93/9.57 [2019-03-29 02:06:00,884 INFO L448 ceAbstractionStarter]: For program point L20(lines 20 21) no Hoare annotation was computed. 18.93/9.57 [2019-03-29 02:06:00,885 INFO L448 ceAbstractionStarter]: For program point L20-2(lines 5 25) no Hoare annotation was computed. 18.93/9.57 [2019-03-29 02:06:00,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:06:00 BasicIcfg 18.93/9.57 [2019-03-29 02:06:00,888 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 18.93/9.57 [2019-03-29 02:06:00,889 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 18.93/9.57 [2019-03-29 02:06:00,889 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 18.93/9.57 [2019-03-29 02:06:00,892 INFO L276 PluginConnector]: BuchiAutomizer initialized 18.93/9.57 [2019-03-29 02:06:00,893 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.93/9.57 [2019-03-29 02:06:00,893 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:06:00" (1/5) ... 18.93/9.57 [2019-03-29 02:06:00,894 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b107af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:06:00, skipping insertion in model container 18.93/9.57 [2019-03-29 02:06:00,894 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.93/9.57 [2019-03-29 02:06:00,894 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:06:00" (2/5) ... 18.93/9.57 [2019-03-29 02:06:00,895 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b107af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:06:00, skipping insertion in model container 18.93/9.57 [2019-03-29 02:06:00,895 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.93/9.57 [2019-03-29 02:06:00,895 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:06:00" (3/5) ... 18.93/9.57 [2019-03-29 02:06:00,896 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b107af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:06:00, skipping insertion in model container 18.93/9.57 [2019-03-29 02:06:00,896 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.93/9.57 [2019-03-29 02:06:00,896 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:06:00" (4/5) ... 18.93/9.57 [2019-03-29 02:06:00,896 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b107af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:06:00, skipping insertion in model container 18.93/9.57 [2019-03-29 02:06:00,896 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 18.93/9.57 [2019-03-29 02:06:00,896 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:06:00" (5/5) ... 18.93/9.57 [2019-03-29 02:06:00,898 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 18.93/9.57 [2019-03-29 02:06:00,925 INFO L133 ementStrategyFactory]: Using default assertion order modulation 18.93/9.57 [2019-03-29 02:06:00,926 INFO L374 BuchiCegarLoop]: Interprodecural is true 18.93/9.57 [2019-03-29 02:06:00,926 INFO L375 BuchiCegarLoop]: Hoare is true 18.93/9.57 [2019-03-29 02:06:00,926 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 18.93/9.57 [2019-03-29 02:06:00,926 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 18.93/9.57 [2019-03-29 02:06:00,926 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 18.93/9.57 [2019-03-29 02:06:00,926 INFO L379 BuchiCegarLoop]: Difference is false 18.93/9.57 [2019-03-29 02:06:00,926 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 18.93/9.57 [2019-03-29 02:06:00,927 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 18.93/9.57 [2019-03-29 02:06:00,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 18.93/9.57 [2019-03-29 02:06:00,948 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 18.93/9.57 [2019-03-29 02:06:00,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.93/9.57 [2019-03-29 02:06:00,949 INFO L119 BuchiIsEmpty]: Starting construction of run 18.93/9.57 [2019-03-29 02:06:00,956 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 18.93/9.57 [2019-03-29 02:06:00,956 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 18.93/9.57 [2019-03-29 02:06:00,957 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 18.93/9.57 [2019-03-29 02:06:00,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 18.93/9.57 [2019-03-29 02:06:00,957 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 18.93/9.57 [2019-03-29 02:06:00,958 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.93/9.57 [2019-03-29 02:06:00,958 INFO L119 BuchiIsEmpty]: Starting construction of run 18.93/9.57 [2019-03-29 02:06:00,958 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 18.93/9.57 [2019-03-29 02:06:00,958 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 18.93/9.57 [2019-03-29 02:06:00,963 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [29] ULTIMATE.startENTRY-->L14: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~res~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_1, ULTIMATE.start_main_~min~0=v_ULTIMATE.start_main_~min~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~res~0, ULTIMATE.start_main_~min~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 5#L14true [40] L14-->L20-2: Formula: (and (>= v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~y~0_9) (= v_ULTIMATE.start_main_~min~0_7 v_ULTIMATE.start_main_~y~0_9)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~min~0=v_ULTIMATE.start_main_~min~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~min~0] 4#L20-2true 18.93/9.57 [2019-03-29 02:06:00,964 INFO L796 eck$LassoCheckResult]: Loop: 4#L20-2true [33] L20-2-->L20: Formula: (and (= v_ULTIMATE.start_main_~y~0_11 (+ v_ULTIMATE.start_main_~y~0_12 1)) (= v_ULTIMATE.start_main_~min~0_9 v_ULTIMATE.start_main_~y~0_12) (= v_ULTIMATE.start_main_~res~0_6 (+ v_ULTIMATE.start_main_~res~0_7 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_7, ULTIMATE.start_main_~min~0=v_ULTIMATE.start_main_~min~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_6, ULTIMATE.start_main_~min~0=v_ULTIMATE.start_main_~min~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~res~0, ULTIMATE.start_main_~y~0] 6#L20true [38] L20-->L20-2: Formula: (and (< v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~y~0_6) (= v_ULTIMATE.start_main_~min~0_4 v_ULTIMATE.start_main_~x~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~min~0=v_ULTIMATE.start_main_~min~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~min~0] 4#L20-2true 18.93/9.57 [2019-03-29 02:06:00,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.93/9.57 [2019-03-29 02:06:00,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1900, now seen corresponding path program 1 times 18.93/9.57 [2019-03-29 02:06:00,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.93/9.57 [2019-03-29 02:06:00,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.93/9.57 [2019-03-29 02:06:01,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:01,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:01,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.93/9.57 [2019-03-29 02:06:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.93/9.57 [2019-03-29 02:06:01,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.93/9.57 [2019-03-29 02:06:01,088 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 1 times 18.93/9.57 [2019-03-29 02:06:01,088 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.93/9.57 [2019-03-29 02:06:01,088 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.93/9.57 [2019-03-29 02:06:01,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:01,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:01,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.93/9.57 [2019-03-29 02:06:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.93/9.57 [2019-03-29 02:06:01,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.93/9.57 [2019-03-29 02:06:01,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1826961, now seen corresponding path program 1 times 18.93/9.57 [2019-03-29 02:06:01,101 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.93/9.57 [2019-03-29 02:06:01,101 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.93/9.57 [2019-03-29 02:06:01,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:01,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:01,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.93/9.57 [2019-03-29 02:06:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.93/9.57 [2019-03-29 02:06:01,175 INFO L216 LassoAnalysis]: Preferences: 18.93/9.57 [2019-03-29 02:06:01,176 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.93/9.57 [2019-03-29 02:06:01,177 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.93/9.57 [2019-03-29 02:06:01,177 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.93/9.57 [2019-03-29 02:06:01,177 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.93/9.57 [2019-03-29 02:06:01,177 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:06:01,177 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.93/9.57 [2019-03-29 02:06:01,177 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.93/9.57 [2019-03-29 02:06:01,178 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 18.93/9.57 [2019-03-29 02:06:01,178 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.93/9.57 [2019-03-29 02:06:01,178 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.93/9.57 [2019-03-29 02:06:01,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:01,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:01,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:01,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:01,327 INFO L300 LassoAnalysis]: Preprocessing complete. 18.93/9.57 [2019-03-29 02:06:01,328 INFO L412 LassoAnalysis]: Checking for nontermination... 18.93/9.57 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.93/9.57 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.93/9.57 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:06:01,336 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.93/9.57 [2019-03-29 02:06:01,336 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.93/9.57 [2019-03-29 02:06:01,369 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.93/9.57 [2019-03-29 02:06:01,370 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: [] 18.93/9.57 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.93/9.57 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.93/9.57 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:06:01,377 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.93/9.57 [2019-03-29 02:06:01,377 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.93/9.57 [2019-03-29 02:06:01,405 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.93/9.57 [2019-03-29 02:06:01,405 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: [] 18.93/9.57 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.93/9.57 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.93/9.57 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:06:01,412 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.93/9.57 [2019-03-29 02:06:01,412 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.93/9.57 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.93/9.57 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.93/9.57 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:06:01,452 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.93/9.57 [2019-03-29 02:06:01,452 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.93/9.57 [2019-03-29 02:06:02,205 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.93/9.57 [2019-03-29 02:06:02,208 INFO L216 LassoAnalysis]: Preferences: 18.93/9.57 [2019-03-29 02:06:02,226 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.93/9.57 [2019-03-29 02:06:02,226 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.93/9.57 [2019-03-29 02:06:02,226 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.93/9.57 [2019-03-29 02:06:02,226 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.93/9.57 [2019-03-29 02:06:02,226 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:06:02,227 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.93/9.57 [2019-03-29 02:06:02,227 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.93/9.57 [2019-03-29 02:06:02,227 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 18.93/9.57 [2019-03-29 02:06:02,227 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.93/9.57 [2019-03-29 02:06:02,227 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.93/9.57 [2019-03-29 02:06:02,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:02,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:02,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:02,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:02,322 INFO L300 LassoAnalysis]: Preprocessing complete. 18.93/9.57 [2019-03-29 02:06:02,328 INFO L497 LassoAnalysis]: Using template 'affine'. 18.93/9.57 [2019-03-29 02:06:02,330 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.93/9.57 Termination analysis: LINEAR_WITH_GUESSES 18.93/9.57 Number of strict supporting invariants: 0 18.93/9.57 Number of non-strict supporting invariants: 1 18.93/9.57 Consider only non-deceasing supporting invariants: true 18.93/9.57 Simplify termination arguments: true 18.93/9.57 Simplify supporting invariants: trueOverapproximate stem: false 18.93/9.57 [2019-03-29 02:06:02,331 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.93/9.57 [2019-03-29 02:06:02,332 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.93/9.57 [2019-03-29 02:06:02,332 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.93/9.57 [2019-03-29 02:06:02,332 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.93/9.57 [2019-03-29 02:06:02,337 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 18.93/9.57 [2019-03-29 02:06:02,337 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 18.93/9.57 [2019-03-29 02:06:02,345 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.93/9.57 [2019-03-29 02:06:02,346 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.93/9.57 Termination analysis: LINEAR_WITH_GUESSES 18.93/9.57 Number of strict supporting invariants: 0 18.93/9.57 Number of non-strict supporting invariants: 1 18.93/9.57 Consider only non-deceasing supporting invariants: true 18.93/9.57 Simplify termination arguments: true 18.93/9.57 Simplify supporting invariants: trueOverapproximate stem: false 18.93/9.57 [2019-03-29 02:06:02,346 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.93/9.57 [2019-03-29 02:06:02,347 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.93/9.57 [2019-03-29 02:06:02,347 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.93/9.57 [2019-03-29 02:06:02,347 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.93/9.57 [2019-03-29 02:06:02,349 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 18.93/9.57 [2019-03-29 02:06:02,350 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 18.93/9.57 [2019-03-29 02:06:02,357 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.93/9.57 [2019-03-29 02:06:02,358 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.93/9.57 Termination analysis: LINEAR_WITH_GUESSES 18.93/9.57 Number of strict supporting invariants: 0 18.93/9.57 Number of non-strict supporting invariants: 1 18.93/9.57 Consider only non-deceasing supporting invariants: true 18.93/9.57 Simplify termination arguments: true 18.93/9.57 Simplify supporting invariants: trueOverapproximate stem: false 18.93/9.57 [2019-03-29 02:06:02,359 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.93/9.57 [2019-03-29 02:06:02,359 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.93/9.57 [2019-03-29 02:06:02,359 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.93/9.57 [2019-03-29 02:06:02,360 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.93/9.57 [2019-03-29 02:06:02,360 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.93/9.57 [2019-03-29 02:06:02,361 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.93/9.57 [2019-03-29 02:06:02,361 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.93/9.57 [2019-03-29 02:06:02,371 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.93/9.57 [2019-03-29 02:06:02,380 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 18.93/9.57 [2019-03-29 02:06:02,380 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 18.93/9.57 [2019-03-29 02:06:02,382 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.93/9.57 [2019-03-29 02:06:02,383 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 18.93/9.57 [2019-03-29 02:06:02,383 INFO L518 LassoAnalysis]: Proved termination. 18.93/9.57 [2019-03-29 02:06:02,383 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.93/9.57 Ranking function f(ULTIMATE.start_main_~min~0, ULTIMATE.start_main_~y~0) = 2*ULTIMATE.start_main_~min~0 - 2*ULTIMATE.start_main_~y~0 + 1 18.93/9.57 Supporting invariants [] 18.93/9.57 [2019-03-29 02:06:02,385 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 18.93/9.57 [2019-03-29 02:06:02,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.93/9.57 [2019-03-29 02:06:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.93/9.57 [2019-03-29 02:06:02,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core 18.93/9.57 [2019-03-29 02:06:02,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.93/9.57 [2019-03-29 02:06:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.93/9.57 [2019-03-29 02:06:02,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core 18.93/9.57 [2019-03-29 02:06:02,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.93/9.57 [2019-03-29 02:06:02,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.93/9.57 [2019-03-29 02:06:02,492 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 18.93/9.57 [2019-03-29 02:06:02,496 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 18.93/9.57 [2019-03-29 02:06:02,498 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 3 states. 18.93/9.57 [2019-03-29 02:06:02,529 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 3 states. Result 7 states and 10 transitions. Complement of second has 2 states. 18.93/9.57 [2019-03-29 02:06:02,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 18.93/9.57 [2019-03-29 02:06:02,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 18.93/9.57 [2019-03-29 02:06:02,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. 18.93/9.57 [2019-03-29 02:06:02,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. 18.93/9.57 [2019-03-29 02:06:02,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.93/9.57 [2019-03-29 02:06:02,536 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted 18.93/9.57 [2019-03-29 02:06:02,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.93/9.57 [2019-03-29 02:06:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.93/9.57 [2019-03-29 02:06:02,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core 18.93/9.57 [2019-03-29 02:06:02,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.93/9.57 [2019-03-29 02:06:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.93/9.57 [2019-03-29 02:06:02,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core 18.93/9.57 [2019-03-29 02:06:02,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.93/9.57 [2019-03-29 02:06:02,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.93/9.57 [2019-03-29 02:06:02,592 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates 18.93/9.57 [2019-03-29 02:06:02,592 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 3 states. 18.93/9.57 [2019-03-29 02:06:02,628 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 3 states. Result 11 states and 16 transitions. Complement of second has 4 states. 18.93/9.57 [2019-03-29 02:06:02,629 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 18.93/9.57 [2019-03-29 02:06:02,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 18.93/9.57 [2019-03-29 02:06:02,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. 18.93/9.57 [2019-03-29 02:06:02,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. 18.93/9.57 [2019-03-29 02:06:02,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.93/9.57 [2019-03-29 02:06:02,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 4 letters. Loop has 2 letters. 18.93/9.57 [2019-03-29 02:06:02,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.93/9.57 [2019-03-29 02:06:02,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. 18.93/9.57 [2019-03-29 02:06:02,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.93/9.57 [2019-03-29 02:06:02,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. 18.93/9.57 [2019-03-29 02:06:02,638 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 18.93/9.57 [2019-03-29 02:06:02,642 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. 18.93/9.57 [2019-03-29 02:06:02,643 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 18.93/9.57 [2019-03-29 02:06:02,644 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 18.93/9.57 [2019-03-29 02:06:02,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. 18.93/9.57 [2019-03-29 02:06:02,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.93/9.57 [2019-03-29 02:06:02,645 INFO L706 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. 18.93/9.57 [2019-03-29 02:06:02,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. 18.93/9.57 [2019-03-29 02:06:02,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. 18.93/9.57 [2019-03-29 02:06:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 18.93/9.57 [2019-03-29 02:06:02,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. 18.93/9.57 [2019-03-29 02:06:02,674 INFO L729 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. 18.93/9.57 [2019-03-29 02:06:02,674 INFO L609 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. 18.93/9.57 [2019-03-29 02:06:02,674 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 18.93/9.57 [2019-03-29 02:06:02,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. 18.93/9.57 [2019-03-29 02:06:02,675 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 18.93/9.57 [2019-03-29 02:06:02,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.93/9.57 [2019-03-29 02:06:02,675 INFO L119 BuchiIsEmpty]: Starting construction of run 18.93/9.57 [2019-03-29 02:06:02,675 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 18.93/9.57 [2019-03-29 02:06:02,675 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 18.93/9.57 [2019-03-29 02:06:02,676 INFO L794 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRY [29] ULTIMATE.startENTRY-->L14: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~res~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_1, ULTIMATE.start_main_~min~0=v_ULTIMATE.start_main_~min~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~res~0, ULTIMATE.start_main_~min~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 73#L14 [36] L14-->L20-2: Formula: (and (< v_ULTIMATE.start_main_~x~0_7 v_ULTIMATE.start_main_~y~0_7) (= v_ULTIMATE.start_main_~min~0_5 v_ULTIMATE.start_main_~x~0_7)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7, ULTIMATE.start_main_~min~0=v_ULTIMATE.start_main_~min~0_5, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~min~0] 78#L20-2 18.93/9.57 [2019-03-29 02:06:02,676 INFO L796 eck$LassoCheckResult]: Loop: 78#L20-2 [33] L20-2-->L20: Formula: (and (= v_ULTIMATE.start_main_~y~0_11 (+ v_ULTIMATE.start_main_~y~0_12 1)) (= v_ULTIMATE.start_main_~min~0_9 v_ULTIMATE.start_main_~y~0_12) (= v_ULTIMATE.start_main_~res~0_6 (+ v_ULTIMATE.start_main_~res~0_7 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_7, ULTIMATE.start_main_~min~0=v_ULTIMATE.start_main_~min~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_6, ULTIMATE.start_main_~min~0=v_ULTIMATE.start_main_~min~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~res~0, ULTIMATE.start_main_~y~0] 81#L20 [38] L20-->L20-2: Formula: (and (< v_ULTIMATE.start_main_~x~0_6 v_ULTIMATE.start_main_~y~0_6) (= v_ULTIMATE.start_main_~min~0_4 v_ULTIMATE.start_main_~x~0_6)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_6, ULTIMATE.start_main_~min~0=v_ULTIMATE.start_main_~min~0_4, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~min~0] 78#L20-2 18.93/9.57 [2019-03-29 02:06:02,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.93/9.57 [2019-03-29 02:06:02,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1896, now seen corresponding path program 1 times 18.93/9.57 [2019-03-29 02:06:02,677 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.93/9.57 [2019-03-29 02:06:02,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.93/9.57 [2019-03-29 02:06:02,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:02,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:02,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.93/9.57 [2019-03-29 02:06:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.93/9.57 [2019-03-29 02:06:02,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.93/9.57 [2019-03-29 02:06:02,686 INFO L82 PathProgramCache]: Analyzing trace with hash 2022, now seen corresponding path program 2 times 18.93/9.57 [2019-03-29 02:06:02,686 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.93/9.57 [2019-03-29 02:06:02,686 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.93/9.57 [2019-03-29 02:06:02,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:02,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:02,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.93/9.57 [2019-03-29 02:06:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.93/9.57 [2019-03-29 02:06:02,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.93/9.57 [2019-03-29 02:06:02,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1823117, now seen corresponding path program 1 times 18.93/9.57 [2019-03-29 02:06:02,694 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.93/9.57 [2019-03-29 02:06:02,694 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.93/9.57 [2019-03-29 02:06:02,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:02,696 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:02,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.93/9.57 [2019-03-29 02:06:02,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.93/9.57 [2019-03-29 02:06:02,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 18.93/9.57 [2019-03-29 02:06:02,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 18.93/9.57 [2019-03-29 02:06:02,792 INFO L216 LassoAnalysis]: Preferences: 18.93/9.57 [2019-03-29 02:06:02,792 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.93/9.57 [2019-03-29 02:06:02,792 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.93/9.57 [2019-03-29 02:06:02,792 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.93/9.57 [2019-03-29 02:06:02,793 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.93/9.57 [2019-03-29 02:06:02,793 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:06:02,793 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.93/9.57 [2019-03-29 02:06:02,793 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.93/9.57 [2019-03-29 02:06:02,793 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 18.93/9.57 [2019-03-29 02:06:02,793 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.93/9.57 [2019-03-29 02:06:02,793 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.93/9.57 [2019-03-29 02:06:02,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:02,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:02,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:02,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:02,898 INFO L300 LassoAnalysis]: Preprocessing complete. 18.93/9.57 [2019-03-29 02:06:02,898 INFO L412 LassoAnalysis]: Checking for nontermination... 18.93/9.57 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.93/9.57 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.93/9.57 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:06:02,907 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.93/9.57 [2019-03-29 02:06:02,907 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.93/9.57 [2019-03-29 02:06:02,938 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.93/9.57 [2019-03-29 02:06:02,938 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: [] 18.93/9.57 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.93/9.57 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.93/9.57 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:06:02,946 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.93/9.57 [2019-03-29 02:06:02,946 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.93/9.57 [2019-03-29 02:06:02,973 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.93/9.57 [2019-03-29 02:06:02,974 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: [] 18.93/9.57 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.93/9.57 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.93/9.57 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:06:02,981 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.93/9.57 [2019-03-29 02:06:02,981 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.93/9.57 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.93/9.57 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.93/9.57 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:06:03,014 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.93/9.57 [2019-03-29 02:06:03,014 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.93/9.57 [2019-03-29 02:06:03,908 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.93/9.57 [2019-03-29 02:06:03,911 INFO L216 LassoAnalysis]: Preferences: 18.93/9.57 [2019-03-29 02:06:03,911 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.93/9.57 [2019-03-29 02:06:03,911 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.93/9.57 [2019-03-29 02:06:03,911 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.93/9.57 [2019-03-29 02:06:03,911 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.93/9.57 [2019-03-29 02:06:03,912 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:06:03,912 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.93/9.57 [2019-03-29 02:06:03,912 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.93/9.57 [2019-03-29 02:06:03,912 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 18.93/9.57 [2019-03-29 02:06:03,912 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.93/9.57 [2019-03-29 02:06:03,912 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.93/9.57 [2019-03-29 02:06:03,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:03,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:03,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:03,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:03,992 INFO L300 LassoAnalysis]: Preprocessing complete. 18.93/9.57 [2019-03-29 02:06:03,992 INFO L497 LassoAnalysis]: Using template 'affine'. 18.93/9.57 [2019-03-29 02:06:03,993 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.93/9.57 Termination analysis: LINEAR_WITH_GUESSES 18.93/9.57 Number of strict supporting invariants: 0 18.93/9.57 Number of non-strict supporting invariants: 1 18.93/9.57 Consider only non-deceasing supporting invariants: true 18.93/9.57 Simplify termination arguments: true 18.93/9.57 Simplify supporting invariants: trueOverapproximate stem: false 18.93/9.57 [2019-03-29 02:06:03,993 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.93/9.57 [2019-03-29 02:06:03,994 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.93/9.57 [2019-03-29 02:06:03,994 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.93/9.57 [2019-03-29 02:06:03,994 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.93/9.57 [2019-03-29 02:06:03,996 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 18.93/9.57 [2019-03-29 02:06:03,996 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 18.93/9.57 [2019-03-29 02:06:03,999 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.93/9.57 [2019-03-29 02:06:04,000 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.93/9.57 Termination analysis: LINEAR_WITH_GUESSES 18.93/9.57 Number of strict supporting invariants: 0 18.93/9.57 Number of non-strict supporting invariants: 1 18.93/9.57 Consider only non-deceasing supporting invariants: true 18.93/9.57 Simplify termination arguments: true 18.93/9.57 Simplify supporting invariants: trueOverapproximate stem: false 18.93/9.57 [2019-03-29 02:06:04,000 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.93/9.57 [2019-03-29 02:06:04,000 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.93/9.57 [2019-03-29 02:06:04,001 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.93/9.57 [2019-03-29 02:06:04,001 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.93/9.57 [2019-03-29 02:06:04,003 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 18.93/9.57 [2019-03-29 02:06:04,003 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 18.93/9.57 [2019-03-29 02:06:04,008 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.93/9.57 [2019-03-29 02:06:04,008 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.93/9.57 Termination analysis: LINEAR_WITH_GUESSES 18.93/9.57 Number of strict supporting invariants: 0 18.93/9.57 Number of non-strict supporting invariants: 1 18.93/9.57 Consider only non-deceasing supporting invariants: true 18.93/9.57 Simplify termination arguments: true 18.93/9.57 Simplify supporting invariants: trueOverapproximate stem: false 18.93/9.57 [2019-03-29 02:06:04,009 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.93/9.57 [2019-03-29 02:06:04,009 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.93/9.57 [2019-03-29 02:06:04,009 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.93/9.57 [2019-03-29 02:06:04,010 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.93/9.57 [2019-03-29 02:06:04,010 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.93/9.57 [2019-03-29 02:06:04,011 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.93/9.57 [2019-03-29 02:06:04,011 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.93/9.57 [2019-03-29 02:06:04,017 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.93/9.57 [2019-03-29 02:06:04,022 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 18.93/9.57 [2019-03-29 02:06:04,022 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 18.93/9.57 [2019-03-29 02:06:04,023 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.93/9.57 [2019-03-29 02:06:04,023 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 18.93/9.57 [2019-03-29 02:06:04,023 INFO L518 LassoAnalysis]: Proved termination. 18.93/9.57 [2019-03-29 02:06:04,023 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.93/9.57 Ranking function f(ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~min~0) = -2*ULTIMATE.start_main_~y~0 + 2*ULTIMATE.start_main_~min~0 + 1 18.93/9.57 Supporting invariants [] 18.93/9.57 [2019-03-29 02:06:04,024 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 18.93/9.57 [2019-03-29 02:06:04,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.93/9.57 [2019-03-29 02:06:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.93/9.57 [2019-03-29 02:06:04,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core 18.93/9.57 [2019-03-29 02:06:04,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.93/9.57 [2019-03-29 02:06:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.93/9.57 [2019-03-29 02:06:04,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core 18.93/9.57 [2019-03-29 02:06:04,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.93/9.57 [2019-03-29 02:06:04,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.93/9.57 [2019-03-29 02:06:04,067 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 18.93/9.57 [2019-03-29 02:06:04,067 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 18.93/9.57 [2019-03-29 02:06:04,067 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 10 states and 15 transitions. cyclomatic complexity: 8 Second operand 3 states. 18.93/9.57 [2019-03-29 02:06:04,084 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 10 states and 15 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 13 states and 19 transitions. Complement of second has 2 states. 18.93/9.57 [2019-03-29 02:06:04,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states 18.93/9.57 [2019-03-29 02:06:04,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 18.93/9.57 [2019-03-29 02:06:04,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 8 transitions. 18.93/9.57 [2019-03-29 02:06:04,085 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. 18.93/9.57 [2019-03-29 02:06:04,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.93/9.57 [2019-03-29 02:06:04,086 INFO L642 RefineBuchi]: Bad chosen interpolant automaton: word not accepted 18.93/9.57 [2019-03-29 02:06:04,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.93/9.57 [2019-03-29 02:06:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.93/9.57 [2019-03-29 02:06:04,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core 18.93/9.57 [2019-03-29 02:06:04,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.93/9.57 [2019-03-29 02:06:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.93/9.57 [2019-03-29 02:06:04,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core 18.93/9.57 [2019-03-29 02:06:04,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.93/9.57 [2019-03-29 02:06:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.93/9.57 [2019-03-29 02:06:04,131 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates 18.93/9.57 [2019-03-29 02:06:04,132 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 10 states and 15 transitions. cyclomatic complexity: 8 Second operand 3 states. 18.93/9.57 [2019-03-29 02:06:04,164 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 10 states and 15 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 15 states and 22 transitions. Complement of second has 4 states. 18.93/9.57 [2019-03-29 02:06:04,164 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 18.93/9.57 [2019-03-29 02:06:04,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 18.93/9.57 [2019-03-29 02:06:04,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. 18.93/9.57 [2019-03-29 02:06:04,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. 18.93/9.57 [2019-03-29 02:06:04,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.93/9.57 [2019-03-29 02:06:04,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 4 letters. Loop has 2 letters. 18.93/9.57 [2019-03-29 02:06:04,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.93/9.57 [2019-03-29 02:06:04,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 4 letters. 18.93/9.57 [2019-03-29 02:06:04,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.93/9.57 [2019-03-29 02:06:04,167 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 22 transitions. 18.93/9.57 [2019-03-29 02:06:04,168 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 18.93/9.57 [2019-03-29 02:06:04,169 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 22 transitions. 18.93/9.57 [2019-03-29 02:06:04,169 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 18.93/9.57 [2019-03-29 02:06:04,169 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 18.93/9.57 [2019-03-29 02:06:04,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 22 transitions. 18.93/9.57 [2019-03-29 02:06:04,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 18.93/9.57 [2019-03-29 02:06:04,170 INFO L706 BuchiCegarLoop]: Abstraction has 15 states and 22 transitions. 18.93/9.57 [2019-03-29 02:06:04,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 22 transitions. 18.93/9.57 [2019-03-29 02:06:04,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 8. 18.93/9.57 [2019-03-29 02:06:04,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. 18.93/9.57 [2019-03-29 02:06:04,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 12 transitions. 18.93/9.57 [2019-03-29 02:06:04,172 INFO L729 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. 18.93/9.57 [2019-03-29 02:06:04,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 18.93/9.57 [2019-03-29 02:06:04,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 18.93/9.57 [2019-03-29 02:06:04,175 INFO L87 Difference]: Start difference. First operand 8 states and 12 transitions. Second operand 3 states. 18.93/9.57 [2019-03-29 02:06:04,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 18.93/9.57 [2019-03-29 02:06:04,187 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. 18.93/9.57 [2019-03-29 02:06:04,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 18.93/9.57 [2019-03-29 02:06:04,189 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. 18.93/9.57 [2019-03-29 02:06:04,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 18.93/9.57 [2019-03-29 02:06:04,190 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 5 states and 5 transitions. 18.93/9.57 [2019-03-29 02:06:04,191 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 18.93/9.57 [2019-03-29 02:06:04,191 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 18.93/9.57 [2019-03-29 02:06:04,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5 transitions. 18.93/9.57 [2019-03-29 02:06:04,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 18.93/9.57 [2019-03-29 02:06:04,191 INFO L706 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. 18.93/9.57 [2019-03-29 02:06:04,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 5 transitions. 18.93/9.57 [2019-03-29 02:06:04,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 4. 18.93/9.57 [2019-03-29 02:06:04,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 18.93/9.57 [2019-03-29 02:06:04,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. 18.93/9.57 [2019-03-29 02:06:04,192 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 4 transitions. 18.93/9.57 [2019-03-29 02:06:04,192 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 4 transitions. 18.93/9.57 [2019-03-29 02:06:04,193 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 18.93/9.57 [2019-03-29 02:06:04,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 4 transitions. 18.93/9.57 [2019-03-29 02:06:04,193 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 18.93/9.57 [2019-03-29 02:06:04,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 18.93/9.57 [2019-03-29 02:06:04,193 INFO L119 BuchiIsEmpty]: Starting construction of run 18.93/9.57 [2019-03-29 02:06:04,194 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 18.93/9.57 [2019-03-29 02:06:04,194 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 18.93/9.57 [2019-03-29 02:06:04,194 INFO L794 eck$LassoCheckResult]: Stem: 175#ULTIMATE.startENTRY [29] ULTIMATE.startENTRY-->L14: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~res~0_1 0) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_1, ULTIMATE.start_main_~min~0=v_ULTIMATE.start_main_~min~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~res~0, ULTIMATE.start_main_~min~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 176#L14 [40] L14-->L20-2: Formula: (and (>= v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~y~0_9) (= v_ULTIMATE.start_main_~min~0_7 v_ULTIMATE.start_main_~y~0_9)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~min~0=v_ULTIMATE.start_main_~min~0_7, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~min~0] 177#L20-2 18.93/9.57 [2019-03-29 02:06:04,194 INFO L796 eck$LassoCheckResult]: Loop: 177#L20-2 [33] L20-2-->L20: Formula: (and (= v_ULTIMATE.start_main_~y~0_11 (+ v_ULTIMATE.start_main_~y~0_12 1)) (= v_ULTIMATE.start_main_~min~0_9 v_ULTIMATE.start_main_~y~0_12) (= v_ULTIMATE.start_main_~res~0_6 (+ v_ULTIMATE.start_main_~res~0_7 1))) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_12, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_7, ULTIMATE.start_main_~min~0=v_ULTIMATE.start_main_~min~0_9} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_11, ULTIMATE.start_main_~res~0=v_ULTIMATE.start_main_~res~0_6, ULTIMATE.start_main_~min~0=v_ULTIMATE.start_main_~min~0_9} AuxVars[] AssignedVars[ULTIMATE.start_main_~res~0, ULTIMATE.start_main_~y~0] 178#L20 [42] L20-->L20-2: Formula: (and (= v_ULTIMATE.start_main_~min~0_6 v_ULTIMATE.start_main_~y~0_8) (>= v_ULTIMATE.start_main_~x~0_8 v_ULTIMATE.start_main_~y~0_8)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~min~0=v_ULTIMATE.start_main_~min~0_6, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~min~0] 177#L20-2 18.93/9.57 [2019-03-29 02:06:04,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.93/9.57 [2019-03-29 02:06:04,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1900, now seen corresponding path program 2 times 18.93/9.57 [2019-03-29 02:06:04,195 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.93/9.57 [2019-03-29 02:06:04,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.93/9.57 [2019-03-29 02:06:04,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:04,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:04,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.93/9.57 [2019-03-29 02:06:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.93/9.57 [2019-03-29 02:06:04,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.93/9.57 [2019-03-29 02:06:04,203 INFO L82 PathProgramCache]: Analyzing trace with hash 2026, now seen corresponding path program 1 times 18.93/9.57 [2019-03-29 02:06:04,204 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.93/9.57 [2019-03-29 02:06:04,204 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.93/9.57 [2019-03-29 02:06:04,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:04,205 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:04,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.93/9.57 [2019-03-29 02:06:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.93/9.57 [2019-03-29 02:06:04,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.93/9.57 [2019-03-29 02:06:04,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1826965, now seen corresponding path program 1 times 18.93/9.57 [2019-03-29 02:06:04,211 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 18.93/9.57 [2019-03-29 02:06:04,211 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 18.93/9.57 [2019-03-29 02:06:04,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:04,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:04,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 18.93/9.57 [2019-03-29 02:06:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.93/9.57 [2019-03-29 02:06:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 18.93/9.57 [2019-03-29 02:06:04,245 INFO L216 LassoAnalysis]: Preferences: 18.93/9.57 [2019-03-29 02:06:04,245 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.93/9.57 [2019-03-29 02:06:04,246 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.93/9.57 [2019-03-29 02:06:04,246 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.93/9.57 [2019-03-29 02:06:04,246 INFO L127 ssoRankerPreferences]: Use exernal solver: true 18.93/9.57 [2019-03-29 02:06:04,246 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:06:04,246 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.93/9.57 [2019-03-29 02:06:04,246 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.93/9.57 [2019-03-29 02:06:04,246 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 18.93/9.57 [2019-03-29 02:06:04,246 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.93/9.57 [2019-03-29 02:06:04,247 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.93/9.57 [2019-03-29 02:06:04,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:04,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:04,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:04,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:04,326 INFO L300 LassoAnalysis]: Preprocessing complete. 18.93/9.57 [2019-03-29 02:06:04,327 INFO L412 LassoAnalysis]: Checking for nontermination... 18.93/9.57 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.93/9.57 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.93/9.57 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:06:04,332 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.93/9.57 [2019-03-29 02:06:04,333 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.93/9.57 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.93/9.57 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.93/9.57 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:06:04,365 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.93/9.57 [2019-03-29 02:06:04,365 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.93/9.57 [2019-03-29 02:06:04,383 INFO L445 LassoAnalysis]: Proved nontermination for one component. 18.93/9.57 [2019-03-29 02:06:04,384 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0=0} Honda state: {ULTIMATE.start_main_~res~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~res~0=7}, {ULTIMATE.start_main_~res~0=-7}, {ULTIMATE.start_main_~res~0=1}] Lambdas: [2, 1, 1] Nus: [1, 0] 18.93/9.57 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.93/9.57 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.93/9.57 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:06:04,413 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 18.93/9.57 [2019-03-29 02:06:04,413 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.93/9.57 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 18.93/9.57 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 18.93/9.57 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:06:04,446 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 18.93/9.57 [2019-03-29 02:06:04,446 INFO L163 nArgumentSynthesizer]: Using integer mode. 18.93/9.57 [2019-03-29 02:06:05,051 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 18.93/9.57 [2019-03-29 02:06:05,054 INFO L216 LassoAnalysis]: Preferences: 18.93/9.57 [2019-03-29 02:06:05,054 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 18.93/9.57 [2019-03-29 02:06:05,055 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 18.93/9.57 [2019-03-29 02:06:05,055 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 18.93/9.57 [2019-03-29 02:06:05,055 INFO L127 ssoRankerPreferences]: Use exernal solver: false 18.93/9.57 [2019-03-29 02:06:05,055 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 18.93/9.57 [2019-03-29 02:06:05,055 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 18.93/9.57 [2019-03-29 02:06:05,055 INFO L130 ssoRankerPreferences]: Path of dumped script: 18.93/9.57 [2019-03-29 02:06:05,055 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 18.93/9.57 [2019-03-29 02:06:05,055 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 18.93/9.57 [2019-03-29 02:06:05,056 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 18.93/9.57 [2019-03-29 02:06:05,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:05,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:05,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:05,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 18.93/9.57 [2019-03-29 02:06:05,149 INFO L300 LassoAnalysis]: Preprocessing complete. 18.93/9.57 [2019-03-29 02:06:05,149 INFO L497 LassoAnalysis]: Using template 'affine'. 18.93/9.57 [2019-03-29 02:06:05,150 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.93/9.57 Termination analysis: LINEAR_WITH_GUESSES 18.93/9.57 Number of strict supporting invariants: 0 18.93/9.57 Number of non-strict supporting invariants: 1 18.93/9.57 Consider only non-deceasing supporting invariants: true 18.93/9.57 Simplify termination arguments: true 18.93/9.57 Simplify supporting invariants: trueOverapproximate stem: false 18.93/9.57 [2019-03-29 02:06:05,151 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.93/9.57 [2019-03-29 02:06:05,151 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.93/9.57 [2019-03-29 02:06:05,151 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.93/9.57 [2019-03-29 02:06:05,151 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.93/9.57 [2019-03-29 02:06:05,151 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.93/9.57 [2019-03-29 02:06:05,152 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.93/9.57 [2019-03-29 02:06:05,152 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.93/9.57 [2019-03-29 02:06:05,155 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 18.93/9.57 [2019-03-29 02:06:05,155 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 18.93/9.57 Termination analysis: LINEAR_WITH_GUESSES 18.93/9.57 Number of strict supporting invariants: 0 18.93/9.57 Number of non-strict supporting invariants: 1 18.93/9.57 Consider only non-deceasing supporting invariants: true 18.93/9.57 Simplify termination arguments: true 18.93/9.57 Simplify supporting invariants: trueOverapproximate stem: false 18.93/9.57 [2019-03-29 02:06:05,155 INFO L339 nArgumentSynthesizer]: Template has degree 0. 18.93/9.57 [2019-03-29 02:06:05,156 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 18.93/9.57 [2019-03-29 02:06:05,156 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 18.93/9.57 [2019-03-29 02:06:05,156 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 18.93/9.57 [2019-03-29 02:06:05,156 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 18.93/9.57 [2019-03-29 02:06:05,157 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 18.93/9.57 [2019-03-29 02:06:05,157 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 18.93/9.57 [2019-03-29 02:06:05,162 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 18.93/9.57 [2019-03-29 02:06:05,168 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 18.93/9.57 [2019-03-29 02:06:05,168 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 18.93/9.57 [2019-03-29 02:06:05,169 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 18.93/9.57 [2019-03-29 02:06:05,169 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 18.93/9.57 [2019-03-29 02:06:05,169 INFO L518 LassoAnalysis]: Proved termination. 18.93/9.57 [2019-03-29 02:06:05,169 INFO L520 LassoAnalysis]: Termination argument consisting of: 18.93/9.57 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 18.93/9.57 Supporting invariants [] 18.93/9.57 [2019-03-29 02:06:05,170 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 18.93/9.57 [2019-03-29 02:06:05,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 18.93/9.57 [2019-03-29 02:06:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.93/9.57 [2019-03-29 02:06:05,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core 18.93/9.57 [2019-03-29 02:06:05,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.93/9.57 [2019-03-29 02:06:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 18.93/9.57 [2019-03-29 02:06:05,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core 18.93/9.57 [2019-03-29 02:06:05,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... 18.93/9.57 [2019-03-29 02:06:05,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 18.93/9.57 [2019-03-29 02:06:05,198 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 18.93/9.57 [2019-03-29 02:06:05,198 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 18.93/9.57 [2019-03-29 02:06:05,198 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states and 4 transitions. cyclomatic complexity: 1 Second operand 3 states. 18.93/9.57 [2019-03-29 02:06:05,211 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states and 4 transitions. cyclomatic complexity: 1. Second operand 3 states. Result 6 states and 7 transitions. Complement of second has 4 states. 18.93/9.57 [2019-03-29 02:06:05,211 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 18.93/9.57 [2019-03-29 02:06:05,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 18.93/9.57 [2019-03-29 02:06:05,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 18.93/9.57 [2019-03-29 02:06:05,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 2 letters. 18.93/9.57 [2019-03-29 02:06:05,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.93/9.57 [2019-03-29 02:06:05,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 4 letters. Loop has 2 letters. 18.93/9.57 [2019-03-29 02:06:05,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.93/9.57 [2019-03-29 02:06:05,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 4 letters. 18.93/9.57 [2019-03-29 02:06:05,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. 18.93/9.57 [2019-03-29 02:06:05,214 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. 18.93/9.57 [2019-03-29 02:06:05,215 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 18.93/9.57 [2019-03-29 02:06:05,215 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 0 states and 0 transitions. 18.93/9.57 [2019-03-29 02:06:05,215 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 18.93/9.57 [2019-03-29 02:06:05,215 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 18.93/9.57 [2019-03-29 02:06:05,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 18.93/9.57 [2019-03-29 02:06:05,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 18.93/9.57 [2019-03-29 02:06:05,215 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 18.93/9.57 [2019-03-29 02:06:05,216 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 18.93/9.57 [2019-03-29 02:06:05,216 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 18.93/9.57 [2019-03-29 02:06:05,216 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 18.93/9.57 [2019-03-29 02:06:05,216 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 18.93/9.57 [2019-03-29 02:06:05,216 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 18.93/9.57 [2019-03-29 02:06:05,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 18.93/9.57 [2019-03-29 02:06:05,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:06:05 BasicIcfg 18.93/9.57 [2019-03-29 02:06:05,222 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 18.93/9.57 [2019-03-29 02:06:05,223 INFO L168 Benchmark]: Toolchain (without parser) took 5105.58 ms. Allocated memory was 649.6 MB in the beginning and 733.0 MB in the end (delta: 83.4 MB). Free memory was 563.9 MB in the beginning and 663.8 MB in the end (delta: -99.9 MB). There was no memory consumed. Max. memory is 50.3 GB. 18.93/9.57 [2019-03-29 02:06:05,224 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 591.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 18.93/9.57 [2019-03-29 02:06:05,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.75 ms. Allocated memory was 649.6 MB in the beginning and 651.2 MB in the end (delta: 1.6 MB). Free memory was 563.9 MB in the beginning and 617.6 MB in the end (delta: -53.7 MB). Peak memory consumption was 30.2 MB. Max. memory is 50.3 GB. 18.93/9.57 [2019-03-29 02:06:05,225 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.70 ms. Allocated memory is still 651.2 MB. Free memory was 615.8 MB in the beginning and 614.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 18.93/9.57 [2019-03-29 02:06:05,226 INFO L168 Benchmark]: Boogie Preprocessor took 20.90 ms. Allocated memory is still 651.2 MB. Free memory was 614.5 MB in the beginning and 613.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 18.93/9.57 [2019-03-29 02:06:05,226 INFO L168 Benchmark]: RCFGBuilder took 219.65 ms. Allocated memory is still 651.2 MB. Free memory was 613.1 MB in the beginning and 600.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 18.93/9.57 [2019-03-29 02:06:05,227 INFO L168 Benchmark]: BlockEncodingV2 took 85.87 ms. Allocated memory is still 651.2 MB. Free memory was 600.2 MB in the beginning and 594.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 18.93/9.57 [2019-03-29 02:06:05,228 INFO L168 Benchmark]: TraceAbstraction took 110.89 ms. Allocated memory is still 651.2 MB. Free memory was 594.8 MB in the beginning and 588.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 50.3 GB. 18.93/9.57 [2019-03-29 02:06:05,228 INFO L168 Benchmark]: BuchiAutomizer took 4333.41 ms. Allocated memory was 651.2 MB in the beginning and 733.0 MB in the end (delta: 81.8 MB). Free memory was 588.0 MB in the beginning and 663.8 MB in the end (delta: -75.8 MB). Peak memory consumption was 6.0 MB. Max. memory is 50.3 GB. 18.93/9.57 [2019-03-29 02:06:05,232 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 18.93/9.57 --- Results --- 18.93/9.57 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 18.93/9.57 - StatisticsResult: Initial Icfg 18.93/9.57 8 locations, 11 edges 18.93/9.57 - StatisticsResult: Encoded RCFG 18.93/9.57 4 locations, 6 edges 18.93/9.57 * Results from de.uni_freiburg.informatik.ultimate.core: 18.93/9.57 - StatisticsResult: Toolchain Benchmarks 18.93/9.57 Benchmark results are: 18.93/9.57 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 591.9 MB. There was no memory consumed. Max. memory is 50.3 GB. 18.93/9.57 * CACSL2BoogieTranslator took 291.75 ms. Allocated memory was 649.6 MB in the beginning and 651.2 MB in the end (delta: 1.6 MB). Free memory was 563.9 MB in the beginning and 617.6 MB in the end (delta: -53.7 MB). Peak memory consumption was 30.2 MB. Max. memory is 50.3 GB. 18.93/9.57 * Boogie Procedure Inliner took 37.70 ms. Allocated memory is still 651.2 MB. Free memory was 615.8 MB in the beginning and 614.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 18.93/9.57 * Boogie Preprocessor took 20.90 ms. Allocated memory is still 651.2 MB. Free memory was 614.5 MB in the beginning and 613.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 18.93/9.57 * RCFGBuilder took 219.65 ms. Allocated memory is still 651.2 MB. Free memory was 613.1 MB in the beginning and 600.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 50.3 GB. 18.93/9.57 * BlockEncodingV2 took 85.87 ms. Allocated memory is still 651.2 MB. Free memory was 600.2 MB in the beginning and 594.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 18.93/9.57 * TraceAbstraction took 110.89 ms. Allocated memory is still 651.2 MB. Free memory was 594.8 MB in the beginning and 588.0 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 50.3 GB. 18.93/9.57 * BuchiAutomizer took 4333.41 ms. Allocated memory was 651.2 MB in the beginning and 733.0 MB in the end (delta: 81.8 MB). Free memory was 588.0 MB in the beginning and 663.8 MB in the end (delta: -75.8 MB). Peak memory consumption was 6.0 MB. Max. memory is 50.3 GB. 18.93/9.57 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 18.93/9.57 - AllSpecificationsHoldResult: All specifications hold 18.93/9.57 We were not able to verify any specifiation because the program does not contain any specification. 18.93/9.57 - StatisticsResult: Ultimate Automizer benchmark data 18.93/9.57 CFG has 1 procedures, 4 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 18.93/9.57 - StatisticsResult: Constructed decomposition of program 18.93/9.57 Your program was decomposed into 4 terminating modules (1 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function 2 * min + -2 * y + 1 and consists of 3 locations. One nondeterministic module has affine ranking function -2 * y + 2 * min + 1 and consists of 3 locations. One nondeterministic module has affine ranking function -1 * y + x and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 18.93/9.57 - StatisticsResult: Timing statistics 18.93/9.57 BüchiAutomizer plugin needed 4.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [1, 2, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 22 SDtfs, 28 SDslu, 0 SDs, 0 SdLazy, 45 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax157 hnf100 lsp48 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq187 hnf90 smp100 dnf100 smp100 tf107 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.5s 18.93/9.57 - TerminationAnalysisResult: Termination proven 18.93/9.57 Buchi Automizer proved that your program is terminating 18.93/9.57 RESULT: Ultimate proved your program to be correct! 18.93/9.57 !SESSION 2019-03-29 02:05:56.806 ----------------------------------------------- 18.93/9.57 eclipse.buildId=unknown 18.93/9.57 java.version=1.8.0_181 18.93/9.57 java.vendor=Oracle Corporation 18.93/9.57 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 18.93/9.57 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 18.93/9.57 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 18.93/9.57 18.93/9.57 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:06:05.466 18.93/9.57 !MESSAGE The workspace will exit with unsaved changes in this session. 18.93/9.57 Received shutdown request... 18.93/9.57 Ultimate: 18.93/9.57 GTK+ Version Check 18.93/9.57 EOF