17.15/8.75 YES 17.15/8.75 17.15/8.75 Ultimate: Cannot open display: 17.15/8.75 This is Ultimate 0.1.24-8dc7c08-m 17.15/8.75 [2019-03-28 22:59:16,204 INFO L170 SettingsManager]: Resetting all preferences to default values... 17.15/8.75 [2019-03-28 22:59:16,206 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 17.15/8.75 [2019-03-28 22:59:16,217 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 17.15/8.75 [2019-03-28 22:59:16,217 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 17.15/8.75 [2019-03-28 22:59:16,218 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 17.15/8.75 [2019-03-28 22:59:16,220 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 17.15/8.75 [2019-03-28 22:59:16,221 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 17.15/8.75 [2019-03-28 22:59:16,223 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 17.15/8.75 [2019-03-28 22:59:16,223 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 17.15/8.75 [2019-03-28 22:59:16,224 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 17.15/8.75 [2019-03-28 22:59:16,224 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 17.15/8.75 [2019-03-28 22:59:16,225 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 17.15/8.75 [2019-03-28 22:59:16,226 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 17.15/8.75 [2019-03-28 22:59:16,227 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 17.15/8.75 [2019-03-28 22:59:16,228 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 17.15/8.75 [2019-03-28 22:59:16,229 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 17.15/8.75 [2019-03-28 22:59:16,231 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 17.15/8.75 [2019-03-28 22:59:16,232 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 17.15/8.75 [2019-03-28 22:59:16,234 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 17.15/8.75 [2019-03-28 22:59:16,235 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 17.15/8.75 [2019-03-28 22:59:16,236 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 17.15/8.75 [2019-03-28 22:59:16,238 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 17.15/8.75 [2019-03-28 22:59:16,238 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 17.15/8.75 [2019-03-28 22:59:16,239 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 17.15/8.75 [2019-03-28 22:59:16,239 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 17.15/8.75 [2019-03-28 22:59:16,240 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 17.15/8.75 [2019-03-28 22:59:16,241 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 17.15/8.75 [2019-03-28 22:59:16,241 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 17.15/8.75 [2019-03-28 22:59:16,242 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 17.15/8.75 [2019-03-28 22:59:16,242 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 17.15/8.75 [2019-03-28 22:59:16,243 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 17.15/8.75 [2019-03-28 22:59:16,244 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 17.15/8.75 [2019-03-28 22:59:16,244 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 17.15/8.75 [2019-03-28 22:59:16,245 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 17.15/8.75 [2019-03-28 22:59:16,245 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 17.15/8.75 [2019-03-28 22:59:16,245 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 17.15/8.75 [2019-03-28 22:59:16,246 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 17.15/8.75 [2019-03-28 22:59:16,247 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 17.15/8.75 [2019-03-28 22:59:16,247 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 17.15/8.75 [2019-03-28 22:59:16,262 INFO L110 SettingsManager]: Loading preferences was successful 17.15/8.75 [2019-03-28 22:59:16,262 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 17.15/8.75 [2019-03-28 22:59:16,263 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 17.15/8.75 [2019-03-28 22:59:16,263 INFO L133 SettingsManager]: * Rewrite not-equals=true 17.15/8.75 [2019-03-28 22:59:16,264 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 17.15/8.75 [2019-03-28 22:59:16,264 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 17.15/8.75 [2019-03-28 22:59:16,264 INFO L133 SettingsManager]: * Use SBE=true 17.15/8.75 [2019-03-28 22:59:16,264 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 17.15/8.75 [2019-03-28 22:59:16,264 INFO L133 SettingsManager]: * Use old map elimination=false 17.15/8.75 [2019-03-28 22:59:16,265 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 17.15/8.75 [2019-03-28 22:59:16,265 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 17.15/8.75 [2019-03-28 22:59:16,265 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 17.15/8.75 [2019-03-28 22:59:16,265 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 17.15/8.75 [2019-03-28 22:59:16,265 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 17.15/8.75 [2019-03-28 22:59:16,265 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:16,266 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 17.15/8.75 [2019-03-28 22:59:16,266 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 17.15/8.75 [2019-03-28 22:59:16,266 INFO L133 SettingsManager]: * Check division by zero=IGNORE 17.15/8.75 [2019-03-28 22:59:16,266 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 17.15/8.75 [2019-03-28 22:59:16,266 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 17.15/8.75 [2019-03-28 22:59:16,266 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 17.15/8.75 [2019-03-28 22:59:16,267 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 17.15/8.75 [2019-03-28 22:59:16,267 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 17.15/8.75 [2019-03-28 22:59:16,267 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 17.15/8.75 [2019-03-28 22:59:16,267 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.15/8.75 [2019-03-28 22:59:16,267 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 17.15/8.75 [2019-03-28 22:59:16,268 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 17.15/8.75 [2019-03-28 22:59:16,268 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 17.15/8.75 [2019-03-28 22:59:16,268 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 17.15/8.75 [2019-03-28 22:59:16,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 17.15/8.75 [2019-03-28 22:59:16,307 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 17.15/8.75 [2019-03-28 22:59:16,310 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 17.15/8.75 [2019-03-28 22:59:16,312 INFO L271 PluginConnector]: Initializing CDTParser... 17.15/8.75 [2019-03-28 22:59:16,312 INFO L276 PluginConnector]: CDTParser initialized 17.15/8.75 [2019-03-28 22:59:16,313 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 17.15/8.75 [2019-03-28 22:59:16,428 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/accf7bd95eee41c180e15188c9699c57/FLAGb9209b245 17.15/8.75 [2019-03-28 22:59:16,767 INFO L307 CDTParser]: Found 1 translation units. 17.15/8.75 [2019-03-28 22:59:16,768 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 17.15/8.75 [2019-03-28 22:59:16,774 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/accf7bd95eee41c180e15188c9699c57/FLAGb9209b245 17.15/8.75 [2019-03-28 22:59:17,173 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/accf7bd95eee41c180e15188c9699c57 17.15/8.75 [2019-03-28 22:59:17,184 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 17.15/8.75 [2019-03-28 22:59:17,186 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 17.15/8.75 [2019-03-28 22:59:17,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 17.15/8.75 [2019-03-28 22:59:17,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 17.15/8.75 [2019-03-28 22:59:17,191 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 17.15/8.75 [2019-03-28 22:59:17,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:59:17" (1/1) ... 17.15/8.75 [2019-03-28 22:59:17,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ecefc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17, skipping insertion in model container 17.15/8.75 [2019-03-28 22:59:17,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 10:59:17" (1/1) ... 17.15/8.75 [2019-03-28 22:59:17,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 17.15/8.75 [2019-03-28 22:59:17,221 INFO L176 MainTranslator]: Built tables and reachable declarations 17.15/8.75 [2019-03-28 22:59:17,380 INFO L206 PostProcessor]: Analyzing one entry point: main 17.15/8.75 [2019-03-28 22:59:17,384 INFO L191 MainTranslator]: Completed pre-run 17.15/8.75 [2019-03-28 22:59:17,401 INFO L206 PostProcessor]: Analyzing one entry point: main 17.15/8.75 [2019-03-28 22:59:17,416 INFO L195 MainTranslator]: Completed translation 17.15/8.75 [2019-03-28 22:59:17,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17 WrapperNode 17.15/8.75 [2019-03-28 22:59:17,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 17.15/8.75 [2019-03-28 22:59:17,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 17.15/8.75 [2019-03-28 22:59:17,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 17.15/8.75 [2019-03-28 22:59:17,418 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 17.15/8.75 [2019-03-28 22:59:17,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 17.15/8.75 [2019-03-28 22:59:17,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 17.15/8.75 [2019-03-28 22:59:17,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 17.15/8.75 [2019-03-28 22:59:17,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 17.15/8.75 [2019-03-28 22:59:17,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 17.15/8.75 [2019-03-28 22:59:17,516 INFO L276 PluginConnector]: Boogie Preprocessor initialized 17.15/8.75 [2019-03-28 22:59:17,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 17.15/8.75 [2019-03-28 22:59:17,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 17.15/8.75 [2019-03-28 22:59:17,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 17.15/8.75 [2019-03-28 22:59:17,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 17.15/8.75 [2019-03-28 22:59:17,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 17.15/8.75 [2019-03-28 22:59:17,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 17.15/8.75 [2019-03-28 22:59:17,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 17.15/8.75 [2019-03-28 22:59:17,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 17.15/8.75 [2019-03-28 22:59:17,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 17.15/8.75 [2019-03-28 22:59:17,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... 17.15/8.75 [2019-03-28 22:59:17,536 INFO L276 PluginConnector]: RCFGBuilder initialized 17.15/8.75 [2019-03-28 22:59:17,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (1/1) ... 17.15/8.75 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.15/8.75 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 17.15/8.75 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.15/8.75 [2019-03-28 22:59:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 17.15/8.75 [2019-03-28 22:59:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 17.15/8.75 [2019-03-28 22:59:17,731 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 17.15/8.75 [2019-03-28 22:59:17,732 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 17.15/8.75 [2019-03-28 22:59:17,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:59:17 BoogieIcfgContainer 17.15/8.75 [2019-03-28 22:59:17,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 17.15/8.75 [2019-03-28 22:59:17,753 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 17.15/8.75 [2019-03-28 22:59:17,753 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 17.15/8.75 [2019-03-28 22:59:17,756 INFO L276 PluginConnector]: BlockEncodingV2 initialized 17.15/8.75 [2019-03-28 22:59:17,756 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:59:17" (1/1) ... 17.15/8.75 [2019-03-28 22:59:17,771 INFO L313 BlockEncoder]: Initial Icfg 8 locations, 11 edges 17.15/8.75 [2019-03-28 22:59:17,773 INFO L258 BlockEncoder]: Using Remove infeasible edges 17.15/8.75 [2019-03-28 22:59:17,774 INFO L263 BlockEncoder]: Using Maximize final states 17.15/8.75 [2019-03-28 22:59:17,775 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 17.15/8.75 [2019-03-28 22:59:17,775 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 17.15/8.75 [2019-03-28 22:59:17,777 INFO L296 BlockEncoder]: Using Remove sink states 17.15/8.75 [2019-03-28 22:59:17,778 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 17.15/8.75 [2019-03-28 22:59:17,778 INFO L179 BlockEncoder]: Using Rewrite not-equals 17.15/8.75 [2019-03-28 22:59:17,793 INFO L185 BlockEncoder]: Using Use SBE 17.15/8.75 [2019-03-28 22:59:17,807 INFO L200 BlockEncoder]: SBE split 1 edges 17.15/8.75 [2019-03-28 22:59:17,811 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 17.15/8.75 [2019-03-28 22:59:17,813 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.15/8.75 [2019-03-28 22:59:17,826 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 17.15/8.75 [2019-03-28 22:59:17,828 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 17.15/8.75 [2019-03-28 22:59:17,829 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 17.15/8.75 [2019-03-28 22:59:17,830 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.15/8.75 [2019-03-28 22:59:17,830 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 17.15/8.75 [2019-03-28 22:59:17,830 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 17.15/8.75 [2019-03-28 22:59:17,831 INFO L313 BlockEncoder]: Encoded RCFG 4 locations, 6 edges 17.15/8.75 [2019-03-28 22:59:17,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:59:17 BasicIcfg 17.15/8.75 [2019-03-28 22:59:17,831 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 17.15/8.75 [2019-03-28 22:59:17,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 17.15/8.75 [2019-03-28 22:59:17,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... 17.15/8.75 [2019-03-28 22:59:17,836 INFO L276 PluginConnector]: TraceAbstraction initialized 17.15/8.75 [2019-03-28 22:59:17,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 10:59:17" (1/4) ... 17.15/8.75 [2019-03-28 22:59:17,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13260d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:59:17, skipping insertion in model container 17.15/8.75 [2019-03-28 22:59:17,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (2/4) ... 17.15/8.75 [2019-03-28 22:59:17,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13260d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 10:59:17, skipping insertion in model container 17.15/8.75 [2019-03-28 22:59:17,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:59:17" (3/4) ... 17.15/8.75 [2019-03-28 22:59:17,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13260d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:59:17, skipping insertion in model container 17.15/8.75 [2019-03-28 22:59:17,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:59:17" (4/4) ... 17.15/8.75 [2019-03-28 22:59:17,840 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.15/8.75 [2019-03-28 22:59:17,849 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 17.15/8.75 [2019-03-28 22:59:17,857 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 17.15/8.75 [2019-03-28 22:59:17,875 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 17.15/8.75 [2019-03-28 22:59:17,903 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.15/8.75 [2019-03-28 22:59:17,904 INFO L382 AbstractCegarLoop]: Interprodecural is true 17.15/8.75 [2019-03-28 22:59:17,904 INFO L383 AbstractCegarLoop]: Hoare is true 17.15/8.75 [2019-03-28 22:59:17,904 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 17.15/8.75 [2019-03-28 22:59:17,905 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 17.15/8.75 [2019-03-28 22:59:17,905 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.15/8.75 [2019-03-28 22:59:17,905 INFO L387 AbstractCegarLoop]: Difference is false 17.15/8.75 [2019-03-28 22:59:17,905 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 17.15/8.75 [2019-03-28 22:59:17,906 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 17.15/8.75 [2019-03-28 22:59:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. 17.15/8.75 [2019-03-28 22:59:17,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 17.15/8.75 [2019-03-28 22:59:17,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. 17.15/8.75 [2019-03-28 22:59:17,979 INFO L451 ceAbstractionStarter]: At program point L19-2(lines 19 21) the Hoare annotation is: true 17.15/8.75 [2019-03-28 22:59:17,979 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 21) no Hoare annotation was computed. 17.15/8.75 [2019-03-28 22:59:17,979 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 17 23) the Hoare annotation is: true 17.15/8.75 [2019-03-28 22:59:17,980 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 17.15/8.75 [2019-03-28 22:59:17,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:59:17 BasicIcfg 17.15/8.75 [2019-03-28 22:59:17,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 17.15/8.75 [2019-03-28 22:59:17,989 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 17.15/8.75 [2019-03-28 22:59:17,989 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 17.15/8.75 [2019-03-28 22:59:17,992 INFO L276 PluginConnector]: BuchiAutomizer initialized 17.15/8.75 [2019-03-28 22:59:17,993 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.15/8.75 [2019-03-28 22:59:17,993 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 10:59:17" (1/5) ... 17.15/8.75 [2019-03-28 22:59:17,994 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@188d73f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:59:17, skipping insertion in model container 17.15/8.75 [2019-03-28 22:59:17,994 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.15/8.75 [2019-03-28 22:59:17,994 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 10:59:17" (2/5) ... 17.15/8.75 [2019-03-28 22:59:17,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@188d73f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 10:59:17, skipping insertion in model container 17.15/8.75 [2019-03-28 22:59:17,995 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.15/8.75 [2019-03-28 22:59:17,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 10:59:17" (3/5) ... 17.15/8.75 [2019-03-28 22:59:17,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@188d73f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:59:17, skipping insertion in model container 17.15/8.75 [2019-03-28 22:59:17,995 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.15/8.75 [2019-03-28 22:59:17,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 10:59:17" (4/5) ... 17.15/8.75 [2019-03-28 22:59:17,996 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@188d73f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:59:17, skipping insertion in model container 17.15/8.75 [2019-03-28 22:59:17,996 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.15/8.75 [2019-03-28 22:59:17,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 10:59:17" (5/5) ... 17.15/8.75 [2019-03-28 22:59:17,998 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.15/8.75 [2019-03-28 22:59:18,027 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.15/8.75 [2019-03-28 22:59:18,028 INFO L374 BuchiCegarLoop]: Interprodecural is true 17.15/8.75 [2019-03-28 22:59:18,028 INFO L375 BuchiCegarLoop]: Hoare is true 17.15/8.75 [2019-03-28 22:59:18,028 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 17.15/8.75 [2019-03-28 22:59:18,028 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 17.15/8.75 [2019-03-28 22:59:18,028 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.15/8.75 [2019-03-28 22:59:18,029 INFO L379 BuchiCegarLoop]: Difference is false 17.15/8.75 [2019-03-28 22:59:18,029 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 17.15/8.75 [2019-03-28 22:59:18,029 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 17.15/8.75 [2019-03-28 22:59:18,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 17.15/8.75 [2019-03-28 22:59:18,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.15/8.75 [2019-03-28 22:59:18,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.15/8.75 [2019-03-28 22:59:18,058 INFO L119 BuchiIsEmpty]: Starting construction of run 17.15/8.75 [2019-03-28 22:59:18,064 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.15/8.75 [2019-03-28 22:59:18,064 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 17.15/8.75 [2019-03-28 22:59:18,064 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 17.15/8.75 [2019-03-28 22:59:18,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. 17.15/8.75 [2019-03-28 22:59:18,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.15/8.75 [2019-03-28 22:59:18,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.15/8.75 [2019-03-28 22:59:18,065 INFO L119 BuchiIsEmpty]: Starting construction of run 17.15/8.75 [2019-03-28 22:59:18,065 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.15/8.75 [2019-03-28 22:59:18,065 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 17.15/8.75 [2019-03-28 22:59:18,070 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 3#L17-2true 17.15/8.75 [2019-03-28 22:59:18,071 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [33] L17-2-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_9 0) (< v_ULTIMATE.start_main_~i~0_11 5)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 6#L19-2true [44] L19-2-->L19-3: Formula: (>= 2 v_ULTIMATE.start_main_~i~0_6) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_6} AuxVars[] AssignedVars[] 5#L19-3true [35] L19-3-->L17-2: Formula: (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 1)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 3#L17-2true 17.15/8.75 [2019-03-28 22:59:18,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.15/8.75 [2019-03-28 22:59:18,077 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 17.15/8.75 [2019-03-28 22:59:18,079 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.15/8.75 [2019-03-28 22:59:18,080 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.15/8.75 [2019-03-28 22:59:18,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:18,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:18,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.15/8.75 [2019-03-28 22:59:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.15/8.75 [2019-03-28 22:59:18,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.15/8.75 [2019-03-28 22:59:18,153 INFO L82 PathProgramCache]: Analyzing trace with hash 62903, now seen corresponding path program 1 times 17.15/8.75 [2019-03-28 22:59:18,153 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.15/8.75 [2019-03-28 22:59:18,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.15/8.75 [2019-03-28 22:59:18,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:18,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:18,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.15/8.75 [2019-03-28 22:59:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.15/8.75 [2019-03-28 22:59:18,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.15/8.75 [2019-03-28 22:59:18,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1969527, now seen corresponding path program 1 times 17.15/8.75 [2019-03-28 22:59:18,167 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.15/8.75 [2019-03-28 22:59:18,167 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.15/8.75 [2019-03-28 22:59:18,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:18,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:18,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.15/8.75 [2019-03-28 22:59:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.15/8.75 [2019-03-28 22:59:18,235 INFO L216 LassoAnalysis]: Preferences: 17.15/8.75 [2019-03-28 22:59:18,236 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.15/8.75 [2019-03-28 22:59:18,236 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.15/8.75 [2019-03-28 22:59:18,236 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.15/8.75 [2019-03-28 22:59:18,236 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.15/8.75 [2019-03-28 22:59:18,237 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:18,237 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.15/8.75 [2019-03-28 22:59:18,237 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.15/8.75 [2019-03-28 22:59:18,237 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.15/8.75 [2019-03-28 22:59:18,237 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.15/8.75 [2019-03-28 22:59:18,238 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.15/8.75 [2019-03-28 22:59:18,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:18,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:18,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:18,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:18,361 INFO L300 LassoAnalysis]: Preprocessing complete. 17.15/8.75 [2019-03-28 22:59:18,362 INFO L412 LassoAnalysis]: Checking for nontermination... 17.15/8.75 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.15/8.75 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.15/8.75 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:18,372 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.15/8.75 [2019-03-28 22:59:18,373 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.15/8.75 [2019-03-28 22:59:18,406 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.15/8.75 [2019-03-28 22:59:18,406 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: [] 17.15/8.75 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.15/8.75 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.15/8.75 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:18,413 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.15/8.75 [2019-03-28 22:59:18,414 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.15/8.75 [2019-03-28 22:59:18,441 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.15/8.75 [2019-03-28 22:59:18,441 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: [] 17.15/8.75 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.15/8.75 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.15/8.75 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:18,447 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.15/8.75 [2019-03-28 22:59:18,447 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.15/8.75 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.15/8.75 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.15/8.75 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:18,479 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.15/8.75 [2019-03-28 22:59:18,479 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.15/8.75 [2019-03-28 22:59:18,510 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.15/8.75 [2019-03-28 22:59:18,512 INFO L216 LassoAnalysis]: Preferences: 17.15/8.75 [2019-03-28 22:59:18,512 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.15/8.75 [2019-03-28 22:59:18,512 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.15/8.75 [2019-03-28 22:59:18,512 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.15/8.75 [2019-03-28 22:59:18,512 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.15/8.75 [2019-03-28 22:59:18,512 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:18,513 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.15/8.75 [2019-03-28 22:59:18,513 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.15/8.75 [2019-03-28 22:59:18,513 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.15/8.75 [2019-03-28 22:59:18,513 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.15/8.75 [2019-03-28 22:59:18,513 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.15/8.75 [2019-03-28 22:59:18,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:18,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:18,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:18,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:18,598 INFO L300 LassoAnalysis]: Preprocessing complete. 17.15/8.75 [2019-03-28 22:59:18,604 INFO L497 LassoAnalysis]: Using template 'affine'. 17.15/8.75 [2019-03-28 22:59:18,606 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.15/8.75 Termination analysis: LINEAR_WITH_GUESSES 17.15/8.75 Number of strict supporting invariants: 0 17.15/8.75 Number of non-strict supporting invariants: 1 17.15/8.75 Consider only non-deceasing supporting invariants: true 17.15/8.75 Simplify termination arguments: true 17.15/8.75 Simplify supporting invariants: trueOverapproximate stem: false 17.15/8.75 [2019-03-28 22:59:18,608 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.15/8.75 [2019-03-28 22:59:18,608 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.15/8.75 [2019-03-28 22:59:18,609 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.15/8.75 [2019-03-28 22:59:18,609 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.15/8.75 [2019-03-28 22:59:18,609 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.15/8.75 [2019-03-28 22:59:18,611 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.15/8.75 [2019-03-28 22:59:18,612 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.15/8.75 [2019-03-28 22:59:18,620 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.15/8.75 [2019-03-28 22:59:18,625 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.15/8.75 [2019-03-28 22:59:18,626 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 17.15/8.75 [2019-03-28 22:59:18,628 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.15/8.75 [2019-03-28 22:59:18,628 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.15/8.75 [2019-03-28 22:59:18,629 INFO L518 LassoAnalysis]: Proved termination. 17.15/8.75 [2019-03-28 22:59:18,629 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.15/8.75 Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 5 17.15/8.75 Supporting invariants [] 17.15/8.75 [2019-03-28 22:59:18,631 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.15/8.75 [2019-03-28 22:59:18,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.15/8.75 [2019-03-28 22:59:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.15/8.75 [2019-03-28 22:59:18,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 17.15/8.75 [2019-03-28 22:59:18,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.15/8.75 [2019-03-28 22:59:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.15/8.75 [2019-03-28 22:59:18,690 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 17.15/8.75 [2019-03-28 22:59:18,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.15/8.75 [2019-03-28 22:59:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.15/8.75 [2019-03-28 22:59:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.15/8.75 [2019-03-28 22:59:18,758 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 17.15/8.75 [2019-03-28 22:59:18,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.15/8.75 [2019-03-28 22:59:18,803 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 3 predicates after loop cannibalization 17.15/8.75 [2019-03-28 22:59:18,808 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 3 loop predicates 17.15/8.75 [2019-03-28 22:59:18,810 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states. Second operand 4 states. 17.15/8.75 [2019-03-28 22:59:18,906 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states.. Second operand 4 states. Result 17 states and 27 transitions. Complement of second has 9 states. 17.15/8.75 [2019-03-28 22:59:18,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 2 accepting loop states 17.15/8.75 [2019-03-28 22:59:18,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 17.15/8.75 [2019-03-28 22:59:18,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. 17.15/8.75 [2019-03-28 22:59:18,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 1 letters. Loop has 3 letters. 17.15/8.75 [2019-03-28 22:59:18,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.15/8.75 [2019-03-28 22:59:18,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. 17.15/8.75 [2019-03-28 22:59:18,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.15/8.75 [2019-03-28 22:59:18,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 1 letters. Loop has 6 letters. 17.15/8.75 [2019-03-28 22:59:18,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.15/8.75 [2019-03-28 22:59:18,920 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 27 transitions. 17.15/8.75 [2019-03-28 22:59:18,922 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 17.15/8.75 [2019-03-28 22:59:18,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 16 states and 25 transitions. 17.15/8.75 [2019-03-28 22:59:18,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 17.15/8.75 [2019-03-28 22:59:18,927 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 17.15/8.75 [2019-03-28 22:59:18,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 25 transitions. 17.15/8.75 [2019-03-28 22:59:18,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.15/8.75 [2019-03-28 22:59:18,928 INFO L706 BuchiCegarLoop]: Abstraction has 16 states and 25 transitions. 17.15/8.75 [2019-03-28 22:59:18,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 25 transitions. 17.15/8.75 [2019-03-28 22:59:18,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 10. 17.15/8.75 [2019-03-28 22:59:18,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. 17.15/8.75 [2019-03-28 22:59:18,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 15 transitions. 17.15/8.75 [2019-03-28 22:59:18,958 INFO L729 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. 17.15/8.75 [2019-03-28 22:59:18,958 INFO L609 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. 17.15/8.75 [2019-03-28 22:59:18,958 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 17.15/8.75 [2019-03-28 22:59:18,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 15 transitions. 17.15/8.75 [2019-03-28 22:59:18,959 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.15/8.75 [2019-03-28 22:59:18,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.15/8.75 [2019-03-28 22:59:18,959 INFO L119 BuchiIsEmpty]: Starting construction of run 17.15/8.75 [2019-03-28 22:59:18,961 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 17.15/8.75 [2019-03-28 22:59:18,961 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 17.15/8.75 [2019-03-28 22:59:18,962 INFO L794 eck$LassoCheckResult]: Stem: 82#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 83#L17-2 [33] L17-2-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_9 0) (< v_ULTIMATE.start_main_~i~0_11 5)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 76#L19-2 17.15/8.75 [2019-03-28 22:59:18,962 INFO L796 eck$LassoCheckResult]: Loop: 76#L19-2 [38] L19-2-->L19-2: Formula: (and (< 2 v_ULTIMATE.start_main_~i~0_7) (= v_ULTIMATE.start_main_~j~0_7 (+ v_ULTIMATE.start_main_~j~0_8 1)) (<= v_ULTIMATE.start_main_~j~0_8 9)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 76#L19-2 17.15/8.75 [2019-03-28 22:59:18,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.15/8.75 [2019-03-28 22:59:18,963 INFO L82 PathProgramCache]: Analyzing trace with hash 2048, now seen corresponding path program 1 times 17.15/8.75 [2019-03-28 22:59:18,963 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.15/8.75 [2019-03-28 22:59:18,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.15/8.75 [2019-03-28 22:59:18,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:18,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:18,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.15/8.75 [2019-03-28 22:59:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.15/8.75 [2019-03-28 22:59:18,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.15/8.75 [2019-03-28 22:59:18,970 INFO L82 PathProgramCache]: Analyzing trace with hash 69, now seen corresponding path program 1 times 17.15/8.75 [2019-03-28 22:59:18,971 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.15/8.75 [2019-03-28 22:59:18,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.15/8.75 [2019-03-28 22:59:18,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:18,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:18,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.15/8.75 [2019-03-28 22:59:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.15/8.75 [2019-03-28 22:59:18,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.15/8.75 [2019-03-28 22:59:18,977 INFO L82 PathProgramCache]: Analyzing trace with hash 63526, now seen corresponding path program 1 times 17.15/8.75 [2019-03-28 22:59:18,977 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.15/8.75 [2019-03-28 22:59:18,977 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.15/8.75 [2019-03-28 22:59:18,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:18,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:18,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.15/8.75 [2019-03-28 22:59:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.15/8.75 [2019-03-28 22:59:19,008 INFO L216 LassoAnalysis]: Preferences: 17.15/8.75 [2019-03-28 22:59:19,009 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.15/8.75 [2019-03-28 22:59:19,009 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.15/8.75 [2019-03-28 22:59:19,009 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.15/8.75 [2019-03-28 22:59:19,009 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.15/8.75 [2019-03-28 22:59:19,009 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:19,009 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.15/8.75 [2019-03-28 22:59:19,010 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.15/8.75 [2019-03-28 22:59:19,010 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.15/8.75 [2019-03-28 22:59:19,010 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.15/8.75 [2019-03-28 22:59:19,010 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.15/8.75 [2019-03-28 22:59:19,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:19,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:19,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:19,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:19,069 INFO L300 LassoAnalysis]: Preprocessing complete. 17.15/8.75 [2019-03-28 22:59:19,069 INFO L412 LassoAnalysis]: Checking for nontermination... 17.15/8.75 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.15/8.75 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.15/8.75 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:19,075 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.15/8.75 [2019-03-28 22:59:19,075 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.15/8.75 [2019-03-28 22:59:19,104 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.15/8.75 [2019-03-28 22:59:19,105 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: [] 17.15/8.75 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.15/8.75 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.15/8.75 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:19,112 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.15/8.75 [2019-03-28 22:59:19,112 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.15/8.75 [2019-03-28 22:59:19,140 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.15/8.75 [2019-03-28 22:59:19,140 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: [] 17.15/8.75 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.15/8.75 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.15/8.75 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:19,148 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.15/8.75 [2019-03-28 22:59:19,148 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.15/8.75 [2019-03-28 22:59:19,175 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.15/8.75 [2019-03-28 22:59:19,176 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0=3} Honda state: {ULTIMATE.start_main_~i~0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.15/8.75 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.15/8.75 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.15/8.75 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:19,181 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.15/8.75 [2019-03-28 22:59:19,182 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.15/8.75 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.15/8.75 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.15/8.75 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:19,217 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.15/8.75 [2019-03-28 22:59:19,217 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.15/8.75 [2019-03-28 22:59:19,249 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.15/8.75 [2019-03-28 22:59:19,251 INFO L216 LassoAnalysis]: Preferences: 17.15/8.75 [2019-03-28 22:59:19,251 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.15/8.75 [2019-03-28 22:59:19,252 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.15/8.75 [2019-03-28 22:59:19,252 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.15/8.75 [2019-03-28 22:59:19,252 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.15/8.75 [2019-03-28 22:59:19,252 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:19,252 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.15/8.75 [2019-03-28 22:59:19,252 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.15/8.75 [2019-03-28 22:59:19,253 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.15/8.75 [2019-03-28 22:59:19,253 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.15/8.75 [2019-03-28 22:59:19,253 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.15/8.75 [2019-03-28 22:59:19,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:19,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:19,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:19,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:19,311 INFO L300 LassoAnalysis]: Preprocessing complete. 17.15/8.75 [2019-03-28 22:59:19,311 INFO L497 LassoAnalysis]: Using template 'affine'. 17.15/8.75 [2019-03-28 22:59:19,311 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.15/8.75 Termination analysis: LINEAR_WITH_GUESSES 17.15/8.75 Number of strict supporting invariants: 0 17.15/8.75 Number of non-strict supporting invariants: 1 17.15/8.75 Consider only non-deceasing supporting invariants: true 17.15/8.75 Simplify termination arguments: true 17.15/8.75 Simplify supporting invariants: trueOverapproximate stem: false 17.15/8.75 [2019-03-28 22:59:19,312 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.15/8.75 [2019-03-28 22:59:19,313 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.15/8.75 [2019-03-28 22:59:19,313 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.15/8.75 [2019-03-28 22:59:19,313 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.15/8.75 [2019-03-28 22:59:19,316 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.15/8.75 [2019-03-28 22:59:19,317 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.15/8.75 [2019-03-28 22:59:19,322 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.15/8.75 [2019-03-28 22:59:19,323 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.15/8.75 Termination analysis: LINEAR_WITH_GUESSES 17.15/8.75 Number of strict supporting invariants: 0 17.15/8.75 Number of non-strict supporting invariants: 1 17.15/8.75 Consider only non-deceasing supporting invariants: true 17.15/8.75 Simplify termination arguments: true 17.15/8.75 Simplify supporting invariants: trueOverapproximate stem: false 17.15/8.75 [2019-03-28 22:59:19,323 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.15/8.75 [2019-03-28 22:59:19,324 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.15/8.75 [2019-03-28 22:59:19,324 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.15/8.75 [2019-03-28 22:59:19,324 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.15/8.75 [2019-03-28 22:59:19,326 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.15/8.75 [2019-03-28 22:59:19,326 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.15/8.75 [2019-03-28 22:59:19,333 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.15/8.75 [2019-03-28 22:59:19,334 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.15/8.75 Termination analysis: LINEAR_WITH_GUESSES 17.15/8.75 Number of strict supporting invariants: 0 17.15/8.75 Number of non-strict supporting invariants: 1 17.15/8.75 Consider only non-deceasing supporting invariants: true 17.15/8.75 Simplify termination arguments: true 17.15/8.75 Simplify supporting invariants: trueOverapproximate stem: false 17.15/8.75 [2019-03-28 22:59:19,334 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.15/8.75 [2019-03-28 22:59:19,334 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.15/8.75 [2019-03-28 22:59:19,335 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.15/8.75 [2019-03-28 22:59:19,335 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.15/8.75 [2019-03-28 22:59:19,335 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.15/8.75 [2019-03-28 22:59:19,335 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.15/8.75 [2019-03-28 22:59:19,336 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.15/8.75 [2019-03-28 22:59:19,337 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.15/8.75 [2019-03-28 22:59:19,337 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.15/8.75 Termination analysis: LINEAR_WITH_GUESSES 17.15/8.75 Number of strict supporting invariants: 0 17.15/8.75 Number of non-strict supporting invariants: 1 17.15/8.75 Consider only non-deceasing supporting invariants: true 17.15/8.75 Simplify termination arguments: true 17.15/8.75 Simplify supporting invariants: trueOverapproximate stem: false 17.15/8.75 [2019-03-28 22:59:19,338 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.15/8.75 [2019-03-28 22:59:19,338 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.15/8.75 [2019-03-28 22:59:19,338 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.15/8.75 [2019-03-28 22:59:19,338 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.15/8.75 [2019-03-28 22:59:19,338 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.15/8.75 [2019-03-28 22:59:19,339 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.15/8.75 [2019-03-28 22:59:19,339 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.15/8.75 [2019-03-28 22:59:19,344 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.15/8.75 [2019-03-28 22:59:19,347 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.15/8.75 [2019-03-28 22:59:19,347 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 17.15/8.75 [2019-03-28 22:59:19,348 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.15/8.75 [2019-03-28 22:59:19,349 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.15/8.75 [2019-03-28 22:59:19,349 INFO L518 LassoAnalysis]: Proved termination. 17.15/8.75 [2019-03-28 22:59:19,349 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.15/8.75 Ranking function f(ULTIMATE.start_main_~j~0) = -2*ULTIMATE.start_main_~j~0 + 19 17.15/8.75 Supporting invariants [] 17.15/8.75 [2019-03-28 22:59:19,349 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.15/8.75 [2019-03-28 22:59:19,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.15/8.75 [2019-03-28 22:59:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.15/8.75 [2019-03-28 22:59:19,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 17.15/8.75 [2019-03-28 22:59:19,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.15/8.75 [2019-03-28 22:59:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.15/8.75 [2019-03-28 22:59:19,387 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 17.15/8.75 [2019-03-28 22:59:19,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.15/8.75 [2019-03-28 22:59:19,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.15/8.75 [2019-03-28 22:59:19,388 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 17.15/8.75 [2019-03-28 22:59:19,389 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 17.15/8.75 [2019-03-28 22:59:19,389 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 10 states and 15 transitions. cyclomatic complexity: 7 Second operand 2 states. 17.15/8.75 [2019-03-28 22:59:19,405 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 10 states and 15 transitions. cyclomatic complexity: 7. Second operand 2 states. Result 17 states and 24 transitions. Complement of second has 4 states. 17.15/8.75 [2019-03-28 22:59:19,406 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 17.15/8.75 [2019-03-28 22:59:19,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 17.15/8.75 [2019-03-28 22:59:19,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. 17.15/8.75 [2019-03-28 22:59:19,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 1 letters. 17.15/8.75 [2019-03-28 22:59:19,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.15/8.75 [2019-03-28 22:59:19,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 3 letters. Loop has 1 letters. 17.15/8.75 [2019-03-28 22:59:19,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.15/8.75 [2019-03-28 22:59:19,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. 17.15/8.75 [2019-03-28 22:59:19,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.15/8.75 [2019-03-28 22:59:19,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 24 transitions. 17.15/8.75 [2019-03-28 22:59:19,411 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 17.15/8.75 [2019-03-28 22:59:19,412 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 11 states and 17 transitions. 17.15/8.75 [2019-03-28 22:59:19,412 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 17.15/8.75 [2019-03-28 22:59:19,412 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 17.15/8.75 [2019-03-28 22:59:19,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 17 transitions. 17.15/8.75 [2019-03-28 22:59:19,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.15/8.75 [2019-03-28 22:59:19,413 INFO L706 BuchiCegarLoop]: Abstraction has 11 states and 17 transitions. 17.15/8.75 [2019-03-28 22:59:19,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 17 transitions. 17.15/8.75 [2019-03-28 22:59:19,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. 17.15/8.75 [2019-03-28 22:59:19,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 17.15/8.75 [2019-03-28 22:59:19,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 17 transitions. 17.15/8.75 [2019-03-28 22:59:19,416 INFO L729 BuchiCegarLoop]: Abstraction has 11 states and 17 transitions. 17.15/8.75 [2019-03-28 22:59:19,416 INFO L609 BuchiCegarLoop]: Abstraction has 11 states and 17 transitions. 17.15/8.75 [2019-03-28 22:59:19,417 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 17.15/8.75 [2019-03-28 22:59:19,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 17 transitions. 17.15/8.75 [2019-03-28 22:59:19,417 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 17.15/8.75 [2019-03-28 22:59:19,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.15/8.75 [2019-03-28 22:59:19,418 INFO L119 BuchiIsEmpty]: Starting construction of run 17.15/8.75 [2019-03-28 22:59:19,418 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 17.15/8.75 [2019-03-28 22:59:19,418 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 17.15/8.75 [2019-03-28 22:59:19,418 INFO L794 eck$LassoCheckResult]: Stem: 136#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#res, ULTIMATE.start_main_~i~0] 137#L17-2 [33] L17-2-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_9 0) (< v_ULTIMATE.start_main_~i~0_11 5)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 131#L19-2 17.15/8.75 [2019-03-28 22:59:19,419 INFO L796 eck$LassoCheckResult]: Loop: 131#L19-2 [45] L19-2-->L19-3: Formula: (> v_ULTIMATE.start_main_~j~0_6 9) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6} AuxVars[] AssignedVars[] 134#L19-3 [35] L19-3-->L17-2: Formula: (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 1)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 130#L17-2 [33] L17-2-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_9 0) (< v_ULTIMATE.start_main_~i~0_11 5)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_11} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 131#L19-2 17.15/8.75 [2019-03-28 22:59:19,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.15/8.75 [2019-03-28 22:59:19,419 INFO L82 PathProgramCache]: Analyzing trace with hash 2048, now seen corresponding path program 2 times 17.15/8.75 [2019-03-28 22:59:19,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.15/8.75 [2019-03-28 22:59:19,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.15/8.75 [2019-03-28 22:59:19,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:19,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:19,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.15/8.75 [2019-03-28 22:59:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.15/8.75 [2019-03-28 22:59:19,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.15/8.75 [2019-03-28 22:59:19,426 INFO L82 PathProgramCache]: Analyzing trace with hash 74154, now seen corresponding path program 1 times 17.15/8.75 [2019-03-28 22:59:19,427 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.15/8.75 [2019-03-28 22:59:19,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.15/8.75 [2019-03-28 22:59:19,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:19,429 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:19,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.15/8.75 [2019-03-28 22:59:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.15/8.75 [2019-03-28 22:59:19,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.15/8.75 [2019-03-28 22:59:19,434 INFO L82 PathProgramCache]: Analyzing trace with hash 61056331, now seen corresponding path program 1 times 17.15/8.75 [2019-03-28 22:59:19,434 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.15/8.75 [2019-03-28 22:59:19,434 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.15/8.75 [2019-03-28 22:59:19,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:19,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:19,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.15/8.75 [2019-03-28 22:59:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.15/8.75 [2019-03-28 22:59:19,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.15/8.75 [2019-03-28 22:59:19,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 17.15/8.75 [2019-03-28 22:59:19,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 17.15/8.75 [2019-03-28 22:59:19,506 INFO L216 LassoAnalysis]: Preferences: 17.15/8.75 [2019-03-28 22:59:19,506 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.15/8.75 [2019-03-28 22:59:19,507 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.15/8.75 [2019-03-28 22:59:19,507 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.15/8.75 [2019-03-28 22:59:19,507 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.15/8.75 [2019-03-28 22:59:19,508 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:19,508 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.15/8.75 [2019-03-28 22:59:19,508 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.15/8.75 [2019-03-28 22:59:19,508 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 17.15/8.75 [2019-03-28 22:59:19,508 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.15/8.75 [2019-03-28 22:59:19,508 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.15/8.75 [2019-03-28 22:59:19,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:19,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:19,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:19,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:19,581 INFO L300 LassoAnalysis]: Preprocessing complete. 17.15/8.75 [2019-03-28 22:59:19,582 INFO L412 LassoAnalysis]: Checking for nontermination... 17.15/8.75 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.15/8.75 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.15/8.75 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:19,587 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.15/8.75 [2019-03-28 22:59:19,588 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.15/8.75 [2019-03-28 22:59:19,616 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.15/8.75 [2019-03-28 22:59:19,616 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.15/8.75 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.15/8.75 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.15/8.75 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:19,623 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.15/8.75 [2019-03-28 22:59:19,623 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.15/8.75 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.15/8.75 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.15/8.75 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:19,655 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.15/8.75 [2019-03-28 22:59:19,655 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.15/8.75 [2019-03-28 22:59:19,770 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.15/8.75 [2019-03-28 22:59:19,772 INFO L216 LassoAnalysis]: Preferences: 17.15/8.75 [2019-03-28 22:59:19,772 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.15/8.75 [2019-03-28 22:59:19,772 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.15/8.75 [2019-03-28 22:59:19,772 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.15/8.75 [2019-03-28 22:59:19,773 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.15/8.75 [2019-03-28 22:59:19,773 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.15/8.75 [2019-03-28 22:59:19,773 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.15/8.75 [2019-03-28 22:59:19,773 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.15/8.75 [2019-03-28 22:59:19,774 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 17.15/8.75 [2019-03-28 22:59:19,774 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.15/8.75 [2019-03-28 22:59:19,774 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.15/8.75 [2019-03-28 22:59:19,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:19,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:19,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:19,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.15/8.75 [2019-03-28 22:59:19,840 INFO L300 LassoAnalysis]: Preprocessing complete. 17.15/8.75 [2019-03-28 22:59:19,841 INFO L497 LassoAnalysis]: Using template 'affine'. 17.15/8.75 [2019-03-28 22:59:19,841 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.15/8.75 Termination analysis: LINEAR_WITH_GUESSES 17.15/8.75 Number of strict supporting invariants: 0 17.15/8.75 Number of non-strict supporting invariants: 1 17.15/8.75 Consider only non-deceasing supporting invariants: true 17.15/8.75 Simplify termination arguments: true 17.15/8.75 Simplify supporting invariants: trueOverapproximate stem: false 17.15/8.75 [2019-03-28 22:59:19,842 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.15/8.75 [2019-03-28 22:59:19,842 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.15/8.75 [2019-03-28 22:59:19,842 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.15/8.75 [2019-03-28 22:59:19,842 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.15/8.75 [2019-03-28 22:59:19,842 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.15/8.75 [2019-03-28 22:59:19,843 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.15/8.75 [2019-03-28 22:59:19,844 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.15/8.75 [2019-03-28 22:59:19,848 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.15/8.75 [2019-03-28 22:59:19,851 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.15/8.75 [2019-03-28 22:59:19,851 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 17.15/8.75 [2019-03-28 22:59:19,851 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.15/8.75 [2019-03-28 22:59:19,851 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.15/8.75 [2019-03-28 22:59:19,852 INFO L518 LassoAnalysis]: Proved termination. 17.15/8.75 [2019-03-28 22:59:19,852 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.15/8.75 Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 7 17.15/8.75 Supporting invariants [] 17.15/8.75 [2019-03-28 22:59:19,852 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.15/8.75 [2019-03-28 22:59:19,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.15/8.75 [2019-03-28 22:59:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.15/8.75 [2019-03-28 22:59:19,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core 17.15/8.75 [2019-03-28 22:59:19,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.15/8.75 [2019-03-28 22:59:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.15/8.75 [2019-03-28 22:59:19,876 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core 17.15/8.75 [2019-03-28 22:59:19,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.15/8.75 [2019-03-28 22:59:19,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.15/8.75 [2019-03-28 22:59:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.15/8.75 [2019-03-28 22:59:19,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core 17.15/8.75 [2019-03-28 22:59:19,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.15/8.75 [2019-03-28 22:59:20,375 WARN L188 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 12 17.15/8.75 [2019-03-28 22:59:21,243 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~i~0 Int)) (<= 7 (+ c_oldRank0 (* 2 ULTIMATE.start_main_~i~0)))) is different from true 17.15/8.75 [2019-03-28 22:59:21,244 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 5 predicates after loop cannibalization 17.15/8.75 [2019-03-28 22:59:21,244 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 5 loop predicates 17.15/8.75 [2019-03-28 22:59:21,244 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 11 states and 17 transitions. cyclomatic complexity: 8 Second operand 4 states. 17.15/8.75 [2019-03-28 22:59:21,343 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 11 states and 17 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 53 states and 79 transitions. Complement of second has 20 states. 17.15/8.75 [2019-03-28 22:59:21,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states 17.15/8.75 [2019-03-28 22:59:21,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 17.15/8.75 [2019-03-28 22:59:21,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 22 transitions. 17.15/8.75 [2019-03-28 22:59:21,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 2 letters. Loop has 3 letters. 17.15/8.75 [2019-03-28 22:59:21,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.15/8.75 [2019-03-28 22:59:21,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 5 letters. Loop has 3 letters. 17.15/8.75 [2019-03-28 22:59:21,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.15/8.75 [2019-03-28 22:59:21,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 2 letters. Loop has 6 letters. 17.15/8.75 [2019-03-28 22:59:21,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.15/8.75 [2019-03-28 22:59:21,348 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 79 transitions. 17.15/8.75 [2019-03-28 22:59:21,351 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 17.15/8.75 [2019-03-28 22:59:21,351 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 0 states and 0 transitions. 17.15/8.75 [2019-03-28 22:59:21,352 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 17.15/8.75 [2019-03-28 22:59:21,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 17.15/8.75 [2019-03-28 22:59:21,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 17.15/8.75 [2019-03-28 22:59:21,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 17.15/8.75 [2019-03-28 22:59:21,352 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.15/8.75 [2019-03-28 22:59:21,352 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.15/8.75 [2019-03-28 22:59:21,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 17.15/8.75 [2019-03-28 22:59:21,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 17.15/8.75 [2019-03-28 22:59:21,356 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. 17.15/8.75 [2019-03-28 22:59:21,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 17.15/8.75 [2019-03-28 22:59:21,359 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. 17.15/8.75 [2019-03-28 22:59:21,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 17.15/8.75 [2019-03-28 22:59:21,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. 17.15/8.75 [2019-03-28 22:59:21,361 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 17.15/8.75 [2019-03-28 22:59:21,361 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. 17.15/8.75 [2019-03-28 22:59:21,361 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 17.15/8.75 [2019-03-28 22:59:21,361 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 17.15/8.75 [2019-03-28 22:59:21,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 17.15/8.75 [2019-03-28 22:59:21,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 17.15/8.75 [2019-03-28 22:59:21,362 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.15/8.75 [2019-03-28 22:59:21,362 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.15/8.75 [2019-03-28 22:59:21,362 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.15/8.75 [2019-03-28 22:59:21,362 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 17.15/8.75 [2019-03-28 22:59:21,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 17.15/8.75 [2019-03-28 22:59:21,362 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 17.15/8.75 [2019-03-28 22:59:21,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 17.15/8.75 [2019-03-28 22:59:21,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 10:59:21 BasicIcfg 17.15/8.75 [2019-03-28 22:59:21,368 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 17.15/8.75 [2019-03-28 22:59:21,369 INFO L168 Benchmark]: Toolchain (without parser) took 4183.93 ms. Allocated memory was 649.6 MB in the beginning and 683.1 MB in the end (delta: 33.6 MB). Free memory was 564.8 MB in the beginning and 395.2 MB in the end (delta: 169.6 MB). Peak memory consumption was 203.1 MB. Max. memory is 50.3 GB. 17.15/8.75 [2019-03-28 22:59:21,369 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.15/8.75 [2019-03-28 22:59:21,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.35 ms. Allocated memory is still 649.6 MB. Free memory was 564.8 MB in the beginning and 554.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 17.15/8.75 [2019-03-28 22:59:21,370 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.14 ms. Allocated memory was 649.6 MB in the beginning and 683.1 MB in the end (delta: 33.6 MB). Free memory was 554.8 MB in the beginning and 650.1 MB in the end (delta: -95.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 50.3 GB. 17.15/8.75 [2019-03-28 22:59:21,371 INFO L168 Benchmark]: Boogie Preprocessor took 19.87 ms. Allocated memory is still 683.1 MB. Free memory was 650.1 MB in the beginning and 647.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 17.15/8.75 [2019-03-28 22:59:21,372 INFO L168 Benchmark]: RCFGBuilder took 216.85 ms. Allocated memory is still 683.1 MB. Free memory was 647.2 MB in the beginning and 633.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 50.3 GB. 17.15/8.75 [2019-03-28 22:59:21,372 INFO L168 Benchmark]: BlockEncodingV2 took 78.29 ms. Allocated memory is still 683.1 MB. Free memory was 633.6 MB in the beginning and 628.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 17.15/8.75 [2019-03-28 22:59:21,373 INFO L168 Benchmark]: TraceAbstraction took 155.84 ms. Allocated memory is still 683.1 MB. Free memory was 628.3 MB in the beginning and 618.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 17.15/8.75 [2019-03-28 22:59:21,373 INFO L168 Benchmark]: BuchiAutomizer took 3379.43 ms. Allocated memory is still 683.1 MB. Free memory was 618.5 MB in the beginning and 395.2 MB in the end (delta: 223.3 MB). Peak memory consumption was 223.3 MB. Max. memory is 50.3 GB. 17.15/8.75 [2019-03-28 22:59:21,378 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 17.15/8.75 --- Results --- 17.15/8.75 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 17.15/8.75 - StatisticsResult: Initial Icfg 17.15/8.75 8 locations, 11 edges 17.15/8.75 - StatisticsResult: Encoded RCFG 17.15/8.75 4 locations, 6 edges 17.15/8.75 * Results from de.uni_freiburg.informatik.ultimate.core: 17.15/8.75 - StatisticsResult: Toolchain Benchmarks 17.15/8.75 Benchmark results are: 17.15/8.75 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.15/8.75 * CACSL2BoogieTranslator took 230.35 ms. Allocated memory is still 649.6 MB. Free memory was 564.8 MB in the beginning and 554.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 17.15/8.75 * Boogie Procedure Inliner took 98.14 ms. Allocated memory was 649.6 MB in the beginning and 683.1 MB in the end (delta: 33.6 MB). Free memory was 554.8 MB in the beginning and 650.1 MB in the end (delta: -95.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 50.3 GB. 17.15/8.75 * Boogie Preprocessor took 19.87 ms. Allocated memory is still 683.1 MB. Free memory was 650.1 MB in the beginning and 647.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 17.15/8.75 * RCFGBuilder took 216.85 ms. Allocated memory is still 683.1 MB. Free memory was 647.2 MB in the beginning and 633.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 50.3 GB. 17.15/8.75 * BlockEncodingV2 took 78.29 ms. Allocated memory is still 683.1 MB. Free memory was 633.6 MB in the beginning and 628.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 17.15/8.75 * TraceAbstraction took 155.84 ms. Allocated memory is still 683.1 MB. Free memory was 628.3 MB in the beginning and 618.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 50.3 GB. 17.15/8.75 * BuchiAutomizer took 3379.43 ms. Allocated memory is still 683.1 MB. Free memory was 618.5 MB in the beginning and 395.2 MB in the end (delta: 223.3 MB). Peak memory consumption was 223.3 MB. Max. memory is 50.3 GB. 17.15/8.75 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 17.15/8.75 - AllSpecificationsHoldResult: All specifications hold 17.15/8.75 We were not able to verify any specifiation because the program does not contain any specification. 17.15/8.75 - InvariantResult [Line: 17]: Loop Invariant 17.15/8.75 Derived loop invariant: 1 17.15/8.75 - InvariantResult [Line: 19]: Loop Invariant 17.15/8.75 Derived loop invariant: 1 17.15/8.75 - StatisticsResult: Ultimate Automizer benchmark data 17.15/8.75 CFG has 1 procedures, 4 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 17.15/8.75 - StatisticsResult: Constructed decomposition of program 17.15/8.75 Your program was decomposed into 4 terminating modules (1 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function -2 * i + 5 and consists of 6 locations. One nondeterministic module has affine ranking function -2 * j + 19 and consists of 3 locations. One nondeterministic module has affine ranking function -2 * i + 7 and consists of 7 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 17.15/8.75 - StatisticsResult: Timing statistics 17.15/8.75 BüchiAutomizer plugin needed 3.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 33 SDslu, 9 SDs, 0 SdLazy, 61 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax186 hnf100 lsp38 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s 17.15/8.75 - TerminationAnalysisResult: Termination proven 17.15/8.75 Buchi Automizer proved that your program is terminating 17.15/8.75 RESULT: Ultimate proved your program to be correct! 17.15/8.75 !SESSION 2019-03-28 22:59:13.865 ----------------------------------------------- 17.15/8.75 eclipse.buildId=unknown 17.15/8.75 java.version=1.8.0_181 17.15/8.75 java.vendor=Oracle Corporation 17.15/8.75 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 17.15/8.75 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 17.15/8.75 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 17.15/8.75 17.15/8.75 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 22:59:21.630 17.15/8.75 !MESSAGE The workspace will exit with unsaved changes in this session. 17.15/8.75 Received shutdown request... 17.15/8.75 Ultimate: 17.15/8.75 GTK+ Version Check 17.15/8.75 EOF