15.53/9.27 YES 15.53/9.27 15.53/9.27 Ultimate: Cannot open display: 15.53/9.27 This is Ultimate 0.1.24-8dc7c08-m 15.53/9.27 [2019-03-28 12:19:35,284 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.53/9.27 [2019-03-28 12:19:35,287 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.53/9.27 [2019-03-28 12:19:35,298 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.53/9.27 [2019-03-28 12:19:35,298 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.53/9.27 [2019-03-28 12:19:35,299 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.53/9.27 [2019-03-28 12:19:35,300 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.53/9.27 [2019-03-28 12:19:35,302 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.53/9.27 [2019-03-28 12:19:35,303 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.53/9.27 [2019-03-28 12:19:35,304 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.53/9.27 [2019-03-28 12:19:35,305 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.53/9.27 [2019-03-28 12:19:35,305 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.53/9.27 [2019-03-28 12:19:35,306 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.53/9.27 [2019-03-28 12:19:35,307 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.53/9.27 [2019-03-28 12:19:35,308 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.53/9.27 [2019-03-28 12:19:35,309 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.53/9.27 [2019-03-28 12:19:35,309 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.53/9.27 [2019-03-28 12:19:35,311 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.53/9.27 [2019-03-28 12:19:35,314 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.53/9.27 [2019-03-28 12:19:35,315 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.53/9.27 [2019-03-28 12:19:35,316 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.53/9.27 [2019-03-28 12:19:35,317 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.53/9.27 [2019-03-28 12:19:35,319 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.53/9.27 [2019-03-28 12:19:35,320 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.53/9.27 [2019-03-28 12:19:35,320 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.53/9.27 [2019-03-28 12:19:35,321 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.53/9.27 [2019-03-28 12:19:35,321 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.53/9.27 [2019-03-28 12:19:35,322 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.53/9.27 [2019-03-28 12:19:35,322 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.53/9.27 [2019-03-28 12:19:35,323 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.53/9.27 [2019-03-28 12:19:35,324 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.53/9.27 [2019-03-28 12:19:35,324 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.53/9.27 [2019-03-28 12:19:35,325 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.53/9.27 [2019-03-28 12:19:35,326 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.53/9.27 [2019-03-28 12:19:35,326 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.53/9.27 [2019-03-28 12:19:35,326 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.53/9.27 [2019-03-28 12:19:35,327 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.53/9.27 [2019-03-28 12:19:35,328 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.53/9.27 [2019-03-28 12:19:35,328 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.53/9.27 [2019-03-28 12:19:35,328 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 15.53/9.27 [2019-03-28 12:19:35,343 INFO L110 SettingsManager]: Loading preferences was successful 15.53/9.27 [2019-03-28 12:19:35,343 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.53/9.27 [2019-03-28 12:19:35,344 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.53/9.27 [2019-03-28 12:19:35,344 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.53/9.27 [2019-03-28 12:19:35,345 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.53/9.27 [2019-03-28 12:19:35,345 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.53/9.27 [2019-03-28 12:19:35,345 INFO L133 SettingsManager]: * Use SBE=true 15.53/9.27 [2019-03-28 12:19:35,345 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.53/9.27 [2019-03-28 12:19:35,345 INFO L133 SettingsManager]: * Use old map elimination=false 15.53/9.27 [2019-03-28 12:19:35,345 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.53/9.27 [2019-03-28 12:19:35,346 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.53/9.27 [2019-03-28 12:19:35,346 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.53/9.27 [2019-03-28 12:19:35,346 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.53/9.27 [2019-03-28 12:19:35,346 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.53/9.27 [2019-03-28 12:19:35,346 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/9.27 [2019-03-28 12:19:35,347 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.53/9.27 [2019-03-28 12:19:35,347 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.53/9.27 [2019-03-28 12:19:35,347 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.53/9.27 [2019-03-28 12:19:35,347 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.53/9.27 [2019-03-28 12:19:35,347 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.53/9.27 [2019-03-28 12:19:35,347 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.53/9.27 [2019-03-28 12:19:35,348 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.53/9.27 [2019-03-28 12:19:35,348 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.53/9.27 [2019-03-28 12:19:35,348 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.53/9.27 [2019-03-28 12:19:35,348 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.53/9.27 [2019-03-28 12:19:35,348 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.53/9.27 [2019-03-28 12:19:35,348 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.53/9.27 [2019-03-28 12:19:35,349 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.53/9.27 [2019-03-28 12:19:35,349 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.53/9.27 [2019-03-28 12:19:35,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.53/9.27 [2019-03-28 12:19:35,397 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.53/9.27 [2019-03-28 12:19:35,400 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.53/9.27 [2019-03-28 12:19:35,402 INFO L271 PluginConnector]: Initializing CDTParser... 15.53/9.27 [2019-03-28 12:19:35,402 INFO L276 PluginConnector]: CDTParser initialized 15.53/9.27 [2019-03-28 12:19:35,403 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 15.53/9.27 [2019-03-28 12:19:35,468 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/431fc6b5584b48dab620a3f45d8a9bac/FLAGe012e8f79 15.53/9.27 [2019-03-28 12:19:36,044 INFO L307 CDTParser]: Found 1 translation units. 15.53/9.27 [2019-03-28 12:19:36,044 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 15.53/9.27 [2019-03-28 12:19:36,051 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/431fc6b5584b48dab620a3f45d8a9bac/FLAGe012e8f79 15.53/9.27 [2019-03-28 12:19:36,448 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/431fc6b5584b48dab620a3f45d8a9bac 15.53/9.27 [2019-03-28 12:19:36,459 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.53/9.27 [2019-03-28 12:19:36,461 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.53/9.27 [2019-03-28 12:19:36,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.53/9.27 [2019-03-28 12:19:36,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.53/9.27 [2019-03-28 12:19:36,466 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.53/9.27 [2019-03-28 12:19:36,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:19:36" (1/1) ... 15.53/9.27 [2019-03-28 12:19:36,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d4582d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:19:36, skipping insertion in model container 15.53/9.27 [2019-03-28 12:19:36,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:19:36" (1/1) ... 15.53/9.27 [2019-03-28 12:19:36,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.53/9.27 [2019-03-28 12:19:36,496 INFO L176 MainTranslator]: Built tables and reachable declarations 15.53/9.27 [2019-03-28 12:19:36,658 INFO L206 PostProcessor]: Analyzing one entry point: main 15.53/9.27 [2019-03-28 12:19:36,662 INFO L191 MainTranslator]: Completed pre-run 15.53/9.27 [2019-03-28 12:19:36,680 INFO L206 PostProcessor]: Analyzing one entry point: main 15.53/9.27 [2019-03-28 12:19:36,759 INFO L195 MainTranslator]: Completed translation 15.53/9.27 [2019-03-28 12:19:36,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:19:36 WrapperNode 15.53/9.27 [2019-03-28 12:19:36,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.53/9.27 [2019-03-28 12:19:36,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.53/9.27 [2019-03-28 12:19:36,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.53/9.27 [2019-03-28 12:19:36,762 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.53/9.27 [2019-03-28 12:19:36,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:19:36" (1/1) ... 15.53/9.27 [2019-03-28 12:19:36,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:19:36" (1/1) ... 15.53/9.27 [2019-03-28 12:19:36,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.53/9.27 [2019-03-28 12:19:36,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.53/9.27 [2019-03-28 12:19:36,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.53/9.27 [2019-03-28 12:19:36,800 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.53/9.27 [2019-03-28 12:19:36,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:19:36" (1/1) ... 15.53/9.27 [2019-03-28 12:19:36,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:19:36" (1/1) ... 15.53/9.27 [2019-03-28 12:19:36,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:19:36" (1/1) ... 15.53/9.27 [2019-03-28 12:19:36,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:19:36" (1/1) ... 15.53/9.27 [2019-03-28 12:19:36,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:19:36" (1/1) ... 15.53/9.27 [2019-03-28 12:19:36,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:19:36" (1/1) ... 15.53/9.27 [2019-03-28 12:19:36,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:19:36" (1/1) ... 15.53/9.27 [2019-03-28 12:19:36,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.53/9.27 [2019-03-28 12:19:36,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.53/9.27 [2019-03-28 12:19:36,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.53/9.27 [2019-03-28 12:19:36,820 INFO L276 PluginConnector]: RCFGBuilder initialized 15.53/9.27 [2019-03-28 12:19:36,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:19:36" (1/1) ... 15.53/9.27 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.53/9.27 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.53/9.27 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.53/9.27 [2019-03-28 12:19:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.53/9.27 [2019-03-28 12:19:36,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.53/9.27 [2019-03-28 12:19:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 15.53/9.27 [2019-03-28 12:19:36,895 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 15.53/9.27 [2019-03-28 12:19:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 15.53/9.27 [2019-03-28 12:19:36,895 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 15.53/9.27 [2019-03-28 12:19:37,057 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.53/9.27 [2019-03-28 12:19:37,058 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. 15.53/9.27 [2019-03-28 12:19:37,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:19:37 BoogieIcfgContainer 15.53/9.27 [2019-03-28 12:19:37,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.53/9.27 [2019-03-28 12:19:37,060 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.53/9.27 [2019-03-28 12:19:37,060 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.53/9.27 [2019-03-28 12:19:37,063 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.53/9.27 [2019-03-28 12:19:37,064 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:19:37" (1/1) ... 15.53/9.27 [2019-03-28 12:19:37,082 INFO L313 BlockEncoder]: Initial Icfg 25 locations, 32 edges 15.53/9.27 [2019-03-28 12:19:37,084 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.53/9.27 [2019-03-28 12:19:37,084 INFO L263 BlockEncoder]: Using Maximize final states 15.53/9.27 [2019-03-28 12:19:37,085 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.53/9.27 [2019-03-28 12:19:37,085 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.53/9.27 [2019-03-28 12:19:37,087 INFO L296 BlockEncoder]: Using Remove sink states 15.53/9.27 [2019-03-28 12:19:37,088 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.53/9.27 [2019-03-28 12:19:37,088 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.53/9.27 [2019-03-28 12:19:37,104 INFO L185 BlockEncoder]: Using Use SBE 15.53/9.27 [2019-03-28 12:19:37,120 INFO L200 BlockEncoder]: SBE split 3 edges 15.53/9.27 [2019-03-28 12:19:37,125 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.53/9.27 [2019-03-28 12:19:37,126 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.53/9.27 [2019-03-28 12:19:37,136 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 15.53/9.27 [2019-03-28 12:19:37,138 INFO L70 RemoveSinkStates]: Removed 6 edges and 5 locations by removing sink states 15.53/9.27 [2019-03-28 12:19:37,140 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.53/9.27 [2019-03-28 12:19:37,140 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.53/9.27 [2019-03-28 12:19:37,141 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.53/9.27 [2019-03-28 12:19:37,141 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.53/9.27 [2019-03-28 12:19:37,142 INFO L313 BlockEncoder]: Encoded RCFG 18 locations, 26 edges 15.53/9.27 [2019-03-28 12:19:37,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:19:37 BasicIcfg 15.53/9.27 [2019-03-28 12:19:37,142 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.53/9.27 [2019-03-28 12:19:37,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.53/9.27 [2019-03-28 12:19:37,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.53/9.27 [2019-03-28 12:19:37,147 INFO L276 PluginConnector]: TraceAbstraction initialized 15.53/9.27 [2019-03-28 12:19:37,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:19:36" (1/4) ... 15.53/9.27 [2019-03-28 12:19:37,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6b2c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:19:37, skipping insertion in model container 15.53/9.27 [2019-03-28 12:19:37,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:19:36" (2/4) ... 15.53/9.27 [2019-03-28 12:19:37,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6b2c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:19:37, skipping insertion in model container 15.53/9.27 [2019-03-28 12:19:37,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:19:37" (3/4) ... 15.53/9.27 [2019-03-28 12:19:37,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6b2c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:19:37, skipping insertion in model container 15.53/9.27 [2019-03-28 12:19:37,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:19:37" (4/4) ... 15.53/9.27 [2019-03-28 12:19:37,151 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.53/9.27 [2019-03-28 12:19:37,161 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.53/9.27 [2019-03-28 12:19:37,169 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.53/9.27 [2019-03-28 12:19:37,189 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.53/9.27 [2019-03-28 12:19:37,220 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.53/9.27 [2019-03-28 12:19:37,221 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.53/9.27 [2019-03-28 12:19:37,221 INFO L383 AbstractCegarLoop]: Hoare is true 15.53/9.27 [2019-03-28 12:19:37,222 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.53/9.27 [2019-03-28 12:19:37,222 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.53/9.27 [2019-03-28 12:19:37,222 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.53/9.27 [2019-03-28 12:19:37,222 INFO L387 AbstractCegarLoop]: Difference is false 15.53/9.27 [2019-03-28 12:19:37,222 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.53/9.27 [2019-03-28 12:19:37,222 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.53/9.27 [2019-03-28 12:19:37,240 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. 15.53/9.27 [2019-03-28 12:19:37,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.53/9.27 [2019-03-28 12:19:37,253 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 18 states. 15.53/9.27 [2019-03-28 12:19:37,316 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.53/9.27 [2019-03-28 12:19:37,317 INFO L451 ceAbstractionStarter]: At program point L37(line 37) the Hoare annotation is: true 15.53/9.27 [2019-03-28 12:19:37,317 INFO L451 ceAbstractionStarter]: At program point fibo2ENTRY(lines 17 25) the Hoare annotation is: true 15.53/9.27 [2019-03-28 12:19:37,317 INFO L448 ceAbstractionStarter]: For program point fibo2FINAL(lines 17 25) no Hoare annotation was computed. 15.53/9.27 [2019-03-28 12:19:37,317 INFO L448 ceAbstractionStarter]: For program point fibo2EXIT(lines 17 25) no Hoare annotation was computed. 15.53/9.27 [2019-03-28 12:19:37,318 INFO L451 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: true 15.53/9.27 [2019-03-28 12:19:37,318 INFO L451 ceAbstractionStarter]: At program point L23-1(line 23) the Hoare annotation is: true 15.53/9.27 [2019-03-28 12:19:37,318 INFO L448 ceAbstractionStarter]: For program point L23-2(line 23) no Hoare annotation was computed. 15.53/9.27 [2019-03-28 12:19:37,318 INFO L448 ceAbstractionStarter]: For program point L20(lines 20 24) no Hoare annotation was computed. 15.53/9.27 [2019-03-28 12:19:37,318 INFO L448 ceAbstractionStarter]: For program point L18(lines 18 24) no Hoare annotation was computed. 15.53/9.27 [2019-03-28 12:19:37,319 INFO L451 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: true 15.53/9.27 [2019-03-28 12:19:37,319 INFO L451 ceAbstractionStarter]: At program point L13-1(line 13) the Hoare annotation is: true 15.53/9.27 [2019-03-28 12:19:37,319 INFO L448 ceAbstractionStarter]: For program point fibo1FINAL(lines 7 15) no Hoare annotation was computed. 15.53/9.27 [2019-03-28 12:19:37,319 INFO L448 ceAbstractionStarter]: For program point L13-2(line 13) no Hoare annotation was computed. 15.53/9.27 [2019-03-28 12:19:37,319 INFO L451 ceAbstractionStarter]: At program point fibo1ENTRY(lines 7 15) the Hoare annotation is: true 15.53/9.27 [2019-03-28 12:19:37,320 INFO L448 ceAbstractionStarter]: For program point L10(lines 10 14) no Hoare annotation was computed. 15.53/9.27 [2019-03-28 12:19:37,320 INFO L448 ceAbstractionStarter]: For program point L8(lines 8 14) no Hoare annotation was computed. 15.53/9.27 [2019-03-28 12:19:37,320 INFO L448 ceAbstractionStarter]: For program point fibo1EXIT(lines 7 15) no Hoare annotation was computed. 15.53/9.27 [2019-03-28 12:19:37,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:19:37 BasicIcfg 15.53/9.27 [2019-03-28 12:19:37,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.53/9.27 [2019-03-28 12:19:37,324 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.53/9.27 [2019-03-28 12:19:37,325 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.53/9.27 [2019-03-28 12:19:37,328 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.53/9.27 [2019-03-28 12:19:37,329 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.53/9.27 [2019-03-28 12:19:37,329 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:19:36" (1/5) ... 15.53/9.27 [2019-03-28 12:19:37,330 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c7a83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:19:37, skipping insertion in model container 15.53/9.27 [2019-03-28 12:19:37,330 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.53/9.27 [2019-03-28 12:19:37,330 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:19:36" (2/5) ... 15.53/9.27 [2019-03-28 12:19:37,330 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c7a83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:19:37, skipping insertion in model container 15.53/9.27 [2019-03-28 12:19:37,330 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.53/9.27 [2019-03-28 12:19:37,331 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:19:37" (3/5) ... 15.53/9.27 [2019-03-28 12:19:37,331 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c7a83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:19:37, skipping insertion in model container 15.53/9.27 [2019-03-28 12:19:37,331 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.53/9.27 [2019-03-28 12:19:37,331 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:19:37" (4/5) ... 15.53/9.27 [2019-03-28 12:19:37,332 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7c7a83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:19:37, skipping insertion in model container 15.53/9.27 [2019-03-28 12:19:37,332 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.53/9.27 [2019-03-28 12:19:37,332 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:19:37" (5/5) ... 15.53/9.27 [2019-03-28 12:19:37,333 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.53/9.27 [2019-03-28 12:19:37,364 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.53/9.27 [2019-03-28 12:19:37,365 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.53/9.27 [2019-03-28 12:19:37,365 INFO L375 BuchiCegarLoop]: Hoare is true 15.53/9.27 [2019-03-28 12:19:37,365 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.53/9.27 [2019-03-28 12:19:37,365 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.53/9.27 [2019-03-28 12:19:37,365 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.53/9.27 [2019-03-28 12:19:37,366 INFO L379 BuchiCegarLoop]: Difference is false 15.53/9.27 [2019-03-28 12:19:37,366 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.53/9.27 [2019-03-28 12:19:37,366 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.53/9.27 [2019-03-28 12:19:37,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. 15.53/9.27 [2019-03-28 12:19:37,393 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 15.53/9.27 [2019-03-28 12:19:37,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.53/9.27 [2019-03-28 12:19:37,393 INFO L119 BuchiIsEmpty]: Starting construction of run 15.53/9.27 [2019-03-28 12:19:37,401 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.53/9.27 [2019-03-28 12:19:37,401 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] 15.53/9.27 [2019-03-28 12:19:37,401 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.53/9.27 [2019-03-28 12:19:37,401 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. 15.53/9.27 [2019-03-28 12:19:37,404 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 15.53/9.27 [2019-03-28 12:19:37,404 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.53/9.27 [2019-03-28 12:19:37,404 INFO L119 BuchiIsEmpty]: Starting construction of run 15.53/9.27 [2019-03-28 12:19:37,404 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.53/9.27 [2019-03-28 12:19:37,404 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] 15.53/9.27 [2019-03-28 12:19:37,410 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue [72] ULTIMATE.startENTRY-->L37: Formula: (= v_ULTIMATE.start_main_~x~0_1 2) InVars {} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_1|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret4, ULTIMATE.start_main_~result~0] 4#L37true [65] L37-->fibo1ENTRY: Formula: (= |v_fibo1_#in~nInParam_1| v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{fibo1_#in~n=|v_fibo1_#in~nInParam_1|} AuxVars[] AssignedVars[fibo1_#in~n]< 15#fibo1ENTRYtrue 15.53/9.27 [2019-03-28 12:19:37,411 INFO L796 eck$LassoCheckResult]: Loop: 15#fibo1ENTRYtrue [73] fibo1ENTRY-->L8: Formula: (= v_fibo1_~n_7 |v_fibo1_#in~n_1|) InVars {fibo1_#in~n=|v_fibo1_#in~n_1|} OutVars{fibo1_#in~n=|v_fibo1_#in~n_1|, fibo1_~n=v_fibo1_~n_7} AuxVars[] AssignedVars[fibo1_~n] 18#L8true [84] L8-->L10: Formula: (>= v_fibo1_~n_2 1) InVars {fibo1_~n=v_fibo1_~n_2} OutVars{fibo1_~n=v_fibo1_~n_2} AuxVars[] AssignedVars[] 5#L10true [89] L10-->L13: Formula: (< v_fibo1_~n_4 1) InVars {fibo1_~n=v_fibo1_~n_4} OutVars{fibo1_~n=v_fibo1_~n_4} AuxVars[] AssignedVars[] 10#L13true [67] L13-->fibo2ENTRY: Formula: (= |v_fibo2_#in~nInParam_1| (+ v_fibo1_~n_8 (- 1))) InVars {fibo1_~n=v_fibo1_~n_8} OutVars{fibo2_#in~n=|v_fibo2_#in~nInParam_1|} AuxVars[] AssignedVars[fibo2_#in~n]< 16#fibo2ENTRYtrue [60] fibo2ENTRY-->L18: Formula: (= v_fibo2_~n_1 |v_fibo2_#in~n_1|) InVars {fibo2_#in~n=|v_fibo2_#in~n_1|} OutVars{fibo2_~n=v_fibo2_~n_1, fibo2_#in~n=|v_fibo2_#in~n_1|} AuxVars[] AssignedVars[fibo2_~n] 20#L18true [87] L18-->L20: Formula: (>= v_fibo2_~n_3 1) InVars {fibo2_~n=v_fibo2_~n_3} OutVars{fibo2_~n=v_fibo2_~n_3} AuxVars[] AssignedVars[] 19#L20true [93] L20-->L23: Formula: (> 1 v_fibo2_~n_5) InVars {fibo2_~n=v_fibo2_~n_5} OutVars{fibo2_~n=v_fibo2_~n_5} AuxVars[] AssignedVars[] 3#L23true [52] L23-->fibo1ENTRY: Formula: (= |v_fibo1_#in~nInParam_2| (+ v_fibo2_~n_8 (- 1))) InVars {fibo2_~n=v_fibo2_~n_8} OutVars{fibo1_#in~n=|v_fibo1_#in~nInParam_2|} AuxVars[] AssignedVars[fibo1_#in~n]< 15#fibo1ENTRYtrue 15.53/9.27 [2019-03-28 12:19:37,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.53/9.27 [2019-03-28 12:19:37,417 INFO L82 PathProgramCache]: Analyzing trace with hash 3258, now seen corresponding path program 1 times 15.53/9.27 [2019-03-28 12:19:37,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.53/9.27 [2019-03-28 12:19:37,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.53/9.27 [2019-03-28 12:19:37,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/9.27 [2019-03-28 12:19:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/9.27 [2019-03-28 12:19:37,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.53/9.27 [2019-03-28 12:19:37,490 INFO L82 PathProgramCache]: Analyzing trace with hash 716290632, now seen corresponding path program 1 times 15.53/9.27 [2019-03-28 12:19:37,492 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.53/9.27 [2019-03-28 12:19:37,492 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.53/9.27 [2019-03-28 12:19:37,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.53/9.27 [2019-03-28 12:19:37,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.53/9.27 [2019-03-28 12:19:37,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.53/9.27 [2019-03-28 12:19:37,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 15.53/9.27 [2019-03-28 12:19:37,545 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.53/9.27 [2019-03-28 12:19:37,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 15.53/9.27 [2019-03-28 12:19:37,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 15.53/9.27 [2019-03-28 12:19:37,562 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. 15.53/9.27 [2019-03-28 12:19:37,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.53/9.27 [2019-03-28 12:19:37,595 INFO L93 Difference]: Finished difference Result 20 states and 28 transitions. 15.53/9.27 [2019-03-28 12:19:37,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 15.53/9.27 [2019-03-28 12:19:37,599 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 28 transitions. 15.53/9.27 [2019-03-28 12:19:37,602 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 15.53/9.27 [2019-03-28 12:19:37,609 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 28 transitions. 15.53/9.27 [2019-03-28 12:19:37,610 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 15.53/9.27 [2019-03-28 12:19:37,610 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 15.53/9.27 [2019-03-28 12:19:37,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 28 transitions. 15.53/9.27 [2019-03-28 12:19:37,613 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.53/9.27 [2019-03-28 12:19:37,614 INFO L706 BuchiCegarLoop]: Abstraction has 20 states and 28 transitions. 15.53/9.27 [2019-03-28 12:19:37,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 28 transitions. 15.53/9.27 [2019-03-28 12:19:37,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. 15.53/9.27 [2019-03-28 12:19:37,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. 15.53/9.27 [2019-03-28 12:19:37,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. 15.53/9.27 [2019-03-28 12:19:37,647 INFO L729 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. 15.53/9.27 [2019-03-28 12:19:37,647 INFO L609 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. 15.53/9.27 [2019-03-28 12:19:37,647 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.53/9.27 [2019-03-28 12:19:37,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. 15.53/9.27 [2019-03-28 12:19:37,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 15.53/9.27 [2019-03-28 12:19:37,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.53/9.27 [2019-03-28 12:19:37,649 INFO L119 BuchiIsEmpty]: Starting construction of run 15.53/9.27 [2019-03-28 12:19:37,649 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.53/9.27 [2019-03-28 12:19:37,649 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] 15.53/9.27 [2019-03-28 12:19:37,650 INFO L794 eck$LassoCheckResult]: Stem: 61#ULTIMATE.startENTRY [72] ULTIMATE.startENTRY-->L37: Formula: (= v_ULTIMATE.start_main_~x~0_1 2) InVars {} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_1|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret4, ULTIMATE.start_main_~result~0] 54#L37 [65] L37-->fibo1ENTRY: Formula: (= |v_fibo1_#in~nInParam_1| v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{fibo1_#in~n=|v_fibo1_#in~nInParam_1|} AuxVars[] AssignedVars[fibo1_#in~n]< 50#fibo1ENTRY 15.53/9.27 [2019-03-28 12:19:37,650 INFO L796 eck$LassoCheckResult]: Loop: 50#fibo1ENTRY [73] fibo1ENTRY-->L8: Formula: (= v_fibo1_~n_7 |v_fibo1_#in~n_1|) InVars {fibo1_#in~n=|v_fibo1_#in~n_1|} OutVars{fibo1_#in~n=|v_fibo1_#in~n_1|, fibo1_~n=v_fibo1_~n_7} AuxVars[] AssignedVars[fibo1_~n] 62#L8 [84] L8-->L10: Formula: (>= v_fibo1_~n_2 1) InVars {fibo1_~n=v_fibo1_~n_2} OutVars{fibo1_~n=v_fibo1_~n_2} AuxVars[] AssignedVars[] 55#L10 [90] L10-->L13: Formula: (> v_fibo1_~n_4 1) InVars {fibo1_~n=v_fibo1_~n_4} OutVars{fibo1_~n=v_fibo1_~n_4} AuxVars[] AssignedVars[] 48#L13 [67] L13-->fibo2ENTRY: Formula: (= |v_fibo2_#in~nInParam_1| (+ v_fibo1_~n_8 (- 1))) InVars {fibo1_~n=v_fibo1_~n_8} OutVars{fibo2_#in~n=|v_fibo2_#in~nInParam_1|} AuxVars[] AssignedVars[fibo2_#in~n]< 59#fibo2ENTRY [60] fibo2ENTRY-->L18: Formula: (= v_fibo2_~n_1 |v_fibo2_#in~n_1|) InVars {fibo2_#in~n=|v_fibo2_#in~n_1|} OutVars{fibo2_~n=v_fibo2_~n_1, fibo2_#in~n=|v_fibo2_#in~n_1|} AuxVars[] AssignedVars[fibo2_~n] 63#L18 [87] L18-->L20: Formula: (>= v_fibo2_~n_3 1) InVars {fibo2_~n=v_fibo2_~n_3} OutVars{fibo2_~n=v_fibo2_~n_3} AuxVars[] AssignedVars[] 64#L20 [93] L20-->L23: Formula: (> 1 v_fibo2_~n_5) InVars {fibo2_~n=v_fibo2_~n_5} OutVars{fibo2_~n=v_fibo2_~n_5} AuxVars[] AssignedVars[] 47#L23 [52] L23-->fibo1ENTRY: Formula: (= |v_fibo1_#in~nInParam_2| (+ v_fibo2_~n_8 (- 1))) InVars {fibo2_~n=v_fibo2_~n_8} OutVars{fibo1_#in~n=|v_fibo1_#in~nInParam_2|} AuxVars[] AssignedVars[fibo1_#in~n]< 50#fibo1ENTRY 15.53/9.27 [2019-03-28 12:19:37,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.53/9.27 [2019-03-28 12:19:37,651 INFO L82 PathProgramCache]: Analyzing trace with hash 3258, now seen corresponding path program 2 times 15.53/9.27 [2019-03-28 12:19:37,651 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.53/9.27 [2019-03-28 12:19:37,651 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.53/9.27 [2019-03-28 12:19:37,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/9.27 [2019-03-28 12:19:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/9.27 [2019-03-28 12:19:37,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.53/9.27 [2019-03-28 12:19:37,658 INFO L82 PathProgramCache]: Analyzing trace with hash 744919783, now seen corresponding path program 1 times 15.53/9.27 [2019-03-28 12:19:37,658 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.53/9.27 [2019-03-28 12:19:37,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.53/9.27 [2019-03-28 12:19:37,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,659 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.53/9.27 [2019-03-28 12:19:37,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.53/9.27 [2019-03-28 12:19:37,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.53/9.27 [2019-03-28 12:19:37,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 15.53/9.27 [2019-03-28 12:19:37,676 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.53/9.27 [2019-03-28 12:19:37,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 15.53/9.27 [2019-03-28 12:19:37,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 15.53/9.27 [2019-03-28 12:19:37,677 INFO L87 Difference]: Start difference. First operand 18 states and 25 transitions. cyclomatic complexity: 8 Second operand 3 states. 15.53/9.27 [2019-03-28 12:19:37,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.53/9.27 [2019-03-28 12:19:37,697 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. 15.53/9.27 [2019-03-28 12:19:37,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 15.53/9.27 [2019-03-28 12:19:37,698 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. 15.53/9.27 [2019-03-28 12:19:37,700 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 15.53/9.27 [2019-03-28 12:19:37,701 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 27 transitions. 15.53/9.27 [2019-03-28 12:19:37,702 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 15.53/9.27 [2019-03-28 12:19:37,702 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 15.53/9.27 [2019-03-28 12:19:37,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. 15.53/9.27 [2019-03-28 12:19:37,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.53/9.27 [2019-03-28 12:19:37,703 INFO L706 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. 15.53/9.27 [2019-03-28 12:19:37,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. 15.53/9.27 [2019-03-28 12:19:37,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. 15.53/9.27 [2019-03-28 12:19:37,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. 15.53/9.27 [2019-03-28 12:19:37,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. 15.53/9.27 [2019-03-28 12:19:37,706 INFO L729 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. 15.53/9.27 [2019-03-28 12:19:37,706 INFO L609 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. 15.53/9.27 [2019-03-28 12:19:37,706 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.53/9.27 [2019-03-28 12:19:37,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. 15.53/9.27 [2019-03-28 12:19:37,707 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 15.53/9.27 [2019-03-28 12:19:37,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.53/9.27 [2019-03-28 12:19:37,707 INFO L119 BuchiIsEmpty]: Starting construction of run 15.53/9.27 [2019-03-28 12:19:37,708 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.53/9.27 [2019-03-28 12:19:37,708 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] 15.53/9.27 [2019-03-28 12:19:37,708 INFO L794 eck$LassoCheckResult]: Stem: 105#ULTIMATE.startENTRY [72] ULTIMATE.startENTRY-->L37: Formula: (= v_ULTIMATE.start_main_~x~0_1 2) InVars {} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_1|, ULTIMATE.start_main_~result~0=v_ULTIMATE.start_main_~result~0_1} AuxVars[] AssignedVars[ULTIMATE.start_main_#res, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret4, ULTIMATE.start_main_~result~0] 95#L37 [65] L37-->fibo1ENTRY: Formula: (= |v_fibo1_#in~nInParam_1| v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{fibo1_#in~n=|v_fibo1_#in~nInParam_1|} AuxVars[] AssignedVars[fibo1_#in~n]< 94#fibo1ENTRY 15.53/9.27 [2019-03-28 12:19:37,709 INFO L796 eck$LassoCheckResult]: Loop: 94#fibo1ENTRY [73] fibo1ENTRY-->L8: Formula: (= v_fibo1_~n_7 |v_fibo1_#in~n_1|) InVars {fibo1_#in~n=|v_fibo1_#in~n_1|} OutVars{fibo1_#in~n=|v_fibo1_#in~n_1|, fibo1_~n=v_fibo1_~n_7} AuxVars[] AssignedVars[fibo1_~n] 106#L8 [84] L8-->L10: Formula: (>= v_fibo1_~n_2 1) InVars {fibo1_~n=v_fibo1_~n_2} OutVars{fibo1_~n=v_fibo1_~n_2} AuxVars[] AssignedVars[] 96#L10 [90] L10-->L13: Formula: (> v_fibo1_~n_4 1) InVars {fibo1_~n=v_fibo1_~n_4} OutVars{fibo1_~n=v_fibo1_~n_4} AuxVars[] AssignedVars[] 92#L13 [67] L13-->fibo2ENTRY: Formula: (= |v_fibo2_#in~nInParam_1| (+ v_fibo1_~n_8 (- 1))) InVars {fibo1_~n=v_fibo1_~n_8} OutVars{fibo2_#in~n=|v_fibo2_#in~nInParam_1|} AuxVars[] AssignedVars[fibo2_#in~n]< 103#fibo2ENTRY [60] fibo2ENTRY-->L18: Formula: (= v_fibo2_~n_1 |v_fibo2_#in~n_1|) InVars {fibo2_#in~n=|v_fibo2_#in~n_1|} OutVars{fibo2_~n=v_fibo2_~n_1, fibo2_#in~n=|v_fibo2_#in~n_1|} AuxVars[] AssignedVars[fibo2_~n] 107#L18 [87] L18-->L20: Formula: (>= v_fibo2_~n_3 1) InVars {fibo2_~n=v_fibo2_~n_3} OutVars{fibo2_~n=v_fibo2_~n_3} AuxVars[] AssignedVars[] 108#L20 [94] L20-->L23: Formula: (< 1 v_fibo2_~n_5) InVars {fibo2_~n=v_fibo2_~n_5} OutVars{fibo2_~n=v_fibo2_~n_5} AuxVars[] AssignedVars[] 91#L23 [52] L23-->fibo1ENTRY: Formula: (= |v_fibo1_#in~nInParam_2| (+ v_fibo2_~n_8 (- 1))) InVars {fibo2_~n=v_fibo2_~n_8} OutVars{fibo1_#in~n=|v_fibo1_#in~nInParam_2|} AuxVars[] AssignedVars[fibo1_#in~n]< 94#fibo1ENTRY 15.53/9.27 [2019-03-28 12:19:37,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.53/9.27 [2019-03-28 12:19:37,709 INFO L82 PathProgramCache]: Analyzing trace with hash 3258, now seen corresponding path program 3 times 15.53/9.27 [2019-03-28 12:19:37,710 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.53/9.27 [2019-03-28 12:19:37,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.53/9.27 [2019-03-28 12:19:37,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/9.27 [2019-03-28 12:19:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/9.27 [2019-03-28 12:19:37,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.53/9.27 [2019-03-28 12:19:37,716 INFO L82 PathProgramCache]: Analyzing trace with hash 744919814, now seen corresponding path program 1 times 15.53/9.27 [2019-03-28 12:19:37,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.53/9.27 [2019-03-28 12:19:37,717 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.53/9.27 [2019-03-28 12:19:37,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,717 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/9.27 [2019-03-28 12:19:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.53/9.27 [2019-03-28 12:19:37,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.53/9.27 [2019-03-28 12:19:37,729 INFO L82 PathProgramCache]: Analyzing trace with hash -2029070657, now seen corresponding path program 1 times 15.53/9.27 [2019-03-28 12:19:37,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.53/9.27 [2019-03-28 12:19:37,730 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.53/9.27 [2019-03-28 12:19:37,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.53/9.27 [2019-03-28 12:19:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.53/9.27 [2019-03-28 12:19:37,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.53/9.27 [2019-03-28 12:19:37,789 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.53/9.27 [2019-03-28 12:19:37,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 15.53/9.27 [2019-03-28 12:19:37,921 INFO L216 LassoAnalysis]: Preferences: 15.53/9.27 [2019-03-28 12:19:37,923 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.53/9.27 [2019-03-28 12:19:37,923 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.53/9.27 [2019-03-28 12:19:37,923 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.53/9.27 [2019-03-28 12:19:37,923 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.53/9.27 [2019-03-28 12:19:37,923 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/9.27 [2019-03-28 12:19:37,924 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.53/9.27 [2019-03-28 12:19:37,924 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.53/9.27 [2019-03-28 12:19:37,924 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.53/9.27 [2019-03-28 12:19:37,924 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.53/9.27 [2019-03-28 12:19:37,924 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.53/9.27 [2019-03-28 12:19:37,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.27 [2019-03-28 12:19:37,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.27 [2019-03-28 12:19:37,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.27 [2019-03-28 12:19:37,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.27 [2019-03-28 12:19:37,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.27 [2019-03-28 12:19:37,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.27 [2019-03-28 12:19:37,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.27 [2019-03-28 12:19:37,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.27 [2019-03-28 12:19:37,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.27 [2019-03-28 12:19:37,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.27 [2019-03-28 12:19:38,046 INFO L300 LassoAnalysis]: Preprocessing complete. 15.53/9.27 [2019-03-28 12:19:38,047 INFO L412 LassoAnalysis]: Checking for nontermination... 15.53/9.27 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.53/9.27 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/9.27 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/9.27 [2019-03-28 12:19:38,054 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.53/9.27 [2019-03-28 12:19:38,055 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/9.27 [2019-03-28 12:19:38,064 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.53/9.27 [2019-03-28 12:19:38,064 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fibo2_#res=0} Honda state: {fibo2_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.53/9.27 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.53/9.27 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/9.27 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/9.27 [2019-03-28 12:19:38,092 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.53/9.27 [2019-03-28 12:19:38,092 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/9.27 [2019-03-28 12:19:38,096 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.53/9.28 [2019-03-28 12:19:38,096 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fibo1_#res=0} Honda state: {fibo1_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.53/9.28 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.53/9.28 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/9.28 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/9.28 [2019-03-28 12:19:38,124 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.53/9.28 [2019-03-28 12:19:38,125 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/9.28 [2019-03-28 12:19:38,129 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.53/9.28 [2019-03-28 12:19:38,129 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fibo2_#in~n=0} Honda state: {fibo2_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.53/9.28 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.53/9.28 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/9.28 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/9.28 [2019-03-28 12:19:38,156 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.53/9.28 [2019-03-28 12:19:38,156 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/9.28 [2019-03-28 12:19:38,161 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.53/9.28 [2019-03-28 12:19:38,161 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fibo2_#t~ret2=0} Honda state: {fibo2_#t~ret2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.53/9.28 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.53/9.28 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/9.28 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/9.28 [2019-03-28 12:19:38,187 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.53/9.28 [2019-03-28 12:19:38,187 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/9.28 [2019-03-28 12:19:38,191 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.53/9.28 [2019-03-28 12:19:38,191 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fibo2_#t~ret3=0} Honda state: {fibo2_#t~ret3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.53/9.28 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.53/9.28 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/9.28 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/9.28 [2019-03-28 12:19:38,223 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.53/9.28 [2019-03-28 12:19:38,223 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/9.28 [2019-03-28 12:19:38,227 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.53/9.28 [2019-03-28 12:19:38,227 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fibo2_~n=0} Honda state: {fibo2_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.53/9.28 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.53/9.28 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/9.28 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/9.28 [2019-03-28 12:19:38,254 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.53/9.28 [2019-03-28 12:19:38,254 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/9.28 [2019-03-28 12:19:38,258 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.53/9.28 [2019-03-28 12:19:38,258 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fibo1_~n=0} Honda state: {fibo1_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.53/9.28 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.53/9.28 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/9.28 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/9.28 [2019-03-28 12:19:38,290 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.53/9.28 [2019-03-28 12:19:38,290 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/9.28 [2019-03-28 12:19:38,294 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.53/9.28 [2019-03-28 12:19:38,294 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fibo1_#t~ret1=0} Honda state: {fibo1_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.53/9.28 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.53/9.28 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/9.28 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/9.28 [2019-03-28 12:19:38,321 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.53/9.28 [2019-03-28 12:19:38,321 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/9.28 [2019-03-28 12:19:38,324 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.53/9.28 [2019-03-28 12:19:38,325 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {fibo1_#t~ret0=0} Honda state: {fibo1_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.53/9.28 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.53/9.28 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/9.28 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/9.28 [2019-03-28 12:19:38,352 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.53/9.28 [2019-03-28 12:19:38,352 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/9.28 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 15.53/9.28 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.53/9.28 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.53/9.28 [2019-03-28 12:19:38,382 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.53/9.28 [2019-03-28 12:19:38,383 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.53/9.28 [2019-03-28 12:19:38,455 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.53/9.28 [2019-03-28 12:19:38,457 INFO L216 LassoAnalysis]: Preferences: 15.53/9.28 [2019-03-28 12:19:38,458 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.53/9.28 [2019-03-28 12:19:38,458 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.53/9.28 [2019-03-28 12:19:38,458 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.53/9.28 [2019-03-28 12:19:38,458 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.53/9.28 [2019-03-28 12:19:38,458 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.53/9.28 [2019-03-28 12:19:38,458 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.53/9.28 [2019-03-28 12:19:38,458 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.53/9.28 [2019-03-28 12:19:38,459 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 15.53/9.28 [2019-03-28 12:19:38,459 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.53/9.28 [2019-03-28 12:19:38,459 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.53/9.28 [2019-03-28 12:19:38,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.28 [2019-03-28 12:19:38,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.28 [2019-03-28 12:19:38,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.28 [2019-03-28 12:19:38,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.28 [2019-03-28 12:19:38,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.28 [2019-03-28 12:19:38,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.28 [2019-03-28 12:19:38,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.28 [2019-03-28 12:19:38,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.28 [2019-03-28 12:19:38,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.28 [2019-03-28 12:19:38,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.53/9.28 [2019-03-28 12:19:38,528 INFO L300 LassoAnalysis]: Preprocessing complete. 15.53/9.28 [2019-03-28 12:19:38,534 INFO L497 LassoAnalysis]: Using template 'affine'. 15.53/9.28 [2019-03-28 12:19:38,536 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.53/9.28 Termination analysis: LINEAR_WITH_GUESSES 15.53/9.28 Number of strict supporting invariants: 0 15.53/9.28 Number of non-strict supporting invariants: 1 15.53/9.28 Consider only non-deceasing supporting invariants: true 15.53/9.28 Simplify termination arguments: true 15.53/9.28 Simplify supporting invariants: trueOverapproximate stem: false 15.53/9.28 [2019-03-28 12:19:38,538 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.53/9.28 [2019-03-28 12:19:38,538 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.53/9.28 [2019-03-28 12:19:38,539 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.53/9.28 [2019-03-28 12:19:38,539 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.53/9.28 [2019-03-28 12:19:38,539 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.53/9.28 [2019-03-28 12:19:38,541 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.53/9.28 [2019-03-28 12:19:38,541 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.53/9.28 [2019-03-28 12:19:38,544 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.53/9.28 [2019-03-28 12:19:38,545 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.53/9.28 Termination analysis: LINEAR_WITH_GUESSES 15.53/9.28 Number of strict supporting invariants: 0 15.53/9.28 Number of non-strict supporting invariants: 1 15.53/9.28 Consider only non-deceasing supporting invariants: true 15.53/9.28 Simplify termination arguments: true 15.53/9.28 Simplify supporting invariants: trueOverapproximate stem: false 15.53/9.28 [2019-03-28 12:19:38,545 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.53/9.28 [2019-03-28 12:19:38,546 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.53/9.28 [2019-03-28 12:19:38,546 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.53/9.28 [2019-03-28 12:19:38,546 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.53/9.28 [2019-03-28 12:19:38,546 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.53/9.28 [2019-03-28 12:19:38,547 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.53/9.28 [2019-03-28 12:19:38,547 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.53/9.28 [2019-03-28 12:19:38,548 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.53/9.28 [2019-03-28 12:19:38,549 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.53/9.28 Termination analysis: LINEAR_WITH_GUESSES 15.53/9.28 Number of strict supporting invariants: 0 15.53/9.28 Number of non-strict supporting invariants: 1 15.53/9.28 Consider only non-deceasing supporting invariants: true 15.53/9.28 Simplify termination arguments: true 15.53/9.28 Simplify supporting invariants: trueOverapproximate stem: false 15.53/9.28 [2019-03-28 12:19:38,549 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.53/9.28 [2019-03-28 12:19:38,550 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.53/9.28 [2019-03-28 12:19:38,550 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.53/9.28 [2019-03-28 12:19:38,550 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.53/9.28 [2019-03-28 12:19:38,551 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.53/9.28 [2019-03-28 12:19:38,551 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.53/9.28 [2019-03-28 12:19:38,551 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.53/9.28 [2019-03-28 12:19:38,553 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.53/9.28 [2019-03-28 12:19:38,553 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.53/9.28 Termination analysis: LINEAR_WITH_GUESSES 15.53/9.28 Number of strict supporting invariants: 0 15.53/9.28 Number of non-strict supporting invariants: 1 15.53/9.28 Consider only non-deceasing supporting invariants: true 15.53/9.28 Simplify termination arguments: true 15.53/9.28 Simplify supporting invariants: trueOverapproximate stem: false 15.53/9.28 [2019-03-28 12:19:38,554 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.53/9.28 [2019-03-28 12:19:38,554 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.53/9.28 [2019-03-28 12:19:38,554 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.53/9.28 [2019-03-28 12:19:38,554 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.53/9.28 [2019-03-28 12:19:38,555 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.53/9.28 [2019-03-28 12:19:38,555 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.53/9.28 [2019-03-28 12:19:38,555 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.53/9.28 [2019-03-28 12:19:38,557 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.53/9.28 [2019-03-28 12:19:38,557 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.53/9.28 Termination analysis: LINEAR_WITH_GUESSES 15.53/9.28 Number of strict supporting invariants: 0 15.53/9.28 Number of non-strict supporting invariants: 1 15.53/9.28 Consider only non-deceasing supporting invariants: true 15.53/9.28 Simplify termination arguments: true 15.53/9.28 Simplify supporting invariants: trueOverapproximate stem: false 15.53/9.28 [2019-03-28 12:19:38,558 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.53/9.28 [2019-03-28 12:19:38,558 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.53/9.28 [2019-03-28 12:19:38,558 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.53/9.28 [2019-03-28 12:19:38,558 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.53/9.28 [2019-03-28 12:19:38,558 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.53/9.28 [2019-03-28 12:19:38,559 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.53/9.28 [2019-03-28 12:19:38,559 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.53/9.28 [2019-03-28 12:19:38,561 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.53/9.28 [2019-03-28 12:19:38,561 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.53/9.28 Termination analysis: LINEAR_WITH_GUESSES 15.53/9.28 Number of strict supporting invariants: 0 15.53/9.28 Number of non-strict supporting invariants: 1 15.53/9.28 Consider only non-deceasing supporting invariants: true 15.53/9.28 Simplify termination arguments: true 15.53/9.28 Simplify supporting invariants: trueOverapproximate stem: false 15.53/9.28 [2019-03-28 12:19:38,562 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.53/9.28 [2019-03-28 12:19:38,562 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.53/9.28 [2019-03-28 12:19:38,562 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.53/9.28 [2019-03-28 12:19:38,562 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.53/9.28 [2019-03-28 12:19:38,562 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.53/9.28 [2019-03-28 12:19:38,563 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.53/9.28 [2019-03-28 12:19:38,563 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.53/9.28 [2019-03-28 12:19:38,564 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.53/9.28 [2019-03-28 12:19:38,565 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.53/9.28 Termination analysis: LINEAR_WITH_GUESSES 15.53/9.28 Number of strict supporting invariants: 0 15.53/9.28 Number of non-strict supporting invariants: 1 15.53/9.28 Consider only non-deceasing supporting invariants: true 15.53/9.28 Simplify termination arguments: true 15.53/9.28 Simplify supporting invariants: trueOverapproximate stem: false 15.53/9.28 [2019-03-28 12:19:38,565 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.53/9.28 [2019-03-28 12:19:38,565 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.53/9.28 [2019-03-28 12:19:38,566 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.53/9.28 [2019-03-28 12:19:38,566 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.53/9.28 [2019-03-28 12:19:38,566 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.53/9.28 [2019-03-28 12:19:38,567 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.53/9.28 [2019-03-28 12:19:38,567 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.53/9.28 [2019-03-28 12:19:38,568 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.53/9.28 [2019-03-28 12:19:38,568 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.53/9.28 Termination analysis: LINEAR_WITH_GUESSES 15.53/9.28 Number of strict supporting invariants: 0 15.53/9.28 Number of non-strict supporting invariants: 1 15.53/9.28 Consider only non-deceasing supporting invariants: true 15.53/9.28 Simplify termination arguments: true 15.53/9.28 Simplify supporting invariants: trueOverapproximate stem: false 15.53/9.28 [2019-03-28 12:19:38,569 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.53/9.28 [2019-03-28 12:19:38,569 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.53/9.28 [2019-03-28 12:19:38,569 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.53/9.28 [2019-03-28 12:19:38,569 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.53/9.28 [2019-03-28 12:19:38,570 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.53/9.28 [2019-03-28 12:19:38,571 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.53/9.28 [2019-03-28 12:19:38,571 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.53/9.28 [2019-03-28 12:19:38,572 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.53/9.28 [2019-03-28 12:19:38,572 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.53/9.28 Termination analysis: LINEAR_WITH_GUESSES 15.53/9.28 Number of strict supporting invariants: 0 15.53/9.28 Number of non-strict supporting invariants: 1 15.53/9.28 Consider only non-deceasing supporting invariants: true 15.53/9.28 Simplify termination arguments: true 15.53/9.28 Simplify supporting invariants: trueOverapproximate stem: false 15.53/9.28 [2019-03-28 12:19:38,573 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.53/9.28 [2019-03-28 12:19:38,573 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.53/9.28 [2019-03-28 12:19:38,573 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.53/9.28 [2019-03-28 12:19:38,574 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.53/9.28 [2019-03-28 12:19:38,574 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.53/9.28 [2019-03-28 12:19:38,575 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.53/9.28 [2019-03-28 12:19:38,575 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.53/9.28 [2019-03-28 12:19:38,580 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.53/9.28 [2019-03-28 12:19:38,585 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.53/9.28 [2019-03-28 12:19:38,586 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 15.53/9.28 [2019-03-28 12:19:38,588 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.53/9.28 [2019-03-28 12:19:38,588 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.53/9.28 [2019-03-28 12:19:38,588 INFO L518 LassoAnalysis]: Proved termination. 15.53/9.28 [2019-03-28 12:19:38,589 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.53/9.28 Ranking function f(fibo1_#in~n) = 1*fibo1_#in~n 15.53/9.28 Supporting invariants [] 15.53/9.28 [2019-03-28 12:19:38,591 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.53/9.28 [2019-03-28 12:19:38,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.53/9.28 [2019-03-28 12:19:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.53/9.28 [2019-03-28 12:19:38,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core 15.53/9.28 [2019-03-28 12:19:38,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.53/9.28 [2019-03-28 12:19:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.53/9.28 [2019-03-28 12:19:38,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 11 conjunts are in the unsatisfiable core 15.53/9.28 [2019-03-28 12:19:38,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.53/9.28 [2019-03-28 12:19:38,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.53/9.28 [2019-03-28 12:19:38,777 INFO L98 LoopCannibalizer]: 5 predicates before loop cannibalization 5 predicates after loop cannibalization 15.53/9.28 [2019-03-28 12:19:38,780 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 15.53/9.28 [2019-03-28 12:19:38,781 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 18 states and 24 transitions. cyclomatic complexity: 7 Second operand 6 states. 15.53/9.28 [2019-03-28 12:19:39,013 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 18 states and 24 transitions. cyclomatic complexity: 7. Second operand 6 states. Result 80 states and 112 transitions. Complement of second has 28 states. 15.53/9.28 [2019-03-28 12:19:39,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states 15.53/9.28 [2019-03-28 12:19:39,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 15.53/9.28 [2019-03-28 12:19:39,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 44 transitions. 15.53/9.28 [2019-03-28 12:19:39,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 44 transitions. Stem has 2 letters. Loop has 8 letters. 15.53/9.28 [2019-03-28 12:19:39,021 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.53/9.28 [2019-03-28 12:19:39,021 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 44 transitions. Stem has 10 letters. Loop has 8 letters. 15.53/9.28 [2019-03-28 12:19:39,022 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.53/9.28 [2019-03-28 12:19:39,022 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 44 transitions. Stem has 2 letters. Loop has 16 letters. 15.53/9.28 [2019-03-28 12:19:39,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.53/9.28 [2019-03-28 12:19:39,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 112 transitions. 15.53/9.28 [2019-03-28 12:19:39,034 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 15.53/9.28 [2019-03-28 12:19:39,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 62 states and 85 transitions. 15.53/9.28 [2019-03-28 12:19:39,037 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 15.53/9.28 [2019-03-28 12:19:39,038 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 15.53/9.28 [2019-03-28 12:19:39,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 85 transitions. 15.53/9.28 [2019-03-28 12:19:39,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.53/9.28 [2019-03-28 12:19:39,039 INFO L706 BuchiCegarLoop]: Abstraction has 62 states and 85 transitions. 15.53/9.28 [2019-03-28 12:19:39,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 85 transitions. 15.53/9.28 [2019-03-28 12:19:39,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 53. 15.53/9.28 [2019-03-28 12:19:39,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. 15.53/9.28 [2019-03-28 12:19:39,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 71 transitions. 15.53/9.28 [2019-03-28 12:19:39,048 INFO L729 BuchiCegarLoop]: Abstraction has 53 states and 71 transitions. 15.53/9.28 [2019-03-28 12:19:39,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. 15.53/9.28 [2019-03-28 12:19:39,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 15.53/9.28 [2019-03-28 12:19:39,049 INFO L87 Difference]: Start difference. First operand 53 states and 71 transitions. Second operand 7 states. 15.53/9.28 [2019-03-28 12:19:39,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.53/9.28 [2019-03-28 12:19:39,106 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. 15.53/9.28 [2019-03-28 12:19:39,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 15.53/9.28 [2019-03-28 12:19:39,109 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 15 transitions. 15.53/9.28 [2019-03-28 12:19:39,111 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.53/9.28 [2019-03-28 12:19:39,111 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. 15.53/9.28 [2019-03-28 12:19:39,112 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.53/9.28 [2019-03-28 12:19:39,112 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.53/9.28 [2019-03-28 12:19:39,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.53/9.28 [2019-03-28 12:19:39,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.53/9.28 [2019-03-28 12:19:39,112 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.53/9.28 [2019-03-28 12:19:39,112 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.53/9.28 [2019-03-28 12:19:39,112 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.53/9.28 [2019-03-28 12:19:39,112 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.53/9.28 [2019-03-28 12:19:39,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.53/9.28 [2019-03-28 12:19:39,113 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.53/9.28 [2019-03-28 12:19:39,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.53/9.28 [2019-03-28 12:19:39,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:19:39 BasicIcfg 15.53/9.28 [2019-03-28 12:19:39,119 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.53/9.28 [2019-03-28 12:19:39,119 INFO L168 Benchmark]: Toolchain (without parser) took 2659.41 ms. Allocated memory was 649.6 MB in the beginning and 667.4 MB in the end (delta: 17.8 MB). Free memory was 558.5 MB in the beginning and 406.7 MB in the end (delta: 151.8 MB). Peak memory consumption was 169.6 MB. Max. memory is 50.3 GB. 15.53/9.28 [2019-03-28 12:19:39,121 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.53/9.28 [2019-03-28 12:19:39,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.27 ms. Allocated memory was 649.6 MB in the beginning and 667.4 MB in the end (delta: 17.8 MB). Free memory was 558.5 MB in the beginning and 635.0 MB in the end (delta: -76.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 15.53/9.28 [2019-03-28 12:19:39,122 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.31 ms. Allocated memory is still 667.4 MB. Free memory was 635.0 MB in the beginning and 633.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 15.53/9.28 [2019-03-28 12:19:39,123 INFO L168 Benchmark]: Boogie Preprocessor took 18.72 ms. Allocated memory is still 667.4 MB. Free memory was 633.6 MB in the beginning and 632.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 15.53/9.28 [2019-03-28 12:19:39,123 INFO L168 Benchmark]: RCFGBuilder took 240.37 ms. Allocated memory is still 667.4 MB. Free memory was 632.3 MB in the beginning and 614.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 50.3 GB. 15.53/9.28 [2019-03-28 12:19:39,124 INFO L168 Benchmark]: BlockEncodingV2 took 82.40 ms. Allocated memory is still 667.4 MB. Free memory was 614.9 MB in the beginning and 609.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.53/9.28 [2019-03-28 12:19:39,124 INFO L168 Benchmark]: TraceAbstraction took 180.73 ms. Allocated memory is still 667.4 MB. Free memory was 609.5 MB in the beginning and 597.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 50.3 GB. 15.53/9.28 [2019-03-28 12:19:39,125 INFO L168 Benchmark]: BuchiAutomizer took 1794.47 ms. Allocated memory is still 667.4 MB. Free memory was 597.4 MB in the beginning and 406.7 MB in the end (delta: 190.7 MB). Peak memory consumption was 190.7 MB. Max. memory is 50.3 GB. 15.53/9.28 [2019-03-28 12:19:39,129 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.53/9.28 --- Results --- 15.53/9.28 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.53/9.28 - StatisticsResult: Initial Icfg 15.53/9.28 25 locations, 32 edges 15.53/9.28 - StatisticsResult: Encoded RCFG 15.53/9.28 18 locations, 26 edges 15.53/9.28 * Results from de.uni_freiburg.informatik.ultimate.core: 15.53/9.28 - StatisticsResult: Toolchain Benchmarks 15.53/9.28 Benchmark results are: 15.53/9.28 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.53/9.28 * CACSL2BoogieTranslator took 299.27 ms. Allocated memory was 649.6 MB in the beginning and 667.4 MB in the end (delta: 17.8 MB). Free memory was 558.5 MB in the beginning and 635.0 MB in the end (delta: -76.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 50.3 GB. 15.53/9.28 * Boogie Procedure Inliner took 38.31 ms. Allocated memory is still 667.4 MB. Free memory was 635.0 MB in the beginning and 633.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 15.53/9.28 * Boogie Preprocessor took 18.72 ms. Allocated memory is still 667.4 MB. Free memory was 633.6 MB in the beginning and 632.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 50.3 GB. 15.53/9.28 * RCFGBuilder took 240.37 ms. Allocated memory is still 667.4 MB. Free memory was 632.3 MB in the beginning and 614.9 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 50.3 GB. 15.53/9.28 * BlockEncodingV2 took 82.40 ms. Allocated memory is still 667.4 MB. Free memory was 614.9 MB in the beginning and 609.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.53/9.28 * TraceAbstraction took 180.73 ms. Allocated memory is still 667.4 MB. Free memory was 609.5 MB in the beginning and 597.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 50.3 GB. 15.53/9.28 * BuchiAutomizer took 1794.47 ms. Allocated memory is still 667.4 MB. Free memory was 597.4 MB in the beginning and 406.7 MB in the end (delta: 190.7 MB). Peak memory consumption was 190.7 MB. Max. memory is 50.3 GB. 15.53/9.28 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.53/9.28 - AllSpecificationsHoldResult: All specifications hold 15.53/9.28 We were not able to verify any specifiation because the program does not contain any specification. 15.53/9.28 - StatisticsResult: Ultimate Automizer benchmark data 15.53/9.28 CFG has 3 procedures, 18 locations, 0 error locations. SAFE Result, 0.1s 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=18occurred 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, 7 LocationsWithAnnotation, 16 PreInvPairs, 16 NumberOfFragments, 7 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.53/9.28 - StatisticsResult: Constructed decomposition of program 15.53/9.28 Your program was decomposed into 4 terminating modules (3 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function \old(n) and consists of 8 locations. 3 modules have a trivial ranking function, the largest among these consists of 7 locations. 15.53/9.28 - StatisticsResult: Timing statistics 15.53/9.28 BüchiAutomizer plugin needed 1.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 18 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 76 SDtfs, 68 SDslu, 75 SDs, 0 SdLazy, 145 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s 15.53/9.28 - TerminationAnalysisResult: Termination proven 15.53/9.28 Buchi Automizer proved that your program is terminating 15.53/9.28 RESULT: Ultimate proved your program to be correct! 15.53/9.28 !SESSION 2019-03-28 12:19:31.794 ----------------------------------------------- 15.53/9.28 eclipse.buildId=unknown 15.53/9.28 java.version=1.8.0_181 15.53/9.28 java.vendor=Oracle Corporation 15.53/9.28 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.53/9.28 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 15.53/9.28 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 15.53/9.28 15.53/9.28 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:19:39.364 15.53/9.28 !MESSAGE The workspace will exit with unsaved changes in this session. 15.53/9.28 Received shutdown request... 15.53/9.28 Ultimate: 15.53/9.28 GTK+ Version Check 15.53/9.28 EOF