17.21/10.93 YES 17.21/10.93 17.21/10.93 Ultimate: Cannot open display: 17.21/10.93 This is Ultimate 0.1.24-8dc7c08-m 17.21/10.93 [2019-03-28 12:12:04,396 INFO L170 SettingsManager]: Resetting all preferences to default values... 17.21/10.93 [2019-03-28 12:12:04,399 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 17.21/10.93 [2019-03-28 12:12:04,410 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 17.21/10.93 [2019-03-28 12:12:04,410 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 17.21/10.93 [2019-03-28 12:12:04,411 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 17.21/10.93 [2019-03-28 12:12:04,412 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 17.21/10.93 [2019-03-28 12:12:04,414 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 17.21/10.93 [2019-03-28 12:12:04,415 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 17.21/10.93 [2019-03-28 12:12:04,416 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 17.21/10.93 [2019-03-28 12:12:04,417 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 17.21/10.93 [2019-03-28 12:12:04,417 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 17.21/10.93 [2019-03-28 12:12:04,418 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 17.21/10.93 [2019-03-28 12:12:04,419 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 17.21/10.93 [2019-03-28 12:12:04,421 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 17.21/10.93 [2019-03-28 12:12:04,422 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 17.21/10.93 [2019-03-28 12:12:04,422 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 17.21/10.93 [2019-03-28 12:12:04,424 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 17.21/10.93 [2019-03-28 12:12:04,426 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 17.21/10.93 [2019-03-28 12:12:04,427 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 17.21/10.93 [2019-03-28 12:12:04,428 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 17.21/10.93 [2019-03-28 12:12:04,430 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 17.21/10.93 [2019-03-28 12:12:04,432 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 17.21/10.93 [2019-03-28 12:12:04,432 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 17.21/10.93 [2019-03-28 12:12:04,432 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 17.21/10.93 [2019-03-28 12:12:04,433 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 17.21/10.93 [2019-03-28 12:12:04,433 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 17.21/10.93 [2019-03-28 12:12:04,434 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 17.21/10.93 [2019-03-28 12:12:04,434 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 17.21/10.93 [2019-03-28 12:12:04,435 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 17.21/10.93 [2019-03-28 12:12:04,436 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 17.21/10.93 [2019-03-28 12:12:04,437 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 17.21/10.93 [2019-03-28 12:12:04,437 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 17.21/10.93 [2019-03-28 12:12:04,438 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 17.21/10.93 [2019-03-28 12:12:04,438 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 17.21/10.93 [2019-03-28 12:12:04,438 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 17.21/10.93 [2019-03-28 12:12:04,439 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 17.21/10.93 [2019-03-28 12:12:04,440 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 17.21/10.93 [2019-03-28 12:12:04,440 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 17.21/10.93 [2019-03-28 12:12:04,441 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 17.21/10.93 [2019-03-28 12:12:04,455 INFO L110 SettingsManager]: Loading preferences was successful 17.21/10.93 [2019-03-28 12:12:04,455 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 17.21/10.93 [2019-03-28 12:12:04,456 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 17.21/10.93 [2019-03-28 12:12:04,456 INFO L133 SettingsManager]: * Rewrite not-equals=true 17.21/10.93 [2019-03-28 12:12:04,456 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 17.21/10.93 [2019-03-28 12:12:04,457 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 17.21/10.93 [2019-03-28 12:12:04,457 INFO L133 SettingsManager]: * Use SBE=true 17.21/10.93 [2019-03-28 12:12:04,457 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 17.21/10.93 [2019-03-28 12:12:04,457 INFO L133 SettingsManager]: * Use old map elimination=false 17.21/10.93 [2019-03-28 12:12:04,457 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 17.21/10.93 [2019-03-28 12:12:04,457 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 17.21/10.93 [2019-03-28 12:12:04,458 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 17.21/10.93 [2019-03-28 12:12:04,458 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 17.21/10.93 [2019-03-28 12:12:04,458 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 17.21/10.93 [2019-03-28 12:12:04,458 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.21/10.93 [2019-03-28 12:12:04,458 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 17.21/10.93 [2019-03-28 12:12:04,458 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 17.21/10.93 [2019-03-28 12:12:04,459 INFO L133 SettingsManager]: * Check division by zero=IGNORE 17.21/10.93 [2019-03-28 12:12:04,459 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 17.21/10.93 [2019-03-28 12:12:04,459 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 17.21/10.93 [2019-03-28 12:12:04,459 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 17.21/10.93 [2019-03-28 12:12:04,459 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 17.21/10.93 [2019-03-28 12:12:04,459 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 17.21/10.93 [2019-03-28 12:12:04,460 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 17.21/10.93 [2019-03-28 12:12:04,460 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.21/10.93 [2019-03-28 12:12:04,460 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 17.21/10.93 [2019-03-28 12:12:04,460 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 17.21/10.93 [2019-03-28 12:12:04,460 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 17.21/10.93 [2019-03-28 12:12:04,461 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 17.21/10.93 [2019-03-28 12:12:04,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 17.21/10.93 [2019-03-28 12:12:04,501 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 17.21/10.93 [2019-03-28 12:12:04,504 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 17.21/10.93 [2019-03-28 12:12:04,506 INFO L271 PluginConnector]: Initializing CDTParser... 17.21/10.93 [2019-03-28 12:12:04,506 INFO L276 PluginConnector]: CDTParser initialized 17.21/10.93 [2019-03-28 12:12:04,507 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 17.21/10.93 [2019-03-28 12:12:04,574 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/f2c337a660fb441b9aaf6d74c72c58ee/FLAGe96e34a7d 17.21/10.93 [2019-03-28 12:12:06,265 INFO L307 CDTParser]: Found 1 translation units. 17.21/10.93 [2019-03-28 12:12:06,266 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 17.21/10.93 [2019-03-28 12:12:06,273 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/f2c337a660fb441b9aaf6d74c72c58ee/FLAGe96e34a7d 17.21/10.93 [2019-03-28 12:12:06,679 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/f2c337a660fb441b9aaf6d74c72c58ee 17.21/10.93 [2019-03-28 12:12:06,691 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 17.21/10.93 [2019-03-28 12:12:06,692 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 17.21/10.93 [2019-03-28 12:12:06,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 17.21/10.93 [2019-03-28 12:12:06,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 17.21/10.93 [2019-03-28 12:12:06,698 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 17.21/10.93 [2019-03-28 12:12:06,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:12:06" (1/1) ... 17.21/10.93 [2019-03-28 12:12:06,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46997fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:06, skipping insertion in model container 17.21/10.93 [2019-03-28 12:12:06,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:12:06" (1/1) ... 17.21/10.93 [2019-03-28 12:12:06,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 17.21/10.93 [2019-03-28 12:12:06,729 INFO L176 MainTranslator]: Built tables and reachable declarations 17.21/10.93 [2019-03-28 12:12:06,893 INFO L206 PostProcessor]: Analyzing one entry point: main 17.21/10.93 [2019-03-28 12:12:06,898 INFO L191 MainTranslator]: Completed pre-run 17.21/10.93 [2019-03-28 12:12:06,915 INFO L206 PostProcessor]: Analyzing one entry point: main 17.21/10.93 [2019-03-28 12:12:06,931 INFO L195 MainTranslator]: Completed translation 17.21/10.93 [2019-03-28 12:12:06,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:06 WrapperNode 17.21/10.93 [2019-03-28 12:12:06,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 17.21/10.93 [2019-03-28 12:12:06,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 17.21/10.93 [2019-03-28 12:12:06,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 17.21/10.93 [2019-03-28 12:12:06,933 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 17.21/10.93 [2019-03-28 12:12:06,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:06" (1/1) ... 17.21/10.93 [2019-03-28 12:12:07,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:06" (1/1) ... 17.21/10.93 [2019-03-28 12:12:07,027 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 17.21/10.93 [2019-03-28 12:12:07,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 17.21/10.93 [2019-03-28 12:12:07,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 17.21/10.93 [2019-03-28 12:12:07,028 INFO L276 PluginConnector]: Boogie Preprocessor initialized 17.21/10.93 [2019-03-28 12:12:07,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:06" (1/1) ... 17.21/10.93 [2019-03-28 12:12:07,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:06" (1/1) ... 17.21/10.93 [2019-03-28 12:12:07,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:06" (1/1) ... 17.21/10.93 [2019-03-28 12:12:07,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:06" (1/1) ... 17.21/10.93 [2019-03-28 12:12:07,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:06" (1/1) ... 17.21/10.93 [2019-03-28 12:12:07,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:06" (1/1) ... 17.21/10.93 [2019-03-28 12:12:07,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:06" (1/1) ... 17.21/10.93 [2019-03-28 12:12:07,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 17.21/10.93 [2019-03-28 12:12:07,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 17.21/10.93 [2019-03-28 12:12:07,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... 17.21/10.93 [2019-03-28 12:12:07,046 INFO L276 PluginConnector]: RCFGBuilder initialized 17.21/10.93 [2019-03-28 12:12:07,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:06" (1/1) ... 17.21/10.93 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.21/10.93 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 17.21/10.93 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.21/10.93 [2019-03-28 12:12:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure loop 17.21/10.93 [2019-03-28 12:12:07,132 INFO L138 BoogieDeclarations]: Found implementation of procedure loop 17.21/10.93 [2019-03-28 12:12:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 17.21/10.93 [2019-03-28 12:12:07,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 17.21/10.93 [2019-03-28 12:12:07,273 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 17.21/10.93 [2019-03-28 12:12:07,273 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. 17.21/10.93 [2019-03-28 12:12:07,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:12:07 BoogieIcfgContainer 17.21/10.93 [2019-03-28 12:12:07,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 17.21/10.93 [2019-03-28 12:12:07,275 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 17.21/10.93 [2019-03-28 12:12:07,275 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 17.21/10.93 [2019-03-28 12:12:07,277 INFO L276 PluginConnector]: BlockEncodingV2 initialized 17.21/10.93 [2019-03-28 12:12:07,278 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:12:07" (1/1) ... 17.21/10.93 [2019-03-28 12:12:07,295 INFO L313 BlockEncoder]: Initial Icfg 15 locations, 18 edges 17.21/10.93 [2019-03-28 12:12:07,297 INFO L258 BlockEncoder]: Using Remove infeasible edges 17.21/10.93 [2019-03-28 12:12:07,298 INFO L263 BlockEncoder]: Using Maximize final states 17.21/10.93 [2019-03-28 12:12:07,299 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 17.21/10.93 [2019-03-28 12:12:07,299 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 17.21/10.93 [2019-03-28 12:12:07,301 INFO L296 BlockEncoder]: Using Remove sink states 17.21/10.93 [2019-03-28 12:12:07,302 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 17.21/10.93 [2019-03-28 12:12:07,302 INFO L179 BlockEncoder]: Using Rewrite not-equals 17.21/10.93 [2019-03-28 12:12:07,318 INFO L185 BlockEncoder]: Using Use SBE 17.21/10.93 [2019-03-28 12:12:07,327 INFO L200 BlockEncoder]: SBE split 0 edges 17.21/10.93 [2019-03-28 12:12:07,332 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 17.21/10.93 [2019-03-28 12:12:07,333 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.21/10.93 [2019-03-28 12:12:07,342 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 17.21/10.93 [2019-03-28 12:12:07,345 INFO L70 RemoveSinkStates]: Removed 2 edges and 2 locations by removing sink states 17.21/10.93 [2019-03-28 12:12:07,346 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 17.21/10.93 [2019-03-28 12:12:07,347 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.21/10.93 [2019-03-28 12:12:07,347 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 17.21/10.93 [2019-03-28 12:12:07,347 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 17.21/10.93 [2019-03-28 12:12:07,348 INFO L313 BlockEncoder]: Encoded RCFG 11 locations, 14 edges 17.21/10.93 [2019-03-28 12:12:07,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:12:07 BasicIcfg 17.21/10.93 [2019-03-28 12:12:07,348 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 17.21/10.93 [2019-03-28 12:12:07,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 17.21/10.93 [2019-03-28 12:12:07,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... 17.21/10.93 [2019-03-28 12:12:07,352 INFO L276 PluginConnector]: TraceAbstraction initialized 17.21/10.93 [2019-03-28 12:12:07,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:12:06" (1/4) ... 17.21/10.93 [2019-03-28 12:12:07,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9dd8034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:12:07, skipping insertion in model container 17.21/10.93 [2019-03-28 12:12:07,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:06" (2/4) ... 17.21/10.93 [2019-03-28 12:12:07,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9dd8034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:12:07, skipping insertion in model container 17.21/10.93 [2019-03-28 12:12:07,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:12:07" (3/4) ... 17.21/10.93 [2019-03-28 12:12:07,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9dd8034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:12:07, skipping insertion in model container 17.21/10.93 [2019-03-28 12:12:07,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:12:07" (4/4) ... 17.21/10.93 [2019-03-28 12:12:07,358 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.21/10.93 [2019-03-28 12:12:07,367 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 17.21/10.93 [2019-03-28 12:12:07,375 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 17.21/10.93 [2019-03-28 12:12:07,393 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 17.21/10.93 [2019-03-28 12:12:07,424 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.21/10.93 [2019-03-28 12:12:07,425 INFO L382 AbstractCegarLoop]: Interprodecural is true 17.21/10.93 [2019-03-28 12:12:07,425 INFO L383 AbstractCegarLoop]: Hoare is true 17.21/10.93 [2019-03-28 12:12:07,426 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 17.21/10.93 [2019-03-28 12:12:07,426 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 17.21/10.93 [2019-03-28 12:12:07,426 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.21/10.93 [2019-03-28 12:12:07,426 INFO L387 AbstractCegarLoop]: Difference is false 17.21/10.93 [2019-03-28 12:12:07,426 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 17.21/10.93 [2019-03-28 12:12:07,426 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 17.21/10.93 [2019-03-28 12:12:07,444 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. 17.21/10.93 [2019-03-28 12:12:07,450 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 17.21/10.93 [2019-03-28 12:12:07,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. 17.21/10.93 [2019-03-28 12:12:07,513 INFO L451 ceAbstractionStarter]: At program point loopENTRY(lines 37 43) the Hoare annotation is: true 17.21/10.93 [2019-03-28 12:12:07,513 INFO L451 ceAbstractionStarter]: At program point L41(line 41) the Hoare annotation is: true 17.21/10.93 [2019-03-28 12:12:07,513 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. 17.21/10.93 [2019-03-28 12:12:07,513 INFO L448 ceAbstractionStarter]: For program point L38-1(lines 37 43) no Hoare annotation was computed. 17.21/10.93 [2019-03-28 12:12:07,514 INFO L448 ceAbstractionStarter]: For program point loopEXIT(lines 37 43) no Hoare annotation was computed. 17.21/10.93 [2019-03-28 12:12:07,514 INFO L451 ceAbstractionStarter]: At program point L34-1(lines 29 35) the Hoare annotation is: true 17.21/10.93 [2019-03-28 12:12:07,514 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 34) no Hoare annotation was computed. 17.21/10.93 [2019-03-28 12:12:07,514 INFO L448 ceAbstractionStarter]: For program point L31-1(lines 31 34) no Hoare annotation was computed. 17.21/10.93 [2019-03-28 12:12:07,514 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 17.21/10.93 [2019-03-28 12:12:07,514 INFO L451 ceAbstractionStarter]: At program point L25(line 25) the Hoare annotation is: true 17.21/10.93 [2019-03-28 12:12:07,515 INFO L451 ceAbstractionStarter]: At program point L34(lines 29 35) the Hoare annotation is: true 17.21/10.93 [2019-03-28 12:12:07,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:12:07 BasicIcfg 17.21/10.93 [2019-03-28 12:12:07,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 17.21/10.93 [2019-03-28 12:12:07,524 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 17.21/10.93 [2019-03-28 12:12:07,524 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 17.21/10.93 [2019-03-28 12:12:07,527 INFO L276 PluginConnector]: BuchiAutomizer initialized 17.21/10.93 [2019-03-28 12:12:07,528 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.21/10.93 [2019-03-28 12:12:07,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:12:06" (1/5) ... 17.21/10.93 [2019-03-28 12:12:07,529 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55027d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:12:07, skipping insertion in model container 17.21/10.93 [2019-03-28 12:12:07,529 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.21/10.93 [2019-03-28 12:12:07,529 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:12:06" (2/5) ... 17.21/10.93 [2019-03-28 12:12:07,530 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55027d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:12:07, skipping insertion in model container 17.21/10.93 [2019-03-28 12:12:07,530 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.21/10.93 [2019-03-28 12:12:07,530 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:12:07" (3/5) ... 17.21/10.93 [2019-03-28 12:12:07,531 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55027d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:12:07, skipping insertion in model container 17.21/10.93 [2019-03-28 12:12:07,531 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.21/10.93 [2019-03-28 12:12:07,531 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:12:07" (4/5) ... 17.21/10.93 [2019-03-28 12:12:07,531 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55027d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:12:07, skipping insertion in model container 17.21/10.93 [2019-03-28 12:12:07,531 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.21/10.93 [2019-03-28 12:12:07,531 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:12:07" (5/5) ... 17.21/10.93 [2019-03-28 12:12:07,533 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.21/10.93 [2019-03-28 12:12:07,564 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.21/10.93 [2019-03-28 12:12:07,564 INFO L374 BuchiCegarLoop]: Interprodecural is true 17.21/10.93 [2019-03-28 12:12:07,564 INFO L375 BuchiCegarLoop]: Hoare is true 17.21/10.93 [2019-03-28 12:12:07,564 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 17.21/10.93 [2019-03-28 12:12:07,564 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 17.21/10.93 [2019-03-28 12:12:07,565 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.21/10.93 [2019-03-28 12:12:07,565 INFO L379 BuchiCegarLoop]: Difference is false 17.21/10.93 [2019-03-28 12:12:07,565 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 17.21/10.93 [2019-03-28 12:12:07,565 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 17.21/10.93 [2019-03-28 12:12:07,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. 17.21/10.93 [2019-03-28 12:12:07,588 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.21/10.93 [2019-03-28 12:12:07,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.21/10.93 [2019-03-28 12:12:07,588 INFO L119 BuchiIsEmpty]: Starting construction of run 17.21/10.93 [2019-03-28 12:12:07,596 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] 17.21/10.93 [2019-03-28 12:12:07,596 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 17.21/10.93 [2019-03-28 12:12:07,596 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 17.21/10.93 [2019-03-28 12:12:07,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. 17.21/10.93 [2019-03-28 12:12:07,598 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.21/10.93 [2019-03-28 12:12:07,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.21/10.93 [2019-03-28 12:12:07,598 INFO L119 BuchiIsEmpty]: Starting construction of run 17.21/10.93 [2019-03-28 12:12:07,598 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] 17.21/10.93 [2019-03-28 12:12:07,599 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 17.21/10.93 [2019-03-28 12:12:07,604 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue [41] ULTIMATE.startENTRY-->L31: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|) (= v_ULTIMATE.start_main_~z~0_1 |v_ULTIMATE.start_main_#t~nondet2_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_~z~0=v_ULTIMATE.start_main_~z~0_1, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_6|, ULTIMATE.start_random_#t~nondet5=|v_ULTIMATE.start_random_#t~nondet5_3|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_5, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_3|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_3|} AuxVars[|v_ULTIMATE.start_main_#t~nondet2_4|, |v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_random_#t~nondet5, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_random_~x~1, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~z~0, ULTIMATE.start_main_~x~0, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_random_#res, ULTIMATE.start_main_#t~ret4] 3#L31true [38] L31-->L34: Formula: (and (= |v_ULTIMATE.start_random_#res_7| (- v_ULTIMATE.start_random_~x~1_7)) (< v_ULTIMATE.start_random_~x~1_7 0)) InVars {ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_7} OutVars{ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_7, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_7|} AuxVars[] AssignedVars[ULTIMATE.start_random_#res] 11#L34true [46] L34-->L31-1: Formula: (= |v_ULTIMATE.start_main_#t~ret3_1| |v_ULTIMATE.start_random_#res_2|) InVars {ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_2|} OutVars{ULTIMATE.start_random_#t~nondet5=|v_ULTIMATE.start_random_#t~nondet5_1|, ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_1|, ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_1, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_1|} AuxVars[] AssignedVars[ULTIMATE.start_random_#t~nondet5, ULTIMATE.start_random_~x~1, ULTIMATE.start_main_#t~ret3, ULTIMATE.start_random_#res] 12#L31-1true [53] L31-1-->L34-1: Formula: (and (>= v_ULTIMATE.start_random_~x~1_4 0) (= |v_ULTIMATE.start_random_#res_4| v_ULTIMATE.start_random_~x~1_4)) InVars {ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_4} OutVars{ULTIMATE.start_random_~x~1=v_ULTIMATE.start_random_~x~1_4, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_4|} AuxVars[] AssignedVars[ULTIMATE.start_random_#res] 8#L34-1true [43] L34-1-->L25: Formula: (= |v_ULTIMATE.start_main_#t~ret4_1| |v_ULTIMATE.start_random_#res_5|) InVars {ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_5|} OutVars{ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_1|, ULTIMATE.start_random_#res=|v_ULTIMATE.start_random_#res_5|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ret4] 13#L25true [49] L25-->loopENTRY: Formula: (and (= |v_loop_#in~aInParam_2| |v_ULTIMATE.start_main_#t~ret3_5|) (= |v_loop_#in~bInParam_2| |v_ULTIMATE.start_main_#t~ret4_5|)) InVars {ULTIMATE.start_main_#t~ret3=|v_ULTIMATE.start_main_#t~ret3_5|, ULTIMATE.start_main_#t~ret4=|v_ULTIMATE.start_main_#t~ret4_5|} OutVars{loop_#in~b=|v_loop_#in~bInParam_2|, loop_#in~a=|v_loop_#in~aInParam_2|} AuxVars[] AssignedVars[loop_#in~b, loop_#in~a]< 5#loopENTRYtrue 17.21/10.93 [2019-03-28 12:12:07,605 INFO L796 eck$LassoCheckResult]: Loop: 5#loopENTRYtrue [35] loopENTRY-->L38: Formula: (and (= v_loop_~b_1 |v_loop_#in~b_1|) (= v_loop_~a_1 |v_loop_#in~a_1|)) InVars {loop_#in~b=|v_loop_#in~b_1|, loop_#in~a=|v_loop_#in~a_1|} OutVars{loop_#in~b=|v_loop_#in~b_1|, loop_#in~a=|v_loop_#in~a_1|, loop_~b=v_loop_~b_1, loop_~a=v_loop_~a_1} AuxVars[] AssignedVars[loop_~b, loop_~a] 10#L38true [44] L38-->L41: Formula: (and (= v_loop_~a_2 (+ v_loop_~b_3 v_loop_~a_3)) (= v_loop_~b_2 (+ v_loop_~b_3 (- 1))) (< 0 v_loop_~a_3)) InVars {loop_~b=v_loop_~b_3, loop_~a=v_loop_~a_3} OutVars{loop_~b=v_loop_~b_2, loop_~a=v_loop_~a_2} AuxVars[] AssignedVars[loop_~b, loop_~a] 4#L41true [34] L41-->loopENTRY: Formula: (and (= |v_loop_#in~bInParam_1| v_loop_~b_5) (= |v_loop_#in~aInParam_1| v_loop_~a_6)) InVars {loop_~b=v_loop_~b_5, loop_~a=v_loop_~a_6} OutVars{loop_#in~b=|v_loop_#in~bInParam_1|, loop_#in~a=|v_loop_#in~aInParam_1|} AuxVars[] AssignedVars[loop_#in~b, loop_#in~a]< 5#loopENTRYtrue 17.21/10.93 [2019-03-28 12:12:07,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.21/10.93 [2019-03-28 12:12:07,611 INFO L82 PathProgramCache]: Analyzing trace with hash 2097815371, now seen corresponding path program 1 times 17.21/10.93 [2019-03-28 12:12:07,613 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.21/10.93 [2019-03-28 12:12:07,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.21/10.93 [2019-03-28 12:12:07,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.21/10.93 [2019-03-28 12:12:07,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.21/10.93 [2019-03-28 12:12:07,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.21/10.93 [2019-03-28 12:12:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.21/10.93 [2019-03-28 12:12:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.21/10.93 [2019-03-28 12:12:07,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.21/10.93 [2019-03-28 12:12:07,703 INFO L82 PathProgramCache]: Analyzing trace with hash 64824, now seen corresponding path program 1 times 17.21/10.93 [2019-03-28 12:12:07,703 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.21/10.93 [2019-03-28 12:12:07,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.21/10.93 [2019-03-28 12:12:07,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.21/10.93 [2019-03-28 12:12:07,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.21/10.93 [2019-03-28 12:12:07,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.21/10.93 [2019-03-28 12:12:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.21/10.93 [2019-03-28 12:12:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.21/10.93 [2019-03-28 12:12:07,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.21/10.93 [2019-03-28 12:12:07,719 INFO L82 PathProgramCache]: Analyzing trace with hash -51371602, now seen corresponding path program 1 times 17.21/10.93 [2019-03-28 12:12:07,719 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.21/10.93 [2019-03-28 12:12:07,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.21/10.93 [2019-03-28 12:12:07,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.21/10.93 [2019-03-28 12:12:07,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.21/10.93 [2019-03-28 12:12:07,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.21/10.93 [2019-03-28 12:12:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.21/10.93 [2019-03-28 12:12:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.21/10.93 [2019-03-28 12:12:07,838 INFO L216 LassoAnalysis]: Preferences: 17.21/10.93 [2019-03-28 12:12:07,839 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.21/10.93 [2019-03-28 12:12:07,839 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.21/10.93 [2019-03-28 12:12:07,840 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.21/10.93 [2019-03-28 12:12:07,840 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.21/10.93 [2019-03-28 12:12:07,840 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.21/10.93 [2019-03-28 12:12:07,840 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.21/10.93 [2019-03-28 12:12:07,840 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.21/10.93 [2019-03-28 12:12:07,841 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.21/10.93 [2019-03-28 12:12:07,841 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.21/10.93 [2019-03-28 12:12:07,841 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.21/10.93 [2019-03-28 12:12:07,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.21/10.93 [2019-03-28 12:12:07,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.21/10.93 [2019-03-28 12:12:07,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.21/10.93 [2019-03-28 12:12:07,936 INFO L300 LassoAnalysis]: Preprocessing complete. 17.21/10.93 [2019-03-28 12:12:07,937 INFO L412 LassoAnalysis]: Checking for nontermination... 17.21/10.93 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.21/10.93 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.21/10.93 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.21/10.94 [2019-03-28 12:12:07,946 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.21/10.94 [2019-03-28 12:12:07,946 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.21/10.94 [2019-03-28 12:12:07,955 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.21/10.94 [2019-03-28 12:12:07,956 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {loop_~b=0} Honda state: {loop_~b=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.21/10.94 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.21/10.94 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.21/10.94 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.21/10.94 [2019-03-28 12:12:07,986 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.21/10.94 [2019-03-28 12:12:07,986 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.21/10.94 [2019-03-28 12:12:07,990 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.21/10.94 [2019-03-28 12:12:07,990 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {loop_~a=0} Honda state: {loop_~a=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.21/10.94 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.21/10.94 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.21/10.94 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.21/10.94 [2019-03-28 12:12:08,017 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.21/10.94 [2019-03-28 12:12:08,018 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.21/10.94 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 17.21/10.94 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.21/10.94 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.21/10.94 [2019-03-28 12:12:08,051 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.21/10.94 [2019-03-28 12:12:08,051 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.21/10.94 [2019-03-28 12:12:09,854 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.21/10.94 [2019-03-28 12:12:09,856 INFO L216 LassoAnalysis]: Preferences: 17.21/10.94 [2019-03-28 12:12:09,870 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.21/10.94 [2019-03-28 12:12:09,870 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.21/10.94 [2019-03-28 12:12:09,870 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.21/10.94 [2019-03-28 12:12:09,870 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.21/10.94 [2019-03-28 12:12:09,870 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.21/10.94 [2019-03-28 12:12:09,871 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.21/10.94 [2019-03-28 12:12:09,871 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.21/10.94 [2019-03-28 12:12:09,871 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.21/10.94 [2019-03-28 12:12:09,871 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.21/10.94 [2019-03-28 12:12:09,871 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.21/10.94 [2019-03-28 12:12:09,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.21/10.94 [2019-03-28 12:12:09,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.21/10.94 [2019-03-28 12:12:09,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.21/10.94 [2019-03-28 12:12:09,936 INFO L300 LassoAnalysis]: Preprocessing complete. 17.21/10.94 [2019-03-28 12:12:09,942 INFO L497 LassoAnalysis]: Using template 'affine'. 17.21/10.94 [2019-03-28 12:12:09,944 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.21/10.94 Termination analysis: LINEAR_WITH_GUESSES 17.21/10.94 Number of strict supporting invariants: 0 17.21/10.94 Number of non-strict supporting invariants: 1 17.21/10.94 Consider only non-deceasing supporting invariants: true 17.21/10.94 Simplify termination arguments: true 17.21/10.94 Simplify supporting invariants: trueOverapproximate stem: false 17.21/10.94 [2019-03-28 12:12:09,945 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.21/10.94 [2019-03-28 12:12:09,945 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.21/10.94 [2019-03-28 12:12:09,946 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.21/10.94 [2019-03-28 12:12:09,946 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.21/10.94 [2019-03-28 12:12:09,946 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.21/10.94 [2019-03-28 12:12:09,948 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.21/10.94 [2019-03-28 12:12:09,949 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.21/10.94 [2019-03-28 12:12:09,953 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.21/10.94 [2019-03-28 12:12:09,953 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.21/10.94 Termination analysis: LINEAR_WITH_GUESSES 17.21/10.94 Number of strict supporting invariants: 0 17.21/10.94 Number of non-strict supporting invariants: 1 17.21/10.94 Consider only non-deceasing supporting invariants: true 17.21/10.94 Simplify termination arguments: true 17.21/10.94 Simplify supporting invariants: trueOverapproximate stem: false 17.21/10.94 [2019-03-28 12:12:09,953 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.21/10.94 [2019-03-28 12:12:09,954 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.21/10.94 [2019-03-28 12:12:09,954 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.21/10.94 [2019-03-28 12:12:09,954 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.21/10.94 [2019-03-28 12:12:09,954 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.21/10.94 [2019-03-28 12:12:09,955 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.21/10.94 [2019-03-28 12:12:09,955 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.21/10.94 [2019-03-28 12:12:09,956 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.21/10.94 [2019-03-28 12:12:09,957 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.21/10.94 Termination analysis: LINEAR_WITH_GUESSES 17.21/10.94 Number of strict supporting invariants: 0 17.21/10.94 Number of non-strict supporting invariants: 1 17.21/10.94 Consider only non-deceasing supporting invariants: true 17.21/10.94 Simplify termination arguments: true 17.21/10.94 Simplify supporting invariants: trueOverapproximate stem: false 17.21/10.94 [2019-03-28 12:12:09,957 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.21/10.94 [2019-03-28 12:12:09,957 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.21/10.94 [2019-03-28 12:12:09,957 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.21/10.94 [2019-03-28 12:12:09,958 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.21/10.94 [2019-03-28 12:12:09,958 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.21/10.94 [2019-03-28 12:12:09,959 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.21/10.94 [2019-03-28 12:12:09,959 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.21/10.94 [2019-03-28 12:12:09,967 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.21/10.94 [2019-03-28 12:12:09,967 INFO L497 LassoAnalysis]: Using template '2-nested'. 17.21/10.94 [2019-03-28 12:12:09,968 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.21/10.94 Termination analysis: LINEAR_WITH_GUESSES 17.21/10.94 Number of strict supporting invariants: 0 17.21/10.94 Number of non-strict supporting invariants: 1 17.21/10.94 Consider only non-deceasing supporting invariants: true 17.21/10.94 Simplify termination arguments: true 17.21/10.94 Simplify supporting invariants: trueOverapproximate stem: false 17.21/10.94 [2019-03-28 12:12:09,968 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.21/10.94 [2019-03-28 12:12:09,969 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.21/10.94 [2019-03-28 12:12:09,969 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.21/10.94 [2019-03-28 12:12:09,969 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.21/10.94 [2019-03-28 12:12:09,969 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 17.21/10.94 [2019-03-28 12:12:09,970 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 17.21/10.94 [2019-03-28 12:12:09,970 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.21/10.94 [2019-03-28 12:12:09,971 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.21/10.94 [2019-03-28 12:12:09,972 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.21/10.94 Termination analysis: LINEAR_WITH_GUESSES 17.21/10.94 Number of strict supporting invariants: 0 17.21/10.94 Number of non-strict supporting invariants: 1 17.21/10.94 Consider only non-deceasing supporting invariants: true 17.21/10.94 Simplify termination arguments: true 17.21/10.94 Simplify supporting invariants: trueOverapproximate stem: false 17.21/10.94 [2019-03-28 12:12:09,972 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.21/10.94 [2019-03-28 12:12:09,972 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.21/10.94 [2019-03-28 12:12:09,973 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.21/10.94 [2019-03-28 12:12:09,973 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.21/10.94 [2019-03-28 12:12:09,973 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 17.21/10.94 [2019-03-28 12:12:09,974 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 17.21/10.94 [2019-03-28 12:12:09,974 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.21/10.94 [2019-03-28 12:12:09,975 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.21/10.94 [2019-03-28 12:12:09,975 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.21/10.94 Termination analysis: LINEAR_WITH_GUESSES 17.21/10.94 Number of strict supporting invariants: 0 17.21/10.94 Number of non-strict supporting invariants: 1 17.21/10.94 Consider only non-deceasing supporting invariants: true 17.21/10.94 Simplify termination arguments: true 17.21/10.94 Simplify supporting invariants: trueOverapproximate stem: false 17.21/10.94 [2019-03-28 12:12:09,976 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.21/10.94 [2019-03-28 12:12:09,976 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.21/10.94 [2019-03-28 12:12:09,976 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.21/10.94 [2019-03-28 12:12:09,977 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.21/10.94 [2019-03-28 12:12:09,977 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. 17.21/10.94 [2019-03-28 12:12:09,978 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. 17.21/10.94 [2019-03-28 12:12:09,978 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.21/10.94 [2019-03-28 12:12:09,988 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.21/10.94 [2019-03-28 12:12:10,003 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 17.21/10.94 [2019-03-28 12:12:10,003 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. 17.21/10.94 [2019-03-28 12:12:10,005 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.21/10.94 [2019-03-28 12:12:10,005 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.21/10.94 [2019-03-28 12:12:10,006 INFO L518 LassoAnalysis]: Proved termination. 17.21/10.94 [2019-03-28 12:12:10,006 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.21/10.94 Ranking function 2-nested ranking function: 17.21/10.94 f0 = 2*loop_#in~b + 1 17.21/10.94 f1 = 2*loop_#in~a 17.21/10.94 Supporting invariants [] 17.21/10.94 [2019-03-28 12:12:10,008 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.21/10.94 [2019-03-28 12:12:10,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.21/10.94 [2019-03-28 12:12:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.21/10.94 [2019-03-28 12:12:10,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core 17.21/10.94 [2019-03-28 12:12:10,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.21/10.94 [2019-03-28 12:12:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.21/10.94 [2019-03-28 12:12:10,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 14 conjunts are in the unsatisfiable core 17.21/10.94 [2019-03-28 12:12:10,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.21/10.94 [2019-03-28 12:12:10,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.21/10.94 [2019-03-28 12:12:10,536 INFO L98 LoopCannibalizer]: 11 predicates before loop cannibalization 11 predicates after loop cannibalization 17.21/10.94 [2019-03-28 12:12:10,541 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 11 loop predicates 17.21/10.94 [2019-03-28 12:12:10,543 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 11 states. Second operand 4 states. 17.21/10.94 [2019-03-28 12:12:10,762 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 17.21/10.94 [2019-03-28 12:12:11,016 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 11 states.. Second operand 4 states. Result 40 states and 46 transitions. Complement of second has 19 states. 17.21/10.94 [2019-03-28 12:12:11,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states 17.21/10.94 [2019-03-28 12:12:11,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 17.21/10.94 [2019-03-28 12:12:11,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 25 transitions. 17.21/10.94 [2019-03-28 12:12:11,022 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 6 letters. Loop has 3 letters. 17.21/10.94 [2019-03-28 12:12:11,024 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.21/10.94 [2019-03-28 12:12:11,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 9 letters. Loop has 3 letters. 17.21/10.94 [2019-03-28 12:12:11,024 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.21/10.94 [2019-03-28 12:12:11,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 25 transitions. Stem has 6 letters. Loop has 6 letters. 17.21/10.94 [2019-03-28 12:12:11,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.21/10.94 [2019-03-28 12:12:11,035 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 46 transitions. 17.21/10.94 [2019-03-28 12:12:11,039 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 17.21/10.94 [2019-03-28 12:12:11,042 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. 17.21/10.94 [2019-03-28 12:12:11,043 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 17.21/10.94 [2019-03-28 12:12:11,043 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 17.21/10.94 [2019-03-28 12:12:11,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 17.21/10.94 [2019-03-28 12:12:11,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 17.21/10.94 [2019-03-28 12:12:11,044 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.21/10.94 [2019-03-28 12:12:11,044 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.21/10.94 [2019-03-28 12:12:11,044 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.21/10.94 [2019-03-28 12:12:11,044 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 17.21/10.94 [2019-03-28 12:12:11,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 17.21/10.94 [2019-03-28 12:12:11,045 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 17.21/10.94 [2019-03-28 12:12:11,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 17.21/10.94 [2019-03-28 12:12:11,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:12:11 BasicIcfg 17.21/10.94 [2019-03-28 12:12:11,051 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 17.21/10.94 [2019-03-28 12:12:11,051 INFO L168 Benchmark]: Toolchain (without parser) took 4359.78 ms. Allocated memory was 649.6 MB in the beginning and 651.7 MB in the end (delta: 2.1 MB). Free memory was 564.2 MB in the beginning and 410.0 MB in the end (delta: 154.2 MB). Peak memory consumption was 156.3 MB. Max. memory is 50.3 GB. 17.21/10.94 [2019-03-28 12:12:11,052 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.21/10.94 [2019-03-28 12:12:11,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.87 ms. Allocated memory is still 649.6 MB. Free memory was 562.8 MB in the beginning and 553.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 17.21/10.94 [2019-03-28 12:12:11,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.62 ms. Allocated memory was 649.6 MB in the beginning and 651.7 MB in the end (delta: 2.1 MB). Free memory was 553.3 MB in the beginning and 619.2 MB in the end (delta: -65.9 MB). Peak memory consumption was 21.8 MB. Max. memory is 50.3 GB. 17.21/10.94 [2019-03-28 12:12:11,054 INFO L168 Benchmark]: Boogie Preprocessor took 17.96 ms. Allocated memory is still 651.7 MB. Free memory was 619.2 MB in the beginning and 617.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 50.3 GB. 17.21/10.94 [2019-03-28 12:12:11,055 INFO L168 Benchmark]: RCFGBuilder took 228.80 ms. Allocated memory is still 651.7 MB. Free memory was 617.8 MB in the beginning and 601.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 50.3 GB. 17.21/10.94 [2019-03-28 12:12:11,056 INFO L168 Benchmark]: BlockEncodingV2 took 73.19 ms. Allocated memory is still 651.7 MB. Free memory was 601.7 MB in the beginning and 595.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 17.21/10.94 [2019-03-28 12:12:11,056 INFO L168 Benchmark]: TraceAbstraction took 174.37 ms. Allocated memory is still 651.7 MB. Free memory was 595.3 MB in the beginning and 584.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 17.21/10.94 [2019-03-28 12:12:11,057 INFO L168 Benchmark]: BuchiAutomizer took 3526.71 ms. Allocated memory is still 651.7 MB. Free memory was 584.5 MB in the beginning and 410.0 MB in the end (delta: 174.5 MB). Peak memory consumption was 174.5 MB. Max. memory is 50.3 GB. 17.21/10.94 [2019-03-28 12:12:11,061 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 17.21/10.94 --- Results --- 17.21/10.94 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 17.21/10.94 - StatisticsResult: Initial Icfg 17.21/10.94 15 locations, 18 edges 17.21/10.94 - StatisticsResult: Encoded RCFG 17.21/10.94 11 locations, 14 edges 17.21/10.94 * Results from de.uni_freiburg.informatik.ultimate.core: 17.21/10.94 - StatisticsResult: Toolchain Benchmarks 17.21/10.94 Benchmark results are: 17.21/10.94 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 585.4 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.21/10.94 * CACSL2BoogieTranslator took 238.87 ms. Allocated memory is still 649.6 MB. Free memory was 562.8 MB in the beginning and 553.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 17.21/10.94 * Boogie Procedure Inliner took 94.62 ms. Allocated memory was 649.6 MB in the beginning and 651.7 MB in the end (delta: 2.1 MB). Free memory was 553.3 MB in the beginning and 619.2 MB in the end (delta: -65.9 MB). Peak memory consumption was 21.8 MB. Max. memory is 50.3 GB. 17.21/10.94 * Boogie Preprocessor took 17.96 ms. Allocated memory is still 651.7 MB. Free memory was 619.2 MB in the beginning and 617.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 50.3 GB. 17.21/10.94 * RCFGBuilder took 228.80 ms. Allocated memory is still 651.7 MB. Free memory was 617.8 MB in the beginning and 601.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 50.3 GB. 17.21/10.94 * BlockEncodingV2 took 73.19 ms. Allocated memory is still 651.7 MB. Free memory was 601.7 MB in the beginning and 595.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 17.21/10.94 * TraceAbstraction took 174.37 ms. Allocated memory is still 651.7 MB. Free memory was 595.3 MB in the beginning and 584.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 50.3 GB. 17.21/10.94 * BuchiAutomizer took 3526.71 ms. Allocated memory is still 651.7 MB. Free memory was 584.5 MB in the beginning and 410.0 MB in the end (delta: 174.5 MB). Peak memory consumption was 174.5 MB. Max. memory is 50.3 GB. 17.21/10.94 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 17.21/10.94 - AllSpecificationsHoldResult: All specifications hold 17.21/10.94 We were not able to verify any specifiation because the program does not contain any specification. 17.21/10.94 - InvariantResult [Line: 29]: Loop Invariant 17.21/10.94 Derived loop invariant: 1 17.21/10.94 - InvariantResult [Line: 29]: Loop Invariant 17.21/10.94 Derived loop invariant: 1 17.21/10.94 - StatisticsResult: Ultimate Automizer benchmark data 17.21/10.94 CFG has 2 procedures, 11 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=11occurred 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, 5 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 5 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 17.21/10.94 - StatisticsResult: Constructed decomposition of program 17.21/10.94 Your program was decomposed into 1 terminating modules (0 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has 2-nested ranking function (if 2 * \old(b) + 1 > 0 then 1 else 0), (if 2 * \old(b) + 1 > 0 then 2 * \old(b) + 1 else 2 * \old(a)) and consists of 6 locations. 17.21/10.94 - StatisticsResult: Timing statistics 17.21/10.94 BüchiAutomizer plugin needed 3.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 40 SDslu, 9 SDs, 0 SdLazy, 23 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 3ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 3 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.8s 17.21/10.94 - TerminationAnalysisResult: Termination proven 17.21/10.94 Buchi Automizer proved that your program is terminating 17.21/10.94 RESULT: Ultimate proved your program to be correct! 17.21/10.94 !SESSION 2019-03-28 12:12:01.815 ----------------------------------------------- 17.21/10.94 eclipse.buildId=unknown 17.21/10.94 java.version=1.8.0_181 17.21/10.94 java.vendor=Oracle Corporation 17.21/10.94 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 17.21/10.94 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 17.21/10.94 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox2/tmp -i /export/starexec/sandbox2/benchmark/theBenchmark.c 17.21/10.94 17.21/10.94 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:12:11.298 17.21/10.94 !MESSAGE The workspace will exit with unsaved changes in this session. 17.21/10.94 Received shutdown request... 17.21/10.94 Ultimate: 17.21/10.94 GTK+ Version Check 17.21/10.94 EOF