14.20/7.55 YES 14.20/7.55 14.20/7.55 Ultimate: Cannot open display: 14.20/7.55 This is Ultimate 0.1.24-8dc7c08-m 14.20/7.55 [2019-03-28 12:11:48,393 INFO L170 SettingsManager]: Resetting all preferences to default values... 14.20/7.55 [2019-03-28 12:11:48,395 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 14.20/7.55 [2019-03-28 12:11:48,406 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 14.20/7.55 [2019-03-28 12:11:48,407 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 14.20/7.55 [2019-03-28 12:11:48,408 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 14.20/7.55 [2019-03-28 12:11:48,409 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 14.20/7.55 [2019-03-28 12:11:48,410 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 14.20/7.55 [2019-03-28 12:11:48,412 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 14.20/7.55 [2019-03-28 12:11:48,413 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 14.20/7.55 [2019-03-28 12:11:48,413 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 14.20/7.55 [2019-03-28 12:11:48,414 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 14.20/7.55 [2019-03-28 12:11:48,415 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 14.20/7.55 [2019-03-28 12:11:48,415 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 14.20/7.55 [2019-03-28 12:11:48,417 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 14.20/7.55 [2019-03-28 12:11:48,417 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 14.20/7.55 [2019-03-28 12:11:48,418 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 14.20/7.55 [2019-03-28 12:11:48,420 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 14.20/7.55 [2019-03-28 12:11:48,422 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 14.20/7.55 [2019-03-28 12:11:48,423 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 14.20/7.55 [2019-03-28 12:11:48,424 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 14.20/7.55 [2019-03-28 12:11:48,426 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 14.20/7.55 [2019-03-28 12:11:48,428 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 14.20/7.55 [2019-03-28 12:11:48,428 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 14.20/7.55 [2019-03-28 12:11:48,428 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 14.20/7.55 [2019-03-28 12:11:48,429 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 14.20/7.55 [2019-03-28 12:11:48,430 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 14.20/7.55 [2019-03-28 12:11:48,430 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 14.20/7.55 [2019-03-28 12:11:48,431 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 14.20/7.55 [2019-03-28 12:11:48,431 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 14.20/7.55 [2019-03-28 12:11:48,432 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 14.20/7.55 [2019-03-28 12:11:48,433 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 14.20/7.55 [2019-03-28 12:11:48,434 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 14.20/7.55 [2019-03-28 12:11:48,434 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 14.20/7.55 [2019-03-28 12:11:48,435 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 14.20/7.55 [2019-03-28 12:11:48,435 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 14.20/7.55 [2019-03-28 12:11:48,435 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 14.20/7.55 [2019-03-28 12:11:48,436 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 14.20/7.55 [2019-03-28 12:11:48,436 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 14.20/7.55 [2019-03-28 12:11:48,437 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox2/solver/bin/./../termcomp2017.epf 14.20/7.55 [2019-03-28 12:11:48,451 INFO L110 SettingsManager]: Loading preferences was successful 14.20/7.55 [2019-03-28 12:11:48,451 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 14.20/7.55 [2019-03-28 12:11:48,453 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 14.20/7.55 [2019-03-28 12:11:48,453 INFO L133 SettingsManager]: * Rewrite not-equals=true 14.20/7.55 [2019-03-28 12:11:48,453 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 14.20/7.55 [2019-03-28 12:11:48,453 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 14.20/7.55 [2019-03-28 12:11:48,453 INFO L133 SettingsManager]: * Use SBE=true 14.20/7.55 [2019-03-28 12:11:48,454 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 14.20/7.55 [2019-03-28 12:11:48,454 INFO L133 SettingsManager]: * Use old map elimination=false 14.20/7.55 [2019-03-28 12:11:48,454 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 14.20/7.55 [2019-03-28 12:11:48,454 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 14.20/7.55 [2019-03-28 12:11:48,454 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 14.20/7.55 [2019-03-28 12:11:48,455 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 14.20/7.55 [2019-03-28 12:11:48,455 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 14.20/7.55 [2019-03-28 12:11:48,455 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.20/7.55 [2019-03-28 12:11:48,455 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 14.20/7.55 [2019-03-28 12:11:48,455 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 14.20/7.55 [2019-03-28 12:11:48,455 INFO L133 SettingsManager]: * Check division by zero=IGNORE 14.20/7.55 [2019-03-28 12:11:48,456 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 14.20/7.55 [2019-03-28 12:11:48,456 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 14.20/7.55 [2019-03-28 12:11:48,456 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 14.20/7.55 [2019-03-28 12:11:48,456 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 14.20/7.55 [2019-03-28 12:11:48,456 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 14.20/7.55 [2019-03-28 12:11:48,457 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 14.20/7.55 [2019-03-28 12:11:48,457 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.20/7.55 [2019-03-28 12:11:48,457 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 14.20/7.55 [2019-03-28 12:11:48,457 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 14.20/7.55 [2019-03-28 12:11:48,457 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 14.20/7.55 [2019-03-28 12:11:48,458 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 14.20/7.55 [2019-03-28 12:11:48,483 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 14.20/7.55 [2019-03-28 12:11:48,507 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 14.20/7.55 [2019-03-28 12:11:48,511 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 14.20/7.55 [2019-03-28 12:11:48,512 INFO L271 PluginConnector]: Initializing CDTParser... 14.20/7.55 [2019-03-28 12:11:48,513 INFO L276 PluginConnector]: CDTParser initialized 14.20/7.55 [2019-03-28 12:11:48,513 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox2/benchmark/theBenchmark.c 14.20/7.55 [2019-03-28 12:11:48,583 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox2/tmp/a2bd362086fe46659bf9a6af516acb39/FLAG7cd9f24d6 14.20/7.55 [2019-03-28 12:11:49,061 INFO L307 CDTParser]: Found 1 translation units. 14.20/7.55 [2019-03-28 12:11:49,062 INFO L161 CDTParser]: Scanning /export/starexec/sandbox2/benchmark/theBenchmark.c 14.20/7.55 [2019-03-28 12:11:49,068 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox2/tmp/a2bd362086fe46659bf9a6af516acb39/FLAG7cd9f24d6 14.20/7.55 [2019-03-28 12:11:49,484 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox2/tmp/a2bd362086fe46659bf9a6af516acb39 14.20/7.55 [2019-03-28 12:11:49,496 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 14.20/7.55 [2019-03-28 12:11:49,498 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 14.20/7.55 [2019-03-28 12:11:49,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 14.20/7.55 [2019-03-28 12:11:49,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 14.20/7.55 [2019-03-28 12:11:49,503 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 14.20/7.55 [2019-03-28 12:11:49,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:11:49" (1/1) ... 14.20/7.55 [2019-03-28 12:11:49,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c23a1d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:11:49, skipping insertion in model container 14.20/7.55 [2019-03-28 12:11:49,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:11:49" (1/1) ... 14.20/7.55 [2019-03-28 12:11:49,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 14.20/7.55 [2019-03-28 12:11:49,532 INFO L176 MainTranslator]: Built tables and reachable declarations 14.20/7.55 [2019-03-28 12:11:49,693 INFO L206 PostProcessor]: Analyzing one entry point: main 14.20/7.55 [2019-03-28 12:11:49,697 INFO L191 MainTranslator]: Completed pre-run 14.20/7.55 [2019-03-28 12:11:49,714 INFO L206 PostProcessor]: Analyzing one entry point: main 14.20/7.55 [2019-03-28 12:11:49,729 INFO L195 MainTranslator]: Completed translation 14.20/7.55 [2019-03-28 12:11:49,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:11:49 WrapperNode 14.20/7.55 [2019-03-28 12:11:49,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 14.20/7.55 [2019-03-28 12:11:49,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 14.20/7.55 [2019-03-28 12:11:49,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 14.20/7.55 [2019-03-28 12:11:49,731 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 14.20/7.55 [2019-03-28 12:11:49,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:11:49" (1/1) ... 14.20/7.55 [2019-03-28 12:11:49,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:11:49" (1/1) ... 14.20/7.55 [2019-03-28 12:11:49,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 14.20/7.55 [2019-03-28 12:11:49,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 14.20/7.55 [2019-03-28 12:11:49,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 14.20/7.55 [2019-03-28 12:11:49,828 INFO L276 PluginConnector]: Boogie Preprocessor initialized 14.20/7.55 [2019-03-28 12:11:49,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:11:49" (1/1) ... 14.20/7.55 [2019-03-28 12:11:49,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:11:49" (1/1) ... 14.20/7.55 [2019-03-28 12:11:49,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:11:49" (1/1) ... 14.20/7.55 [2019-03-28 12:11:49,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:11:49" (1/1) ... 14.20/7.55 [2019-03-28 12:11:49,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:11:49" (1/1) ... 14.20/7.55 [2019-03-28 12:11:49,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:11:49" (1/1) ... 14.20/7.55 [2019-03-28 12:11:49,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:11:49" (1/1) ... 14.20/7.55 [2019-03-28 12:11:49,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 14.20/7.55 [2019-03-28 12:11:49,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 14.20/7.55 [2019-03-28 12:11:49,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... 14.20/7.55 [2019-03-28 12:11:49,850 INFO L276 PluginConnector]: RCFGBuilder initialized 14.20/7.55 [2019-03-28 12:11:49,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:11:49" (1/1) ... 14.20/7.55 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.20/7.55 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 14.20/7.55 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 14.20/7.55 [2019-03-28 12:11:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 14.20/7.55 [2019-03-28 12:11:49,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 14.20/7.55 [2019-03-28 12:11:50,057 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 14.20/7.55 [2019-03-28 12:11:50,057 INFO L286 CfgBuilder]: Removed 8 assue(true) statements. 14.20/7.55 [2019-03-28 12:11:50,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:11:50 BoogieIcfgContainer 14.20/7.55 [2019-03-28 12:11:50,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 14.20/7.55 [2019-03-28 12:11:50,075 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 14.20/7.55 [2019-03-28 12:11:50,075 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 14.20/7.55 [2019-03-28 12:11:50,077 INFO L276 PluginConnector]: BlockEncodingV2 initialized 14.20/7.55 [2019-03-28 12:11:50,078 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:11:50" (1/1) ... 14.20/7.55 [2019-03-28 12:11:50,092 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 12 edges 14.20/7.55 [2019-03-28 12:11:50,094 INFO L258 BlockEncoder]: Using Remove infeasible edges 14.20/7.55 [2019-03-28 12:11:50,094 INFO L263 BlockEncoder]: Using Maximize final states 14.20/7.55 [2019-03-28 12:11:50,095 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 14.20/7.55 [2019-03-28 12:11:50,096 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 14.20/7.55 [2019-03-28 12:11:50,098 INFO L296 BlockEncoder]: Using Remove sink states 14.20/7.55 [2019-03-28 12:11:50,099 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 14.20/7.55 [2019-03-28 12:11:50,099 INFO L179 BlockEncoder]: Using Rewrite not-equals 14.20/7.55 [2019-03-28 12:11:50,113 INFO L185 BlockEncoder]: Using Use SBE 14.20/7.55 [2019-03-28 12:11:50,122 INFO L200 BlockEncoder]: SBE split 0 edges 14.20/7.55 [2019-03-28 12:11:50,127 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 14.20/7.55 [2019-03-28 12:11:50,129 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.20/7.55 [2019-03-28 12:11:50,146 INFO L100 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding 14.20/7.55 [2019-03-28 12:11:50,148 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 14.20/7.55 [2019-03-28 12:11:50,150 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 14.20/7.55 [2019-03-28 12:11:50,150 INFO L71 MaximizeFinalStates]: 0 new accepting states 14.20/7.55 [2019-03-28 12:11:50,150 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 14.20/7.55 [2019-03-28 12:11:50,150 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 14.20/7.55 [2019-03-28 12:11:50,151 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 14.20/7.55 [2019-03-28 12:11:50,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:11:50 BasicIcfg 14.20/7.55 [2019-03-28 12:11:50,151 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 14.20/7.55 [2019-03-28 12:11:50,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 14.20/7.55 [2019-03-28 12:11:50,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... 14.20/7.55 [2019-03-28 12:11:50,156 INFO L276 PluginConnector]: TraceAbstraction initialized 14.20/7.55 [2019-03-28 12:11:50,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:11:49" (1/4) ... 14.20/7.55 [2019-03-28 12:11:50,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9aa2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:11:50, skipping insertion in model container 14.20/7.55 [2019-03-28 12:11:50,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:11:49" (2/4) ... 14.20/7.55 [2019-03-28 12:11:50,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9aa2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:11:50, skipping insertion in model container 14.20/7.55 [2019-03-28 12:11:50,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:11:50" (3/4) ... 14.20/7.55 [2019-03-28 12:11:50,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9aa2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:11:50, skipping insertion in model container 14.20/7.55 [2019-03-28 12:11:50,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:11:50" (4/4) ... 14.20/7.55 [2019-03-28 12:11:50,160 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.20/7.55 [2019-03-28 12:11:50,170 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 14.20/7.55 [2019-03-28 12:11:50,178 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 14.20/7.55 [2019-03-28 12:11:50,196 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 14.20/7.55 [2019-03-28 12:11:50,225 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.20/7.55 [2019-03-28 12:11:50,226 INFO L382 AbstractCegarLoop]: Interprodecural is true 14.20/7.55 [2019-03-28 12:11:50,226 INFO L383 AbstractCegarLoop]: Hoare is true 14.20/7.55 [2019-03-28 12:11:50,226 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 14.20/7.55 [2019-03-28 12:11:50,226 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 14.20/7.55 [2019-03-28 12:11:50,226 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.20/7.55 [2019-03-28 12:11:50,226 INFO L387 AbstractCegarLoop]: Difference is false 14.20/7.55 [2019-03-28 12:11:50,227 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 14.20/7.55 [2019-03-28 12:11:50,227 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 14.20/7.55 [2019-03-28 12:11:50,241 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 14.20/7.55 [2019-03-28 12:11:50,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 14.20/7.55 [2019-03-28 12:11:50,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 14.20/7.55 [2019-03-28 12:11:50,301 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 14.20/7.55 [2019-03-28 12:11:50,302 INFO L451 ceAbstractionStarter]: At program point L9-2(lines 9 12) the Hoare annotation is: true 14.20/7.55 [2019-03-28 12:11:50,302 INFO L451 ceAbstractionStarter]: At program point L6-2(lines 6 14) the Hoare annotation is: true 14.20/7.55 [2019-03-28 12:11:50,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:11:50 BasicIcfg 14.20/7.55 [2019-03-28 12:11:50,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 14.20/7.55 [2019-03-28 12:11:50,311 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 14.20/7.55 [2019-03-28 12:11:50,311 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 14.20/7.55 [2019-03-28 12:11:50,314 INFO L276 PluginConnector]: BuchiAutomizer initialized 14.20/7.55 [2019-03-28 12:11:50,315 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.20/7.55 [2019-03-28 12:11:50,316 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:11:49" (1/5) ... 14.20/7.55 [2019-03-28 12:11:50,316 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a219271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:11:50, skipping insertion in model container 14.20/7.55 [2019-03-28 12:11:50,316 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.20/7.55 [2019-03-28 12:11:50,317 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:11:49" (2/5) ... 14.20/7.55 [2019-03-28 12:11:50,317 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a219271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:11:50, skipping insertion in model container 14.20/7.55 [2019-03-28 12:11:50,317 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.20/7.55 [2019-03-28 12:11:50,317 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:11:50" (3/5) ... 14.20/7.55 [2019-03-28 12:11:50,318 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a219271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:11:50, skipping insertion in model container 14.20/7.55 [2019-03-28 12:11:50,318 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.20/7.55 [2019-03-28 12:11:50,318 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:11:50" (4/5) ... 14.20/7.55 [2019-03-28 12:11:50,318 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7a219271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:11:50, skipping insertion in model container 14.20/7.55 [2019-03-28 12:11:50,319 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 14.20/7.55 [2019-03-28 12:11:50,319 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:11:50" (5/5) ... 14.20/7.55 [2019-03-28 12:11:50,320 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 14.20/7.55 [2019-03-28 12:11:50,347 INFO L133 ementStrategyFactory]: Using default assertion order modulation 14.20/7.55 [2019-03-28 12:11:50,348 INFO L374 BuchiCegarLoop]: Interprodecural is true 14.20/7.55 [2019-03-28 12:11:50,348 INFO L375 BuchiCegarLoop]: Hoare is true 14.20/7.55 [2019-03-28 12:11:50,348 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 14.20/7.55 [2019-03-28 12:11:50,348 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 14.20/7.55 [2019-03-28 12:11:50,348 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 14.20/7.55 [2019-03-28 12:11:50,349 INFO L379 BuchiCegarLoop]: Difference is false 14.20/7.55 [2019-03-28 12:11:50,349 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 14.20/7.55 [2019-03-28 12:11:50,349 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 14.20/7.55 [2019-03-28 12:11:50,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.20/7.55 [2019-03-28 12:11:50,370 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.20/7.55 [2019-03-28 12:11:50,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.20/7.55 [2019-03-28 12:11:50,371 INFO L119 BuchiIsEmpty]: Starting construction of run 14.20/7.55 [2019-03-28 12:11:50,376 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.20/7.55 [2019-03-28 12:11:50,376 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.20/7.55 [2019-03-28 12:11:50,376 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 14.20/7.55 [2019-03-28 12:11:50,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 14.20/7.55 [2019-03-28 12:11:50,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 14.20/7.55 [2019-03-28 12:11:50,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.20/7.55 [2019-03-28 12:11:50,377 INFO L119 BuchiIsEmpty]: Starting construction of run 14.20/7.55 [2019-03-28 12:11:50,378 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 14.20/7.55 [2019-03-28 12:11:50,378 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 14.20/7.55 [2019-03-28 12:11:50,383 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [34] ULTIMATE.startENTRY-->L6-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 5#L6-2true 14.20/7.55 [2019-03-28 12:11:50,384 INFO L796 eck$LassoCheckResult]: Loop: 5#L6-2true [44] L6-2-->L9-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_8 (+ v_ULTIMATE.start_test_fun_~x_9 1)) (= v_ULTIMATE.start_test_fun_~y_6 1) (<= 0 v_ULTIMATE.start_test_fun_~x_9)) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_9} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_6, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_8} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_test_fun_~x] 4#L9-2true [48] L9-2-->L6-2: Formula: (and (= (+ v_ULTIMATE.start_test_fun_~x_12 (- 2)) v_ULTIMATE.start_test_fun_~x_11) (<= v_ULTIMATE.start_test_fun_~x_12 v_ULTIMATE.start_test_fun_~y_7)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_12} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_7, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_11} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~x] 5#L6-2true 14.20/7.55 [2019-03-28 12:11:50,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.20/7.55 [2019-03-28 12:11:50,391 INFO L82 PathProgramCache]: Analyzing trace with hash 65, now seen corresponding path program 1 times 14.20/7.55 [2019-03-28 12:11:50,393 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.20/7.55 [2019-03-28 12:11:50,393 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.20/7.55 [2019-03-28 12:11:50,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.20/7.55 [2019-03-28 12:11:50,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.20/7.55 [2019-03-28 12:11:50,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.20/7.55 [2019-03-28 12:11:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.20/7.55 [2019-03-28 12:11:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.20/7.55 [2019-03-28 12:11:50,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.20/7.55 [2019-03-28 12:11:50,467 INFO L82 PathProgramCache]: Analyzing trace with hash 2373, now seen corresponding path program 1 times 14.20/7.55 [2019-03-28 12:11:50,467 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.20/7.55 [2019-03-28 12:11:50,468 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.20/7.55 [2019-03-28 12:11:50,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.20/7.55 [2019-03-28 12:11:50,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.20/7.55 [2019-03-28 12:11:50,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.20/7.55 [2019-03-28 12:11:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.20/7.55 [2019-03-28 12:11:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.20/7.55 [2019-03-28 12:11:50,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.20/7.55 [2019-03-28 12:11:50,483 INFO L82 PathProgramCache]: Analyzing trace with hash 63877, now seen corresponding path program 1 times 14.20/7.55 [2019-03-28 12:11:50,483 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.20/7.55 [2019-03-28 12:11:50,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.20/7.55 [2019-03-28 12:11:50,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.20/7.55 [2019-03-28 12:11:50,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.20/7.55 [2019-03-28 12:11:50,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.20/7.55 [2019-03-28 12:11:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.20/7.55 [2019-03-28 12:11:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.20/7.55 [2019-03-28 12:11:50,556 INFO L216 LassoAnalysis]: Preferences: 14.20/7.55 [2019-03-28 12:11:50,558 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.20/7.55 [2019-03-28 12:11:50,558 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.20/7.55 [2019-03-28 12:11:50,558 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.20/7.55 [2019-03-28 12:11:50,558 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.20/7.55 [2019-03-28 12:11:50,558 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.20/7.55 [2019-03-28 12:11:50,559 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.20/7.55 [2019-03-28 12:11:50,559 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.20/7.55 [2019-03-28 12:11:50,559 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.20/7.55 [2019-03-28 12:11:50,559 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.20/7.55 [2019-03-28 12:11:50,559 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.20/7.55 [2019-03-28 12:11:50,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.20/7.55 [2019-03-28 12:11:50,657 INFO L300 LassoAnalysis]: Preprocessing complete. 14.20/7.55 [2019-03-28 12:11:50,658 INFO L412 LassoAnalysis]: Checking for nontermination... 14.20/7.55 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.20/7.55 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.20/7.55 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.20/7.55 [2019-03-28 12:11:50,666 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.20/7.55 [2019-03-28 12:11:50,666 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.20/7.55 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.20/7.55 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.20/7.55 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.20/7.55 [2019-03-28 12:11:50,704 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.20/7.55 [2019-03-28 12:11:50,704 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.20/7.55 [2019-03-28 12:11:50,738 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.20/7.55 [2019-03-28 12:11:50,740 INFO L216 LassoAnalysis]: Preferences: 14.20/7.55 [2019-03-28 12:11:50,740 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.20/7.55 [2019-03-28 12:11:50,741 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.20/7.55 [2019-03-28 12:11:50,741 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.20/7.55 [2019-03-28 12:11:50,741 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.20/7.55 [2019-03-28 12:11:50,741 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.20/7.55 [2019-03-28 12:11:50,741 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.20/7.55 [2019-03-28 12:11:50,741 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.20/7.55 [2019-03-28 12:11:50,741 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 14.20/7.55 [2019-03-28 12:11:50,742 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.20/7.55 [2019-03-28 12:11:50,742 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.20/7.55 [2019-03-28 12:11:50,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.20/7.55 [2019-03-28 12:11:50,812 INFO L300 LassoAnalysis]: Preprocessing complete. 14.20/7.55 [2019-03-28 12:11:50,818 INFO L497 LassoAnalysis]: Using template 'affine'. 14.20/7.55 [2019-03-28 12:11:50,820 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.20/7.55 Termination analysis: LINEAR_WITH_GUESSES 14.20/7.55 Number of strict supporting invariants: 0 14.20/7.55 Number of non-strict supporting invariants: 1 14.20/7.55 Consider only non-deceasing supporting invariants: true 14.20/7.55 Simplify termination arguments: true 14.20/7.55 Simplify supporting invariants: trueOverapproximate stem: false 14.20/7.55 [2019-03-28 12:11:50,822 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.20/7.55 [2019-03-28 12:11:50,822 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.20/7.55 [2019-03-28 12:11:50,823 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.20/7.55 [2019-03-28 12:11:50,823 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.20/7.55 [2019-03-28 12:11:50,823 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.20/7.55 [2019-03-28 12:11:50,826 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.20/7.55 [2019-03-28 12:11:50,826 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.20/7.55 [2019-03-28 12:11:50,835 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.20/7.55 [2019-03-28 12:11:50,844 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 14.20/7.55 [2019-03-28 12:11:50,844 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 14.20/7.55 [2019-03-28 12:11:50,846 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.20/7.55 [2019-03-28 12:11:50,846 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.20/7.55 [2019-03-28 12:11:50,847 INFO L518 LassoAnalysis]: Proved termination. 14.20/7.55 [2019-03-28 12:11:50,848 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.20/7.55 Ranking function f(ULTIMATE.start_test_fun_~x) = 2*ULTIMATE.start_test_fun_~x + 1 14.20/7.55 Supporting invariants [] 14.20/7.55 [2019-03-28 12:11:50,849 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.20/7.55 [2019-03-28 12:11:50,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.20/7.55 [2019-03-28 12:11:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.20/7.55 [2019-03-28 12:11:50,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core 14.20/7.55 [2019-03-28 12:11:50,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.20/7.55 [2019-03-28 12:11:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.20/7.55 [2019-03-28 12:11:50,902 WARN L254 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core 14.20/7.55 [2019-03-28 12:11:50,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.20/7.55 [2019-03-28 12:11:50,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.20/7.55 [2019-03-28 12:11:50,947 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 14.20/7.55 [2019-03-28 12:11:50,952 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 14.20/7.55 [2019-03-28 12:11:50,953 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 14.20/7.55 [2019-03-28 12:11:50,982 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 6 states and 9 transitions. Complement of second has 4 states. 14.20/7.55 [2019-03-28 12:11:50,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 14.20/7.55 [2019-03-28 12:11:50,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 14.20/7.55 [2019-03-28 12:11:50,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 14.20/7.55 [2019-03-28 12:11:50,987 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 2 letters. 14.20/7.55 [2019-03-28 12:11:50,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.20/7.55 [2019-03-28 12:11:50,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 3 letters. Loop has 2 letters. 14.20/7.55 [2019-03-28 12:11:50,989 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.20/7.55 [2019-03-28 12:11:50,989 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 4 letters. 14.20/7.55 [2019-03-28 12:11:50,990 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.20/7.55 [2019-03-28 12:11:50,995 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 9 transitions. 14.20/7.55 [2019-03-28 12:11:50,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.20/7.55 [2019-03-28 12:11:51,000 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 9 transitions. 14.20/7.55 [2019-03-28 12:11:51,001 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 14.20/7.55 [2019-03-28 12:11:51,001 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 14.20/7.55 [2019-03-28 12:11:51,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 9 transitions. 14.20/7.55 [2019-03-28 12:11:51,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 14.20/7.55 [2019-03-28 12:11:51,002 INFO L706 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 14.20/7.55 [2019-03-28 12:11:51,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 9 transitions. 14.20/7.55 [2019-03-28 12:11:51,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 5. 14.20/7.55 [2019-03-28 12:11:51,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. 14.20/7.55 [2019-03-28 12:11:51,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. 14.20/7.55 [2019-03-28 12:11:51,031 INFO L729 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 14.20/7.55 [2019-03-28 12:11:51,031 INFO L609 BuchiCegarLoop]: Abstraction has 5 states and 8 transitions. 14.20/7.55 [2019-03-28 12:11:51,031 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 14.20/7.55 [2019-03-28 12:11:51,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 8 transitions. 14.20/7.55 [2019-03-28 12:11:51,032 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 14.20/7.55 [2019-03-28 12:11:51,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 14.20/7.55 [2019-03-28 12:11:51,032 INFO L119 BuchiIsEmpty]: Starting construction of run 14.20/7.55 [2019-03-28 12:11:51,032 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 14.20/7.55 [2019-03-28 12:11:51,032 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 14.20/7.55 [2019-03-28 12:11:51,033 INFO L794 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRY [34] ULTIMATE.startENTRY-->L6-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_1 |v_ULTIMATE.start_test_fun_#in~x_1|) (= |v_ULTIMATE.start_test_fun_#in~x_1| |v_ULTIMATE.start_main_#t~nondet0_1|) (= |v_ULTIMATE.start_test_fun_#in~y_1| |v_ULTIMATE.start_main_#t~nondet1_1|) (= v_ULTIMATE.start_test_fun_~y_1 |v_ULTIMATE.start_test_fun_#in~y_1|) (= v_ULTIMATE.start_test_fun_~c~0_1 0)) InVars {} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_1, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_#t~ret2=|v_ULTIMATE.start_main_#t~ret2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_test_fun_#res=|v_ULTIMATE.start_test_fun_#res_1|, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_1, ULTIMATE.start_test_fun_#in~y=|v_ULTIMATE.start_test_fun_#in~y_1|, ULTIMATE.start_test_fun_#in~x=|v_ULTIMATE.start_test_fun_#in~x_1|} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_test_fun_~x, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#t~ret2, ULTIMATE.start_main_#res, ULTIMATE.start_test_fun_#res, ULTIMATE.start_test_fun_~c~0, ULTIMATE.start_test_fun_#in~y, ULTIMATE.start_test_fun_#in~x] 42#L6-2 [44] L6-2-->L9-2: Formula: (and (= v_ULTIMATE.start_test_fun_~x_8 (+ v_ULTIMATE.start_test_fun_~x_9 1)) (= v_ULTIMATE.start_test_fun_~y_6 1) (<= 0 v_ULTIMATE.start_test_fun_~x_9)) InVars {ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_9} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_6, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_8} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_test_fun_~x] 43#L9-2 14.20/7.55 [2019-03-28 12:11:51,033 INFO L796 eck$LassoCheckResult]: Loop: 43#L9-2 [38] L9-2-->L9-2: Formula: (and (= v_ULTIMATE.start_test_fun_~y_4 (+ v_ULTIMATE.start_test_fun_~y_5 1)) (= v_ULTIMATE.start_test_fun_~c~0_3 (+ v_ULTIMATE.start_test_fun_~c~0_4 1)) (< v_ULTIMATE.start_test_fun_~y_5 v_ULTIMATE.start_test_fun_~x_4)) InVars {ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_5, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_4} OutVars{ULTIMATE.start_test_fun_~y=v_ULTIMATE.start_test_fun_~y_4, ULTIMATE.start_test_fun_~x=v_ULTIMATE.start_test_fun_~x_4, ULTIMATE.start_test_fun_~c~0=v_ULTIMATE.start_test_fun_~c~0_3} AuxVars[] AssignedVars[ULTIMATE.start_test_fun_~y, ULTIMATE.start_test_fun_~c~0] 43#L9-2 14.20/7.55 [2019-03-28 12:11:51,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.20/7.55 [2019-03-28 12:11:51,034 INFO L82 PathProgramCache]: Analyzing trace with hash 2059, now seen corresponding path program 1 times 14.20/7.55 [2019-03-28 12:11:51,034 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.20/7.55 [2019-03-28 12:11:51,034 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.20/7.55 [2019-03-28 12:11:51,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.20/7.55 [2019-03-28 12:11:51,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.20/7.55 [2019-03-28 12:11:51,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.20/7.55 [2019-03-28 12:11:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.20/7.55 [2019-03-28 12:11:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.20/7.55 [2019-03-28 12:11:51,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.20/7.55 [2019-03-28 12:11:51,043 INFO L82 PathProgramCache]: Analyzing trace with hash 69, now seen corresponding path program 1 times 14.20/7.55 [2019-03-28 12:11:51,043 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.20/7.55 [2019-03-28 12:11:51,044 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.20/7.55 [2019-03-28 12:11:51,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.20/7.55 [2019-03-28 12:11:51,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.20/7.55 [2019-03-28 12:11:51,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.20/7.55 [2019-03-28 12:11:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.20/7.55 [2019-03-28 12:11:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.20/7.55 [2019-03-28 12:11:51,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.20/7.55 [2019-03-28 12:11:51,050 INFO L82 PathProgramCache]: Analyzing trace with hash 63867, now seen corresponding path program 1 times 14.20/7.55 [2019-03-28 12:11:51,050 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 14.20/7.55 [2019-03-28 12:11:51,050 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 14.20/7.55 [2019-03-28 12:11:51,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.20/7.55 [2019-03-28 12:11:51,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 14.20/7.55 [2019-03-28 12:11:51,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 14.20/7.55 [2019-03-28 12:11:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.20/7.55 [2019-03-28 12:11:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 14.20/7.55 [2019-03-28 12:11:51,076 INFO L216 LassoAnalysis]: Preferences: 14.20/7.55 [2019-03-28 12:11:51,076 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.20/7.55 [2019-03-28 12:11:51,077 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.20/7.55 [2019-03-28 12:11:51,077 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.20/7.55 [2019-03-28 12:11:51,077 INFO L127 ssoRankerPreferences]: Use exernal solver: true 14.20/7.55 [2019-03-28 12:11:51,077 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.20/7.55 [2019-03-28 12:11:51,077 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.20/7.55 [2019-03-28 12:11:51,077 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.20/7.55 [2019-03-28 12:11:51,077 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.20/7.55 [2019-03-28 12:11:51,078 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.20/7.55 [2019-03-28 12:11:51,078 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.20/7.55 [2019-03-28 12:11:51,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.20/7.55 [2019-03-28 12:11:51,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.20/7.55 [2019-03-28 12:11:51,119 INFO L300 LassoAnalysis]: Preprocessing complete. 14.20/7.55 [2019-03-28 12:11:51,120 INFO L412 LassoAnalysis]: Checking for nontermination... 14.20/7.55 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.20/7.55 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.20/7.55 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.20/7.55 [2019-03-28 12:11:51,124 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.20/7.55 [2019-03-28 12:11:51,124 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.20/7.55 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.20/7.55 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.20/7.55 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.20/7.55 [2019-03-28 12:11:51,156 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.20/7.55 [2019-03-28 12:11:51,156 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.20/7.55 [2019-03-28 12:11:51,176 INFO L445 LassoAnalysis]: Proved nontermination for one component. 14.20/7.55 [2019-03-28 12:11:51,176 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_fun_~c~0=0} Honda state: {ULTIMATE.start_test_fun_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_test_fun_~c~0=-4}, {ULTIMATE.start_test_fun_~c~0=7}, {ULTIMATE.start_test_fun_~c~0=-2}] Lambdas: [1, 1, 1] Nus: [0, 0] 14.20/7.55 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.20/7.55 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.20/7.55 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.20/7.55 [2019-03-28 12:11:51,205 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 14.20/7.55 [2019-03-28 12:11:51,206 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.20/7.55 No working directory specified, using /export/starexec/sandbox2/solver/bin/z3 14.20/7.55 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 14.20/7.55 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 14.20/7.55 [2019-03-28 12:11:51,237 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 14.20/7.55 [2019-03-28 12:11:51,238 INFO L163 nArgumentSynthesizer]: Using integer mode. 14.20/7.55 [2019-03-28 12:11:51,431 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 14.20/7.55 [2019-03-28 12:11:51,433 INFO L216 LassoAnalysis]: Preferences: 14.20/7.55 [2019-03-28 12:11:51,433 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 14.20/7.55 [2019-03-28 12:11:51,433 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 14.20/7.55 [2019-03-28 12:11:51,434 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 14.20/7.55 [2019-03-28 12:11:51,434 INFO L127 ssoRankerPreferences]: Use exernal solver: false 14.20/7.55 [2019-03-28 12:11:51,434 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 14.20/7.55 [2019-03-28 12:11:51,434 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 14.20/7.55 [2019-03-28 12:11:51,434 INFO L130 ssoRankerPreferences]: Path of dumped script: 14.20/7.55 [2019-03-28 12:11:51,434 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 14.20/7.55 [2019-03-28 12:11:51,434 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 14.20/7.55 [2019-03-28 12:11:51,434 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 14.20/7.55 [2019-03-28 12:11:51,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.20/7.55 [2019-03-28 12:11:51,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 14.20/7.55 [2019-03-28 12:11:51,469 INFO L300 LassoAnalysis]: Preprocessing complete. 14.20/7.55 [2019-03-28 12:11:51,470 INFO L497 LassoAnalysis]: Using template 'affine'. 14.20/7.55 [2019-03-28 12:11:51,470 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.20/7.55 Termination analysis: LINEAR_WITH_GUESSES 14.20/7.55 Number of strict supporting invariants: 0 14.20/7.55 Number of non-strict supporting invariants: 1 14.20/7.55 Consider only non-deceasing supporting invariants: true 14.20/7.55 Simplify termination arguments: true 14.20/7.55 Simplify supporting invariants: trueOverapproximate stem: false 14.20/7.55 [2019-03-28 12:11:51,471 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.20/7.55 [2019-03-28 12:11:51,471 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.20/7.55 [2019-03-28 12:11:51,471 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.20/7.55 [2019-03-28 12:11:51,471 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.20/7.55 [2019-03-28 12:11:51,471 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.20/7.55 [2019-03-28 12:11:51,472 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.20/7.55 [2019-03-28 12:11:51,472 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.20/7.55 [2019-03-28 12:11:51,476 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 14.20/7.55 [2019-03-28 12:11:51,477 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 14.20/7.55 Termination analysis: LINEAR_WITH_GUESSES 14.20/7.55 Number of strict supporting invariants: 0 14.20/7.55 Number of non-strict supporting invariants: 1 14.20/7.55 Consider only non-deceasing supporting invariants: true 14.20/7.55 Simplify termination arguments: true 14.20/7.55 Simplify supporting invariants: trueOverapproximate stem: false 14.20/7.55 [2019-03-28 12:11:51,477 INFO L339 nArgumentSynthesizer]: Template has degree 0. 14.20/7.55 [2019-03-28 12:11:51,477 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 14.20/7.55 [2019-03-28 12:11:51,478 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 14.20/7.55 [2019-03-28 12:11:51,478 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 14.20/7.55 [2019-03-28 12:11:51,478 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 14.20/7.55 [2019-03-28 12:11:51,479 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 14.20/7.55 [2019-03-28 12:11:51,479 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 14.20/7.55 [2019-03-28 12:11:51,484 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 14.20/7.55 [2019-03-28 12:11:51,490 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 14.20/7.55 [2019-03-28 12:11:51,490 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. 14.20/7.55 [2019-03-28 12:11:51,491 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 14.20/7.55 [2019-03-28 12:11:51,491 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 14.20/7.55 [2019-03-28 12:11:51,491 INFO L518 LassoAnalysis]: Proved termination. 14.20/7.55 [2019-03-28 12:11:51,491 INFO L520 LassoAnalysis]: Termination argument consisting of: 14.20/7.55 Ranking function f(ULTIMATE.start_test_fun_~x, ULTIMATE.start_test_fun_~y) = 1*ULTIMATE.start_test_fun_~x - 1*ULTIMATE.start_test_fun_~y 14.20/7.55 Supporting invariants [] 14.20/7.55 [2019-03-28 12:11:51,492 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 14.20/7.55 [2019-03-28 12:11:51,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 14.20/7.55 [2019-03-28 12:11:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.20/7.55 [2019-03-28 12:11:51,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core 14.20/7.55 [2019-03-28 12:11:51,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.20/7.55 [2019-03-28 12:11:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 14.20/7.55 [2019-03-28 12:11:51,534 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core 14.20/7.55 [2019-03-28 12:11:51,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... 14.20/7.55 [2019-03-28 12:11:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 14.20/7.55 [2019-03-28 12:11:51,535 INFO L98 LoopCannibalizer]: 1 predicates before loop cannibalization 1 predicates after loop cannibalization 14.20/7.55 [2019-03-28 12:11:51,535 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates 14.20/7.55 [2019-03-28 12:11:51,536 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5 Second operand 2 states. 14.20/7.55 [2019-03-28 12:11:51,547 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 5 states and 8 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 7 states and 10 transitions. Complement of second has 4 states. 14.20/7.55 [2019-03-28 12:11:51,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 14.20/7.55 [2019-03-28 12:11:51,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. 14.20/7.55 [2019-03-28 12:11:51,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. 14.20/7.55 [2019-03-28 12:11:51,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 1 letters. 14.20/7.55 [2019-03-28 12:11:51,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.20/7.55 [2019-03-28 12:11:51,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 3 letters. Loop has 1 letters. 14.20/7.55 [2019-03-28 12:11:51,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.20/7.55 [2019-03-28 12:11:51,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 2 letters. Loop has 2 letters. 14.20/7.55 [2019-03-28 12:11:51,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. 14.20/7.55 [2019-03-28 12:11:51,551 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. 14.20/7.55 [2019-03-28 12:11:51,551 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.20/7.55 [2019-03-28 12:11:51,552 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 0 states and 0 transitions. 14.20/7.55 [2019-03-28 12:11:51,552 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 14.20/7.55 [2019-03-28 12:11:51,552 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 14.20/7.55 [2019-03-28 12:11:51,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 14.20/7.55 [2019-03-28 12:11:51,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 14.20/7.55 [2019-03-28 12:11:51,552 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.20/7.55 [2019-03-28 12:11:51,552 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.20/7.55 [2019-03-28 12:11:51,553 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 14.20/7.55 [2019-03-28 12:11:51,553 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 14.20/7.55 [2019-03-28 12:11:51,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 14.20/7.55 [2019-03-28 12:11:51,553 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 14.20/7.55 [2019-03-28 12:11:51,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 14.20/7.55 [2019-03-28 12:11:51,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:11:51 BasicIcfg 14.20/7.55 [2019-03-28 12:11:51,559 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 14.20/7.55 [2019-03-28 12:11:51,560 INFO L168 Benchmark]: Toolchain (without parser) took 2063.16 ms. Allocated memory was 649.6 MB in the beginning and 664.3 MB in the end (delta: 14.7 MB). Free memory was 560.8 MB in the beginning and 495.5 MB in the end (delta: 65.3 MB). Peak memory consumption was 80.0 MB. Max. memory is 50.3 GB. 14.20/7.55 [2019-03-28 12:11:51,562 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 581.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.20/7.55 [2019-03-28 12:11:51,562 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.76 ms. Allocated memory is still 649.6 MB. Free memory was 559.4 MB in the beginning and 549.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 14.20/7.55 [2019-03-28 12:11:51,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.76 ms. Allocated memory was 649.6 MB in the beginning and 664.3 MB in the end (delta: 14.7 MB). Free memory was 549.9 MB in the beginning and 630.7 MB in the end (delta: -80.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 14.20/7.55 [2019-03-28 12:11:51,564 INFO L168 Benchmark]: Boogie Preprocessor took 21.13 ms. Allocated memory is still 664.3 MB. Free memory was 630.7 MB in the beginning and 628.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 14.20/7.55 [2019-03-28 12:11:51,564 INFO L168 Benchmark]: RCFGBuilder took 225.17 ms. Allocated memory is still 664.3 MB. Free memory was 627.6 MB in the beginning and 614.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 50.3 GB. 14.20/7.55 [2019-03-28 12:11:51,565 INFO L168 Benchmark]: BlockEncodingV2 took 76.66 ms. Allocated memory is still 664.3 MB. Free memory was 614.5 MB in the beginning and 609.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 14.20/7.55 [2019-03-28 12:11:51,566 INFO L168 Benchmark]: TraceAbstraction took 157.99 ms. Allocated memory is still 664.3 MB. Free memory was 609.1 MB in the beginning and 599.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 14.20/7.55 [2019-03-28 12:11:51,566 INFO L168 Benchmark]: BuchiAutomizer took 1248.33 ms. Allocated memory is still 664.3 MB. Free memory was 599.7 MB in the beginning and 495.5 MB in the end (delta: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 50.3 GB. 14.20/7.55 [2019-03-28 12:11:51,570 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 14.20/7.55 --- Results --- 14.20/7.55 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 14.20/7.55 - StatisticsResult: Initial Icfg 14.20/7.55 9 locations, 12 edges 14.20/7.55 - StatisticsResult: Encoded RCFG 14.20/7.55 3 locations, 4 edges 14.20/7.55 * Results from de.uni_freiburg.informatik.ultimate.core: 14.20/7.55 - StatisticsResult: Toolchain Benchmarks 14.20/7.55 Benchmark results are: 14.20/7.55 * CDTParser took 0.17 ms. Allocated memory is still 649.6 MB. Free memory is still 581.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 14.20/7.55 * CACSL2BoogieTranslator took 231.76 ms. Allocated memory is still 649.6 MB. Free memory was 559.4 MB in the beginning and 549.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 14.20/7.55 * Boogie Procedure Inliner took 96.76 ms. Allocated memory was 649.6 MB in the beginning and 664.3 MB in the end (delta: 14.7 MB). Free memory was 549.9 MB in the beginning and 630.7 MB in the end (delta: -80.8 MB). Peak memory consumption was 20.1 MB. Max. memory is 50.3 GB. 14.20/7.55 * Boogie Preprocessor took 21.13 ms. Allocated memory is still 664.3 MB. Free memory was 630.7 MB in the beginning and 628.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 14.20/7.55 * RCFGBuilder took 225.17 ms. Allocated memory is still 664.3 MB. Free memory was 627.6 MB in the beginning and 614.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 50.3 GB. 14.20/7.55 * BlockEncodingV2 took 76.66 ms. Allocated memory is still 664.3 MB. Free memory was 614.5 MB in the beginning and 609.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 14.20/7.55 * TraceAbstraction took 157.99 ms. Allocated memory is still 664.3 MB. Free memory was 609.1 MB in the beginning and 599.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 14.20/7.55 * BuchiAutomizer took 1248.33 ms. Allocated memory is still 664.3 MB. Free memory was 599.7 MB in the beginning and 495.5 MB in the end (delta: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 50.3 GB. 14.20/7.55 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 14.20/7.55 - AllSpecificationsHoldResult: All specifications hold 14.20/7.55 We were not able to verify any specifiation because the program does not contain any specification. 14.20/7.55 - InvariantResult [Line: 9]: Loop Invariant 14.20/7.55 Derived loop invariant: 1 14.20/7.55 - InvariantResult [Line: 6]: Loop Invariant 14.20/7.55 Derived loop invariant: 1 14.20/7.55 - StatisticsResult: Ultimate Automizer benchmark data 14.20/7.55 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 14.20/7.55 - StatisticsResult: Constructed decomposition of program 14.20/7.55 Your program was decomposed into 2 terminating modules (0 trivial, 0 deterministic, 2 nondeterministic). One nondeterministic module has affine ranking function 2 * x + 1 and consists of 3 locations. One nondeterministic module has affine ranking function x + -1 * y and consists of 3 locations. 14.20/7.55 - StatisticsResult: Timing statistics 14.20/7.55 BüchiAutomizer plugin needed 1.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 9 SDslu, 0 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf100 lsp83 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq157 hnf93 smp94 dnf100 smp100 tf111 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 28ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s 14.20/7.55 - TerminationAnalysisResult: Termination proven 14.20/7.55 Buchi Automizer proved that your program is terminating 14.20/7.55 RESULT: Ultimate proved your program to be correct! 14.20/7.55 !SESSION 2019-03-28 12:11:45.772 ----------------------------------------------- 14.20/7.55 eclipse.buildId=unknown 14.20/7.55 java.version=1.8.0_181 14.20/7.55 java.vendor=Oracle Corporation 14.20/7.55 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 14.20/7.55 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox2/benchmark/theBenchmark.c 14.20/7.55 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 14.20/7.55 14.20/7.55 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:11:51.804 14.20/7.55 !MESSAGE The workspace will exit with unsaved changes in this session. 14.20/7.55 Received shutdown request... 14.20/7.55 Ultimate: 14.20/7.55 GTK+ Version Check 14.20/7.55 EOF