15.69/8.62 YES 15.69/8.62 15.69/8.62 Ultimate: Cannot open display: 15.69/8.62 This is Ultimate 0.1.24-8dc7c08-m 15.69/8.62 [2019-03-28 12:13:17,677 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.69/8.62 [2019-03-28 12:13:17,679 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.69/8.62 [2019-03-28 12:13:17,691 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.69/8.62 [2019-03-28 12:13:17,691 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.69/8.62 [2019-03-28 12:13:17,692 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.69/8.62 [2019-03-28 12:13:17,693 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.69/8.62 [2019-03-28 12:13:17,695 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.69/8.62 [2019-03-28 12:13:17,696 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.69/8.62 [2019-03-28 12:13:17,697 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.69/8.62 [2019-03-28 12:13:17,698 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.69/8.62 [2019-03-28 12:13:17,698 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.69/8.62 [2019-03-28 12:13:17,699 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.69/8.62 [2019-03-28 12:13:17,700 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.69/8.62 [2019-03-28 12:13:17,701 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.69/8.62 [2019-03-28 12:13:17,702 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.69/8.62 [2019-03-28 12:13:17,702 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.69/8.62 [2019-03-28 12:13:17,704 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.69/8.62 [2019-03-28 12:13:17,706 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.69/8.62 [2019-03-28 12:13:17,708 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.69/8.62 [2019-03-28 12:13:17,709 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.69/8.62 [2019-03-28 12:13:17,710 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.69/8.62 [2019-03-28 12:13:17,712 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.69/8.62 [2019-03-28 12:13:17,712 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.69/8.62 [2019-03-28 12:13:17,712 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.69/8.62 [2019-03-28 12:13:17,713 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.69/8.62 [2019-03-28 12:13:17,713 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.69/8.62 [2019-03-28 12:13:17,714 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.69/8.62 [2019-03-28 12:13:17,714 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.69/8.62 [2019-03-28 12:13:17,715 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.69/8.62 [2019-03-28 12:13:17,716 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.69/8.62 [2019-03-28 12:13:17,717 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.69/8.62 [2019-03-28 12:13:17,718 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.69/8.62 [2019-03-28 12:13:17,718 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.69/8.62 [2019-03-28 12:13:17,718 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.69/8.62 [2019-03-28 12:13:17,719 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.69/8.62 [2019-03-28 12:13:17,719 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.69/8.62 [2019-03-28 12:13:17,720 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.69/8.62 [2019-03-28 12:13:17,720 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.69/8.62 [2019-03-28 12:13:17,721 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.69/8.62 [2019-03-28 12:13:17,735 INFO L110 SettingsManager]: Loading preferences was successful 15.69/8.62 [2019-03-28 12:13:17,735 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.69/8.62 [2019-03-28 12:13:17,736 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.69/8.62 [2019-03-28 12:13:17,737 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.69/8.62 [2019-03-28 12:13:17,737 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.69/8.62 [2019-03-28 12:13:17,737 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.69/8.62 [2019-03-28 12:13:17,737 INFO L133 SettingsManager]: * Use SBE=true 15.69/8.62 [2019-03-28 12:13:17,737 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.69/8.62 [2019-03-28 12:13:17,737 INFO L133 SettingsManager]: * Use old map elimination=false 15.69/8.62 [2019-03-28 12:13:17,738 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.69/8.62 [2019-03-28 12:13:17,738 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.69/8.62 [2019-03-28 12:13:17,738 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.69/8.62 [2019-03-28 12:13:17,738 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.69/8.62 [2019-03-28 12:13:17,738 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.69/8.62 [2019-03-28 12:13:17,738 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:17,739 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.69/8.62 [2019-03-28 12:13:17,739 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.69/8.62 [2019-03-28 12:13:17,739 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.69/8.62 [2019-03-28 12:13:17,739 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.69/8.62 [2019-03-28 12:13:17,739 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.69/8.62 [2019-03-28 12:13:17,740 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.69/8.62 [2019-03-28 12:13:17,740 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.69/8.62 [2019-03-28 12:13:17,740 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.69/8.62 [2019-03-28 12:13:17,740 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.69/8.62 [2019-03-28 12:13:17,740 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.69/8.62 [2019-03-28 12:13:17,741 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.69/8.62 [2019-03-28 12:13:17,741 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.69/8.62 [2019-03-28 12:13:17,741 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.69/8.62 [2019-03-28 12:13:17,741 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.69/8.62 [2019-03-28 12:13:17,766 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.69/8.62 [2019-03-28 12:13:17,783 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.69/8.62 [2019-03-28 12:13:17,786 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.69/8.62 [2019-03-28 12:13:17,788 INFO L271 PluginConnector]: Initializing CDTParser... 15.69/8.62 [2019-03-28 12:13:17,788 INFO L276 PluginConnector]: CDTParser initialized 15.69/8.62 [2019-03-28 12:13:17,789 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.69/8.62 [2019-03-28 12:13:17,865 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/380e0b621db049929b986d2590eb5acb/FLAG5569e58e0 15.69/8.62 [2019-03-28 12:13:18,423 INFO L307 CDTParser]: Found 1 translation units. 15.69/8.62 [2019-03-28 12:13:18,424 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.69/8.62 [2019-03-28 12:13:18,430 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/380e0b621db049929b986d2590eb5acb/FLAG5569e58e0 15.69/8.62 [2019-03-28 12:13:18,817 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/380e0b621db049929b986d2590eb5acb 15.69/8.62 [2019-03-28 12:13:18,828 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.69/8.62 [2019-03-28 12:13:18,830 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.69/8.62 [2019-03-28 12:13:18,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.69/8.62 [2019-03-28 12:13:18,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.69/8.62 [2019-03-28 12:13:18,835 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.69/8.62 [2019-03-28 12:13:18,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:13:18" (1/1) ... 15.69/8.62 [2019-03-28 12:13:18,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f3d53a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:18, skipping insertion in model container 15.69/8.62 [2019-03-28 12:13:18,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:13:18" (1/1) ... 15.69/8.62 [2019-03-28 12:13:18,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.69/8.62 [2019-03-28 12:13:18,865 INFO L176 MainTranslator]: Built tables and reachable declarations 15.69/8.62 [2019-03-28 12:13:19,028 INFO L206 PostProcessor]: Analyzing one entry point: main 15.69/8.62 [2019-03-28 12:13:19,032 INFO L191 MainTranslator]: Completed pre-run 15.69/8.62 [2019-03-28 12:13:19,049 INFO L206 PostProcessor]: Analyzing one entry point: main 15.69/8.62 [2019-03-28 12:13:19,064 INFO L195 MainTranslator]: Completed translation 15.69/8.62 [2019-03-28 12:13:19,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:19 WrapperNode 15.69/8.62 [2019-03-28 12:13:19,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.69/8.62 [2019-03-28 12:13:19,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.69/8.62 [2019-03-28 12:13:19,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.69/8.62 [2019-03-28 12:13:19,072 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.69/8.62 [2019-03-28 12:13:19,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:19" (1/1) ... 15.69/8.62 [2019-03-28 12:13:19,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:19" (1/1) ... 15.69/8.62 [2019-03-28 12:13:19,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.69/8.62 [2019-03-28 12:13:19,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.69/8.62 [2019-03-28 12:13:19,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.69/8.62 [2019-03-28 12:13:19,168 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.69/8.62 [2019-03-28 12:13:19,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:19" (1/1) ... 15.69/8.62 [2019-03-28 12:13:19,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:19" (1/1) ... 15.69/8.62 [2019-03-28 12:13:19,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:19" (1/1) ... 15.69/8.62 [2019-03-28 12:13:19,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:19" (1/1) ... 15.69/8.62 [2019-03-28 12:13:19,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:19" (1/1) ... 15.69/8.62 [2019-03-28 12:13:19,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:19" (1/1) ... 15.69/8.62 [2019-03-28 12:13:19,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:19" (1/1) ... 15.69/8.62 [2019-03-28 12:13:19,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.69/8.62 [2019-03-28 12:13:19,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.69/8.62 [2019-03-28 12:13:19,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.69/8.62 [2019-03-28 12:13:19,186 INFO L276 PluginConnector]: RCFGBuilder initialized 15.69/8.62 [2019-03-28 12:13:19,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:19" (1/1) ... 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.69/8.62 [2019-03-28 12:13:19,261 INFO L130 BoogieDeclarations]: Found specification of procedure rec1 15.69/8.62 [2019-03-28 12:13:19,262 INFO L138 BoogieDeclarations]: Found implementation of procedure rec1 15.69/8.62 [2019-03-28 12:13:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure rec2 15.69/8.62 [2019-03-28 12:13:19,262 INFO L138 BoogieDeclarations]: Found implementation of procedure rec2 15.69/8.62 [2019-03-28 12:13:19,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.69/8.62 [2019-03-28 12:13:19,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.69/8.62 [2019-03-28 12:13:19,396 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.69/8.62 [2019-03-28 12:13:19,396 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. 15.69/8.62 [2019-03-28 12:13:19,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:13:19 BoogieIcfgContainer 15.69/8.62 [2019-03-28 12:13:19,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.69/8.62 [2019-03-28 12:13:19,398 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.69/8.62 [2019-03-28 12:13:19,398 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.69/8.62 [2019-03-28 12:13:19,400 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.69/8.62 [2019-03-28 12:13:19,401 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:13:19" (1/1) ... 15.69/8.62 [2019-03-28 12:13:19,417 INFO L313 BlockEncoder]: Initial Icfg 20 locations, 24 edges 15.69/8.62 [2019-03-28 12:13:19,419 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.69/8.62 [2019-03-28 12:13:19,419 INFO L263 BlockEncoder]: Using Maximize final states 15.69/8.62 [2019-03-28 12:13:19,420 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.69/8.62 [2019-03-28 12:13:19,420 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.69/8.62 [2019-03-28 12:13:19,422 INFO L296 BlockEncoder]: Using Remove sink states 15.69/8.62 [2019-03-28 12:13:19,423 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.69/8.62 [2019-03-28 12:13:19,423 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.69/8.62 [2019-03-28 12:13:19,437 INFO L185 BlockEncoder]: Using Use SBE 15.69/8.62 [2019-03-28 12:13:19,445 INFO L200 BlockEncoder]: SBE split 0 edges 15.69/8.62 [2019-03-28 12:13:19,450 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.69/8.62 [2019-03-28 12:13:19,452 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.69/8.62 [2019-03-28 12:13:19,462 INFO L100 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding 15.69/8.62 [2019-03-28 12:13:19,465 INFO L70 RemoveSinkStates]: Removed 2 edges and 2 locations by removing sink states 15.69/8.62 [2019-03-28 12:13:19,467 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.69/8.62 [2019-03-28 12:13:19,467 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.69/8.62 [2019-03-28 12:13:19,467 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.69/8.62 [2019-03-28 12:13:19,468 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.69/8.62 [2019-03-28 12:13:19,468 INFO L313 BlockEncoder]: Encoded RCFG 16 locations, 20 edges 15.69/8.62 [2019-03-28 12:13:19,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:13:19 BasicIcfg 15.69/8.62 [2019-03-28 12:13:19,469 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.69/8.62 [2019-03-28 12:13:19,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.69/8.62 [2019-03-28 12:13:19,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.69/8.62 [2019-03-28 12:13:19,473 INFO L276 PluginConnector]: TraceAbstraction initialized 15.69/8.62 [2019-03-28 12:13:19,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:13:18" (1/4) ... 15.69/8.62 [2019-03-28 12:13:19,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf2c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:13:19, skipping insertion in model container 15.69/8.62 [2019-03-28 12:13:19,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:19" (2/4) ... 15.69/8.62 [2019-03-28 12:13:19,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf2c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:13:19, skipping insertion in model container 15.69/8.62 [2019-03-28 12:13:19,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:13:19" (3/4) ... 15.69/8.62 [2019-03-28 12:13:19,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf2c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:13:19, skipping insertion in model container 15.69/8.62 [2019-03-28 12:13:19,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:13:19" (4/4) ... 15.69/8.62 [2019-03-28 12:13:19,477 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.69/8.62 [2019-03-28 12:13:19,487 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.69/8.62 [2019-03-28 12:13:19,501 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.69/8.62 [2019-03-28 12:13:19,519 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.69/8.62 [2019-03-28 12:13:19,548 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.69/8.62 [2019-03-28 12:13:19,548 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.69/8.62 [2019-03-28 12:13:19,548 INFO L383 AbstractCegarLoop]: Hoare is true 15.69/8.62 [2019-03-28 12:13:19,549 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.69/8.62 [2019-03-28 12:13:19,549 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.69/8.62 [2019-03-28 12:13:19,549 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.69/8.62 [2019-03-28 12:13:19,549 INFO L387 AbstractCegarLoop]: Difference is false 15.69/8.62 [2019-03-28 12:13:19,549 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.69/8.62 [2019-03-28 12:13:19,549 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.69/8.62 [2019-03-28 12:13:19,567 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. 15.69/8.62 [2019-03-28 12:13:19,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.69/8.62 [2019-03-28 12:13:19,580 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. 15.69/8.62 [2019-03-28 12:13:19,643 INFO L451 ceAbstractionStarter]: At program point rec1ENTRY(lines 5 9) the Hoare annotation is: true 15.69/8.62 [2019-03-28 12:13:19,643 INFO L448 ceAbstractionStarter]: For program point rec1FINAL(lines 5 9) no Hoare annotation was computed. 15.69/8.62 [2019-03-28 12:13:19,643 INFO L448 ceAbstractionStarter]: For program point rec1EXIT(lines 5 9) no Hoare annotation was computed. 15.69/8.62 [2019-03-28 12:13:19,644 INFO L451 ceAbstractionStarter]: At program point L8(line 8) the Hoare annotation is: true 15.69/8.62 [2019-03-28 12:13:19,644 INFO L451 ceAbstractionStarter]: At program point L8-1(line 8) the Hoare annotation is: true 15.69/8.62 [2019-03-28 12:13:19,644 INFO L448 ceAbstractionStarter]: For program point L6(lines 6 7) no Hoare annotation was computed. 15.69/8.62 [2019-03-28 12:13:19,644 INFO L448 ceAbstractionStarter]: For program point L8-2(line 8) no Hoare annotation was computed. 15.69/8.62 [2019-03-28 12:13:19,644 INFO L451 ceAbstractionStarter]: At program point L14(line 14) the Hoare annotation is: true 15.69/8.62 [2019-03-28 12:13:19,645 INFO L451 ceAbstractionStarter]: At program point L14-1(line 14) the Hoare annotation is: true 15.69/8.62 [2019-03-28 12:13:19,645 INFO L448 ceAbstractionStarter]: For program point L12(lines 12 13) no Hoare annotation was computed. 15.69/8.62 [2019-03-28 12:13:19,645 INFO L448 ceAbstractionStarter]: For program point L14-2(line 14) no Hoare annotation was computed. 15.69/8.62 [2019-03-28 12:13:19,645 INFO L451 ceAbstractionStarter]: At program point rec2ENTRY(lines 11 15) the Hoare annotation is: true 15.69/8.62 [2019-03-28 12:13:19,645 INFO L448 ceAbstractionStarter]: For program point rec2FINAL(lines 11 15) no Hoare annotation was computed. 15.69/8.62 [2019-03-28 12:13:19,645 INFO L448 ceAbstractionStarter]: For program point rec2EXIT(lines 11 15) no Hoare annotation was computed. 15.69/8.62 [2019-03-28 12:13:19,646 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.69/8.62 [2019-03-28 12:13:19,646 INFO L451 ceAbstractionStarter]: At program point L19(line 19) the Hoare annotation is: true 15.69/8.62 [2019-03-28 12:13:19,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:13:19 BasicIcfg 15.69/8.62 [2019-03-28 12:13:19,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.69/8.62 [2019-03-28 12:13:19,650 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.69/8.62 [2019-03-28 12:13:19,650 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.69/8.62 [2019-03-28 12:13:19,654 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.69/8.62 [2019-03-28 12:13:19,655 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.69/8.62 [2019-03-28 12:13:19,655 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.03 12:13:18" (1/5) ... 15.69/8.62 [2019-03-28 12:13:19,656 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48f7723e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:13:19, skipping insertion in model container 15.69/8.62 [2019-03-28 12:13:19,656 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.69/8.62 [2019-03-28 12:13:19,656 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:13:19" (2/5) ... 15.69/8.62 [2019-03-28 12:13:19,656 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48f7723e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.03 12:13:19, skipping insertion in model container 15.69/8.62 [2019-03-28 12:13:19,657 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.69/8.62 [2019-03-28 12:13:19,657 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:13:19" (3/5) ... 15.69/8.62 [2019-03-28 12:13:19,657 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48f7723e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:13:19, skipping insertion in model container 15.69/8.62 [2019-03-28 12:13:19,657 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.69/8.62 [2019-03-28 12:13:19,657 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 28.03 12:13:19" (4/5) ... 15.69/8.62 [2019-03-28 12:13:19,658 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48f7723e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:13:19, skipping insertion in model container 15.69/8.62 [2019-03-28 12:13:19,658 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.69/8.62 [2019-03-28 12:13:19,658 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:13:19" (5/5) ... 15.69/8.62 [2019-03-28 12:13:19,660 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.69/8.62 [2019-03-28 12:13:19,689 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.69/8.62 [2019-03-28 12:13:19,689 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.69/8.62 [2019-03-28 12:13:19,689 INFO L375 BuchiCegarLoop]: Hoare is true 15.69/8.62 [2019-03-28 12:13:19,689 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.69/8.62 [2019-03-28 12:13:19,689 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.69/8.62 [2019-03-28 12:13:19,690 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.69/8.62 [2019-03-28 12:13:19,690 INFO L379 BuchiCegarLoop]: Difference is false 15.69/8.62 [2019-03-28 12:13:19,690 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.69/8.62 [2019-03-28 12:13:19,690 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.69/8.62 [2019-03-28 12:13:19,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. 15.69/8.62 [2019-03-28 12:13:19,715 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 15.69/8.62 [2019-03-28 12:13:19,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.69/8.62 [2019-03-28 12:13:19,716 INFO L119 BuchiIsEmpty]: Starting construction of run 15.69/8.62 [2019-03-28 12:13:19,723 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.69/8.62 [2019-03-28 12:13:19,723 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.69/8.62 [2019-03-28 12:13:19,723 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.69/8.62 [2019-03-28 12:13:19,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. 15.69/8.62 [2019-03-28 12:13:19,725 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 15.69/8.62 [2019-03-28 12:13:19,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.69/8.62 [2019-03-28 12:13:19,726 INFO L119 BuchiIsEmpty]: Starting construction of run 15.69/8.62 [2019-03-28 12:13:19,726 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.69/8.62 [2019-03-28 12:13:19,726 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.69/8.62 [2019-03-28 12:13:19,731 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue [47] ULTIMATE.startENTRY-->L19: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet4_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~ret5=|v_ULTIMATE.start_main_#t~ret5_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet4_4|] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~ret5, ULTIMATE.start_main_~x~0] 10#L19true [45] L19-->rec2ENTRY: Formula: (= |v_rec2_#in~jInParam_3| v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_3|} AuxVars[] AssignedVars[rec2_#in~j]< 3#rec2ENTRYtrue 15.69/8.62 [2019-03-28 12:13:19,732 INFO L796 eck$LassoCheckResult]: Loop: 3#rec2ENTRYtrue [35] rec2ENTRY-->L12: Formula: (= v_rec2_~j_1 |v_rec2_#in~j_1|) InVars {rec2_#in~j=|v_rec2_#in~j_1|} OutVars{rec2_~j=v_rec2_~j_1, rec2_#in~j=|v_rec2_#in~j_1|} AuxVars[] AssignedVars[rec2_~j] 4#L12true [59] L12-->L14: Formula: (> v_rec2_~j_3 0) InVars {rec2_~j=v_rec2_~j_3} OutVars{rec2_~j=v_rec2_~j_3} AuxVars[] AssignedVars[] 8#L14true [42] L14-->rec2ENTRY: Formula: (= |v_rec2_#in~jInParam_2| (+ v_rec2_~j_5 (- 1))) InVars {rec2_~j=v_rec2_~j_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_2|} AuxVars[] AssignedVars[rec2_#in~j]< 3#rec2ENTRYtrue 15.69/8.62 [2019-03-28 12:13:19,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/8.62 [2019-03-28 12:13:19,738 INFO L82 PathProgramCache]: Analyzing trace with hash 2463, now seen corresponding path program 1 times 15.69/8.62 [2019-03-28 12:13:19,740 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/8.62 [2019-03-28 12:13:19,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/8.62 [2019-03-28 12:13:19,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:19,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:19,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/8.62 [2019-03-28 12:13:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/8.62 [2019-03-28 12:13:19,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/8.62 [2019-03-28 12:13:19,807 INFO L82 PathProgramCache]: Analyzing trace with hash 65297, now seen corresponding path program 1 times 15.69/8.62 [2019-03-28 12:13:19,807 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/8.62 [2019-03-28 12:13:19,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/8.62 [2019-03-28 12:13:19,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:19,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:19,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/8.62 [2019-03-28 12:13:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/8.62 [2019-03-28 12:13:19,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/8.62 [2019-03-28 12:13:19,826 INFO L82 PathProgramCache]: Analyzing trace with hash 73410739, now seen corresponding path program 1 times 15.69/8.62 [2019-03-28 12:13:19,826 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/8.62 [2019-03-28 12:13:19,827 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/8.62 [2019-03-28 12:13:19,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:19,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:19,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/8.62 [2019-03-28 12:13:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/8.62 [2019-03-28 12:13:19,910 INFO L216 LassoAnalysis]: Preferences: 15.69/8.62 [2019-03-28 12:13:19,911 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.69/8.62 [2019-03-28 12:13:19,911 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.69/8.62 [2019-03-28 12:13:19,912 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.69/8.62 [2019-03-28 12:13:19,912 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.69/8.62 [2019-03-28 12:13:19,912 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:19,912 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.69/8.62 [2019-03-28 12:13:19,912 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.69/8.62 [2019-03-28 12:13:19,913 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.69/8.62 [2019-03-28 12:13:19,913 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.69/8.62 [2019-03-28 12:13:19,913 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.69/8.62 [2019-03-28 12:13:19,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:19,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:19,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:19,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:19,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:20,001 INFO L300 LassoAnalysis]: Preprocessing complete. 15.69/8.62 [2019-03-28 12:13:20,002 INFO L412 LassoAnalysis]: Checking for nontermination... 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:20,010 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/8.62 [2019-03-28 12:13:20,010 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/8.62 [2019-03-28 12:13:20,020 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/8.62 [2019-03-28 12:13:20,020 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec2_#res=0} Honda state: {rec2_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:20,049 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/8.62 [2019-03-28 12:13:20,049 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/8.62 [2019-03-28 12:13:20,053 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/8.62 [2019-03-28 12:13:20,053 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec2_#t~ret2=0} Honda state: {rec2_#t~ret2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:20,080 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/8.62 [2019-03-28 12:13:20,080 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/8.62 [2019-03-28 12:13:20,084 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/8.62 [2019-03-28 12:13:20,084 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec2_#t~ret3=0} Honda state: {rec2_#t~ret3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:20,111 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/8.62 [2019-03-28 12:13:20,111 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:20,141 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.69/8.62 [2019-03-28 12:13:20,141 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/8.62 [2019-03-28 12:13:20,173 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.69/8.62 [2019-03-28 12:13:20,175 INFO L216 LassoAnalysis]: Preferences: 15.69/8.62 [2019-03-28 12:13:20,176 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.69/8.62 [2019-03-28 12:13:20,176 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.69/8.62 [2019-03-28 12:13:20,176 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.69/8.62 [2019-03-28 12:13:20,176 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.69/8.62 [2019-03-28 12:13:20,176 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:20,176 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.69/8.62 [2019-03-28 12:13:20,177 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.69/8.62 [2019-03-28 12:13:20,177 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.69/8.62 [2019-03-28 12:13:20,177 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.69/8.62 [2019-03-28 12:13:20,177 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.69/8.62 [2019-03-28 12:13:20,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:20,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:20,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:20,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:20,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:20,238 INFO L300 LassoAnalysis]: Preprocessing complete. 15.69/8.62 [2019-03-28 12:13:20,244 INFO L497 LassoAnalysis]: Using template 'affine'. 15.69/8.62 [2019-03-28 12:13:20,246 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.69/8.62 Termination analysis: LINEAR_WITH_GUESSES 15.69/8.62 Number of strict supporting invariants: 0 15.69/8.62 Number of non-strict supporting invariants: 1 15.69/8.62 Consider only non-deceasing supporting invariants: true 15.69/8.62 Simplify termination arguments: true 15.69/8.62 Simplify supporting invariants: trueOverapproximate stem: false 15.69/8.62 [2019-03-28 12:13:20,247 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.69/8.62 [2019-03-28 12:13:20,247 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.69/8.62 [2019-03-28 12:13:20,248 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.69/8.62 [2019-03-28 12:13:20,248 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.69/8.62 [2019-03-28 12:13:20,248 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.69/8.62 [2019-03-28 12:13:20,251 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.69/8.62 [2019-03-28 12:13:20,251 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.69/8.62 [2019-03-28 12:13:20,255 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.69/8.62 [2019-03-28 12:13:20,256 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.69/8.62 Termination analysis: LINEAR_WITH_GUESSES 15.69/8.62 Number of strict supporting invariants: 0 15.69/8.62 Number of non-strict supporting invariants: 1 15.69/8.62 Consider only non-deceasing supporting invariants: true 15.69/8.62 Simplify termination arguments: true 15.69/8.62 Simplify supporting invariants: trueOverapproximate stem: false 15.69/8.62 [2019-03-28 12:13:20,257 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.69/8.62 [2019-03-28 12:13:20,257 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.69/8.62 [2019-03-28 12:13:20,257 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.69/8.62 [2019-03-28 12:13:20,257 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.69/8.62 [2019-03-28 12:13:20,257 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.69/8.62 [2019-03-28 12:13:20,258 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.69/8.62 [2019-03-28 12:13:20,258 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.69/8.62 [2019-03-28 12:13:20,260 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.69/8.62 [2019-03-28 12:13:20,260 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.69/8.62 Termination analysis: LINEAR_WITH_GUESSES 15.69/8.62 Number of strict supporting invariants: 0 15.69/8.62 Number of non-strict supporting invariants: 1 15.69/8.62 Consider only non-deceasing supporting invariants: true 15.69/8.62 Simplify termination arguments: true 15.69/8.62 Simplify supporting invariants: trueOverapproximate stem: false 15.69/8.62 [2019-03-28 12:13:20,261 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.69/8.62 [2019-03-28 12:13:20,261 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.69/8.62 [2019-03-28 12:13:20,261 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.69/8.62 [2019-03-28 12:13:20,261 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.69/8.62 [2019-03-28 12:13:20,261 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.69/8.62 [2019-03-28 12:13:20,262 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.69/8.62 [2019-03-28 12:13:20,262 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.69/8.62 [2019-03-28 12:13:20,264 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.69/8.62 [2019-03-28 12:13:20,264 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.69/8.62 Termination analysis: LINEAR_WITH_GUESSES 15.69/8.62 Number of strict supporting invariants: 0 15.69/8.62 Number of non-strict supporting invariants: 1 15.69/8.62 Consider only non-deceasing supporting invariants: true 15.69/8.62 Simplify termination arguments: true 15.69/8.62 Simplify supporting invariants: trueOverapproximate stem: false 15.69/8.62 [2019-03-28 12:13:20,265 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.69/8.62 [2019-03-28 12:13:20,265 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.69/8.62 [2019-03-28 12:13:20,265 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.69/8.62 [2019-03-28 12:13:20,265 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.69/8.62 [2019-03-28 12:13:20,266 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.69/8.62 [2019-03-28 12:13:20,266 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.69/8.62 [2019-03-28 12:13:20,267 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.69/8.62 [2019-03-28 12:13:20,273 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.69/8.62 [2019-03-28 12:13:20,278 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.69/8.62 [2019-03-28 12:13:20,278 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 15.69/8.62 [2019-03-28 12:13:20,280 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.69/8.62 [2019-03-28 12:13:20,281 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.69/8.62 [2019-03-28 12:13:20,281 INFO L518 LassoAnalysis]: Proved termination. 15.69/8.62 [2019-03-28 12:13:20,281 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.69/8.62 Ranking function f(rec2_#in~j) = 1*rec2_#in~j 15.69/8.62 Supporting invariants [] 15.69/8.62 [2019-03-28 12:13:20,283 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.69/8.62 [2019-03-28 12:13:20,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/8.62 [2019-03-28 12:13:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.69/8.62 [2019-03-28 12:13:20,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core 15.69/8.62 [2019-03-28 12:13:20,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.69/8.62 [2019-03-28 12:13:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.69/8.62 [2019-03-28 12:13:20,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 7 conjunts are in the unsatisfiable core 15.69/8.62 [2019-03-28 12:13:20,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.69/8.62 [2019-03-28 12:13:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.69/8.62 [2019-03-28 12:13:20,420 INFO L98 LoopCannibalizer]: 3 predicates before loop cannibalization 3 predicates after loop cannibalization 15.69/8.62 [2019-03-28 12:13:20,425 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 15.69/8.62 [2019-03-28 12:13:20,427 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 16 states. Second operand 4 states. 15.69/8.62 [2019-03-28 12:13:20,513 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 16 states.. Second operand 4 states. Result 38 states and 48 transitions. Complement of second has 16 states. 15.69/8.62 [2019-03-28 12:13:20,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states 15.69/8.62 [2019-03-28 12:13:20,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 15.69/8.62 [2019-03-28 12:13:20,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. 15.69/8.62 [2019-03-28 12:13:20,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 2 letters. Loop has 3 letters. 15.69/8.62 [2019-03-28 12:13:20,522 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.69/8.62 [2019-03-28 12:13:20,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 5 letters. Loop has 3 letters. 15.69/8.62 [2019-03-28 12:13:20,522 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.69/8.62 [2019-03-28 12:13:20,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 2 letters. Loop has 6 letters. 15.69/8.62 [2019-03-28 12:13:20,523 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.69/8.62 [2019-03-28 12:13:20,530 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. 15.69/8.62 [2019-03-28 12:13:20,534 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 15.69/8.62 [2019-03-28 12:13:20,542 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 27 states and 36 transitions. 15.69/8.62 [2019-03-28 12:13:20,543 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 15.69/8.62 [2019-03-28 12:13:20,543 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 15.69/8.62 [2019-03-28 12:13:20,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 36 transitions. 15.69/8.62 [2019-03-28 12:13:20,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.69/8.62 [2019-03-28 12:13:20,544 INFO L706 BuchiCegarLoop]: Abstraction has 27 states and 36 transitions. 15.69/8.62 [2019-03-28 12:13:20,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 36 transitions. 15.69/8.62 [2019-03-28 12:13:20,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. 15.69/8.62 [2019-03-28 12:13:20,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. 15.69/8.62 [2019-03-28 12:13:20,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. 15.69/8.62 [2019-03-28 12:13:20,580 INFO L729 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. 15.69/8.62 [2019-03-28 12:13:20,580 INFO L609 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. 15.69/8.62 [2019-03-28 12:13:20,580 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.69/8.62 [2019-03-28 12:13:20,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 34 transitions. 15.69/8.62 [2019-03-28 12:13:20,582 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 15.69/8.62 [2019-03-28 12:13:20,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.69/8.62 [2019-03-28 12:13:20,582 INFO L119 BuchiIsEmpty]: Starting construction of run 15.69/8.62 [2019-03-28 12:13:20,583 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] 15.69/8.62 [2019-03-28 12:13:20,583 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.69/8.62 [2019-03-28 12:13:20,584 INFO L794 eck$LassoCheckResult]: Stem: 132#ULTIMATE.startENTRY [47] ULTIMATE.startENTRY-->L19: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet4_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~ret5=|v_ULTIMATE.start_main_#t~ret5_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet4_4|] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~ret5, ULTIMATE.start_main_~x~0] 111#L19 [45] L19-->rec2ENTRY: Formula: (= |v_rec2_#in~jInParam_3| v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_3|} AuxVars[] AssignedVars[rec2_#in~j]< 110#rec2ENTRY [35] rec2ENTRY-->L12: Formula: (= v_rec2_~j_1 |v_rec2_#in~j_1|) InVars {rec2_#in~j=|v_rec2_#in~j_1|} OutVars{rec2_~j=v_rec2_~j_1, rec2_#in~j=|v_rec2_#in~j_1|} AuxVars[] AssignedVars[rec2_~j] 112#L12 [59] L12-->L14: Formula: (> v_rec2_~j_3 0) InVars {rec2_~j=v_rec2_~j_3} OutVars{rec2_~j=v_rec2_~j_3} AuxVars[] AssignedVars[] 115#L14 [42] L14-->rec2ENTRY: Formula: (= |v_rec2_#in~jInParam_2| (+ v_rec2_~j_5 (- 1))) InVars {rec2_~j=v_rec2_~j_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_2|} AuxVars[] AssignedVars[rec2_#in~j]< 113#rec2ENTRY [35] rec2ENTRY-->L12: Formula: (= v_rec2_~j_1 |v_rec2_#in~j_1|) InVars {rec2_#in~j=|v_rec2_#in~j_1|} OutVars{rec2_~j=v_rec2_~j_1, rec2_#in~j=|v_rec2_#in~j_1|} AuxVars[] AssignedVars[rec2_~j] 117#L12 [36] L12-->rec2FINAL: Formula: (and (<= v_rec2_~j_2 0) (= |v_rec2_#res_2| 0)) InVars {rec2_~j=v_rec2_~j_2} OutVars{rec2_~j=v_rec2_~j_2, rec2_#res=|v_rec2_#res_2|} AuxVars[] AssignedVars[rec2_#res] 118#rec2FINAL [44] rec2FINAL-->rec2EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 131#rec2EXIT >[54] rec2EXIT-->L14-1: AOR: Formula: (= |v_rec2_#t~ret2_4| |v_rec2_#resOutParam_2|) InVars {rec2_#res=|v_rec2_#resOutParam_2|} OutVars{rec2_#t~ret2=|v_rec2_#t~ret2_4|} AuxVars[] AssignedVars[rec2_#t~ret2] LVA: Formula: (= |v_rec2_#in~jInParam_2| (+ v_rec2_~j_5 (- 1))) InVars {rec2_~j=v_rec2_~j_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_2|} AuxVars[] AssignedVars[rec2_#in~j] 125#L14-1 [46] L14-1-->rec1ENTRY: Formula: (= |v_rec1_#in~iInParam_2| |v_rec2_#t~ret2_5|) InVars {rec2_#t~ret2=|v_rec2_#t~ret2_5|} OutVars{rec1_#in~i=|v_rec1_#in~iInParam_2|} AuxVars[] AssignedVars[rec1_#in~i]< 123#rec1ENTRY 15.69/8.62 [2019-03-28 12:13:20,584 INFO L796 eck$LassoCheckResult]: Loop: 123#rec1ENTRY [39] rec1ENTRY-->L6: Formula: (= v_rec1_~i_1 |v_rec1_#in~i_1|) InVars {rec1_#in~i=|v_rec1_#in~i_1|} OutVars{rec1_#in~i=|v_rec1_#in~i_1|, rec1_~i=v_rec1_~i_1} AuxVars[] AssignedVars[rec1_~i] 127#L6 [60] L6-->L8: Formula: (> v_rec1_~i_3 0) InVars {rec1_~i=v_rec1_~i_3} OutVars{rec1_~i=v_rec1_~i_3} AuxVars[] AssignedVars[] 126#L8 [49] L8-->rec1ENTRY: Formula: (= |v_rec1_#in~iInParam_1| (+ v_rec1_~i_5 1)) InVars {rec1_~i=v_rec1_~i_5} OutVars{rec1_#in~i=|v_rec1_#in~iInParam_1|} AuxVars[] AssignedVars[rec1_#in~i]< 123#rec1ENTRY 15.69/8.62 [2019-03-28 12:13:20,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/8.62 [2019-03-28 12:13:20,585 INFO L82 PathProgramCache]: Analyzing trace with hash 753569552, now seen corresponding path program 1 times 15.69/8.62 [2019-03-28 12:13:20,585 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/8.62 [2019-03-28 12:13:20,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/8.62 [2019-03-28 12:13:20,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:20,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:20,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/8.62 [2019-03-28 12:13:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/8.62 [2019-03-28 12:13:20,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/8.62 [2019-03-28 12:13:20,598 INFO L82 PathProgramCache]: Analyzing trace with hash 69179, now seen corresponding path program 1 times 15.69/8.62 [2019-03-28 12:13:20,598 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/8.62 [2019-03-28 12:13:20,598 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/8.62 [2019-03-28 12:13:20,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:20,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:20,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/8.62 [2019-03-28 12:13:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/8.62 [2019-03-28 12:13:20,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/8.62 [2019-03-28 12:13:20,604 INFO L82 PathProgramCache]: Analyzing trace with hash -203493172, now seen corresponding path program 1 times 15.69/8.62 [2019-03-28 12:13:20,604 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/8.62 [2019-03-28 12:13:20,605 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/8.62 [2019-03-28 12:13:20,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:20,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:20,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.69/8.62 [2019-03-28 12:13:20,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. 15.69/8.62 [2019-03-28 12:13:20,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.69/8.62 [2019-03-28 12:13:20,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 15.69/8.62 [2019-03-28 12:13:20,696 INFO L216 LassoAnalysis]: Preferences: 15.69/8.62 [2019-03-28 12:13:20,696 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.69/8.62 [2019-03-28 12:13:20,696 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.69/8.62 [2019-03-28 12:13:20,697 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.69/8.62 [2019-03-28 12:13:20,697 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.69/8.62 [2019-03-28 12:13:20,697 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:20,697 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.69/8.62 [2019-03-28 12:13:20,697 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.69/8.62 [2019-03-28 12:13:20,697 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.69/8.62 [2019-03-28 12:13:20,697 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.69/8.62 [2019-03-28 12:13:20,698 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.69/8.62 [2019-03-28 12:13:20,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:20,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:20,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:20,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:20,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:20,741 INFO L300 LassoAnalysis]: Preprocessing complete. 15.69/8.62 [2019-03-28 12:13:20,741 INFO L412 LassoAnalysis]: Checking for nontermination... 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:20,744 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/8.62 [2019-03-28 12:13:20,745 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:20,777 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.69/8.62 [2019-03-28 12:13:20,777 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/8.62 [2019-03-28 12:13:20,789 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/8.62 [2019-03-28 12:13:20,790 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec1_#in~i=1} Honda state: {rec1_#in~i=1} Generalized eigenvectors: [{rec1_#in~i=1}, {rec1_#in~i=0}, {rec1_#in~i=0}] Lambdas: [1, 0, 0] Nus: [0, 0] 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:20,818 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/8.62 [2019-03-28 12:13:20,818 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/8.62 [2019-03-28 12:13:20,822 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/8.62 [2019-03-28 12:13:20,822 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec1_#res=0} Honda state: {rec1_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:20,850 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/8.62 [2019-03-28 12:13:20,851 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/8.62 [2019-03-28 12:13:20,854 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/8.62 [2019-03-28 12:13:20,854 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec1_#t~ret1=0} Honda state: {rec1_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:20,883 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/8.62 [2019-03-28 12:13:20,883 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/8.62 [2019-03-28 12:13:20,887 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/8.62 [2019-03-28 12:13:20,887 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec1_#t~ret0=0} Honda state: {rec1_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:20,916 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/8.62 [2019-03-28 12:13:20,916 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/8.62 [2019-03-28 12:13:20,920 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/8.62 [2019-03-28 12:13:20,920 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec1_~i=0} Honda state: {rec1_~i=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.69/8.62 [2019-03-28 12:13:20,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. 15.69/8.62 [2019-03-28 12:13:20,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 15.69/8.62 [2019-03-28 12:13:20,948 INFO L87 Difference]: Start difference. First operand 26 states and 34 transitions. cyclomatic complexity: 10 Second operand 6 states. 15.69/8.62 [2019-03-28 12:13:21,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.69/8.62 [2019-03-28 12:13:21,007 INFO L93 Difference]: Finished difference Result 36 states and 46 transitions. 15.69/8.62 [2019-03-28 12:13:21,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 15.69/8.62 [2019-03-28 12:13:21,011 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 46 transitions. 15.69/8.62 [2019-03-28 12:13:21,014 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 15.69/8.62 [2019-03-28 12:13:21,016 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 35 states and 44 transitions. 15.69/8.62 [2019-03-28 12:13:21,016 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 15.69/8.62 [2019-03-28 12:13:21,017 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 15.69/8.62 [2019-03-28 12:13:21,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 44 transitions. 15.69/8.62 [2019-03-28 12:13:21,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.69/8.62 [2019-03-28 12:13:21,017 INFO L706 BuchiCegarLoop]: Abstraction has 35 states and 44 transitions. 15.69/8.62 [2019-03-28 12:13:21,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 44 transitions. 15.69/8.62 [2019-03-28 12:13:21,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. 15.69/8.62 [2019-03-28 12:13:21,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. 15.69/8.62 [2019-03-28 12:13:21,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. 15.69/8.62 [2019-03-28 12:13:21,023 INFO L729 BuchiCegarLoop]: Abstraction has 32 states and 40 transitions. 15.69/8.62 [2019-03-28 12:13:21,023 INFO L609 BuchiCegarLoop]: Abstraction has 32 states and 40 transitions. 15.69/8.62 [2019-03-28 12:13:21,023 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.69/8.62 [2019-03-28 12:13:21,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 40 transitions. 15.69/8.62 [2019-03-28 12:13:21,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 15.69/8.62 [2019-03-28 12:13:21,025 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.69/8.62 [2019-03-28 12:13:21,025 INFO L119 BuchiIsEmpty]: Starting construction of run 15.69/8.62 [2019-03-28 12:13:21,027 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] 15.69/8.62 [2019-03-28 12:13:21,027 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] 15.69/8.62 [2019-03-28 12:13:21,028 INFO L794 eck$LassoCheckResult]: Stem: 208#ULTIMATE.startENTRY [47] ULTIMATE.startENTRY-->L19: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet4_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~ret5=|v_ULTIMATE.start_main_#t~ret5_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet4_4|] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~ret5, ULTIMATE.start_main_~x~0] 186#L19 [45] L19-->rec2ENTRY: Formula: (= |v_rec2_#in~jInParam_3| v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_3|} AuxVars[] AssignedVars[rec2_#in~j]< 185#rec2ENTRY [35] rec2ENTRY-->L12: Formula: (= v_rec2_~j_1 |v_rec2_#in~j_1|) InVars {rec2_#in~j=|v_rec2_#in~j_1|} OutVars{rec2_~j=v_rec2_~j_1, rec2_#in~j=|v_rec2_#in~j_1|} AuxVars[] AssignedVars[rec2_~j] 187#L12 [59] L12-->L14: Formula: (> v_rec2_~j_3 0) InVars {rec2_~j=v_rec2_~j_3} OutVars{rec2_~j=v_rec2_~j_3} AuxVars[] AssignedVars[] 189#L14 [42] L14-->rec2ENTRY: Formula: (= |v_rec2_#in~jInParam_2| (+ v_rec2_~j_5 (- 1))) InVars {rec2_~j=v_rec2_~j_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_2|} AuxVars[] AssignedVars[rec2_#in~j]< 188#rec2ENTRY [35] rec2ENTRY-->L12: Formula: (= v_rec2_~j_1 |v_rec2_#in~j_1|) InVars {rec2_#in~j=|v_rec2_#in~j_1|} OutVars{rec2_~j=v_rec2_~j_1, rec2_#in~j=|v_rec2_#in~j_1|} AuxVars[] AssignedVars[rec2_~j] 191#L12 [59] L12-->L14: Formula: (> v_rec2_~j_3 0) InVars {rec2_~j=v_rec2_~j_3} OutVars{rec2_~j=v_rec2_~j_3} AuxVars[] AssignedVars[] 190#L14 [42] L14-->rec2ENTRY: Formula: (= |v_rec2_#in~jInParam_2| (+ v_rec2_~j_5 (- 1))) InVars {rec2_~j=v_rec2_~j_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_2|} AuxVars[] AssignedVars[rec2_#in~j]< 188#rec2ENTRY [35] rec2ENTRY-->L12: Formula: (= v_rec2_~j_1 |v_rec2_#in~j_1|) InVars {rec2_#in~j=|v_rec2_#in~j_1|} OutVars{rec2_~j=v_rec2_~j_1, rec2_#in~j=|v_rec2_#in~j_1|} AuxVars[] AssignedVars[rec2_~j] 192#L12 [36] L12-->rec2FINAL: Formula: (and (<= v_rec2_~j_2 0) (= |v_rec2_#res_2| 0)) InVars {rec2_~j=v_rec2_~j_2} OutVars{rec2_~j=v_rec2_~j_2, rec2_#res=|v_rec2_#res_2|} AuxVars[] AssignedVars[rec2_#res] 193#rec2FINAL [44] rec2FINAL-->rec2EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 206#rec2EXIT >[54] rec2EXIT-->L14-1: AOR: Formula: (= |v_rec2_#t~ret2_4| |v_rec2_#resOutParam_2|) InVars {rec2_#res=|v_rec2_#resOutParam_2|} OutVars{rec2_#t~ret2=|v_rec2_#t~ret2_4|} AuxVars[] AssignedVars[rec2_#t~ret2] LVA: Formula: (= |v_rec2_#in~jInParam_2| (+ v_rec2_~j_5 (- 1))) InVars {rec2_~j=v_rec2_~j_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_2|} AuxVars[] AssignedVars[rec2_#in~j] 199#L14-1 [46] L14-1-->rec1ENTRY: Formula: (= |v_rec1_#in~iInParam_2| |v_rec2_#t~ret2_5|) InVars {rec2_#t~ret2=|v_rec2_#t~ret2_5|} OutVars{rec1_#in~i=|v_rec1_#in~iInParam_2|} AuxVars[] AssignedVars[rec1_#in~i]< 198#rec1ENTRY [39] rec1ENTRY-->L6: Formula: (= v_rec1_~i_1 |v_rec1_#in~i_1|) InVars {rec1_#in~i=|v_rec1_#in~i_1|} OutVars{rec1_#in~i=|v_rec1_#in~i_1|, rec1_~i=v_rec1_~i_1} AuxVars[] AssignedVars[rec1_~i] 200#L6 [50] L6-->rec1FINAL: Formula: (and (<= v_rec1_~i_2 0) (= |v_rec1_#res_1| 0)) InVars {rec1_~i=v_rec1_~i_2} OutVars{rec1_#res=|v_rec1_#res_1|, rec1_~i=v_rec1_~i_2} AuxVars[] AssignedVars[rec1_#res] 210#rec1FINAL [40] rec1FINAL-->rec1EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 207#rec1EXIT >[58] rec1EXIT-->L14-2: AOR: Formula: (= |v_rec2_#t~ret3_4| |v_rec1_#resOutParam_2|) InVars {rec1_#res=|v_rec1_#resOutParam_2|} OutVars{rec2_#t~ret3=|v_rec2_#t~ret3_4|} AuxVars[] AssignedVars[rec2_#t~ret3] LVA: Formula: (= |v_rec1_#in~iInParam_2| |v_rec2_#t~ret2_5|) InVars {rec2_#t~ret2=|v_rec2_#t~ret2_5|} OutVars{rec1_#in~i=|v_rec1_#in~iInParam_2|} AuxVars[] AssignedVars[rec1_#in~i] 194#L14-2 [38] L14-2-->rec2FINAL: Formula: (= |v_rec2_#res_1| |v_rec2_#t~ret3_2|) InVars {rec2_#t~ret3=|v_rec2_#t~ret3_2|} OutVars{rec2_#t~ret2=|v_rec2_#t~ret2_1|, rec2_#t~ret3=|v_rec2_#t~ret3_1|, rec2_#res=|v_rec2_#res_1|} AuxVars[] AssignedVars[rec2_#t~ret2, rec2_#t~ret3, rec2_#res] 197#rec2FINAL [44] rec2FINAL-->rec2EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 216#rec2EXIT >[54] rec2EXIT-->L14-1: AOR: Formula: (= |v_rec2_#t~ret2_4| |v_rec2_#resOutParam_2|) InVars {rec2_#res=|v_rec2_#resOutParam_2|} OutVars{rec2_#t~ret2=|v_rec2_#t~ret2_4|} AuxVars[] AssignedVars[rec2_#t~ret2] LVA: Formula: (= |v_rec2_#in~jInParam_2| (+ v_rec2_~j_5 (- 1))) InVars {rec2_~j=v_rec2_~j_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_2|} AuxVars[] AssignedVars[rec2_#in~j] 202#L14-1 15.69/8.62 [2019-03-28 12:13:21,028 INFO L796 eck$LassoCheckResult]: Loop: 202#L14-1 [46] L14-1-->rec1ENTRY: Formula: (= |v_rec1_#in~iInParam_2| |v_rec2_#t~ret2_5|) InVars {rec2_#t~ret2=|v_rec2_#t~ret2_5|} OutVars{rec1_#in~i=|v_rec1_#in~iInParam_2|} AuxVars[] AssignedVars[rec1_#in~i]< 209#rec1ENTRY [39] rec1ENTRY-->L6: Formula: (= v_rec1_~i_1 |v_rec1_#in~i_1|) InVars {rec1_#in~i=|v_rec1_#in~i_1|} OutVars{rec1_#in~i=|v_rec1_#in~i_1|, rec1_~i=v_rec1_~i_1} AuxVars[] AssignedVars[rec1_~i] 214#L6 [60] L6-->L8: Formula: (> v_rec1_~i_3 0) InVars {rec1_~i=v_rec1_~i_3} OutVars{rec1_~i=v_rec1_~i_3} AuxVars[] AssignedVars[] 203#L8 [49] L8-->rec1ENTRY: Formula: (= |v_rec1_#in~iInParam_1| (+ v_rec1_~i_5 1)) InVars {rec1_~i=v_rec1_~i_5} OutVars{rec1_#in~i=|v_rec1_#in~iInParam_1|} AuxVars[] AssignedVars[rec1_#in~i]< 209#rec1ENTRY [39] rec1ENTRY-->L6: Formula: (= v_rec1_~i_1 |v_rec1_#in~i_1|) InVars {rec1_#in~i=|v_rec1_#in~i_1|} OutVars{rec1_#in~i=|v_rec1_#in~i_1|, rec1_~i=v_rec1_~i_1} AuxVars[] AssignedVars[rec1_~i] 214#L6 [50] L6-->rec1FINAL: Formula: (and (<= v_rec1_~i_2 0) (= |v_rec1_#res_1| 0)) InVars {rec1_~i=v_rec1_~i_2} OutVars{rec1_#res=|v_rec1_#res_1|, rec1_~i=v_rec1_~i_2} AuxVars[] AssignedVars[rec1_#res] 201#rec1FINAL [40] rec1FINAL-->rec1EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 204#rec1EXIT >[56] rec1EXIT-->L8-1: AOR: Formula: (= |v_rec1_#t~ret0_4| |v_rec1_#resOutParam_1|) InVars {rec1_#res=|v_rec1_#resOutParam_1|} OutVars{rec1_#t~ret0=|v_rec1_#t~ret0_4|} AuxVars[] AssignedVars[rec1_#t~ret0] LVA: Formula: (= |v_rec1_#in~iInParam_1| (+ v_rec1_~i_5 1)) InVars {rec1_~i=v_rec1_~i_5} OutVars{rec1_#in~i=|v_rec1_#in~iInParam_1|} AuxVars[] AssignedVars[rec1_#in~i] 195#L8-1 [48] L8-1-->rec2ENTRY: Formula: (= |v_rec2_#in~jInParam_1| |v_rec1_#t~ret0_5|) InVars {rec1_#t~ret0=|v_rec1_#t~ret0_5|} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_1|} AuxVars[] AssignedVars[rec2_#in~j]< 205#rec2ENTRY [35] rec2ENTRY-->L12: Formula: (= v_rec2_~j_1 |v_rec2_#in~j_1|) InVars {rec2_#in~j=|v_rec2_#in~j_1|} OutVars{rec2_~j=v_rec2_~j_1, rec2_#in~j=|v_rec2_#in~j_1|} AuxVars[] AssignedVars[rec2_~j] 212#L12 [59] L12-->L14: Formula: (> v_rec2_~j_3 0) InVars {rec2_~j=v_rec2_~j_3} OutVars{rec2_~j=v_rec2_~j_3} AuxVars[] AssignedVars[] 196#L14 [42] L14-->rec2ENTRY: Formula: (= |v_rec2_#in~jInParam_2| (+ v_rec2_~j_5 (- 1))) InVars {rec2_~j=v_rec2_~j_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_2|} AuxVars[] AssignedVars[rec2_#in~j]< 205#rec2ENTRY [35] rec2ENTRY-->L12: Formula: (= v_rec2_~j_1 |v_rec2_#in~j_1|) InVars {rec2_#in~j=|v_rec2_#in~j_1|} OutVars{rec2_~j=v_rec2_~j_1, rec2_#in~j=|v_rec2_#in~j_1|} AuxVars[] AssignedVars[rec2_~j] 212#L12 [59] L12-->L14: Formula: (> v_rec2_~j_3 0) InVars {rec2_~j=v_rec2_~j_3} OutVars{rec2_~j=v_rec2_~j_3} AuxVars[] AssignedVars[] 196#L14 [42] L14-->rec2ENTRY: Formula: (= |v_rec2_#in~jInParam_2| (+ v_rec2_~j_5 (- 1))) InVars {rec2_~j=v_rec2_~j_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_2|} AuxVars[] AssignedVars[rec2_#in~j]< 205#rec2ENTRY [35] rec2ENTRY-->L12: Formula: (= v_rec2_~j_1 |v_rec2_#in~j_1|) InVars {rec2_#in~j=|v_rec2_#in~j_1|} OutVars{rec2_~j=v_rec2_~j_1, rec2_#in~j=|v_rec2_#in~j_1|} AuxVars[] AssignedVars[rec2_~j] 212#L12 [36] L12-->rec2FINAL: Formula: (and (<= v_rec2_~j_2 0) (= |v_rec2_#res_2| 0)) InVars {rec2_~j=v_rec2_~j_2} OutVars{rec2_~j=v_rec2_~j_2, rec2_#res=|v_rec2_#res_2|} AuxVars[] AssignedVars[rec2_#res] 213#rec2FINAL [44] rec2FINAL-->rec2EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 215#rec2EXIT >[54] rec2EXIT-->L14-1: AOR: Formula: (= |v_rec2_#t~ret2_4| |v_rec2_#resOutParam_2|) InVars {rec2_#res=|v_rec2_#resOutParam_2|} OutVars{rec2_#t~ret2=|v_rec2_#t~ret2_4|} AuxVars[] AssignedVars[rec2_#t~ret2] LVA: Formula: (= |v_rec2_#in~jInParam_2| (+ v_rec2_~j_5 (- 1))) InVars {rec2_~j=v_rec2_~j_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_2|} AuxVars[] AssignedVars[rec2_#in~j] 199#L14-1 [46] L14-1-->rec1ENTRY: Formula: (= |v_rec1_#in~iInParam_2| |v_rec2_#t~ret2_5|) InVars {rec2_#t~ret2=|v_rec2_#t~ret2_5|} OutVars{rec1_#in~i=|v_rec1_#in~iInParam_2|} AuxVars[] AssignedVars[rec1_#in~i]< 198#rec1ENTRY [39] rec1ENTRY-->L6: Formula: (= v_rec1_~i_1 |v_rec1_#in~i_1|) InVars {rec1_#in~i=|v_rec1_#in~i_1|} OutVars{rec1_#in~i=|v_rec1_#in~i_1|, rec1_~i=v_rec1_~i_1} AuxVars[] AssignedVars[rec1_~i] 200#L6 [50] L6-->rec1FINAL: Formula: (and (<= v_rec1_~i_2 0) (= |v_rec1_#res_1| 0)) InVars {rec1_~i=v_rec1_~i_2} OutVars{rec1_#res=|v_rec1_#res_1|, rec1_~i=v_rec1_~i_2} AuxVars[] AssignedVars[rec1_#res] 210#rec1FINAL [40] rec1FINAL-->rec1EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 207#rec1EXIT >[58] rec1EXIT-->L14-2: AOR: Formula: (= |v_rec2_#t~ret3_4| |v_rec1_#resOutParam_2|) InVars {rec1_#res=|v_rec1_#resOutParam_2|} OutVars{rec2_#t~ret3=|v_rec2_#t~ret3_4|} AuxVars[] AssignedVars[rec2_#t~ret3] LVA: Formula: (= |v_rec1_#in~iInParam_2| |v_rec2_#t~ret2_5|) InVars {rec2_#t~ret2=|v_rec2_#t~ret2_5|} OutVars{rec1_#in~i=|v_rec1_#in~iInParam_2|} AuxVars[] AssignedVars[rec1_#in~i] 194#L14-2 [38] L14-2-->rec2FINAL: Formula: (= |v_rec2_#res_1| |v_rec2_#t~ret3_2|) InVars {rec2_#t~ret3=|v_rec2_#t~ret3_2|} OutVars{rec2_#t~ret2=|v_rec2_#t~ret2_1|, rec2_#t~ret3=|v_rec2_#t~ret3_1|, rec2_#res=|v_rec2_#res_1|} AuxVars[] AssignedVars[rec2_#t~ret2, rec2_#t~ret3, rec2_#res] 197#rec2FINAL [44] rec2FINAL-->rec2EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 216#rec2EXIT >[54] rec2EXIT-->L14-1: AOR: Formula: (= |v_rec2_#t~ret2_4| |v_rec2_#resOutParam_2|) InVars {rec2_#res=|v_rec2_#resOutParam_2|} OutVars{rec2_#t~ret2=|v_rec2_#t~ret2_4|} AuxVars[] AssignedVars[rec2_#t~ret2] LVA: Formula: (= |v_rec2_#in~jInParam_2| (+ v_rec2_~j_5 (- 1))) InVars {rec2_~j=v_rec2_~j_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_2|} AuxVars[] AssignedVars[rec2_#in~j] 202#L14-1 15.69/8.62 [2019-03-28 12:13:21,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/8.62 [2019-03-28 12:13:21,029 INFO L82 PathProgramCache]: Analyzing trace with hash -40851153, now seen corresponding path program 1 times 15.69/8.62 [2019-03-28 12:13:21,029 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/8.62 [2019-03-28 12:13:21,029 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/8.62 [2019-03-28 12:13:21,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:21,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:21,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/8.62 [2019-03-28 12:13:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/8.62 [2019-03-28 12:13:21,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/8.62 [2019-03-28 12:13:21,049 INFO L82 PathProgramCache]: Analyzing trace with hash -950623466, now seen corresponding path program 1 times 15.69/8.62 [2019-03-28 12:13:21,049 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/8.62 [2019-03-28 12:13:21,049 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/8.62 [2019-03-28 12:13:21,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:21,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:21,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.69/8.62 [2019-03-28 12:13:21,094 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. 15.69/8.62 [2019-03-28 12:13:21,095 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. 15.69/8.62 [2019-03-28 12:13:21,095 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 15.69/8.62 [2019-03-28 12:13:21,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.69/8.62 [2019-03-28 12:13:21,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core 15.69/8.62 [2019-03-28 12:13:21,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.69/8.62 [2019-03-28 12:13:21,147 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. 15.69/8.62 [2019-03-28 12:13:21,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. 15.69/8.62 [2019-03-28 12:13:21,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 15.69/8.62 [2019-03-28 12:13:21,175 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.69/8.62 [2019-03-28 12:13:21,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. 15.69/8.62 [2019-03-28 12:13:21,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 15.69/8.62 [2019-03-28 12:13:21,176 INFO L87 Difference]: Start difference. First operand 32 states and 40 transitions. cyclomatic complexity: 10 Second operand 5 states. 15.69/8.62 [2019-03-28 12:13:21,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.69/8.62 [2019-03-28 12:13:21,222 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. 15.69/8.62 [2019-03-28 12:13:21,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 15.69/8.62 [2019-03-28 12:13:21,225 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 28 transitions. 15.69/8.62 [2019-03-28 12:13:21,226 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.69/8.62 [2019-03-28 12:13:21,227 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 28 transitions. 15.69/8.62 [2019-03-28 12:13:21,228 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 15.69/8.62 [2019-03-28 12:13:21,228 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 15.69/8.62 [2019-03-28 12:13:21,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. 15.69/8.62 [2019-03-28 12:13:21,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.69/8.62 [2019-03-28 12:13:21,229 INFO L706 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. 15.69/8.62 [2019-03-28 12:13:21,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. 15.69/8.62 [2019-03-28 12:13:21,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. 15.69/8.62 [2019-03-28 12:13:21,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. 15.69/8.62 [2019-03-28 12:13:21,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. 15.69/8.62 [2019-03-28 12:13:21,233 INFO L729 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. 15.69/8.62 [2019-03-28 12:13:21,233 INFO L609 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. 15.69/8.62 [2019-03-28 12:13:21,233 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.69/8.62 [2019-03-28 12:13:21,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 28 transitions. 15.69/8.62 [2019-03-28 12:13:21,234 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 15.69/8.62 [2019-03-28 12:13:21,234 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.69/8.62 [2019-03-28 12:13:21,234 INFO L119 BuchiIsEmpty]: Starting construction of run 15.69/8.62 [2019-03-28 12:13:21,235 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] 15.69/8.62 [2019-03-28 12:13:21,235 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 15.69/8.62 [2019-03-28 12:13:21,236 INFO L794 eck$LassoCheckResult]: Stem: 350#ULTIMATE.startENTRY [47] ULTIMATE.startENTRY-->L19: Formula: (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet4_4|) InVars {} OutVars{ULTIMATE.start_main_#t~nondet4=|v_ULTIMATE.start_main_#t~nondet4_1|, ULTIMATE.start_main_#t~ret5=|v_ULTIMATE.start_main_#t~ret5_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet4_4|] AssignedVars[ULTIMATE.start_main_#t~nondet4, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~ret5, ULTIMATE.start_main_~x~0] 333#L19 [45] L19-->rec2ENTRY: Formula: (= |v_rec2_#in~jInParam_3| v_ULTIMATE.start_main_~x~0_5) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_3|} AuxVars[] AssignedVars[rec2_#in~j]< 332#rec2ENTRY [35] rec2ENTRY-->L12: Formula: (= v_rec2_~j_1 |v_rec2_#in~j_1|) InVars {rec2_#in~j=|v_rec2_#in~j_1|} OutVars{rec2_~j=v_rec2_~j_1, rec2_#in~j=|v_rec2_#in~j_1|} AuxVars[] AssignedVars[rec2_~j] 334#L12 [59] L12-->L14: Formula: (> v_rec2_~j_3 0) InVars {rec2_~j=v_rec2_~j_3} OutVars{rec2_~j=v_rec2_~j_3} AuxVars[] AssignedVars[] 336#L14 [42] L14-->rec2ENTRY: Formula: (= |v_rec2_#in~jInParam_2| (+ v_rec2_~j_5 (- 1))) InVars {rec2_~j=v_rec2_~j_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_2|} AuxVars[] AssignedVars[rec2_#in~j]< 335#rec2ENTRY [35] rec2ENTRY-->L12: Formula: (= v_rec2_~j_1 |v_rec2_#in~j_1|) InVars {rec2_#in~j=|v_rec2_#in~j_1|} OutVars{rec2_~j=v_rec2_~j_1, rec2_#in~j=|v_rec2_#in~j_1|} AuxVars[] AssignedVars[rec2_~j] 339#L12 [59] L12-->L14: Formula: (> v_rec2_~j_3 0) InVars {rec2_~j=v_rec2_~j_3} OutVars{rec2_~j=v_rec2_~j_3} AuxVars[] AssignedVars[] 337#L14 [42] L14-->rec2ENTRY: Formula: (= |v_rec2_#in~jInParam_2| (+ v_rec2_~j_5 (- 1))) InVars {rec2_~j=v_rec2_~j_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_2|} AuxVars[] AssignedVars[rec2_#in~j]< 335#rec2ENTRY [35] rec2ENTRY-->L12: Formula: (= v_rec2_~j_1 |v_rec2_#in~j_1|) InVars {rec2_#in~j=|v_rec2_#in~j_1|} OutVars{rec2_~j=v_rec2_~j_1, rec2_#in~j=|v_rec2_#in~j_1|} AuxVars[] AssignedVars[rec2_~j] 338#L12 [36] L12-->rec2FINAL: Formula: (and (<= v_rec2_~j_2 0) (= |v_rec2_#res_2| 0)) InVars {rec2_~j=v_rec2_~j_2} OutVars{rec2_~j=v_rec2_~j_2, rec2_#res=|v_rec2_#res_2|} AuxVars[] AssignedVars[rec2_#res] 342#rec2FINAL [44] rec2FINAL-->rec2EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 349#rec2EXIT >[54] rec2EXIT-->L14-1: AOR: Formula: (= |v_rec2_#t~ret2_4| |v_rec2_#resOutParam_2|) InVars {rec2_#res=|v_rec2_#resOutParam_2|} OutVars{rec2_#t~ret2=|v_rec2_#t~ret2_4|} AuxVars[] AssignedVars[rec2_#t~ret2] LVA: Formula: (= |v_rec2_#in~jInParam_2| (+ v_rec2_~j_5 (- 1))) InVars {rec2_~j=v_rec2_~j_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_2|} AuxVars[] AssignedVars[rec2_#in~j] 344#L14-1 [46] L14-1-->rec1ENTRY: Formula: (= |v_rec1_#in~iInParam_2| |v_rec2_#t~ret2_5|) InVars {rec2_#t~ret2=|v_rec2_#t~ret2_5|} OutVars{rec1_#in~i=|v_rec1_#in~iInParam_2|} AuxVars[] AssignedVars[rec1_#in~i]< 343#rec1ENTRY [39] rec1ENTRY-->L6: Formula: (= v_rec1_~i_1 |v_rec1_#in~i_1|) InVars {rec1_#in~i=|v_rec1_#in~i_1|} OutVars{rec1_#in~i=|v_rec1_#in~i_1|, rec1_~i=v_rec1_~i_1} AuxVars[] AssignedVars[rec1_~i] 345#L6 [50] L6-->rec1FINAL: Formula: (and (<= v_rec1_~i_2 0) (= |v_rec1_#res_1| 0)) InVars {rec1_~i=v_rec1_~i_2} OutVars{rec1_#res=|v_rec1_#res_1|, rec1_~i=v_rec1_~i_2} AuxVars[] AssignedVars[rec1_#res] 346#rec1FINAL [40] rec1FINAL-->rec1EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 347#rec1EXIT >[58] rec1EXIT-->L14-2: AOR: Formula: (= |v_rec2_#t~ret3_4| |v_rec1_#resOutParam_2|) InVars {rec1_#res=|v_rec1_#resOutParam_2|} OutVars{rec2_#t~ret3=|v_rec2_#t~ret3_4|} AuxVars[] AssignedVars[rec2_#t~ret3] LVA: Formula: (= |v_rec1_#in~iInParam_2| |v_rec2_#t~ret2_5|) InVars {rec2_#t~ret2=|v_rec2_#t~ret2_5|} OutVars{rec1_#in~i=|v_rec1_#in~iInParam_2|} AuxVars[] AssignedVars[rec1_#in~i] 340#L14-2 [38] L14-2-->rec2FINAL: Formula: (= |v_rec2_#res_1| |v_rec2_#t~ret3_2|) InVars {rec2_#t~ret3=|v_rec2_#t~ret3_2|} OutVars{rec2_#t~ret2=|v_rec2_#t~ret2_1|, rec2_#t~ret3=|v_rec2_#t~ret3_1|, rec2_#res=|v_rec2_#res_1|} AuxVars[] AssignedVars[rec2_#t~ret2, rec2_#t~ret3, rec2_#res] 341#rec2FINAL [44] rec2FINAL-->rec2EXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] 348#rec2EXIT >[54] rec2EXIT-->L14-1: AOR: Formula: (= |v_rec2_#t~ret2_4| |v_rec2_#resOutParam_2|) InVars {rec2_#res=|v_rec2_#resOutParam_2|} OutVars{rec2_#t~ret2=|v_rec2_#t~ret2_4|} AuxVars[] AssignedVars[rec2_#t~ret2] LVA: Formula: (= |v_rec2_#in~jInParam_2| (+ v_rec2_~j_5 (- 1))) InVars {rec2_~j=v_rec2_~j_5} OutVars{rec2_#in~j=|v_rec2_#in~jInParam_2|} AuxVars[] AssignedVars[rec2_#in~j] 352#L14-1 [46] L14-1-->rec1ENTRY: Formula: (= |v_rec1_#in~iInParam_2| |v_rec2_#t~ret2_5|) InVars {rec2_#t~ret2=|v_rec2_#t~ret2_5|} OutVars{rec1_#in~i=|v_rec1_#in~iInParam_2|} AuxVars[] AssignedVars[rec1_#in~i]< 353#rec1ENTRY 15.69/8.62 [2019-03-28 12:13:21,236 INFO L796 eck$LassoCheckResult]: Loop: 353#rec1ENTRY [39] rec1ENTRY-->L6: Formula: (= v_rec1_~i_1 |v_rec1_#in~i_1|) InVars {rec1_#in~i=|v_rec1_#in~i_1|} OutVars{rec1_#in~i=|v_rec1_#in~i_1|, rec1_~i=v_rec1_~i_1} AuxVars[] AssignedVars[rec1_~i] 354#L6 [60] L6-->L8: Formula: (> v_rec1_~i_3 0) InVars {rec1_~i=v_rec1_~i_3} OutVars{rec1_~i=v_rec1_~i_3} AuxVars[] AssignedVars[] 351#L8 [49] L8-->rec1ENTRY: Formula: (= |v_rec1_#in~iInParam_1| (+ v_rec1_~i_5 1)) InVars {rec1_~i=v_rec1_~i_5} OutVars{rec1_#in~i=|v_rec1_#in~iInParam_1|} AuxVars[] AssignedVars[rec1_#in~i]< 353#rec1ENTRY 15.69/8.62 [2019-03-28 12:13:21,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/8.62 [2019-03-28 12:13:21,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1266385697, now seen corresponding path program 2 times 15.69/8.62 [2019-03-28 12:13:21,237 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/8.62 [2019-03-28 12:13:21,237 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/8.62 [2019-03-28 12:13:21,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:21,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:21,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/8.62 [2019-03-28 12:13:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/8.62 [2019-03-28 12:13:21,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/8.62 [2019-03-28 12:13:21,254 INFO L82 PathProgramCache]: Analyzing trace with hash 69179, now seen corresponding path program 2 times 15.69/8.62 [2019-03-28 12:13:21,254 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/8.62 [2019-03-28 12:13:21,254 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/8.62 [2019-03-28 12:13:21,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:21,255 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:21,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/8.62 [2019-03-28 12:13:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.69/8.62 [2019-03-28 12:13:21,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.69/8.62 [2019-03-28 12:13:21,260 INFO L82 PathProgramCache]: Analyzing trace with hash 96468125, now seen corresponding path program 1 times 15.69/8.62 [2019-03-28 12:13:21,260 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.69/8.62 [2019-03-28 12:13:21,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.69/8.62 [2019-03-28 12:13:21,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:21,261 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:21,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.69/8.62 [2019-03-28 12:13:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.69/8.62 [2019-03-28 12:13:21,318 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. 15.69/8.62 [2019-03-28 12:13:21,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.69/8.62 [2019-03-28 12:13:21,318 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 15.69/8.62 [2019-03-28 12:13:21,350 INFO L216 LassoAnalysis]: Preferences: 15.69/8.62 [2019-03-28 12:13:21,351 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.69/8.62 [2019-03-28 12:13:21,351 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.69/8.62 [2019-03-28 12:13:21,351 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.69/8.62 [2019-03-28 12:13:21,351 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.69/8.62 [2019-03-28 12:13:21,351 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:21,351 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.69/8.62 [2019-03-28 12:13:21,351 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.69/8.62 [2019-03-28 12:13:21,352 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 15.69/8.62 [2019-03-28 12:13:21,352 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.69/8.62 [2019-03-28 12:13:21,352 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.69/8.62 [2019-03-28 12:13:21,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:21,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:21,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:21,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:21,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.69/8.62 [2019-03-28 12:13:21,396 INFO L300 LassoAnalysis]: Preprocessing complete. 15.69/8.62 [2019-03-28 12:13:21,396 INFO L412 LassoAnalysis]: Checking for nontermination... 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:21,402 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/8.62 [2019-03-28 12:13:21,402 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/8.62 [2019-03-28 12:13:21,406 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/8.62 [2019-03-28 12:13:21,406 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec1_#res=0} Honda state: {rec1_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:21,433 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/8.62 [2019-03-28 12:13:21,434 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/8.62 [2019-03-28 12:13:21,437 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/8.62 [2019-03-28 12:13:21,437 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec1_#t~ret1=0} Honda state: {rec1_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:21,464 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/8.62 [2019-03-28 12:13:21,464 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/8.62 [2019-03-28 12:13:21,468 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/8.62 [2019-03-28 12:13:21,468 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec1_~i=0} Honda state: {rec1_~i=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:21,496 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/8.62 [2019-03-28 12:13:21,496 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/8.62 [2019-03-28 12:13:21,500 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/8.62 [2019-03-28 12:13:21,500 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec1_#t~ret0=0} Honda state: {rec1_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:21,526 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.69/8.62 [2019-03-28 12:13:21,527 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/8.62 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.69/8.62 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.69/8.62 Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.69/8.62 [2019-03-28 12:13:21,557 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.69/8.62 [2019-03-28 12:13:21,557 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.69/8.62 [2019-03-28 12:13:21,567 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.69/8.62 [2019-03-28 12:13:21,567 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {rec1_#in~i=1} Honda state: {rec1_#in~i=1} Generalized eigenvectors: [{rec1_#in~i=1}, {rec1_#in~i=0}, {rec1_#in~i=0}] Lambdas: [1, 0, 0] Nus: [0, 0] 15.69/8.62 [2019-03-28 12:13:21,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. 15.69/8.62 [2019-03-28 12:13:21,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 15.69/8.62 [2019-03-28 12:13:21,593 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. cyclomatic complexity: 5 Second operand 8 states. 15.69/8.62 [2019-03-28 12:13:21,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.69/8.62 [2019-03-28 12:13:21,647 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. 15.69/8.62 [2019-03-28 12:13:21,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 15.69/8.62 [2019-03-28 12:13:21,649 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 26 transitions. 15.69/8.62 [2019-03-28 12:13:21,650 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.69/8.62 [2019-03-28 12:13:21,650 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. 15.69/8.62 [2019-03-28 12:13:21,651 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.69/8.62 [2019-03-28 12:13:21,651 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.69/8.62 [2019-03-28 12:13:21,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.69/8.62 [2019-03-28 12:13:21,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.69/8.62 [2019-03-28 12:13:21,651 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.69/8.62 [2019-03-28 12:13:21,669 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.69/8.62 [2019-03-28 12:13:21,669 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.69/8.62 [2019-03-28 12:13:21,669 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 15.69/8.62 [2019-03-28 12:13:21,669 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.69/8.62 [2019-03-28 12:13:21,670 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.69/8.62 [2019-03-28 12:13:21,670 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.69/8.62 [2019-03-28 12:13:21,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.03 12:13:21 BasicIcfg 15.69/8.62 [2019-03-28 12:13:21,679 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.69/8.62 [2019-03-28 12:13:21,679 INFO L168 Benchmark]: Toolchain (without parser) took 2850.36 ms. Allocated memory was 649.6 MB in the beginning and 752.4 MB in the end (delta: 102.8 MB). Free memory was 564.1 MB in the beginning and 706.3 MB in the end (delta: -142.2 MB). Peak memory consumption was 225.1 MB. Max. memory is 50.3 GB. 15.69/8.62 [2019-03-28 12:13:21,681 INFO L168 Benchmark]: CDTParser took 0.18 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. 15.69/8.62 [2019-03-28 12:13:21,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.15 ms. Allocated memory is still 649.6 MB. Free memory was 562.8 MB in the beginning and 553.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.69/8.62 [2019-03-28 12:13:21,682 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.94 ms. Allocated memory was 649.6 MB in the beginning and 673.7 MB in the end (delta: 24.1 MB). Free memory was 553.2 MB in the beginning and 640.1 MB in the end (delta: -86.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 15.69/8.62 [2019-03-28 12:13:21,683 INFO L168 Benchmark]: Boogie Preprocessor took 17.23 ms. Allocated memory is still 673.7 MB. Free memory is still 640.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.69/8.62 [2019-03-28 12:13:21,683 INFO L168 Benchmark]: RCFGBuilder took 212.57 ms. Allocated memory is still 673.7 MB. Free memory was 640.1 MB in the beginning and 624.0 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 50.3 GB. 15.69/8.62 [2019-03-28 12:13:21,684 INFO L168 Benchmark]: BlockEncodingV2 took 70.75 ms. Allocated memory is still 673.7 MB. Free memory was 624.0 MB in the beginning and 618.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.69/8.62 [2019-03-28 12:13:21,684 INFO L168 Benchmark]: TraceAbstraction took 179.90 ms. Allocated memory is still 673.7 MB. Free memory was 618.6 MB in the beginning and 606.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 50.3 GB. 15.69/8.62 [2019-03-28 12:13:21,685 INFO L168 Benchmark]: BuchiAutomizer took 2028.57 ms. Allocated memory was 673.7 MB in the beginning and 752.4 MB in the end (delta: 78.6 MB). Free memory was 606.5 MB in the beginning and 706.3 MB in the end (delta: -99.8 MB). Peak memory consumption was 243.4 MB. Max. memory is 50.3 GB. 15.69/8.62 [2019-03-28 12:13:21,689 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.69/8.62 --- Results --- 15.69/8.62 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.69/8.62 - StatisticsResult: Initial Icfg 15.69/8.62 20 locations, 24 edges 15.69/8.62 - StatisticsResult: Encoded RCFG 15.69/8.62 16 locations, 20 edges 15.69/8.62 * Results from de.uni_freiburg.informatik.ultimate.core: 15.69/8.62 - StatisticsResult: Toolchain Benchmarks 15.69/8.62 Benchmark results are: 15.69/8.62 * CDTParser took 0.18 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. 15.69/8.62 * CACSL2BoogieTranslator took 240.15 ms. Allocated memory is still 649.6 MB. Free memory was 562.8 MB in the beginning and 553.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 50.3 GB. 15.69/8.62 * Boogie Procedure Inliner took 95.94 ms. Allocated memory was 649.6 MB in the beginning and 673.7 MB in the end (delta: 24.1 MB). Free memory was 553.2 MB in the beginning and 640.1 MB in the end (delta: -86.8 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 15.69/8.62 * Boogie Preprocessor took 17.23 ms. Allocated memory is still 673.7 MB. Free memory is still 640.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 15.69/8.62 * RCFGBuilder took 212.57 ms. Allocated memory is still 673.7 MB. Free memory was 640.1 MB in the beginning and 624.0 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 50.3 GB. 15.69/8.62 * BlockEncodingV2 took 70.75 ms. Allocated memory is still 673.7 MB. Free memory was 624.0 MB in the beginning and 618.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 15.69/8.62 * TraceAbstraction took 179.90 ms. Allocated memory is still 673.7 MB. Free memory was 618.6 MB in the beginning and 606.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 50.3 GB. 15.69/8.62 * BuchiAutomizer took 2028.57 ms. Allocated memory was 673.7 MB in the beginning and 752.4 MB in the end (delta: 78.6 MB). Free memory was 606.5 MB in the beginning and 706.3 MB in the end (delta: -99.8 MB). Peak memory consumption was 243.4 MB. Max. memory is 50.3 GB. 15.69/8.62 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.69/8.62 - AllSpecificationsHoldResult: All specifications hold 15.69/8.62 We were not able to verify any specifiation because the program does not contain any specification. 15.69/8.62 - StatisticsResult: Ultimate Automizer benchmark data 15.69/8.62 CFG has 3 procedures, 16 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=16occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 16 PreInvPairs, 16 NumberOfFragments, 7 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 15.69/8.62 - StatisticsResult: Constructed decomposition of program 15.69/8.62 Your program was decomposed into 4 terminating modules (3 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function \old(j) and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 8 locations. 15.69/8.62 - StatisticsResult: Timing statistics 15.69/8.62 BüchiAutomizer plugin needed 1.9s and 5 iterations. TraceHistogramMax:3. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 32 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 58 SDtfs, 41 SDslu, 156 SDs, 0 SdLazy, 87 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 15.69/8.62 - TerminationAnalysisResult: Termination proven 15.69/8.62 Buchi Automizer proved that your program is terminating 15.69/8.62 RESULT: Ultimate proved your program to be correct! 15.69/8.62 !SESSION 2019-03-28 12:13:14.908 ----------------------------------------------- 15.69/8.62 eclipse.buildId=unknown 15.69/8.62 java.version=1.8.0_181 15.69/8.62 java.vendor=Oracle Corporation 15.69/8.62 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.69/8.62 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.69/8.62 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.69/8.62 15.69/8.62 !ENTRY org.eclipse.core.resources 2 10035 2019-03-28 12:13:21.922 15.69/8.62 !MESSAGE The workspace will exit with unsaved changes in this session. 15.69/8.62 Received shutdown request... 15.69/8.62 Ultimate: 15.69/8.62 GTK+ Version Check 15.69/8.62 EOF