58.98/48.28 YES 58.98/48.28 58.98/48.28 Ultimate: Cannot open display: 58.98/48.28 This is Ultimate 0.1.24-8dc7c08-m 58.98/48.28 [2019-03-29 02:09:44,590 INFO L170 SettingsManager]: Resetting all preferences to default values... 58.98/48.28 [2019-03-29 02:09:44,592 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 58.98/48.28 [2019-03-29 02:09:44,603 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 58.98/48.28 [2019-03-29 02:09:44,603 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 58.98/48.28 [2019-03-29 02:09:44,604 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 58.98/48.28 [2019-03-29 02:09:44,606 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 58.98/48.28 [2019-03-29 02:09:44,607 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 58.98/48.28 [2019-03-29 02:09:44,609 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 58.98/48.28 [2019-03-29 02:09:44,609 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 58.98/48.28 [2019-03-29 02:09:44,610 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 58.98/48.28 [2019-03-29 02:09:44,610 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 58.98/48.28 [2019-03-29 02:09:44,611 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 58.98/48.28 [2019-03-29 02:09:44,612 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 58.98/48.28 [2019-03-29 02:09:44,613 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 58.98/48.28 [2019-03-29 02:09:44,614 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 58.98/48.28 [2019-03-29 02:09:44,615 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 58.98/48.28 [2019-03-29 02:09:44,616 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 58.98/48.28 [2019-03-29 02:09:44,618 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 58.98/48.28 [2019-03-29 02:09:44,620 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 58.98/48.28 [2019-03-29 02:09:44,621 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 58.98/48.28 [2019-03-29 02:09:44,622 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 58.98/48.28 [2019-03-29 02:09:44,624 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 58.98/48.28 [2019-03-29 02:09:44,624 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 58.98/48.28 [2019-03-29 02:09:44,624 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 58.98/48.28 [2019-03-29 02:09:44,625 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 58.98/48.28 [2019-03-29 02:09:44,626 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 58.98/48.28 [2019-03-29 02:09:44,626 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 58.98/48.28 [2019-03-29 02:09:44,627 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 58.98/48.28 [2019-03-29 02:09:44,627 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 58.98/48.28 [2019-03-29 02:09:44,628 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 58.98/48.28 [2019-03-29 02:09:44,629 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 58.98/48.28 [2019-03-29 02:09:44,630 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 58.98/48.28 [2019-03-29 02:09:44,630 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 58.98/48.28 [2019-03-29 02:09:44,631 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 58.98/48.28 [2019-03-29 02:09:44,631 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 58.98/48.28 [2019-03-29 02:09:44,631 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 58.98/48.28 [2019-03-29 02:09:44,632 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 58.98/48.28 [2019-03-29 02:09:44,633 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 58.98/48.28 [2019-03-29 02:09:44,633 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 58.98/48.28 [2019-03-29 02:09:44,648 INFO L110 SettingsManager]: Loading preferences was successful 58.98/48.28 [2019-03-29 02:09:44,648 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 58.98/48.28 [2019-03-29 02:09:44,649 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 58.98/48.28 [2019-03-29 02:09:44,649 INFO L133 SettingsManager]: * Rewrite not-equals=true 58.98/48.28 [2019-03-29 02:09:44,649 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 58.98/48.28 [2019-03-29 02:09:44,649 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 58.98/48.28 [2019-03-29 02:09:44,650 INFO L133 SettingsManager]: * Use SBE=true 58.98/48.28 [2019-03-29 02:09:44,650 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 58.98/48.28 [2019-03-29 02:09:44,650 INFO L133 SettingsManager]: * Use old map elimination=false 58.98/48.28 [2019-03-29 02:09:44,650 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 58.98/48.28 [2019-03-29 02:09:44,650 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 58.98/48.28 [2019-03-29 02:09:44,650 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 58.98/48.28 [2019-03-29 02:09:44,651 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 58.98/48.28 [2019-03-29 02:09:44,651 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 58.98/48.28 [2019-03-29 02:09:44,651 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 58.98/48.28 [2019-03-29 02:09:44,651 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 58.98/48.28 [2019-03-29 02:09:44,651 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 58.98/48.28 [2019-03-29 02:09:44,651 INFO L133 SettingsManager]: * Check division by zero=IGNORE 58.98/48.28 [2019-03-29 02:09:44,652 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 58.98/48.28 [2019-03-29 02:09:44,652 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 58.98/48.28 [2019-03-29 02:09:44,652 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 58.98/48.28 [2019-03-29 02:09:44,652 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 58.98/48.28 [2019-03-29 02:09:44,652 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 58.98/48.28 [2019-03-29 02:09:44,652 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 58.98/48.28 [2019-03-29 02:09:44,653 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 58.98/48.28 [2019-03-29 02:09:44,653 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 58.98/48.28 [2019-03-29 02:09:44,653 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 58.98/48.28 [2019-03-29 02:09:44,653 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 58.98/48.28 [2019-03-29 02:09:44,653 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 58.98/48.28 [2019-03-29 02:09:44,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 58.98/48.28 [2019-03-29 02:09:44,692 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 58.98/48.28 [2019-03-29 02:09:44,696 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 58.98/48.28 [2019-03-29 02:09:44,697 INFO L271 PluginConnector]: Initializing CDTParser... 58.98/48.28 [2019-03-29 02:09:44,697 INFO L276 PluginConnector]: CDTParser initialized 58.98/48.28 [2019-03-29 02:09:44,698 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 58.98/48.28 [2019-03-29 02:09:44,763 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/a186cddf22e34c3787df17e374e16698/FLAG54ea7e7d0 58.98/48.28 [2019-03-29 02:09:45,105 INFO L307 CDTParser]: Found 1 translation units. 58.98/48.28 [2019-03-29 02:09:45,106 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 58.98/48.28 [2019-03-29 02:09:45,113 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/a186cddf22e34c3787df17e374e16698/FLAG54ea7e7d0 58.98/48.28 [2019-03-29 02:09:45,512 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/a186cddf22e34c3787df17e374e16698 58.98/48.28 [2019-03-29 02:09:45,524 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 58.98/48.28 [2019-03-29 02:09:45,526 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 58.98/48.28 [2019-03-29 02:09:45,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 58.98/48.28 [2019-03-29 02:09:45,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 58.98/48.28 [2019-03-29 02:09:45,531 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 58.98/48.28 [2019-03-29 02:09:45,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:09:45" (1/1) ... 58.98/48.28 [2019-03-29 02:09:45,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c81408c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:45, skipping insertion in model container 58.98/48.28 [2019-03-29 02:09:45,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:09:45" (1/1) ... 58.98/48.28 [2019-03-29 02:09:45,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 58.98/48.28 [2019-03-29 02:09:45,562 INFO L176 MainTranslator]: Built tables and reachable declarations 58.98/48.28 [2019-03-29 02:09:45,722 INFO L206 PostProcessor]: Analyzing one entry point: main 58.98/48.28 [2019-03-29 02:09:45,727 INFO L191 MainTranslator]: Completed pre-run 58.98/48.28 [2019-03-29 02:09:45,744 INFO L206 PostProcessor]: Analyzing one entry point: main 58.98/48.28 [2019-03-29 02:09:45,760 INFO L195 MainTranslator]: Completed translation 58.98/48.28 [2019-03-29 02:09:45,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:45 WrapperNode 58.98/48.28 [2019-03-29 02:09:45,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 58.98/48.28 [2019-03-29 02:09:45,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 58.98/48.28 [2019-03-29 02:09:45,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 58.98/48.28 [2019-03-29 02:09:45,762 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 58.98/48.28 [2019-03-29 02:09:45,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:45" (1/1) ... 58.98/48.28 [2019-03-29 02:09:45,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:45" (1/1) ... 58.98/48.28 [2019-03-29 02:09:45,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 58.98/48.28 [2019-03-29 02:09:45,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 58.98/48.28 [2019-03-29 02:09:45,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 58.98/48.28 [2019-03-29 02:09:45,856 INFO L276 PluginConnector]: Boogie Preprocessor initialized 58.98/48.28 [2019-03-29 02:09:45,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:45" (1/1) ... 58.98/48.28 [2019-03-29 02:09:45,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:45" (1/1) ... 58.98/48.28 [2019-03-29 02:09:45,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:45" (1/1) ... 58.98/48.28 [2019-03-29 02:09:45,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:45" (1/1) ... 58.98/48.28 [2019-03-29 02:09:45,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:45" (1/1) ... 58.98/48.28 [2019-03-29 02:09:45,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:45" (1/1) ... 58.98/48.28 [2019-03-29 02:09:45,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:45" (1/1) ... 58.98/48.28 [2019-03-29 02:09:45,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 58.98/48.28 [2019-03-29 02:09:45,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 58.98/48.28 [2019-03-29 02:09:45,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... 58.98/48.28 [2019-03-29 02:09:45,876 INFO L276 PluginConnector]: RCFGBuilder initialized 58.98/48.28 [2019-03-29 02:09:45,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:45" (1/1) ... 58.98/48.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 58.98/48.28 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 58.98/48.28 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 58.98/48.28 [2019-03-29 02:09:45,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 58.98/48.28 [2019-03-29 02:09:45,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 58.98/48.28 [2019-03-29 02:09:46,073 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 58.98/48.28 [2019-03-29 02:09:46,074 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 58.98/48.28 [2019-03-29 02:09:46,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:09:46 BoogieIcfgContainer 58.98/48.28 [2019-03-29 02:09:46,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 58.98/48.28 [2019-03-29 02:09:46,076 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 58.98/48.28 [2019-03-29 02:09:46,076 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 58.98/48.28 [2019-03-29 02:09:46,078 INFO L276 PluginConnector]: BlockEncodingV2 initialized 58.98/48.28 [2019-03-29 02:09:46,079 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:09:46" (1/1) ... 58.98/48.28 [2019-03-29 02:09:46,093 INFO L313 BlockEncoder]: Initial Icfg 10 locations, 13 edges 58.98/48.28 [2019-03-29 02:09:46,095 INFO L258 BlockEncoder]: Using Remove infeasible edges 58.98/48.28 [2019-03-29 02:09:46,096 INFO L263 BlockEncoder]: Using Maximize final states 58.98/48.28 [2019-03-29 02:09:46,096 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 58.98/48.28 [2019-03-29 02:09:46,097 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 58.98/48.28 [2019-03-29 02:09:46,099 INFO L296 BlockEncoder]: Using Remove sink states 58.98/48.28 [2019-03-29 02:09:46,099 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 58.98/48.28 [2019-03-29 02:09:46,100 INFO L179 BlockEncoder]: Using Rewrite not-equals 58.98/48.28 [2019-03-29 02:09:46,115 INFO L185 BlockEncoder]: Using Use SBE 58.98/48.28 [2019-03-29 02:09:46,124 INFO L200 BlockEncoder]: SBE split 0 edges 58.98/48.28 [2019-03-29 02:09:46,128 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 58.98/48.28 [2019-03-29 02:09:46,130 INFO L71 MaximizeFinalStates]: 0 new accepting states 58.98/48.28 [2019-03-29 02:09:46,148 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 58.98/48.28 [2019-03-29 02:09:46,151 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 58.98/48.28 [2019-03-29 02:09:46,152 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 58.98/48.28 [2019-03-29 02:09:46,152 INFO L71 MaximizeFinalStates]: 0 new accepting states 58.98/48.28 [2019-03-29 02:09:46,153 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 58.98/48.28 [2019-03-29 02:09:46,153 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 58.98/48.28 [2019-03-29 02:09:46,153 INFO L313 BlockEncoder]: Encoded RCFG 6 locations, 8 edges 58.98/48.28 [2019-03-29 02:09:46,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:09:46 BasicIcfg 58.98/48.28 [2019-03-29 02:09:46,154 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 58.98/48.28 [2019-03-29 02:09:46,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 58.98/48.28 [2019-03-29 02:09:46,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... 58.98/48.28 [2019-03-29 02:09:46,158 INFO L276 PluginConnector]: TraceAbstraction initialized 58.98/48.28 [2019-03-29 02:09:46,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:09:45" (1/4) ... 58.98/48.28 [2019-03-29 02:09:46,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c96e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:09:46, skipping insertion in model container 58.98/48.28 [2019-03-29 02:09:46,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:45" (2/4) ... 58.98/48.28 [2019-03-29 02:09:46,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c96e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:09:46, skipping insertion in model container 58.98/48.28 [2019-03-29 02:09:46,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:09:46" (3/4) ... 58.98/48.28 [2019-03-29 02:09:46,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c96e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:09:46, skipping insertion in model container 58.98/48.28 [2019-03-29 02:09:46,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:09:46" (4/4) ... 58.98/48.28 [2019-03-29 02:09:46,163 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 58.98/48.28 [2019-03-29 02:09:46,174 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 58.98/48.28 [2019-03-29 02:09:46,184 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 58.98/48.28 [2019-03-29 02:09:46,201 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 58.98/48.28 [2019-03-29 02:09:46,230 INFO L133 ementStrategyFactory]: Using default assertion order modulation 58.98/48.28 [2019-03-29 02:09:46,231 INFO L382 AbstractCegarLoop]: Interprodecural is true 58.98/48.28 [2019-03-29 02:09:46,231 INFO L383 AbstractCegarLoop]: Hoare is true 58.98/48.28 [2019-03-29 02:09:46,231 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 58.98/48.28 [2019-03-29 02:09:46,232 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 58.98/48.28 [2019-03-29 02:09:46,232 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 58.98/48.28 [2019-03-29 02:09:46,232 INFO L387 AbstractCegarLoop]: Difference is false 58.98/48.28 [2019-03-29 02:09:46,232 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 58.98/48.28 [2019-03-29 02:09:46,232 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 58.98/48.28 [2019-03-29 02:09:46,246 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. 58.98/48.28 [2019-03-29 02:09:46,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 58.98/48.28 [2019-03-29 02:09:46,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. 58.98/48.28 [2019-03-29 02:09:46,309 INFO L448 ceAbstractionStarter]: For program point L19-2(lines 19 21) no Hoare annotation was computed. 58.98/48.28 [2019-03-29 02:09:46,310 INFO L451 ceAbstractionStarter]: At program point L17-2(lines 17 29) the Hoare annotation is: true 58.98/48.28 [2019-03-29 02:09:46,310 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 58.98/48.28 [2019-03-29 02:09:46,310 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. 58.98/48.28 [2019-03-29 02:09:46,310 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 24 26) no Hoare annotation was computed. 58.98/48.28 [2019-03-29 02:09:46,310 INFO L448 ceAbstractionStarter]: For program point L19(lines 19 21) no Hoare annotation was computed. 58.98/48.28 [2019-03-29 02:09:46,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:09:46 BasicIcfg 58.98/48.28 [2019-03-29 02:09:46,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 58.98/48.28 [2019-03-29 02:09:46,320 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 58.98/48.28 [2019-03-29 02:09:46,320 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 58.98/48.28 [2019-03-29 02:09:46,323 INFO L276 PluginConnector]: BuchiAutomizer initialized 58.98/48.28 [2019-03-29 02:09:46,324 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 58.98/48.28 [2019-03-29 02:09:46,324 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:09:45" (1/5) ... 58.98/48.28 [2019-03-29 02:09:46,325 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66bc2780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:09:46, skipping insertion in model container 58.98/48.28 [2019-03-29 02:09:46,325 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 58.98/48.28 [2019-03-29 02:09:46,325 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:09:45" (2/5) ... 58.98/48.28 [2019-03-29 02:09:46,325 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66bc2780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:09:46, skipping insertion in model container 58.98/48.28 [2019-03-29 02:09:46,326 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 58.98/48.28 [2019-03-29 02:09:46,326 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:09:46" (3/5) ... 58.98/48.28 [2019-03-29 02:09:46,326 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66bc2780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:09:46, skipping insertion in model container 58.98/48.28 [2019-03-29 02:09:46,326 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 58.98/48.28 [2019-03-29 02:09:46,326 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:09:46" (4/5) ... 58.98/48.28 [2019-03-29 02:09:46,327 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66bc2780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:09:46, skipping insertion in model container 58.98/48.28 [2019-03-29 02:09:46,327 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 58.98/48.28 [2019-03-29 02:09:46,327 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:09:46" (5/5) ... 58.98/48.28 [2019-03-29 02:09:46,329 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 58.98/48.28 [2019-03-29 02:09:46,356 INFO L133 ementStrategyFactory]: Using default assertion order modulation 58.98/48.28 [2019-03-29 02:09:46,356 INFO L374 BuchiCegarLoop]: Interprodecural is true 58.98/48.28 [2019-03-29 02:09:46,356 INFO L375 BuchiCegarLoop]: Hoare is true 58.98/48.28 [2019-03-29 02:09:46,356 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 58.98/48.28 [2019-03-29 02:09:46,356 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 58.98/48.28 [2019-03-29 02:09:46,357 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 58.98/48.28 [2019-03-29 02:09:46,357 INFO L379 BuchiCegarLoop]: Difference is false 58.98/48.28 [2019-03-29 02:09:46,357 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 58.98/48.28 [2019-03-29 02:09:46,357 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 58.98/48.28 [2019-03-29 02:09:46,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. 58.98/48.28 [2019-03-29 02:09:46,378 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 58.98/48.28 [2019-03-29 02:09:46,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 58.98/48.28 [2019-03-29 02:09:46,378 INFO L119 BuchiIsEmpty]: Starting construction of run 58.98/48.28 [2019-03-29 02:09:46,384 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 58.98/48.28 [2019-03-29 02:09:46,384 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] 58.98/48.28 [2019-03-29 02:09:46,384 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 58.98/48.28 [2019-03-29 02:09:46,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. 58.98/48.28 [2019-03-29 02:09:46,385 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 58.98/48.28 [2019-03-29 02:09:46,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 58.98/48.28 [2019-03-29 02:09:46,385 INFO L119 BuchiIsEmpty]: Starting construction of run 58.98/48.28 [2019-03-29 02:09:46,386 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 58.98/48.28 [2019-03-29 02:09:46,386 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] 58.98/48.28 [2019-03-29 02:09:46,391 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [35] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_1, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~nondetNat~0, ULTIMATE.start_main_~nondetPos~0] 3#L17-2true 58.98/48.28 [2019-03-29 02:09:46,392 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true [34] L17-2-->L19: Formula: (and (= v_ULTIMATE.start_main_~nondetNat~0_4 |v_ULTIMATE.start_main_#t~nondet2_3|) (<= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~i~0_7)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_4, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~nondetNat~0] 8#L19true [40] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~nondetNat~0_5 (- v_ULTIMATE.start_main_~nondetNat~0_6)) (< v_ULTIMATE.start_main_~nondetNat~0_6 0)) InVars {ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_6} OutVars{ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~nondetNat~0] 6#L19-2true [37] L19-2-->L24: Formula: (and (= v_ULTIMATE.start_main_~nondetPos~0_4 |v_ULTIMATE.start_main_#t~nondet3_3|) (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 (* (- 1) v_ULTIMATE.start_main_~nondetNat~0_8)))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_8, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_4, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~nondetPos~0] 7#L24true [38] L24-->L24-2: Formula: (and (= v_ULTIMATE.start_main_~nondetPos~0_5 (- v_ULTIMATE.start_main_~nondetPos~0_6)) (< v_ULTIMATE.start_main_~nondetPos~0_6 0)) InVars {ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_6} OutVars{ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~nondetPos~0] 5#L24-2true [36] L24-2-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~nondetPos~0_8 (+ v_ULTIMATE.start_main_~nondetPos~0_9 1)) (= v_ULTIMATE.start_main_~j~0_8 (+ v_ULTIMATE.start_main_~j~0_9 v_ULTIMATE.start_main_~nondetPos~0_8))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~nondetPos~0] 3#L17-2true 58.98/48.28 [2019-03-29 02:09:46,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 58.98/48.28 [2019-03-29 02:09:46,398 INFO L82 PathProgramCache]: Analyzing trace with hash 66, now seen corresponding path program 1 times 58.98/48.28 [2019-03-29 02:09:46,400 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 58.98/48.28 [2019-03-29 02:09:46,401 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 58.98/48.28 [2019-03-29 02:09:46,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.28 [2019-03-29 02:09:46,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 58.98/48.28 [2019-03-29 02:09:46,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.28 [2019-03-29 02:09:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.28 [2019-03-29 02:09:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.28 [2019-03-29 02:09:46,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 58.98/48.28 [2019-03-29 02:09:46,471 INFO L82 PathProgramCache]: Analyzing trace with hash 61257276, now seen corresponding path program 1 times 58.98/48.28 [2019-03-29 02:09:46,471 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 58.98/48.28 [2019-03-29 02:09:46,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 58.98/48.28 [2019-03-29 02:09:46,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.28 [2019-03-29 02:09:46,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 58.98/48.28 [2019-03-29 02:09:46,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.28 [2019-03-29 02:09:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.28 [2019-03-29 02:09:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.28 [2019-03-29 02:09:46,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 58.98/48.28 [2019-03-29 02:09:46,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1922152091, now seen corresponding path program 1 times 58.98/48.28 [2019-03-29 02:09:46,499 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 58.98/48.28 [2019-03-29 02:09:46,499 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 58.98/48.28 [2019-03-29 02:09:46,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.28 [2019-03-29 02:09:46,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 58.98/48.28 [2019-03-29 02:09:46,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.28 [2019-03-29 02:09:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.28 [2019-03-29 02:09:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.28 [2019-03-29 02:09:46,611 INFO L216 LassoAnalysis]: Preferences: 58.98/48.28 [2019-03-29 02:09:46,612 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 58.98/48.28 [2019-03-29 02:09:46,612 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 58.98/48.28 [2019-03-29 02:09:46,613 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 58.98/48.28 [2019-03-29 02:09:46,613 INFO L127 ssoRankerPreferences]: Use exernal solver: true 58.98/48.28 [2019-03-29 02:09:46,613 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 58.98/48.28 [2019-03-29 02:09:46,613 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 58.98/48.28 [2019-03-29 02:09:46,613 INFO L130 ssoRankerPreferences]: Path of dumped script: 58.98/48.28 [2019-03-29 02:09:46,614 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 58.98/48.28 [2019-03-29 02:09:46,614 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 58.98/48.28 [2019-03-29 02:09:46,614 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 58.98/48.28 [2019-03-29 02:09:46,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.28 [2019-03-29 02:09:46,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.28 [2019-03-29 02:09:46,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.28 [2019-03-29 02:09:46,792 INFO L300 LassoAnalysis]: Preprocessing complete. 58.98/48.28 [2019-03-29 02:09:46,793 INFO L412 LassoAnalysis]: Checking for nontermination... 58.98/48.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 58.98/48.28 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 58.98/48.28 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 58.98/48.28 [2019-03-29 02:09:46,801 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 58.98/48.28 [2019-03-29 02:09:46,801 INFO L163 nArgumentSynthesizer]: Using integer mode. 58.98/48.28 [2019-03-29 02:09:46,835 INFO L445 LassoAnalysis]: Proved nontermination for one component. 58.98/48.28 [2019-03-29 02:09:46,835 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 58.98/48.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 58.98/48.28 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 58.98/48.28 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 58.98/48.28 [2019-03-29 02:09:46,843 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 58.98/48.28 [2019-03-29 02:09:46,843 INFO L163 nArgumentSynthesizer]: Using integer mode. 58.98/48.28 [2019-03-29 02:09:46,871 INFO L445 LassoAnalysis]: Proved nontermination for one component. 58.98/48.28 [2019-03-29 02:09:46,871 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 58.98/48.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 58.98/48.28 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 58.98/48.28 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 58.98/48.28 [2019-03-29 02:09:46,877 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 58.98/48.28 [2019-03-29 02:09:46,877 INFO L163 nArgumentSynthesizer]: Using integer mode. 58.98/48.28 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 58.98/48.28 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 58.98/48.28 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 58.98/48.28 [2019-03-29 02:09:46,911 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 58.98/48.28 [2019-03-29 02:09:46,911 INFO L163 nArgumentSynthesizer]: Using integer mode. 58.98/48.28 [2019-03-29 02:09:53,461 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 58.98/48.28 [2019-03-29 02:09:53,480 INFO L216 LassoAnalysis]: Preferences: 58.98/48.28 [2019-03-29 02:09:53,480 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 58.98/48.28 [2019-03-29 02:09:53,480 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 58.98/48.28 [2019-03-29 02:09:53,480 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 58.98/48.28 [2019-03-29 02:09:53,480 INFO L127 ssoRankerPreferences]: Use exernal solver: false 58.98/48.28 [2019-03-29 02:09:53,480 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 58.98/48.28 [2019-03-29 02:09:53,481 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 58.98/48.28 [2019-03-29 02:09:53,481 INFO L130 ssoRankerPreferences]: Path of dumped script: 58.98/48.28 [2019-03-29 02:09:53,481 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 58.98/48.28 [2019-03-29 02:09:53,481 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 58.98/48.28 [2019-03-29 02:09:53,481 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 58.98/48.28 [2019-03-29 02:09:53,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.28 [2019-03-29 02:09:53,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.28 [2019-03-29 02:09:53,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.28 [2019-03-29 02:09:53,605 INFO L300 LassoAnalysis]: Preprocessing complete. 58.98/48.28 [2019-03-29 02:09:53,611 INFO L497 LassoAnalysis]: Using template 'affine'. 58.98/48.28 [2019-03-29 02:09:53,613 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 58.98/48.28 Termination analysis: LINEAR_WITH_GUESSES 58.98/48.28 Number of strict supporting invariants: 0 58.98/48.28 Number of non-strict supporting invariants: 1 58.98/48.28 Consider only non-deceasing supporting invariants: true 58.98/48.28 Simplify termination arguments: true 58.98/48.28 Simplify supporting invariants: trueOverapproximate stem: false 58.98/48.28 [2019-03-29 02:09:53,614 INFO L339 nArgumentSynthesizer]: Template has degree 0. 58.98/48.28 [2019-03-29 02:09:53,615 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 58.98/48.28 [2019-03-29 02:09:53,615 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 58.98/48.28 [2019-03-29 02:09:53,615 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 58.98/48.28 [2019-03-29 02:09:53,620 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 58.98/48.28 [2019-03-29 02:09:53,620 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 58.98/48.28 [2019-03-29 02:09:53,628 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 58.98/48.28 [2019-03-29 02:09:53,628 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 58.98/48.28 Termination analysis: LINEAR_WITH_GUESSES 58.98/48.28 Number of strict supporting invariants: 0 58.98/48.28 Number of non-strict supporting invariants: 1 58.98/48.28 Consider only non-deceasing supporting invariants: true 58.98/48.28 Simplify termination arguments: true 58.98/48.28 Simplify supporting invariants: trueOverapproximate stem: false 58.98/48.28 [2019-03-29 02:09:53,629 INFO L339 nArgumentSynthesizer]: Template has degree 0. 58.98/48.28 [2019-03-29 02:09:53,629 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 58.98/48.28 [2019-03-29 02:09:53,629 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 58.98/48.28 [2019-03-29 02:09:53,629 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 58.98/48.28 [2019-03-29 02:09:53,632 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 58.98/48.28 [2019-03-29 02:09:53,632 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 58.98/48.28 [2019-03-29 02:09:53,640 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 58.98/48.28 [2019-03-29 02:09:53,640 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 58.98/48.28 Termination analysis: LINEAR_WITH_GUESSES 58.98/48.28 Number of strict supporting invariants: 0 58.98/48.28 Number of non-strict supporting invariants: 1 58.98/48.28 Consider only non-deceasing supporting invariants: true 58.98/48.28 Simplify termination arguments: true 58.98/48.28 Simplify supporting invariants: trueOverapproximate stem: false 58.98/48.28 [2019-03-29 02:09:53,641 INFO L339 nArgumentSynthesizer]: Template has degree 0. 58.98/48.28 [2019-03-29 02:09:53,641 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 58.98/48.28 [2019-03-29 02:09:53,642 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 58.98/48.28 [2019-03-29 02:09:53,642 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 58.98/48.28 [2019-03-29 02:09:53,642 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 58.98/48.28 [2019-03-29 02:09:53,644 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 58.98/48.28 [2019-03-29 02:09:53,644 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 58.98/48.28 [2019-03-29 02:09:53,663 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 58.98/48.28 [2019-03-29 02:09:53,681 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 58.98/48.28 [2019-03-29 02:09:53,681 INFO L444 ModelExtractionUtils]: 4 out of 8 variables were initially zero. Simplification set additionally 1 variables to zero. 58.98/48.28 [2019-03-29 02:09:53,684 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 58.98/48.28 [2019-03-29 02:09:53,684 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 58.98/48.28 [2019-03-29 02:09:53,684 INFO L518 LassoAnalysis]: Proved termination. 58.98/48.28 [2019-03-29 02:09:53,685 INFO L520 LassoAnalysis]: Termination argument consisting of: 58.98/48.28 Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~j~0 + 1*ULTIMATE.start_main_~i~0 58.98/48.28 Supporting invariants [] 58.98/48.28 [2019-03-29 02:09:53,686 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 58.98/48.28 [2019-03-29 02:09:53,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 58.98/48.28 [2019-03-29 02:09:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 58.98/48.28 [2019-03-29 02:09:53,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 58.98/48.28 [2019-03-29 02:09:53,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... 58.98/48.28 [2019-03-29 02:09:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 58.98/48.28 [2019-03-29 02:09:53,736 WARN L254 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 10 conjunts are in the unsatisfiable core 58.98/48.28 [2019-03-29 02:09:53,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... 58.98/48.28 [2019-03-29 02:09:53,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 58.98/48.28 [2019-03-29 02:09:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 58.98/48.28 [2019-03-29 02:09:53,906 WARN L254 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 10 conjunts are in the unsatisfiable core 58.98/48.28 [2019-03-29 02:09:53,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... 58.98/48.28 [2019-03-29 02:09:54,010 INFO L98 LoopCannibalizer]: 6 predicates before loop cannibalization 7 predicates after loop cannibalization 58.98/48.28 [2019-03-29 02:09:54,016 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 7 loop predicates 58.98/48.28 [2019-03-29 02:09:54,017 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states. Second operand 6 states. 58.98/48.28 [2019-03-29 02:09:54,637 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states.. Second operand 6 states. Result 79 states and 99 transitions. Complement of second has 46 states. 58.98/48.28 [2019-03-29 02:09:54,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 25 states 1 stem states 21 non-accepting loop states 3 accepting loop states 58.98/48.28 [2019-03-29 02:09:54,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 58.98/48.28 [2019-03-29 02:09:54,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 55 transitions. 58.98/48.28 [2019-03-29 02:09:54,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 55 transitions. Stem has 1 letters. Loop has 5 letters. 58.98/48.28 [2019-03-29 02:09:54,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. 58.98/48.28 [2019-03-29 02:09:54,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 55 transitions. Stem has 6 letters. Loop has 5 letters. 58.98/48.28 [2019-03-29 02:09:54,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. 58.98/48.28 [2019-03-29 02:09:54,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 55 transitions. Stem has 1 letters. Loop has 10 letters. 58.98/48.28 [2019-03-29 02:09:54,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. 58.98/48.28 [2019-03-29 02:09:54,667 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 79 states and 99 transitions. 58.98/48.28 [2019-03-29 02:09:54,672 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 30 58.98/48.28 [2019-03-29 02:09:54,680 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 79 states to 45 states and 57 transitions. 58.98/48.28 [2019-03-29 02:09:54,681 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 58.98/48.28 [2019-03-29 02:09:54,682 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 58.98/48.28 [2019-03-29 02:09:54,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 57 transitions. 58.98/48.28 [2019-03-29 02:09:54,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 58.98/48.28 [2019-03-29 02:09:54,683 INFO L706 BuchiCegarLoop]: Abstraction has 45 states and 57 transitions. 58.98/48.28 [2019-03-29 02:09:54,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 57 transitions. 58.98/48.28 [2019-03-29 02:09:54,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 14. 58.98/48.28 [2019-03-29 02:09:54,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. 58.98/48.28 [2019-03-29 02:09:54,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. 58.98/48.28 [2019-03-29 02:09:54,714 INFO L729 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. 58.98/48.28 [2019-03-29 02:09:54,715 INFO L609 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. 58.98/48.28 [2019-03-29 02:09:54,715 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 58.98/48.28 [2019-03-29 02:09:54,715 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. 58.98/48.28 [2019-03-29 02:09:54,716 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 58.98/48.28 [2019-03-29 02:09:54,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 58.98/48.28 [2019-03-29 02:09:54,716 INFO L119 BuchiIsEmpty]: Starting construction of run 58.98/48.28 [2019-03-29 02:09:54,716 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 58.98/48.28 [2019-03-29 02:09:54,717 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] 58.98/48.28 [2019-03-29 02:09:54,717 INFO L794 eck$LassoCheckResult]: Stem: 240#ULTIMATE.startENTRY [35] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_1, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~nondetNat~0, ULTIMATE.start_main_~nondetPos~0] 241#L17-2 [34] L17-2-->L19: Formula: (and (= v_ULTIMATE.start_main_~nondetNat~0_4 |v_ULTIMATE.start_main_#t~nondet2_3|) (<= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~i~0_7)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_4, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~nondetNat~0] 248#L19 [46] L19-->L19-2: Formula: (>= v_ULTIMATE.start_main_~nondetNat~0_7 0) InVars {ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_7} OutVars{ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_7} AuxVars[] AssignedVars[] 244#L19-2 58.98/48.28 [2019-03-29 02:09:54,717 INFO L796 eck$LassoCheckResult]: Loop: 244#L19-2 [37] L19-2-->L24: Formula: (and (= v_ULTIMATE.start_main_~nondetPos~0_4 |v_ULTIMATE.start_main_#t~nondet3_3|) (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 (* (- 1) v_ULTIMATE.start_main_~nondetNat~0_8)))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_8, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_4, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~nondetPos~0] 245#L24 [38] L24-->L24-2: Formula: (and (= v_ULTIMATE.start_main_~nondetPos~0_5 (- v_ULTIMATE.start_main_~nondetPos~0_6)) (< v_ULTIMATE.start_main_~nondetPos~0_6 0)) InVars {ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_6} OutVars{ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~nondetPos~0] 242#L24-2 [36] L24-2-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~nondetPos~0_8 (+ v_ULTIMATE.start_main_~nondetPos~0_9 1)) (= v_ULTIMATE.start_main_~j~0_8 (+ v_ULTIMATE.start_main_~j~0_9 v_ULTIMATE.start_main_~nondetPos~0_8))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~nondetPos~0] 236#L17-2 [34] L17-2-->L19: Formula: (and (= v_ULTIMATE.start_main_~nondetNat~0_4 |v_ULTIMATE.start_main_#t~nondet2_3|) (<= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~i~0_7)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_4, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~nondetNat~0] 237#L19 [40] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~nondetNat~0_5 (- v_ULTIMATE.start_main_~nondetNat~0_6)) (< v_ULTIMATE.start_main_~nondetNat~0_6 0)) InVars {ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_6} OutVars{ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~nondetNat~0] 244#L19-2 58.98/48.28 [2019-03-29 02:09:54,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 58.98/48.28 [2019-03-29 02:09:54,718 INFO L82 PathProgramCache]: Analyzing trace with hash 64526, now seen corresponding path program 1 times 58.98/48.28 [2019-03-29 02:09:54,718 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 58.98/48.28 [2019-03-29 02:09:54,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 58.98/48.28 [2019-03-29 02:09:54,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.28 [2019-03-29 02:09:54,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 58.98/48.28 [2019-03-29 02:09:54,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.28 [2019-03-29 02:09:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.28 [2019-03-29 02:09:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.28 [2019-03-29 02:09:54,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 58.98/48.28 [2019-03-29 02:09:54,728 INFO L82 PathProgramCache]: Analyzing trace with hash 63967176, now seen corresponding path program 2 times 58.98/48.28 [2019-03-29 02:09:54,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 58.98/48.28 [2019-03-29 02:09:54,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 58.98/48.28 [2019-03-29 02:09:54,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.28 [2019-03-29 02:09:54,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 58.98/48.28 [2019-03-29 02:09:54,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.28 [2019-03-29 02:09:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.28 [2019-03-29 02:09:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.28 [2019-03-29 02:09:54,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 58.98/48.28 [2019-03-29 02:09:54,741 INFO L82 PathProgramCache]: Analyzing trace with hash 523998171, now seen corresponding path program 1 times 58.98/48.28 [2019-03-29 02:09:54,741 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 58.98/48.28 [2019-03-29 02:09:54,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 58.98/48.28 [2019-03-29 02:09:54,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.28 [2019-03-29 02:09:54,743 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 58.98/48.28 [2019-03-29 02:09:54,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.28 [2019-03-29 02:09:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.28 [2019-03-29 02:09:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.28 [2019-03-29 02:09:54,796 INFO L216 LassoAnalysis]: Preferences: 58.98/48.28 [2019-03-29 02:09:54,796 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 58.98/48.28 [2019-03-29 02:09:54,796 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 58.98/48.28 [2019-03-29 02:09:54,796 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 58.98/48.28 [2019-03-29 02:09:54,797 INFO L127 ssoRankerPreferences]: Use exernal solver: true 58.98/48.28 [2019-03-29 02:09:54,797 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 58.98/48.28 [2019-03-29 02:09:54,797 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 58.98/48.28 [2019-03-29 02:09:54,797 INFO L130 ssoRankerPreferences]: Path of dumped script: 58.98/48.28 [2019-03-29 02:09:54,797 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 58.98/48.28 [2019-03-29 02:09:54,797 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 58.98/48.29 [2019-03-29 02:09:54,797 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 58.98/48.29 [2019-03-29 02:09:54,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.29 [2019-03-29 02:09:54,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.29 [2019-03-29 02:09:54,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.29 [2019-03-29 02:09:54,876 INFO L300 LassoAnalysis]: Preprocessing complete. 58.98/48.29 [2019-03-29 02:09:54,876 INFO L412 LassoAnalysis]: Checking for nontermination... 58.98/48.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 58.98/48.29 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 58.98/48.29 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 58.98/48.29 [2019-03-29 02:09:54,879 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 58.98/48.29 [2019-03-29 02:09:54,879 INFO L163 nArgumentSynthesizer]: Using integer mode. 58.98/48.29 [2019-03-29 02:09:54,908 INFO L445 LassoAnalysis]: Proved nontermination for one component. 58.98/48.29 [2019-03-29 02:09:54,908 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 58.98/48.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 58.98/48.29 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 58.98/48.29 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 58.98/48.29 [2019-03-29 02:09:54,912 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 58.98/48.29 [2019-03-29 02:09:54,912 INFO L163 nArgumentSynthesizer]: Using integer mode. 58.98/48.29 [2019-03-29 02:09:54,939 INFO L445 LassoAnalysis]: Proved nontermination for one component. 58.98/48.29 [2019-03-29 02:09:54,939 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 58.98/48.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 58.98/48.29 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 58.98/48.29 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 58.98/48.29 [2019-03-29 02:09:54,945 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 58.98/48.29 [2019-03-29 02:09:54,945 INFO L163 nArgumentSynthesizer]: Using integer mode. 58.98/48.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 58.98/48.29 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 58.98/48.29 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 58.98/48.29 [2019-03-29 02:09:54,977 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 58.98/48.29 [2019-03-29 02:09:54,977 INFO L163 nArgumentSynthesizer]: Using integer mode. 58.98/48.29 [2019-03-29 02:10:07,020 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. 58.98/48.29 [2019-03-29 02:10:07,024 INFO L216 LassoAnalysis]: Preferences: 58.98/48.29 [2019-03-29 02:10:07,025 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 58.98/48.29 [2019-03-29 02:10:07,025 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 58.98/48.29 [2019-03-29 02:10:07,025 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 58.98/48.29 [2019-03-29 02:10:07,025 INFO L127 ssoRankerPreferences]: Use exernal solver: false 58.98/48.29 [2019-03-29 02:10:07,025 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 58.98/48.29 [2019-03-29 02:10:07,025 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 58.98/48.29 [2019-03-29 02:10:07,026 INFO L130 ssoRankerPreferences]: Path of dumped script: 58.98/48.29 [2019-03-29 02:10:07,026 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 58.98/48.29 [2019-03-29 02:10:07,026 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 58.98/48.29 [2019-03-29 02:10:07,026 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 58.98/48.29 [2019-03-29 02:10:07,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.29 [2019-03-29 02:10:07,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.29 [2019-03-29 02:10:07,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.29 [2019-03-29 02:10:07,106 INFO L300 LassoAnalysis]: Preprocessing complete. 58.98/48.29 [2019-03-29 02:10:07,106 INFO L497 LassoAnalysis]: Using template 'affine'. 58.98/48.29 [2019-03-29 02:10:07,106 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 58.98/48.29 Termination analysis: LINEAR_WITH_GUESSES 58.98/48.29 Number of strict supporting invariants: 0 58.98/48.29 Number of non-strict supporting invariants: 1 58.98/48.29 Consider only non-deceasing supporting invariants: true 58.98/48.29 Simplify termination arguments: true 58.98/48.29 Simplify supporting invariants: trueOverapproximate stem: false 58.98/48.29 [2019-03-29 02:10:07,107 INFO L339 nArgumentSynthesizer]: Template has degree 0. 58.98/48.29 [2019-03-29 02:10:07,108 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 58.98/48.29 [2019-03-29 02:10:07,108 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 58.98/48.29 [2019-03-29 02:10:07,108 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 58.98/48.29 [2019-03-29 02:10:07,110 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 58.98/48.29 [2019-03-29 02:10:07,110 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 58.98/48.29 [2019-03-29 02:10:07,113 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 58.98/48.29 [2019-03-29 02:10:07,114 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 58.98/48.29 Termination analysis: LINEAR_WITH_GUESSES 58.98/48.29 Number of strict supporting invariants: 0 58.98/48.29 Number of non-strict supporting invariants: 1 58.98/48.29 Consider only non-deceasing supporting invariants: true 58.98/48.29 Simplify termination arguments: true 58.98/48.29 Simplify supporting invariants: trueOverapproximate stem: false 58.98/48.29 [2019-03-29 02:10:07,114 INFO L339 nArgumentSynthesizer]: Template has degree 0. 58.98/48.29 [2019-03-29 02:10:07,115 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 58.98/48.29 [2019-03-29 02:10:07,115 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 58.98/48.29 [2019-03-29 02:10:07,115 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 58.98/48.29 [2019-03-29 02:10:07,117 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 58.98/48.29 [2019-03-29 02:10:07,117 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 58.98/48.29 [2019-03-29 02:10:07,122 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 58.98/48.29 [2019-03-29 02:10:07,122 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 58.98/48.29 Termination analysis: LINEAR_WITH_GUESSES 58.98/48.29 Number of strict supporting invariants: 0 58.98/48.29 Number of non-strict supporting invariants: 1 58.98/48.29 Consider only non-deceasing supporting invariants: true 58.98/48.29 Simplify termination arguments: true 58.98/48.29 Simplify supporting invariants: trueOverapproximate stem: false 58.98/48.29 [2019-03-29 02:10:07,123 INFO L339 nArgumentSynthesizer]: Template has degree 0. 58.98/48.29 [2019-03-29 02:10:07,123 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 58.98/48.29 [2019-03-29 02:10:07,123 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 58.98/48.29 [2019-03-29 02:10:07,123 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 58.98/48.29 [2019-03-29 02:10:07,123 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 58.98/48.29 [2019-03-29 02:10:07,125 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 58.98/48.29 [2019-03-29 02:10:07,125 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 58.98/48.29 [2019-03-29 02:10:07,134 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 58.98/48.29 [2019-03-29 02:10:07,141 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 58.98/48.29 [2019-03-29 02:10:07,141 INFO L444 ModelExtractionUtils]: 3 out of 8 variables were initially zero. Simplification set additionally 1 variables to zero. 58.98/48.29 [2019-03-29 02:10:07,142 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 58.98/48.29 [2019-03-29 02:10:07,142 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 58.98/48.29 [2019-03-29 02:10:07,142 INFO L518 LassoAnalysis]: Proved termination. 58.98/48.29 [2019-03-29 02:10:07,142 INFO L520 LassoAnalysis]: Termination argument consisting of: 58.98/48.29 Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~nondetNat~0, ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~i~0 - 1*ULTIMATE.start_main_~nondetNat~0 - 1*ULTIMATE.start_main_~j~0 58.98/48.29 Supporting invariants [] 58.98/48.29 [2019-03-29 02:10:07,143 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 58.98/48.29 [2019-03-29 02:10:07,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 58.98/48.29 [2019-03-29 02:10:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 58.98/48.29 [2019-03-29 02:10:07,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 58.98/48.29 [2019-03-29 02:10:07,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... 58.98/48.29 [2019-03-29 02:10:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 58.98/48.29 [2019-03-29 02:10:07,181 WARN L254 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 10 conjunts are in the unsatisfiable core 58.98/48.29 [2019-03-29 02:10:07,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... 58.98/48.29 [2019-03-29 02:10:07,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 58.98/48.29 [2019-03-29 02:10:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.29 [2019-03-29 02:10:07,250 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings 58.98/48.29 [2019-03-29 02:10:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.29 [2019-03-29 02:10:07,256 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings 58.98/48.29 [2019-03-29 02:10:07,256 INFO L98 LoopCannibalizer]: 5 predicates before loop cannibalization 5 predicates after loop cannibalization 58.98/48.29 [2019-03-29 02:10:07,256 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates 58.98/48.29 [2019-03-29 02:10:07,257 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand 6 states. 58.98/48.29 [2019-03-29 02:10:07,412 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 14 states and 19 transitions. cyclomatic complexity: 7. Second operand 6 states. Result 27 states and 36 transitions. Complement of second has 12 states. 58.98/48.29 [2019-03-29 02:10:07,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 2 accepting loop states 58.98/48.29 [2019-03-29 02:10:07,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 58.98/48.29 [2019-03-29 02:10:07,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 17 transitions. 58.98/48.29 [2019-03-29 02:10:07,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 17 transitions. Stem has 3 letters. Loop has 5 letters. 58.98/48.29 [2019-03-29 02:10:07,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. 58.98/48.29 [2019-03-29 02:10:07,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 17 transitions. Stem has 8 letters. Loop has 5 letters. 58.98/48.29 [2019-03-29 02:10:07,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. 58.98/48.29 [2019-03-29 02:10:07,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 17 transitions. Stem has 3 letters. Loop has 10 letters. 58.98/48.29 [2019-03-29 02:10:07,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. 58.98/48.29 [2019-03-29 02:10:07,417 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. 58.98/48.29 [2019-03-29 02:10:07,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 58.98/48.29 [2019-03-29 02:10:07,419 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 23 states and 32 transitions. 58.98/48.29 [2019-03-29 02:10:07,419 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 58.98/48.29 [2019-03-29 02:10:07,420 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 58.98/48.29 [2019-03-29 02:10:07,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 32 transitions. 58.98/48.29 [2019-03-29 02:10:07,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 58.98/48.29 [2019-03-29 02:10:07,420 INFO L706 BuchiCegarLoop]: Abstraction has 23 states and 32 transitions. 58.98/48.29 [2019-03-29 02:10:07,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 32 transitions. 58.98/48.29 [2019-03-29 02:10:07,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. 58.98/48.29 [2019-03-29 02:10:07,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. 58.98/48.29 [2019-03-29 02:10:07,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. 58.98/48.29 [2019-03-29 02:10:07,423 INFO L729 BuchiCegarLoop]: Abstraction has 21 states and 29 transitions. 58.98/48.29 [2019-03-29 02:10:07,423 INFO L609 BuchiCegarLoop]: Abstraction has 21 states and 29 transitions. 58.98/48.29 [2019-03-29 02:10:07,423 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 58.98/48.29 [2019-03-29 02:10:07,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 29 transitions. 58.98/48.29 [2019-03-29 02:10:07,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 58.98/48.29 [2019-03-29 02:10:07,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 58.98/48.29 [2019-03-29 02:10:07,426 INFO L119 BuchiIsEmpty]: Starting construction of run 58.98/48.29 [2019-03-29 02:10:07,426 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] 58.98/48.29 [2019-03-29 02:10:07,426 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] 58.98/48.29 [2019-03-29 02:10:07,427 INFO L794 eck$LassoCheckResult]: Stem: 349#ULTIMATE.startENTRY [35] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_1, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~nondetNat~0, ULTIMATE.start_main_~nondetPos~0] 350#L17-2 [34] L17-2-->L19: Formula: (and (= v_ULTIMATE.start_main_~nondetNat~0_4 |v_ULTIMATE.start_main_#t~nondet2_3|) (<= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~i~0_7)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_4, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~nondetNat~0] 360#L19 [46] L19-->L19-2: Formula: (>= v_ULTIMATE.start_main_~nondetNat~0_7 0) InVars {ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_7} OutVars{ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_7} AuxVars[] AssignedVars[] 361#L19-2 58.98/48.29 [2019-03-29 02:10:07,427 INFO L796 eck$LassoCheckResult]: Loop: 361#L19-2 [37] L19-2-->L24: Formula: (and (= v_ULTIMATE.start_main_~nondetPos~0_4 |v_ULTIMATE.start_main_#t~nondet3_3|) (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 (* (- 1) v_ULTIMATE.start_main_~nondetNat~0_8)))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_8, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_4, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~nondetPos~0] 357#L24 [47] L24-->L24-2: Formula: (>= v_ULTIMATE.start_main_~nondetPos~0_7 0) InVars {ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_7} OutVars{ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_7} AuxVars[] AssignedVars[] 351#L24-2 [36] L24-2-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~nondetPos~0_8 (+ v_ULTIMATE.start_main_~nondetPos~0_9 1)) (= v_ULTIMATE.start_main_~j~0_8 (+ v_ULTIMATE.start_main_~j~0_9 v_ULTIMATE.start_main_~nondetPos~0_8))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~nondetPos~0] 345#L17-2 [34] L17-2-->L19: Formula: (and (= v_ULTIMATE.start_main_~nondetNat~0_4 |v_ULTIMATE.start_main_#t~nondet2_3|) (<= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~i~0_7)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_4, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~nondetNat~0] 346#L19 [46] L19-->L19-2: Formula: (>= v_ULTIMATE.start_main_~nondetNat~0_7 0) InVars {ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_7} OutVars{ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_7} AuxVars[] AssignedVars[] 361#L19-2 58.98/48.29 [2019-03-29 02:10:07,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 58.98/48.29 [2019-03-29 02:10:07,427 INFO L82 PathProgramCache]: Analyzing trace with hash 64526, now seen corresponding path program 2 times 58.98/48.29 [2019-03-29 02:10:07,427 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 58.98/48.29 [2019-03-29 02:10:07,428 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 58.98/48.29 [2019-03-29 02:10:07,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.29 [2019-03-29 02:10:07,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 58.98/48.29 [2019-03-29 02:10:07,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.29 [2019-03-29 02:10:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.29 [2019-03-29 02:10:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.29 [2019-03-29 02:10:07,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 58.98/48.29 [2019-03-29 02:10:07,436 INFO L82 PathProgramCache]: Analyzing trace with hash 64235301, now seen corresponding path program 1 times 58.98/48.29 [2019-03-29 02:10:07,436 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 58.98/48.29 [2019-03-29 02:10:07,436 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 58.98/48.29 [2019-03-29 02:10:07,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.29 [2019-03-29 02:10:07,437 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 58.98/48.29 [2019-03-29 02:10:07,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.29 [2019-03-29 02:10:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.29 [2019-03-29 02:10:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.29 [2019-03-29 02:10:07,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 58.98/48.29 [2019-03-29 02:10:07,446 INFO L82 PathProgramCache]: Analyzing trace with hash 524266296, now seen corresponding path program 1 times 58.98/48.29 [2019-03-29 02:10:07,446 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 58.98/48.29 [2019-03-29 02:10:07,446 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 58.98/48.29 [2019-03-29 02:10:07,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.29 [2019-03-29 02:10:07,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 58.98/48.29 [2019-03-29 02:10:07,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.29 [2019-03-29 02:10:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.29 [2019-03-29 02:10:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.29 [2019-03-29 02:10:07,491 INFO L216 LassoAnalysis]: Preferences: 58.98/48.29 [2019-03-29 02:10:07,491 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 58.98/48.29 [2019-03-29 02:10:07,491 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 58.98/48.29 [2019-03-29 02:10:07,491 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 58.98/48.29 [2019-03-29 02:10:07,491 INFO L127 ssoRankerPreferences]: Use exernal solver: true 58.98/48.29 [2019-03-29 02:10:07,492 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 58.98/48.29 [2019-03-29 02:10:07,492 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 58.98/48.29 [2019-03-29 02:10:07,492 INFO L130 ssoRankerPreferences]: Path of dumped script: 58.98/48.29 [2019-03-29 02:10:07,492 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 58.98/48.29 [2019-03-29 02:10:07,492 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 58.98/48.29 [2019-03-29 02:10:07,492 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 58.98/48.29 [2019-03-29 02:10:07,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.29 [2019-03-29 02:10:07,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.29 [2019-03-29 02:10:07,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.29 [2019-03-29 02:10:07,570 INFO L300 LassoAnalysis]: Preprocessing complete. 58.98/48.29 [2019-03-29 02:10:07,571 INFO L412 LassoAnalysis]: Checking for nontermination... 58.98/48.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 58.98/48.29 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 58.98/48.29 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 58.98/48.29 [2019-03-29 02:10:07,575 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 58.98/48.29 [2019-03-29 02:10:07,575 INFO L163 nArgumentSynthesizer]: Using integer mode. 58.98/48.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 58.98/48.29 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 58.98/48.29 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 58.98/48.29 [2019-03-29 02:10:07,607 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 58.98/48.29 [2019-03-29 02:10:07,608 INFO L163 nArgumentSynthesizer]: Using integer mode. 58.98/48.29 [2019-03-29 02:10:19,649 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. 58.98/48.29 [2019-03-29 02:10:19,654 INFO L216 LassoAnalysis]: Preferences: 58.98/48.29 [2019-03-29 02:10:19,654 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 58.98/48.29 [2019-03-29 02:10:19,654 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 58.98/48.29 [2019-03-29 02:10:19,654 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 58.98/48.29 [2019-03-29 02:10:19,655 INFO L127 ssoRankerPreferences]: Use exernal solver: false 58.98/48.29 [2019-03-29 02:10:19,655 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 58.98/48.29 [2019-03-29 02:10:19,655 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 58.98/48.29 [2019-03-29 02:10:19,655 INFO L130 ssoRankerPreferences]: Path of dumped script: 58.98/48.29 [2019-03-29 02:10:19,655 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Loop 58.98/48.29 [2019-03-29 02:10:19,655 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 58.98/48.29 [2019-03-29 02:10:19,655 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 58.98/48.29 [2019-03-29 02:10:19,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.29 [2019-03-29 02:10:19,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.29 [2019-03-29 02:10:19,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.29 [2019-03-29 02:10:19,730 INFO L300 LassoAnalysis]: Preprocessing complete. 58.98/48.29 [2019-03-29 02:10:19,731 INFO L497 LassoAnalysis]: Using template 'affine'. 58.98/48.29 [2019-03-29 02:10:19,731 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 58.98/48.29 Termination analysis: LINEAR_WITH_GUESSES 58.98/48.29 Number of strict supporting invariants: 0 58.98/48.29 Number of non-strict supporting invariants: 1 58.98/48.29 Consider only non-deceasing supporting invariants: true 58.98/48.29 Simplify termination arguments: true 58.98/48.29 Simplify supporting invariants: trueOverapproximate stem: false 58.98/48.29 [2019-03-29 02:10:19,732 INFO L339 nArgumentSynthesizer]: Template has degree 0. 58.98/48.29 [2019-03-29 02:10:19,732 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 58.98/48.29 [2019-03-29 02:10:19,732 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 58.98/48.29 [2019-03-29 02:10:19,733 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 58.98/48.29 [2019-03-29 02:10:19,733 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 58.98/48.29 [2019-03-29 02:10:19,734 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 58.98/48.29 [2019-03-29 02:10:19,734 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 58.98/48.29 [2019-03-29 02:10:19,741 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 58.98/48.29 [2019-03-29 02:10:19,747 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 58.98/48.29 [2019-03-29 02:10:19,747 INFO L444 ModelExtractionUtils]: 3 out of 8 variables were initially zero. Simplification set additionally 1 variables to zero. 58.98/48.29 [2019-03-29 02:10:19,748 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 58.98/48.29 [2019-03-29 02:10:19,748 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 58.98/48.29 [2019-03-29 02:10:19,748 INFO L518 LassoAnalysis]: Proved termination. 58.98/48.29 [2019-03-29 02:10:19,748 INFO L520 LassoAnalysis]: Termination argument consisting of: 58.98/48.29 Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~nondetNat~0, ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~i~0 - 1*ULTIMATE.start_main_~nondetNat~0 - 1*ULTIMATE.start_main_~j~0 58.98/48.29 Supporting invariants [] 58.98/48.29 [2019-03-29 02:10:19,749 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 58.98/48.29 [2019-03-29 02:10:19,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 58.98/48.29 [2019-03-29 02:10:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 58.98/48.29 [2019-03-29 02:10:19,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core 58.98/48.29 [2019-03-29 02:10:19,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... 58.98/48.29 [2019-03-29 02:10:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 58.98/48.29 [2019-03-29 02:10:19,776 WARN L254 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core 58.98/48.29 [2019-03-29 02:10:19,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... 58.98/48.29 [2019-03-29 02:10:19,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 58.98/48.29 [2019-03-29 02:10:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.29 [2019-03-29 02:10:19,837 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings 58.98/48.29 [2019-03-29 02:10:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.29 [2019-03-29 02:10:19,842 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings 58.98/48.29 [2019-03-29 02:10:19,842 INFO L98 LoopCannibalizer]: 5 predicates before loop cannibalization 5 predicates after loop cannibalization 58.98/48.29 [2019-03-29 02:10:19,842 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates 58.98/48.29 [2019-03-29 02:10:19,843 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 21 states and 29 transitions. cyclomatic complexity: 10 Second operand 6 states. 58.98/48.29 [2019-03-29 02:10:19,962 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 21 states and 29 transitions. cyclomatic complexity: 10. Second operand 6 states. Result 37 states and 57 transitions. Complement of second has 12 states. 58.98/48.29 [2019-03-29 02:10:19,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 2 accepting loop states 58.98/48.29 [2019-03-29 02:10:19,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 58.98/48.29 [2019-03-29 02:10:19,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 17 transitions. 58.98/48.29 [2019-03-29 02:10:19,964 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 17 transitions. Stem has 3 letters. Loop has 5 letters. 58.98/48.29 [2019-03-29 02:10:19,964 INFO L116 BuchiAccepts]: Finished buchiAccepts. 58.98/48.29 [2019-03-29 02:10:19,964 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 17 transitions. Stem has 8 letters. Loop has 5 letters. 58.98/48.29 [2019-03-29 02:10:19,965 INFO L116 BuchiAccepts]: Finished buchiAccepts. 58.98/48.29 [2019-03-29 02:10:19,965 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 17 transitions. Stem has 3 letters. Loop has 10 letters. 58.98/48.29 [2019-03-29 02:10:19,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. 58.98/48.29 [2019-03-29 02:10:19,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 57 transitions. 58.98/48.29 [2019-03-29 02:10:19,969 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 58.98/48.29 [2019-03-29 02:10:19,969 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 13 states and 15 transitions. 58.98/48.29 [2019-03-29 02:10:19,969 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 58.98/48.29 [2019-03-29 02:10:19,969 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 58.98/48.29 [2019-03-29 02:10:19,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 15 transitions. 58.98/48.29 [2019-03-29 02:10:19,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 58.98/48.29 [2019-03-29 02:10:19,970 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. 58.98/48.29 [2019-03-29 02:10:19,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 15 transitions. 58.98/48.29 [2019-03-29 02:10:19,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. 58.98/48.29 [2019-03-29 02:10:19,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. 58.98/48.29 [2019-03-29 02:10:19,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. 58.98/48.29 [2019-03-29 02:10:19,972 INFO L729 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. 58.98/48.29 [2019-03-29 02:10:19,972 INFO L609 BuchiCegarLoop]: Abstraction has 12 states and 14 transitions. 58.98/48.29 [2019-03-29 02:10:19,972 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 58.98/48.29 [2019-03-29 02:10:19,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 14 transitions. 58.98/48.29 [2019-03-29 02:10:19,972 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 58.98/48.29 [2019-03-29 02:10:19,973 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 58.98/48.29 [2019-03-29 02:10:19,973 INFO L119 BuchiIsEmpty]: Starting construction of run 58.98/48.29 [2019-03-29 02:10:19,973 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] 58.98/48.29 [2019-03-29 02:10:19,973 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] 58.98/48.29 [2019-03-29 02:10:19,974 INFO L794 eck$LassoCheckResult]: Stem: 474#ULTIMATE.startENTRY [35] ULTIMATE.startENTRY-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~j~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~i~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_1, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_1|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_1|, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_1, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_1, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_1} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~nondetNat~0, ULTIMATE.start_main_~nondetPos~0] 471#L17-2 [34] L17-2-->L19: Formula: (and (= v_ULTIMATE.start_main_~nondetNat~0_4 |v_ULTIMATE.start_main_#t~nondet2_3|) (<= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~i~0_7)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_4, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~nondetNat~0] 472#L19 [40] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~nondetNat~0_5 (- v_ULTIMATE.start_main_~nondetNat~0_6)) (< v_ULTIMATE.start_main_~nondetNat~0_6 0)) InVars {ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_6} OutVars{ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~nondetNat~0] 480#L19-2 [37] L19-2-->L24: Formula: (and (= v_ULTIMATE.start_main_~nondetPos~0_4 |v_ULTIMATE.start_main_#t~nondet3_3|) (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 (* (- 1) v_ULTIMATE.start_main_~nondetNat~0_8)))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_8, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_4, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~nondetPos~0] 481#L24 [47] L24-->L24-2: Formula: (>= v_ULTIMATE.start_main_~nondetPos~0_7 0) InVars {ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_7} OutVars{ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_7} AuxVars[] AssignedVars[] 475#L24-2 58.98/48.29 [2019-03-29 02:10:19,974 INFO L796 eck$LassoCheckResult]: Loop: 475#L24-2 [36] L24-2-->L17-2: Formula: (and (= v_ULTIMATE.start_main_~nondetPos~0_8 (+ v_ULTIMATE.start_main_~nondetPos~0_9 1)) (= v_ULTIMATE.start_main_~j~0_8 (+ v_ULTIMATE.start_main_~j~0_9 v_ULTIMATE.start_main_~nondetPos~0_8))) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_9} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~nondetPos~0] 476#L17-2 [34] L17-2-->L19: Formula: (and (= v_ULTIMATE.start_main_~nondetNat~0_4 |v_ULTIMATE.start_main_#t~nondet2_3|) (<= (+ v_ULTIMATE.start_main_~j~0_7 1) v_ULTIMATE.start_main_~i~0_7)) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_3|} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_7, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_4, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_7, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_~nondetNat~0] 482#L19 [40] L19-->L19-2: Formula: (and (= v_ULTIMATE.start_main_~nondetNat~0_5 (- v_ULTIMATE.start_main_~nondetNat~0_6)) (< v_ULTIMATE.start_main_~nondetNat~0_6 0)) InVars {ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_6} OutVars{ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~nondetNat~0] 478#L19-2 [37] L19-2-->L24: Formula: (and (= v_ULTIMATE.start_main_~nondetPos~0_4 |v_ULTIMATE.start_main_#t~nondet3_3|) (= v_ULTIMATE.start_main_~i~0_8 (+ v_ULTIMATE.start_main_~i~0_9 (* (- 1) v_ULTIMATE.start_main_~nondetNat~0_8)))) InVars {ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_9, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_8, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_3|} OutVars{ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8, ULTIMATE.start_main_~nondetNat~0=v_ULTIMATE.start_main_~nondetNat~0_8, ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_4, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~nondetPos~0] 479#L24 [38] L24-->L24-2: Formula: (and (= v_ULTIMATE.start_main_~nondetPos~0_5 (- v_ULTIMATE.start_main_~nondetPos~0_6)) (< v_ULTIMATE.start_main_~nondetPos~0_6 0)) InVars {ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_6} OutVars{ULTIMATE.start_main_~nondetPos~0=v_ULTIMATE.start_main_~nondetPos~0_5} AuxVars[] AssignedVars[ULTIMATE.start_main_~nondetPos~0] 475#L24-2 58.98/48.29 [2019-03-29 02:10:19,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 58.98/48.29 [2019-03-29 02:10:19,974 INFO L82 PathProgramCache]: Analyzing trace with hash 62004914, now seen corresponding path program 1 times 58.98/48.29 [2019-03-29 02:10:19,974 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 58.98/48.29 [2019-03-29 02:10:19,974 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 58.98/48.29 [2019-03-29 02:10:19,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.29 [2019-03-29 02:10:19,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 58.98/48.29 [2019-03-29 02:10:19,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.29 [2019-03-29 02:10:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.29 [2019-03-29 02:10:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.29 [2019-03-29 02:10:19,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 58.98/48.29 [2019-03-29 02:10:19,983 INFO L82 PathProgramCache]: Analyzing trace with hash 62928426, now seen corresponding path program 3 times 58.98/48.29 [2019-03-29 02:10:19,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 58.98/48.29 [2019-03-29 02:10:19,984 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 58.98/48.29 [2019-03-29 02:10:19,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.29 [2019-03-29 02:10:19,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 58.98/48.29 [2019-03-29 02:10:19,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.29 [2019-03-29 02:10:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.29 [2019-03-29 02:10:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.29 [2019-03-29 02:10:19,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 58.98/48.29 [2019-03-29 02:10:19,992 INFO L82 PathProgramCache]: Analyzing trace with hash -558195175, now seen corresponding path program 1 times 58.98/48.29 [2019-03-29 02:10:19,992 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 58.98/48.29 [2019-03-29 02:10:19,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 58.98/48.29 [2019-03-29 02:10:19,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.29 [2019-03-29 02:10:19,993 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 58.98/48.29 [2019-03-29 02:10:19,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 58.98/48.29 [2019-03-29 02:10:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.29 [2019-03-29 02:10:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.29 [2019-03-29 02:10:20,038 INFO L216 LassoAnalysis]: Preferences: 58.98/48.29 [2019-03-29 02:10:20,039 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 58.98/48.29 [2019-03-29 02:10:20,039 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 58.98/48.29 [2019-03-29 02:10:20,039 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 58.98/48.29 [2019-03-29 02:10:20,039 INFO L127 ssoRankerPreferences]: Use exernal solver: true 58.98/48.29 [2019-03-29 02:10:20,039 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 58.98/48.29 [2019-03-29 02:10:20,039 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 58.98/48.29 [2019-03-29 02:10:20,039 INFO L130 ssoRankerPreferences]: Path of dumped script: 58.98/48.29 [2019-03-29 02:10:20,039 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 58.98/48.29 [2019-03-29 02:10:20,040 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 58.98/48.29 [2019-03-29 02:10:20,040 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 58.98/48.29 [2019-03-29 02:10:20,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.29 [2019-03-29 02:10:20,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.29 [2019-03-29 02:10:20,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.29 [2019-03-29 02:10:20,127 INFO L300 LassoAnalysis]: Preprocessing complete. 58.98/48.29 [2019-03-29 02:10:20,127 INFO L412 LassoAnalysis]: Checking for nontermination... 58.98/48.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 58.98/48.29 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 58.98/48.29 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 58.98/48.29 [2019-03-29 02:10:20,131 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 58.98/48.29 [2019-03-29 02:10:20,131 INFO L163 nArgumentSynthesizer]: Using integer mode. 58.98/48.29 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 58.98/48.29 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 58.98/48.29 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 58.98/48.29 [2019-03-29 02:10:20,163 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 58.98/48.29 [2019-03-29 02:10:20,163 INFO L163 nArgumentSynthesizer]: Using integer mode. 58.98/48.29 [2019-03-29 02:10:29,112 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 58.98/48.29 [2019-03-29 02:10:29,116 INFO L216 LassoAnalysis]: Preferences: 58.98/48.29 [2019-03-29 02:10:29,116 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 58.98/48.29 [2019-03-29 02:10:29,116 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 58.98/48.29 [2019-03-29 02:10:29,117 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 58.98/48.29 [2019-03-29 02:10:29,117 INFO L127 ssoRankerPreferences]: Use exernal solver: false 58.98/48.29 [2019-03-29 02:10:29,117 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 58.98/48.29 [2019-03-29 02:10:29,117 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 58.98/48.29 [2019-03-29 02:10:29,117 INFO L130 ssoRankerPreferences]: Path of dumped script: 58.98/48.29 [2019-03-29 02:10:29,117 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 58.98/48.29 [2019-03-29 02:10:29,117 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 58.98/48.29 [2019-03-29 02:10:29,117 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 58.98/48.29 [2019-03-29 02:10:29,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.29 [2019-03-29 02:10:29,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.29 [2019-03-29 02:10:29,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 58.98/48.29 [2019-03-29 02:10:29,192 INFO L300 LassoAnalysis]: Preprocessing complete. 58.98/48.29 [2019-03-29 02:10:29,192 INFO L497 LassoAnalysis]: Using template 'affine'. 58.98/48.29 [2019-03-29 02:10:29,192 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 58.98/48.29 Termination analysis: LINEAR_WITH_GUESSES 58.98/48.29 Number of strict supporting invariants: 0 58.98/48.29 Number of non-strict supporting invariants: 1 58.98/48.29 Consider only non-deceasing supporting invariants: true 58.98/48.29 Simplify termination arguments: true 58.98/48.29 Simplify supporting invariants: trueOverapproximate stem: false 58.98/48.29 [2019-03-29 02:10:29,193 INFO L339 nArgumentSynthesizer]: Template has degree 0. 58.98/48.29 [2019-03-29 02:10:29,193 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 58.98/48.29 [2019-03-29 02:10:29,194 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 58.98/48.29 [2019-03-29 02:10:29,194 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 58.98/48.29 [2019-03-29 02:10:29,194 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 58.98/48.29 [2019-03-29 02:10:29,195 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 58.98/48.29 [2019-03-29 02:10:29,195 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 58.98/48.29 [2019-03-29 02:10:29,201 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 58.98/48.29 [2019-03-29 02:10:29,208 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 58.98/48.29 [2019-03-29 02:10:29,208 INFO L444 ModelExtractionUtils]: 3 out of 8 variables were initially zero. Simplification set additionally 1 variables to zero. 58.98/48.29 [2019-03-29 02:10:29,209 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 58.98/48.29 [2019-03-29 02:10:29,209 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 58.98/48.29 [2019-03-29 02:10:29,209 INFO L518 LassoAnalysis]: Proved termination. 58.98/48.29 [2019-03-29 02:10:29,209 INFO L520 LassoAnalysis]: Termination argument consisting of: 58.98/48.29 Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~nondetPos~0, ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~j~0 - 1*ULTIMATE.start_main_~nondetPos~0 + 1*ULTIMATE.start_main_~i~0 58.98/48.29 Supporting invariants [] 58.98/48.29 [2019-03-29 02:10:29,210 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 58.98/48.29 [2019-03-29 02:10:29,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 58.98/48.29 [2019-03-29 02:10:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 58.98/48.29 [2019-03-29 02:10:29,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core 58.98/48.29 [2019-03-29 02:10:29,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... 58.98/48.29 [2019-03-29 02:10:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 58.98/48.29 [2019-03-29 02:10:29,236 WARN L254 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 10 conjunts are in the unsatisfiable core 58.98/48.29 [2019-03-29 02:10:29,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... 58.98/48.29 [2019-03-29 02:10:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 58.98/48.29 [2019-03-29 02:10:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.29 [2019-03-29 02:10:29,320 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings 58.98/48.29 [2019-03-29 02:10:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 58.98/48.29 [2019-03-29 02:10:29,325 INFO L137 LoopCannibalizer]: termination argument not suffcient for all loop shiftings 58.98/48.29 [2019-03-29 02:10:29,325 INFO L98 LoopCannibalizer]: 6 predicates before loop cannibalization 6 predicates after loop cannibalization 58.98/48.29 [2019-03-29 02:10:29,326 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 6 loop predicates 58.98/48.29 [2019-03-29 02:10:29,326 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 12 states and 14 transitions. cyclomatic complexity: 4 Second operand 6 states. 58.98/48.29 [2019-03-29 02:10:29,439 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 12 states and 14 transitions. cyclomatic complexity: 4. Second operand 6 states. Result 24 states and 28 transitions. Complement of second has 18 states. 58.98/48.29 [2019-03-29 02:10:29,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 2 accepting loop states 58.98/48.29 [2019-03-29 02:10:29,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 58.98/48.29 [2019-03-29 02:10:29,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 16 transitions. 58.98/48.29 [2019-03-29 02:10:29,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 5 letters. Loop has 5 letters. 58.98/48.29 [2019-03-29 02:10:29,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. 58.98/48.29 [2019-03-29 02:10:29,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 10 letters. Loop has 5 letters. 58.98/48.29 [2019-03-29 02:10:29,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. 58.98/48.29 [2019-03-29 02:10:29,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 5 letters. Loop has 10 letters. 58.98/48.29 [2019-03-29 02:10:29,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. 58.98/48.29 [2019-03-29 02:10:29,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 28 transitions. 58.98/48.29 [2019-03-29 02:10:29,444 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 58.98/48.29 [2019-03-29 02:10:29,444 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. 58.98/48.29 [2019-03-29 02:10:29,444 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 58.98/48.29 [2019-03-29 02:10:29,444 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 58.98/48.29 [2019-03-29 02:10:29,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 58.98/48.29 [2019-03-29 02:10:29,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 58.98/48.29 [2019-03-29 02:10:29,445 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 58.98/48.29 [2019-03-29 02:10:29,445 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 58.98/48.29 [2019-03-29 02:10:29,445 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 58.98/48.29 [2019-03-29 02:10:29,445 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 58.98/48.29 [2019-03-29 02:10:29,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 58.98/48.29 [2019-03-29 02:10:29,445 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 58.98/48.29 [2019-03-29 02:10:29,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 58.98/48.29 [2019-03-29 02:10:29,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:10:29 BasicIcfg 58.98/48.29 [2019-03-29 02:10:29,452 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 58.98/48.29 [2019-03-29 02:10:29,452 INFO L168 Benchmark]: Toolchain (without parser) took 43927.54 ms. Allocated memory was 649.6 MB in the beginning and 736.6 MB in the end (delta: 87.0 MB). Free memory was 558.5 MB in the beginning and 358.6 MB in the end (delta: 199.9 MB). Peak memory consumption was 286.9 MB. Max. memory is 50.3 GB. 58.98/48.29 [2019-03-29 02:10:29,454 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 58.98/48.29 [2019-03-29 02:10:29,454 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.18 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 549.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 58.98/48.29 [2019-03-29 02:10:29,455 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.74 ms. Allocated memory was 649.6 MB in the beginning and 664.3 MB in the end (delta: 14.7 MB). Free memory was 549.1 MB in the beginning and 630.5 MB in the end (delta: -81.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 50.3 GB. 58.98/48.29 [2019-03-29 02:10:29,456 INFO L168 Benchmark]: Boogie Preprocessor took 20.07 ms. Allocated memory is still 664.3 MB. Free memory was 630.5 MB in the beginning and 628.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 58.98/48.29 [2019-03-29 02:10:29,456 INFO L168 Benchmark]: RCFGBuilder took 199.65 ms. Allocated memory is still 664.3 MB. Free memory was 627.4 MB in the beginning and 614.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 50.3 GB. 58.98/48.29 [2019-03-29 02:10:29,457 INFO L168 Benchmark]: BlockEncodingV2 took 78.22 ms. Allocated memory is still 664.3 MB. Free memory was 614.3 MB in the beginning and 608.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 58.98/48.29 [2019-03-29 02:10:29,457 INFO L168 Benchmark]: TraceAbstraction took 164.24 ms. Allocated memory is still 664.3 MB. Free memory was 608.9 MB in the beginning and 599.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 58.98/48.29 [2019-03-29 02:10:29,458 INFO L168 Benchmark]: BuchiAutomizer took 43132.14 ms. Allocated memory was 664.3 MB in the beginning and 736.6 MB in the end (delta: 72.4 MB). Free memory was 599.5 MB in the beginning and 358.6 MB in the end (delta: 240.9 MB). Peak memory consumption was 313.2 MB. Max. memory is 50.3 GB. 58.98/48.29 [2019-03-29 02:10:29,462 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 58.98/48.29 --- Results --- 58.98/48.29 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 58.98/48.29 - StatisticsResult: Initial Icfg 58.98/48.29 10 locations, 13 edges 58.98/48.29 - StatisticsResult: Encoded RCFG 58.98/48.29 6 locations, 8 edges 58.98/48.29 * Results from de.uni_freiburg.informatik.ultimate.core: 58.98/48.29 - StatisticsResult: Toolchain Benchmarks 58.98/48.29 Benchmark results are: 58.98/48.29 * CDTParser took 0.18 ms. Allocated memory is still 649.6 MB. Free memory is still 580.1 MB. There was no memory consumed. Max. memory is 50.3 GB. 58.98/48.29 * CACSL2BoogieTranslator took 234.18 ms. Allocated memory is still 649.6 MB. Free memory was 558.5 MB in the beginning and 549.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 58.98/48.29 * Boogie Procedure Inliner took 93.74 ms. Allocated memory was 649.6 MB in the beginning and 664.3 MB in the end (delta: 14.7 MB). Free memory was 549.1 MB in the beginning and 630.5 MB in the end (delta: -81.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 50.3 GB. 58.98/48.29 * Boogie Preprocessor took 20.07 ms. Allocated memory is still 664.3 MB. Free memory was 630.5 MB in the beginning and 628.7 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 50.3 GB. 58.98/48.29 * RCFGBuilder took 199.65 ms. Allocated memory is still 664.3 MB. Free memory was 627.4 MB in the beginning and 614.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 50.3 GB. 58.98/48.29 * BlockEncodingV2 took 78.22 ms. Allocated memory is still 664.3 MB. Free memory was 614.3 MB in the beginning and 608.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 50.3 GB. 58.98/48.29 * TraceAbstraction took 164.24 ms. Allocated memory is still 664.3 MB. Free memory was 608.9 MB in the beginning and 599.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 50.3 GB. 58.98/48.29 * BuchiAutomizer took 43132.14 ms. Allocated memory was 664.3 MB in the beginning and 736.6 MB in the end (delta: 72.4 MB). Free memory was 599.5 MB in the beginning and 358.6 MB in the end (delta: 240.9 MB). Peak memory consumption was 313.2 MB. Max. memory is 50.3 GB. 58.98/48.29 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 58.98/48.29 - AllSpecificationsHoldResult: All specifications hold 58.98/48.29 We were not able to verify any specifiation because the program does not contain any specification. 58.98/48.29 - InvariantResult [Line: 17]: Loop Invariant 58.98/48.29 Derived loop invariant: 1 58.98/48.29 - StatisticsResult: Ultimate Automizer benchmark data 58.98/48.29 CFG has 1 procedures, 6 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 58.98/48.29 - StatisticsResult: Constructed decomposition of program 58.98/48.29 Your program was decomposed into 4 terminating modules (0 trivial, 0 deterministic, 4 nondeterministic). One nondeterministic module has affine ranking function -1 * j + i and consists of 25 locations. One nondeterministic module has affine ranking function i + -1 * nondetNat + -1 * j and consists of 7 locations. One nondeterministic module has affine ranking function i + -1 * nondetNat + -1 * j and consists of 7 locations. One nondeterministic module has affine ranking function -1 * j + -1 * nondetPos + i and consists of 8 locations. 58.98/48.29 - StatisticsResult: Timing statistics 58.98/48.29 BüchiAutomizer plugin needed 43.1s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 41.3s. Construction of modules took 0.1s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 34 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 21 states and ocurred in iteration 2. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 37 SDtfs, 88 SDslu, 80 SDs, 0 SdLazy, 186 SolverSat, 57 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital34 mio100 ax134 hnf95 lsp73 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq172 hnf92 smp100 dnf100 smp100 tf103 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 39.8s 58.98/48.29 - TerminationAnalysisResult: Termination proven 58.98/48.29 Buchi Automizer proved that your program is terminating 58.98/48.29 RESULT: Ultimate proved your program to be correct! 58.98/48.29 !SESSION 2019-03-29 02:09:42.206 ----------------------------------------------- 58.98/48.29 eclipse.buildId=unknown 58.98/48.29 java.version=1.8.0_181 58.98/48.29 java.vendor=Oracle Corporation 58.98/48.29 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 58.98/48.29 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 58.98/48.29 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 58.98/48.29 58.98/48.29 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:10:29.695 58.98/48.29 !MESSAGE The workspace will exit with unsaved changes in this session. 58.98/48.29 Received shutdown request... 58.98/48.29 Ultimate: 58.98/48.29 GTK+ Version Check 58.98/48.29 EOF