15.23/7.18 YES 15.23/7.18 15.23/7.18 Ultimate: Cannot open display: 15.23/7.18 This is Ultimate 0.1.24-8dc7c08-m 15.23/7.18 [2019-03-29 01:59:45,265 INFO L170 SettingsManager]: Resetting all preferences to default values... 15.23/7.18 [2019-03-29 01:59:45,268 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 15.23/7.18 [2019-03-29 01:59:45,279 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 15.23/7.18 [2019-03-29 01:59:45,279 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 15.23/7.18 [2019-03-29 01:59:45,280 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 15.23/7.18 [2019-03-29 01:59:45,282 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 15.23/7.18 [2019-03-29 01:59:45,283 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 15.23/7.18 [2019-03-29 01:59:45,285 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 15.23/7.18 [2019-03-29 01:59:45,285 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 15.23/7.18 [2019-03-29 01:59:45,286 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 15.23/7.18 [2019-03-29 01:59:45,286 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 15.23/7.18 [2019-03-29 01:59:45,287 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 15.23/7.18 [2019-03-29 01:59:45,288 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 15.23/7.18 [2019-03-29 01:59:45,289 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 15.23/7.18 [2019-03-29 01:59:45,290 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 15.23/7.18 [2019-03-29 01:59:45,291 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 15.23/7.18 [2019-03-29 01:59:45,293 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 15.23/7.18 [2019-03-29 01:59:45,295 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 15.23/7.18 [2019-03-29 01:59:45,296 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 15.23/7.18 [2019-03-29 01:59:45,297 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 15.23/7.18 [2019-03-29 01:59:45,298 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 15.23/7.18 [2019-03-29 01:59:45,300 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 15.23/7.18 [2019-03-29 01:59:45,301 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 15.23/7.18 [2019-03-29 01:59:45,301 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 15.23/7.18 [2019-03-29 01:59:45,302 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 15.23/7.18 [2019-03-29 01:59:45,302 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 15.23/7.18 [2019-03-29 01:59:45,303 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 15.23/7.18 [2019-03-29 01:59:45,304 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 15.23/7.18 [2019-03-29 01:59:45,304 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 15.23/7.18 [2019-03-29 01:59:45,305 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 15.23/7.18 [2019-03-29 01:59:45,306 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 15.23/7.18 [2019-03-29 01:59:45,307 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 15.23/7.18 [2019-03-29 01:59:45,307 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 15.23/7.18 [2019-03-29 01:59:45,308 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 15.23/7.18 [2019-03-29 01:59:45,308 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 15.23/7.18 [2019-03-29 01:59:45,308 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 15.23/7.18 [2019-03-29 01:59:45,309 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 15.23/7.18 [2019-03-29 01:59:45,310 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 15.23/7.18 [2019-03-29 01:59:45,310 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 15.23/7.18 [2019-03-29 01:59:45,325 INFO L110 SettingsManager]: Loading preferences was successful 15.23/7.18 [2019-03-29 01:59:45,325 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 15.23/7.18 [2019-03-29 01:59:45,326 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 15.23/7.18 [2019-03-29 01:59:45,326 INFO L133 SettingsManager]: * Rewrite not-equals=true 15.23/7.18 [2019-03-29 01:59:45,326 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 15.23/7.18 [2019-03-29 01:59:45,327 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 15.23/7.18 [2019-03-29 01:59:45,327 INFO L133 SettingsManager]: * Use SBE=true 15.23/7.18 [2019-03-29 01:59:45,327 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 15.23/7.18 [2019-03-29 01:59:45,327 INFO L133 SettingsManager]: * Use old map elimination=false 15.23/7.18 [2019-03-29 01:59:45,328 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 15.23/7.18 [2019-03-29 01:59:45,328 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 15.23/7.18 [2019-03-29 01:59:45,328 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 15.23/7.18 [2019-03-29 01:59:45,328 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 15.23/7.18 [2019-03-29 01:59:45,328 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 15.23/7.18 [2019-03-29 01:59:45,328 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:45,329 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 15.23/7.18 [2019-03-29 01:59:45,329 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 15.23/7.18 [2019-03-29 01:59:45,329 INFO L133 SettingsManager]: * Check division by zero=IGNORE 15.23/7.18 [2019-03-29 01:59:45,329 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 15.23/7.18 [2019-03-29 01:59:45,330 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 15.23/7.18 [2019-03-29 01:59:45,330 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 15.23/7.18 [2019-03-29 01:59:45,330 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 15.23/7.18 [2019-03-29 01:59:45,330 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 15.23/7.18 [2019-03-29 01:59:45,330 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 15.23/7.18 [2019-03-29 01:59:45,330 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.23/7.18 [2019-03-29 01:59:45,331 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 15.23/7.18 [2019-03-29 01:59:45,331 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 15.23/7.18 [2019-03-29 01:59:45,331 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 15.23/7.18 [2019-03-29 01:59:45,331 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 15.23/7.18 [2019-03-29 01:59:45,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 15.23/7.18 [2019-03-29 01:59:45,370 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 15.23/7.18 [2019-03-29 01:59:45,374 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 15.23/7.18 [2019-03-29 01:59:45,376 INFO L271 PluginConnector]: Initializing CDTParser... 15.23/7.18 [2019-03-29 01:59:45,376 INFO L276 PluginConnector]: CDTParser initialized 15.23/7.18 [2019-03-29 01:59:45,377 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 15.23/7.18 [2019-03-29 01:59:45,442 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/ee8a7e623c574a619150cc9bb60e0b7b/FLAG002d1368e 15.23/7.18 [2019-03-29 01:59:45,787 INFO L307 CDTParser]: Found 1 translation units. 15.23/7.18 [2019-03-29 01:59:45,788 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 15.23/7.18 [2019-03-29 01:59:45,795 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/ee8a7e623c574a619150cc9bb60e0b7b/FLAG002d1368e 15.23/7.18 [2019-03-29 01:59:46,187 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/ee8a7e623c574a619150cc9bb60e0b7b 15.23/7.18 [2019-03-29 01:59:46,200 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 15.23/7.18 [2019-03-29 01:59:46,201 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 15.23/7.18 [2019-03-29 01:59:46,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 15.23/7.18 [2019-03-29 01:59:46,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 15.23/7.18 [2019-03-29 01:59:46,207 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 15.23/7.18 [2019-03-29 01:59:46,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:59:46" (1/1) ... 15.23/7.18 [2019-03-29 01:59:46,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@707ea5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:59:46, skipping insertion in model container 15.23/7.18 [2019-03-29 01:59:46,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 01:59:46" (1/1) ... 15.23/7.18 [2019-03-29 01:59:46,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 15.23/7.18 [2019-03-29 01:59:46,239 INFO L176 MainTranslator]: Built tables and reachable declarations 15.23/7.18 [2019-03-29 01:59:46,399 INFO L206 PostProcessor]: Analyzing one entry point: main 15.23/7.18 [2019-03-29 01:59:46,403 INFO L191 MainTranslator]: Completed pre-run 15.23/7.18 [2019-03-29 01:59:46,420 INFO L206 PostProcessor]: Analyzing one entry point: main 15.23/7.18 [2019-03-29 01:59:46,436 INFO L195 MainTranslator]: Completed translation 15.23/7.18 [2019-03-29 01:59:46,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:59:46 WrapperNode 15.23/7.18 [2019-03-29 01:59:46,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 15.23/7.18 [2019-03-29 01:59:46,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 15.23/7.18 [2019-03-29 01:59:46,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 15.23/7.18 [2019-03-29 01:59:46,438 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 15.23/7.18 [2019-03-29 01:59:46,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:59:46" (1/1) ... 15.23/7.18 [2019-03-29 01:59:46,513 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:59:46" (1/1) ... 15.23/7.18 [2019-03-29 01:59:46,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 15.23/7.18 [2019-03-29 01:59:46,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 15.23/7.18 [2019-03-29 01:59:46,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 15.23/7.18 [2019-03-29 01:59:46,534 INFO L276 PluginConnector]: Boogie Preprocessor initialized 15.23/7.18 [2019-03-29 01:59:46,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:59:46" (1/1) ... 15.23/7.18 [2019-03-29 01:59:46,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:59:46" (1/1) ... 15.23/7.18 [2019-03-29 01:59:46,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:59:46" (1/1) ... 15.23/7.18 [2019-03-29 01:59:46,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:59:46" (1/1) ... 15.23/7.18 [2019-03-29 01:59:46,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:59:46" (1/1) ... 15.23/7.18 [2019-03-29 01:59:46,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:59:46" (1/1) ... 15.23/7.18 [2019-03-29 01:59:46,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:59:46" (1/1) ... 15.23/7.18 [2019-03-29 01:59:46,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 15.23/7.18 [2019-03-29 01:59:46,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 15.23/7.18 [2019-03-29 01:59:46,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... 15.23/7.18 [2019-03-29 01:59:46,555 INFO L276 PluginConnector]: RCFGBuilder initialized 15.23/7.18 [2019-03-29 01:59:46,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:59:46" (1/1) ... 15.23/7.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.23/7.18 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 15.23/7.18 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 15.23/7.18 [2019-03-29 01:59:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 15.23/7.18 [2019-03-29 01:59:46,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 15.23/7.18 [2019-03-29 01:59:46,739 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 15.23/7.18 [2019-03-29 01:59:46,740 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. 15.23/7.18 [2019-03-29 01:59:46,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:59:46 BoogieIcfgContainer 15.23/7.18 [2019-03-29 01:59:46,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 15.23/7.18 [2019-03-29 01:59:46,742 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 15.23/7.18 [2019-03-29 01:59:46,742 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 15.23/7.18 [2019-03-29 01:59:46,744 INFO L276 PluginConnector]: BlockEncodingV2 initialized 15.23/7.18 [2019-03-29 01:59:46,745 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:59:46" (1/1) ... 15.23/7.18 [2019-03-29 01:59:46,759 INFO L313 BlockEncoder]: Initial Icfg 7 locations, 9 edges 15.23/7.18 [2019-03-29 01:59:46,760 INFO L258 BlockEncoder]: Using Remove infeasible edges 15.23/7.18 [2019-03-29 01:59:46,761 INFO L263 BlockEncoder]: Using Maximize final states 15.23/7.18 [2019-03-29 01:59:46,762 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 15.23/7.18 [2019-03-29 01:59:46,762 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 15.23/7.18 [2019-03-29 01:59:46,764 INFO L296 BlockEncoder]: Using Remove sink states 15.23/7.18 [2019-03-29 01:59:46,765 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 15.23/7.18 [2019-03-29 01:59:46,765 INFO L179 BlockEncoder]: Using Rewrite not-equals 15.23/7.18 [2019-03-29 01:59:46,780 INFO L185 BlockEncoder]: Using Use SBE 15.23/7.18 [2019-03-29 01:59:46,795 INFO L200 BlockEncoder]: SBE split 1 edges 15.23/7.18 [2019-03-29 01:59:46,799 INFO L70 emoveInfeasibleEdges]: Removed 1 edges and 0 locations because of local infeasibility 15.23/7.18 [2019-03-29 01:59:46,801 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.23/7.18 [2019-03-29 01:59:46,816 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 15.23/7.18 [2019-03-29 01:59:46,818 INFO L70 RemoveSinkStates]: Removed 1 edges and 1 locations by removing sink states 15.23/7.18 [2019-03-29 01:59:46,819 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 15.23/7.18 [2019-03-29 01:59:46,819 INFO L71 MaximizeFinalStates]: 0 new accepting states 15.23/7.18 [2019-03-29 01:59:46,820 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 15.23/7.18 [2019-03-29 01:59:46,820 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 15.23/7.18 [2019-03-29 01:59:46,820 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 5 edges 15.23/7.18 [2019-03-29 01:59:46,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:59:46 BasicIcfg 15.23/7.18 [2019-03-29 01:59:46,821 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 15.23/7.18 [2019-03-29 01:59:46,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 15.23/7.18 [2019-03-29 01:59:46,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... 15.23/7.18 [2019-03-29 01:59:46,825 INFO L276 PluginConnector]: TraceAbstraction initialized 15.23/7.18 [2019-03-29 01:59:46,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 01:59:46" (1/4) ... 15.23/7.18 [2019-03-29 01:59:46,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22180ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:59:46, skipping insertion in model container 15.23/7.18 [2019-03-29 01:59:46,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:59:46" (2/4) ... 15.23/7.18 [2019-03-29 01:59:46,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22180ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 01:59:46, skipping insertion in model container 15.23/7.18 [2019-03-29 01:59:46,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:59:46" (3/4) ... 15.23/7.18 [2019-03-29 01:59:46,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22180ba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:59:46, skipping insertion in model container 15.23/7.18 [2019-03-29 01:59:46,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:59:46" (4/4) ... 15.23/7.18 [2019-03-29 01:59:46,830 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.23/7.18 [2019-03-29 01:59:46,840 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 15.23/7.18 [2019-03-29 01:59:46,849 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 15.23/7.18 [2019-03-29 01:59:46,866 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 15.23/7.18 [2019-03-29 01:59:46,895 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.23/7.18 [2019-03-29 01:59:46,895 INFO L382 AbstractCegarLoop]: Interprodecural is true 15.23/7.18 [2019-03-29 01:59:46,896 INFO L383 AbstractCegarLoop]: Hoare is true 15.23/7.18 [2019-03-29 01:59:46,896 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 15.23/7.18 [2019-03-29 01:59:46,896 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 15.23/7.18 [2019-03-29 01:59:46,896 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.23/7.18 [2019-03-29 01:59:46,896 INFO L387 AbstractCegarLoop]: Difference is false 15.23/7.18 [2019-03-29 01:59:46,897 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 15.23/7.18 [2019-03-29 01:59:46,897 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 15.23/7.18 [2019-03-29 01:59:46,911 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 15.23/7.18 [2019-03-29 01:59:46,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 15.23/7.18 [2019-03-29 01:59:46,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 15.23/7.18 [2019-03-29 01:59:46,971 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 15.23/7.18 [2019-03-29 01:59:46,971 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 27) no Hoare annotation was computed. 15.23/7.18 [2019-03-29 01:59:46,971 INFO L451 ceAbstractionStarter]: At program point L23-2(lines 22 28) the Hoare annotation is: true 15.23/7.18 [2019-03-29 01:59:46,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:59:46 BasicIcfg 15.23/7.18 [2019-03-29 01:59:46,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 15.23/7.18 [2019-03-29 01:59:46,980 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 15.23/7.18 [2019-03-29 01:59:46,980 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 15.23/7.18 [2019-03-29 01:59:46,984 INFO L276 PluginConnector]: BuchiAutomizer initialized 15.23/7.18 [2019-03-29 01:59:46,985 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.23/7.18 [2019-03-29 01:59:46,985 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 01:59:46" (1/5) ... 15.23/7.18 [2019-03-29 01:59:46,985 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b7f0fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:59:46, skipping insertion in model container 15.23/7.18 [2019-03-29 01:59:46,985 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.23/7.18 [2019-03-29 01:59:46,986 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 01:59:46" (2/5) ... 15.23/7.18 [2019-03-29 01:59:46,986 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b7f0fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 01:59:46, skipping insertion in model container 15.23/7.18 [2019-03-29 01:59:46,986 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.23/7.18 [2019-03-29 01:59:46,986 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 01:59:46" (3/5) ... 15.23/7.18 [2019-03-29 01:59:46,987 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b7f0fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:59:46, skipping insertion in model container 15.23/7.18 [2019-03-29 01:59:46,987 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.23/7.18 [2019-03-29 01:59:46,987 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 01:59:46" (4/5) ... 15.23/7.18 [2019-03-29 01:59:46,988 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b7f0fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:59:46, skipping insertion in model container 15.23/7.18 [2019-03-29 01:59:46,988 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 15.23/7.18 [2019-03-29 01:59:46,988 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 01:59:46" (5/5) ... 15.23/7.18 [2019-03-29 01:59:46,989 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 15.23/7.18 [2019-03-29 01:59:47,017 INFO L133 ementStrategyFactory]: Using default assertion order modulation 15.23/7.18 [2019-03-29 01:59:47,018 INFO L374 BuchiCegarLoop]: Interprodecural is true 15.23/7.18 [2019-03-29 01:59:47,018 INFO L375 BuchiCegarLoop]: Hoare is true 15.23/7.18 [2019-03-29 01:59:47,018 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 15.23/7.18 [2019-03-29 01:59:47,018 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 15.23/7.18 [2019-03-29 01:59:47,018 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 15.23/7.18 [2019-03-29 01:59:47,018 INFO L379 BuchiCegarLoop]: Difference is false 15.23/7.18 [2019-03-29 01:59:47,018 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 15.23/7.18 [2019-03-29 01:59:47,019 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 15.23/7.18 [2019-03-29 01:59:47,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.23/7.18 [2019-03-29 01:59:47,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.23/7.18 [2019-03-29 01:59:47,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.23/7.18 [2019-03-29 01:59:47,041 INFO L119 BuchiIsEmpty]: Starting construction of run 15.23/7.18 [2019-03-29 01:59:47,046 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.23/7.18 [2019-03-29 01:59:47,046 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.23/7.18 [2019-03-29 01:59:47,046 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 15.23/7.18 [2019-03-29 01:59:47,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 15.23/7.18 [2019-03-29 01:59:47,047 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.23/7.18 [2019-03-29 01:59:47,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.23/7.18 [2019-03-29 01:59:47,047 INFO L119 BuchiIsEmpty]: Starting construction of run 15.23/7.18 [2019-03-29 01:59:47,047 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.23/7.18 [2019-03-29 01:59:47,048 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.23/7.18 [2019-03-29 01:59:47,053 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue [27] ULTIMATE.startENTRY-->L23-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 3#L23-2true 15.23/7.18 [2019-03-29 01:59:47,053 INFO L796 eck$LassoCheckResult]: Loop: 3#L23-2true [35] L23-2-->L23: Formula: (<= 0 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} AuxVars[] AssignedVars[] 5#L23true [34] L23-->L23-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 (- 1))) (> 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 3#L23-2true 15.23/7.18 [2019-03-29 01:59:47,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.23/7.18 [2019-03-29 01:59:47,059 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times 15.23/7.18 [2019-03-29 01:59:47,061 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.23/7.18 [2019-03-29 01:59:47,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.23/7.18 [2019-03-29 01:59:47,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:47,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:47,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:47,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.23/7.18 [2019-03-29 01:59:47,136 INFO L82 PathProgramCache]: Analyzing trace with hash 2080, now seen corresponding path program 1 times 15.23/7.18 [2019-03-29 01:59:47,136 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.23/7.18 [2019-03-29 01:59:47,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.23/7.18 [2019-03-29 01:59:47,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:47,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:47,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:47,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.23/7.18 [2019-03-29 01:59:47,150 INFO L82 PathProgramCache]: Analyzing trace with hash 56857, now seen corresponding path program 1 times 15.23/7.18 [2019-03-29 01:59:47,150 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.23/7.18 [2019-03-29 01:59:47,150 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.23/7.18 [2019-03-29 01:59:47,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:47,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:47,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:47,201 INFO L216 LassoAnalysis]: Preferences: 15.23/7.18 [2019-03-29 01:59:47,203 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.23/7.18 [2019-03-29 01:59:47,203 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.23/7.18 [2019-03-29 01:59:47,203 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.23/7.18 [2019-03-29 01:59:47,203 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.23/7.18 [2019-03-29 01:59:47,203 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:47,204 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.23/7.18 [2019-03-29 01:59:47,204 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.23/7.18 [2019-03-29 01:59:47,204 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.23/7.18 [2019-03-29 01:59:47,204 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.23/7.18 [2019-03-29 01:59:47,204 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.23/7.18 [2019-03-29 01:59:47,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:47,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:47,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:47,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:47,316 INFO L300 LassoAnalysis]: Preprocessing complete. 15.23/7.18 [2019-03-29 01:59:47,317 INFO L412 LassoAnalysis]: Checking for nontermination... 15.23/7.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.23/7.18 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.23/7.18 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:47,325 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.23/7.18 [2019-03-29 01:59:47,326 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.23/7.18 [2019-03-29 01:59:47,360 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.23/7.18 [2019-03-29 01:59:47,360 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: [] 15.23/7.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.23/7.18 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.23/7.18 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:47,367 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.23/7.18 [2019-03-29 01:59:47,367 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.23/7.18 [2019-03-29 01:59:47,395 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.23/7.18 [2019-03-29 01:59:47,395 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: [] 15.23/7.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.23/7.18 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.23/7.18 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:47,400 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.23/7.18 [2019-03-29 01:59:47,400 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.23/7.18 [2019-03-29 01:59:47,431 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.23/7.18 [2019-03-29 01:59:47,431 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0=-1} Honda state: {ULTIMATE.start_main_~x~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.23/7.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.23/7.18 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.23/7.18 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:47,436 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.23/7.18 [2019-03-29 01:59:47,437 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.23/7.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.23/7.18 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.23/7.18 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:47,467 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.23/7.18 [2019-03-29 01:59:47,467 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.23/7.18 [2019-03-29 01:59:47,499 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.23/7.18 [2019-03-29 01:59:47,501 INFO L216 LassoAnalysis]: Preferences: 15.23/7.18 [2019-03-29 01:59:47,501 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.23/7.18 [2019-03-29 01:59:47,501 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.23/7.18 [2019-03-29 01:59:47,502 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.23/7.18 [2019-03-29 01:59:47,502 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.23/7.18 [2019-03-29 01:59:47,502 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:47,502 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.23/7.18 [2019-03-29 01:59:47,502 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.23/7.18 [2019-03-29 01:59:47,502 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 15.23/7.18 [2019-03-29 01:59:47,502 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.23/7.18 [2019-03-29 01:59:47,503 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.23/7.18 [2019-03-29 01:59:47,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:47,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:47,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:47,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:47,581 INFO L300 LassoAnalysis]: Preprocessing complete. 15.23/7.18 [2019-03-29 01:59:47,587 INFO L497 LassoAnalysis]: Using template 'affine'. 15.23/7.18 [2019-03-29 01:59:47,589 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.23/7.18 Termination analysis: LINEAR_WITH_GUESSES 15.23/7.18 Number of strict supporting invariants: 0 15.23/7.18 Number of non-strict supporting invariants: 1 15.23/7.18 Consider only non-deceasing supporting invariants: true 15.23/7.18 Simplify termination arguments: true 15.23/7.18 Simplify supporting invariants: trueOverapproximate stem: false 15.23/7.18 [2019-03-29 01:59:47,590 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.23/7.18 [2019-03-29 01:59:47,591 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.23/7.18 [2019-03-29 01:59:47,591 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.23/7.18 [2019-03-29 01:59:47,591 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.23/7.18 [2019-03-29 01:59:47,596 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.23/7.18 [2019-03-29 01:59:47,596 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.23/7.18 [2019-03-29 01:59:47,605 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.23/7.18 [2019-03-29 01:59:47,606 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.23/7.18 Termination analysis: LINEAR_WITH_GUESSES 15.23/7.18 Number of strict supporting invariants: 0 15.23/7.18 Number of non-strict supporting invariants: 1 15.23/7.18 Consider only non-deceasing supporting invariants: true 15.23/7.18 Simplify termination arguments: true 15.23/7.18 Simplify supporting invariants: trueOverapproximate stem: false 15.23/7.18 [2019-03-29 01:59:47,607 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.23/7.18 [2019-03-29 01:59:47,607 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.23/7.18 [2019-03-29 01:59:47,607 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.23/7.18 [2019-03-29 01:59:47,607 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.23/7.18 [2019-03-29 01:59:47,610 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.23/7.18 [2019-03-29 01:59:47,610 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.23/7.18 [2019-03-29 01:59:47,619 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.23/7.18 [2019-03-29 01:59:47,619 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.23/7.18 Termination analysis: LINEAR_WITH_GUESSES 15.23/7.18 Number of strict supporting invariants: 0 15.23/7.18 Number of non-strict supporting invariants: 1 15.23/7.18 Consider only non-deceasing supporting invariants: true 15.23/7.18 Simplify termination arguments: true 15.23/7.18 Simplify supporting invariants: trueOverapproximate stem: false 15.23/7.18 [2019-03-29 01:59:47,620 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.23/7.18 [2019-03-29 01:59:47,620 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.23/7.18 [2019-03-29 01:59:47,621 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.23/7.18 [2019-03-29 01:59:47,621 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.23/7.18 [2019-03-29 01:59:47,621 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.23/7.18 [2019-03-29 01:59:47,622 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.23/7.18 [2019-03-29 01:59:47,622 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.23/7.18 [2019-03-29 01:59:47,623 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.23/7.18 [2019-03-29 01:59:47,624 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.23/7.18 Termination analysis: LINEAR_WITH_GUESSES 15.23/7.18 Number of strict supporting invariants: 0 15.23/7.18 Number of non-strict supporting invariants: 1 15.23/7.18 Consider only non-deceasing supporting invariants: true 15.23/7.18 Simplify termination arguments: true 15.23/7.18 Simplify supporting invariants: trueOverapproximate stem: false 15.23/7.18 [2019-03-29 01:59:47,625 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.23/7.18 [2019-03-29 01:59:47,625 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.23/7.18 [2019-03-29 01:59:47,625 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.23/7.18 [2019-03-29 01:59:47,625 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.23/7.18 [2019-03-29 01:59:47,625 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.23/7.18 [2019-03-29 01:59:47,626 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.23/7.18 [2019-03-29 01:59:47,626 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.23/7.18 [2019-03-29 01:59:47,632 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.23/7.18 [2019-03-29 01:59:47,637 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.23/7.18 [2019-03-29 01:59:47,637 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 15.23/7.18 [2019-03-29 01:59:47,639 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.23/7.18 [2019-03-29 01:59:47,640 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.23/7.18 [2019-03-29 01:59:47,640 INFO L518 LassoAnalysis]: Proved termination. 15.23/7.18 [2019-03-29 01:59:47,640 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.23/7.18 Ranking function f(ULTIMATE.start_main_~y~0) = 2*ULTIMATE.start_main_~y~0 + 1 15.23/7.18 Supporting invariants [] 15.23/7.18 [2019-03-29 01:59:47,642 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.23/7.18 [2019-03-29 01:59:47,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.23/7.18 [2019-03-29 01:59:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.23/7.18 [2019-03-29 01:59:47,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 15.23/7.18 [2019-03-29 01:59:47,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.23/7.18 [2019-03-29 01:59:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.23/7.18 [2019-03-29 01:59:47,699 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 15.23/7.18 [2019-03-29 01:59:47,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.23/7.18 [2019-03-29 01:59:47,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.23/7.18 [2019-03-29 01:59:47,744 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.23/7.18 [2019-03-29 01:59:47,749 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 15.23/7.18 [2019-03-29 01:59:47,750 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 15.23/7.18 [2019-03-29 01:59:47,792 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 13 states and 27 transitions. Complement of second has 6 states. 15.23/7.18 [2019-03-29 01:59:47,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states 15.23/7.18 [2019-03-29 01:59:47,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.23/7.18 [2019-03-29 01:59:47,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. 15.23/7.18 [2019-03-29 01:59:47,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 1 letters. Loop has 2 letters. 15.23/7.18 [2019-03-29 01:59:47,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.23/7.18 [2019-03-29 01:59:47,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 3 letters. Loop has 2 letters. 15.23/7.18 [2019-03-29 01:59:47,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.23/7.18 [2019-03-29 01:59:47,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 1 letters. Loop has 4 letters. 15.23/7.18 [2019-03-29 01:59:47,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.23/7.18 [2019-03-29 01:59:47,805 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 27 transitions. 15.23/7.18 [2019-03-29 01:59:47,806 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 15.23/7.18 [2019-03-29 01:59:47,812 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 27 transitions. 15.23/7.18 [2019-03-29 01:59:47,813 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 15.23/7.18 [2019-03-29 01:59:47,813 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 15.23/7.18 [2019-03-29 01:59:47,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 27 transitions. 15.23/7.18 [2019-03-29 01:59:47,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.23/7.18 [2019-03-29 01:59:47,814 INFO L706 BuchiCegarLoop]: Abstraction has 13 states and 27 transitions. 15.23/7.18 [2019-03-29 01:59:47,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 27 transitions. 15.23/7.18 [2019-03-29 01:59:47,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 11. 15.23/7.18 [2019-03-29 01:59:47,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. 15.23/7.18 [2019-03-29 01:59:47,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 24 transitions. 15.23/7.18 [2019-03-29 01:59:47,845 INFO L729 BuchiCegarLoop]: Abstraction has 11 states and 24 transitions. 15.23/7.18 [2019-03-29 01:59:47,846 INFO L609 BuchiCegarLoop]: Abstraction has 11 states and 24 transitions. 15.23/7.18 [2019-03-29 01:59:47,846 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 15.23/7.18 [2019-03-29 01:59:47,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 24 transitions. 15.23/7.18 [2019-03-29 01:59:47,847 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 15.23/7.18 [2019-03-29 01:59:47,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.23/7.18 [2019-03-29 01:59:47,847 INFO L119 BuchiIsEmpty]: Starting construction of run 15.23/7.18 [2019-03-29 01:59:47,847 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.23/7.18 [2019-03-29 01:59:47,848 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.23/7.18 [2019-03-29 01:59:47,848 INFO L794 eck$LassoCheckResult]: Stem: 57#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L23-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 58#L23-2 [35] L23-2-->L23: Formula: (<= 0 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} AuxVars[] AssignedVars[] 53#L23 15.23/7.18 [2019-03-29 01:59:47,848 INFO L796 eck$LassoCheckResult]: Loop: 53#L23 [28] L23-->L23-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_9) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 52#L23-2 [35] L23-2-->L23: Formula: (<= 0 v_ULTIMATE.start_main_~y~0_7) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_7} AuxVars[] AssignedVars[] 53#L23 15.23/7.18 [2019-03-29 01:59:47,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.23/7.18 [2019-03-29 01:59:47,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1833, now seen corresponding path program 1 times 15.23/7.18 [2019-03-29 01:59:47,849 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.23/7.18 [2019-03-29 01:59:47,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.23/7.18 [2019-03-29 01:59:47,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:47,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:47,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:47,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.23/7.18 [2019-03-29 01:59:47,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1864, now seen corresponding path program 1 times 15.23/7.18 [2019-03-29 01:59:47,856 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.23/7.18 [2019-03-29 01:59:47,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.23/7.18 [2019-03-29 01:59:47,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:47,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:47,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:47,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.23/7.18 [2019-03-29 01:59:47,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1762416, now seen corresponding path program 1 times 15.23/7.18 [2019-03-29 01:59:47,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.23/7.18 [2019-03-29 01:59:47,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.23/7.18 [2019-03-29 01:59:47,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:47,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:47,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:47,890 INFO L216 LassoAnalysis]: Preferences: 15.23/7.18 [2019-03-29 01:59:47,890 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.23/7.18 [2019-03-29 01:59:47,890 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.23/7.18 [2019-03-29 01:59:47,890 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.23/7.18 [2019-03-29 01:59:47,890 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.23/7.18 [2019-03-29 01:59:47,890 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:47,891 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.23/7.18 [2019-03-29 01:59:47,891 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.23/7.18 [2019-03-29 01:59:47,891 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.23/7.18 [2019-03-29 01:59:47,891 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.23/7.18 [2019-03-29 01:59:47,891 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.23/7.18 [2019-03-29 01:59:47,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:47,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:47,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:47,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:47,949 INFO L300 LassoAnalysis]: Preprocessing complete. 15.23/7.18 [2019-03-29 01:59:47,949 INFO L412 LassoAnalysis]: Checking for nontermination... 15.23/7.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.23/7.18 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.23/7.18 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:47,953 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.23/7.18 [2019-03-29 01:59:47,953 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.23/7.18 [2019-03-29 01:59:47,981 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.23/7.18 [2019-03-29 01:59:47,981 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: [] 15.23/7.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.23/7.18 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.23/7.18 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:47,986 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.23/7.18 [2019-03-29 01:59:47,986 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.23/7.18 [2019-03-29 01:59:48,013 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.23/7.18 [2019-03-29 01:59:48,013 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: [] 15.23/7.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.23/7.18 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.23/7.18 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:48,018 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.23/7.18 [2019-03-29 01:59:48,019 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.23/7.18 [2019-03-29 01:59:48,047 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.23/7.18 [2019-03-29 01:59:48,047 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.23/7.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.23/7.18 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.23/7.18 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:48,052 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.23/7.18 [2019-03-29 01:59:48,052 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.23/7.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.23/7.18 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.23/7.18 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:48,085 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.23/7.18 [2019-03-29 01:59:48,085 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.23/7.18 [2019-03-29 01:59:48,116 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.23/7.18 [2019-03-29 01:59:48,120 INFO L216 LassoAnalysis]: Preferences: 15.23/7.18 [2019-03-29 01:59:48,120 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.23/7.18 [2019-03-29 01:59:48,120 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.23/7.18 [2019-03-29 01:59:48,120 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.23/7.18 [2019-03-29 01:59:48,121 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.23/7.18 [2019-03-29 01:59:48,121 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:48,121 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.23/7.18 [2019-03-29 01:59:48,121 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.23/7.18 [2019-03-29 01:59:48,121 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 15.23/7.18 [2019-03-29 01:59:48,121 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.23/7.18 [2019-03-29 01:59:48,121 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.23/7.18 [2019-03-29 01:59:48,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:48,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:48,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:48,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:48,175 INFO L300 LassoAnalysis]: Preprocessing complete. 15.23/7.18 [2019-03-29 01:59:48,175 INFO L497 LassoAnalysis]: Using template 'affine'. 15.23/7.18 [2019-03-29 01:59:48,176 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.23/7.18 Termination analysis: LINEAR_WITH_GUESSES 15.23/7.18 Number of strict supporting invariants: 0 15.23/7.18 Number of non-strict supporting invariants: 1 15.23/7.18 Consider only non-deceasing supporting invariants: true 15.23/7.18 Simplify termination arguments: true 15.23/7.18 Simplify supporting invariants: trueOverapproximate stem: false 15.23/7.18 [2019-03-29 01:59:48,177 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.23/7.18 [2019-03-29 01:59:48,177 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.23/7.18 [2019-03-29 01:59:48,177 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.23/7.18 [2019-03-29 01:59:48,178 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.23/7.18 [2019-03-29 01:59:48,179 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.23/7.18 [2019-03-29 01:59:48,180 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.23/7.18 [2019-03-29 01:59:48,184 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.23/7.18 [2019-03-29 01:59:48,185 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.23/7.18 Termination analysis: LINEAR_WITH_GUESSES 15.23/7.18 Number of strict supporting invariants: 0 15.23/7.18 Number of non-strict supporting invariants: 1 15.23/7.18 Consider only non-deceasing supporting invariants: true 15.23/7.18 Simplify termination arguments: true 15.23/7.18 Simplify supporting invariants: trueOverapproximate stem: false 15.23/7.18 [2019-03-29 01:59:48,186 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.23/7.18 [2019-03-29 01:59:48,186 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.23/7.18 [2019-03-29 01:59:48,186 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.23/7.18 [2019-03-29 01:59:48,186 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.23/7.18 [2019-03-29 01:59:48,186 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.23/7.18 [2019-03-29 01:59:48,187 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.23/7.18 [2019-03-29 01:59:48,187 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.23/7.18 [2019-03-29 01:59:48,188 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.23/7.18 [2019-03-29 01:59:48,188 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.23/7.18 Termination analysis: LINEAR_WITH_GUESSES 15.23/7.18 Number of strict supporting invariants: 0 15.23/7.18 Number of non-strict supporting invariants: 1 15.23/7.18 Consider only non-deceasing supporting invariants: true 15.23/7.18 Simplify termination arguments: true 15.23/7.18 Simplify supporting invariants: trueOverapproximate stem: false 15.23/7.18 [2019-03-29 01:59:48,189 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.23/7.18 [2019-03-29 01:59:48,189 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.23/7.18 [2019-03-29 01:59:48,190 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.23/7.18 [2019-03-29 01:59:48,190 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.23/7.18 [2019-03-29 01:59:48,192 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.23/7.18 [2019-03-29 01:59:48,192 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.23/7.18 [2019-03-29 01:59:48,198 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.23/7.18 [2019-03-29 01:59:48,199 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.23/7.18 Termination analysis: LINEAR_WITH_GUESSES 15.23/7.18 Number of strict supporting invariants: 0 15.23/7.18 Number of non-strict supporting invariants: 1 15.23/7.18 Consider only non-deceasing supporting invariants: true 15.23/7.18 Simplify termination arguments: true 15.23/7.18 Simplify supporting invariants: trueOverapproximate stem: false 15.23/7.18 [2019-03-29 01:59:48,199 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.23/7.18 [2019-03-29 01:59:48,199 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.23/7.18 [2019-03-29 01:59:48,200 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.23/7.18 [2019-03-29 01:59:48,200 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.23/7.18 [2019-03-29 01:59:48,200 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.23/7.18 [2019-03-29 01:59:48,201 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.23/7.18 [2019-03-29 01:59:48,201 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.23/7.18 [2019-03-29 01:59:48,205 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.23/7.18 [2019-03-29 01:59:48,209 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.23/7.18 [2019-03-29 01:59:48,209 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 15.23/7.18 [2019-03-29 01:59:48,210 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.23/7.18 [2019-03-29 01:59:48,210 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.23/7.18 [2019-03-29 01:59:48,210 INFO L518 LassoAnalysis]: Proved termination. 15.23/7.18 [2019-03-29 01:59:48,210 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.23/7.18 Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 15.23/7.18 Supporting invariants [] 15.23/7.18 [2019-03-29 01:59:48,211 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.23/7.18 [2019-03-29 01:59:48,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.23/7.18 [2019-03-29 01:59:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.23/7.18 [2019-03-29 01:59:48,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core 15.23/7.18 [2019-03-29 01:59:48,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.23/7.18 [2019-03-29 01:59:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.23/7.18 [2019-03-29 01:59:48,246 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 15.23/7.18 [2019-03-29 01:59:48,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.23/7.18 [2019-03-29 01:59:48,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.23/7.18 [2019-03-29 01:59:48,287 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.23/7.18 [2019-03-29 01:59:48,288 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 15.23/7.18 [2019-03-29 01:59:48,288 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 11 states and 24 transitions. cyclomatic complexity: 16 Second operand 3 states. 15.23/7.18 [2019-03-29 01:59:48,319 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 11 states and 24 transitions. cyclomatic complexity: 16. Second operand 3 states. Result 35 states and 68 transitions. Complement of second has 7 states. 15.23/7.18 [2019-03-29 01:59:48,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 15.23/7.18 [2019-03-29 01:59:48,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.23/7.18 [2019-03-29 01:59:48,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. 15.23/7.18 [2019-03-29 01:59:48,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. 15.23/7.18 [2019-03-29 01:59:48,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.23/7.18 [2019-03-29 01:59:48,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. 15.23/7.18 [2019-03-29 01:59:48,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.23/7.18 [2019-03-29 01:59:48,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. 15.23/7.18 [2019-03-29 01:59:48,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.23/7.18 [2019-03-29 01:59:48,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 68 transitions. 15.23/7.18 [2019-03-29 01:59:48,327 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 15.23/7.18 [2019-03-29 01:59:48,328 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 27 states and 52 transitions. 15.23/7.18 [2019-03-29 01:59:48,328 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 15.23/7.18 [2019-03-29 01:59:48,329 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 15.23/7.18 [2019-03-29 01:59:48,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 52 transitions. 15.23/7.18 [2019-03-29 01:59:48,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 15.23/7.18 [2019-03-29 01:59:48,329 INFO L706 BuchiCegarLoop]: Abstraction has 27 states and 52 transitions. 15.23/7.18 [2019-03-29 01:59:48,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 52 transitions. 15.23/7.18 [2019-03-29 01:59:48,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. 15.23/7.18 [2019-03-29 01:59:48,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. 15.23/7.18 [2019-03-29 01:59:48,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 47 transitions. 15.23/7.18 [2019-03-29 01:59:48,333 INFO L729 BuchiCegarLoop]: Abstraction has 23 states and 47 transitions. 15.23/7.18 [2019-03-29 01:59:48,333 INFO L609 BuchiCegarLoop]: Abstraction has 23 states and 47 transitions. 15.23/7.18 [2019-03-29 01:59:48,333 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 15.23/7.18 [2019-03-29 01:59:48,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 47 transitions. 15.23/7.18 [2019-03-29 01:59:48,334 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 15.23/7.18 [2019-03-29 01:59:48,334 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.23/7.18 [2019-03-29 01:59:48,334 INFO L119 BuchiIsEmpty]: Starting construction of run 15.23/7.18 [2019-03-29 01:59:48,335 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 15.23/7.18 [2019-03-29 01:59:48,335 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.23/7.18 [2019-03-29 01:59:48,335 INFO L794 eck$LassoCheckResult]: Stem: 138#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L23-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 139#L23-2 [36] L23-2-->L23: Formula: (<= 0 v_ULTIMATE.start_main_~x~0_7) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 146#L23 15.23/7.18 [2019-03-29 01:59:48,335 INFO L796 eck$LassoCheckResult]: Loop: 146#L23 [34] L23-->L23-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_8 (+ v_ULTIMATE.start_main_~y~0_9 (- 1))) (> 0 v_ULTIMATE.start_main_~x~0_10)) InVars {ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_9, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} OutVars{ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_8, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_10} AuxVars[] AssignedVars[ULTIMATE.start_main_~y~0] 147#L23-2 [36] L23-2-->L23: Formula: (<= 0 v_ULTIMATE.start_main_~x~0_7) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 146#L23 15.23/7.18 [2019-03-29 01:59:48,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.23/7.18 [2019-03-29 01:59:48,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1834, now seen corresponding path program 1 times 15.23/7.18 [2019-03-29 01:59:48,336 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.23/7.18 [2019-03-29 01:59:48,336 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.23/7.18 [2019-03-29 01:59:48,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:48,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:48,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:48,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.23/7.18 [2019-03-29 01:59:48,343 INFO L82 PathProgramCache]: Analyzing trace with hash 2051, now seen corresponding path program 1 times 15.23/7.18 [2019-03-29 01:59:48,343 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.23/7.18 [2019-03-29 01:59:48,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.23/7.18 [2019-03-29 01:59:48,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:48,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:48,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.23/7.18 [2019-03-29 01:59:48,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.23/7.18 [2019-03-29 01:59:48,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 15.23/7.18 [2019-03-29 01:59:48,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 15.23/7.18 [2019-03-29 01:59:48,379 INFO L811 eck$LassoCheckResult]: loop already infeasible 15.23/7.18 [2019-03-29 01:59:48,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. 15.23/7.18 [2019-03-29 01:59:48,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 15.23/7.18 [2019-03-29 01:59:48,383 INFO L87 Difference]: Start difference. First operand 23 states and 47 transitions. cyclomatic complexity: 30 Second operand 3 states. 15.23/7.18 [2019-03-29 01:59:48,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 15.23/7.18 [2019-03-29 01:59:48,402 INFO L93 Difference]: Finished difference Result 17 states and 28 transitions. 15.23/7.18 [2019-03-29 01:59:48,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 15.23/7.18 [2019-03-29 01:59:48,403 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 28 transitions. 15.23/7.18 [2019-03-29 01:59:48,404 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.23/7.18 [2019-03-29 01:59:48,405 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 4 states and 4 transitions. 15.23/7.18 [2019-03-29 01:59:48,405 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 15.23/7.18 [2019-03-29 01:59:48,405 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 15.23/7.18 [2019-03-29 01:59:48,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 4 transitions. 15.23/7.18 [2019-03-29 01:59:48,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.23/7.18 [2019-03-29 01:59:48,406 INFO L706 BuchiCegarLoop]: Abstraction has 4 states and 4 transitions. 15.23/7.18 [2019-03-29 01:59:48,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 4 transitions. 15.23/7.18 [2019-03-29 01:59:48,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 3. 15.23/7.18 [2019-03-29 01:59:48,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.23/7.18 [2019-03-29 01:59:48,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. 15.23/7.18 [2019-03-29 01:59:48,407 INFO L729 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 15.23/7.18 [2019-03-29 01:59:48,407 INFO L609 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. 15.23/7.18 [2019-03-29 01:59:48,407 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 15.23/7.18 [2019-03-29 01:59:48,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 3 transitions. 15.23/7.18 [2019-03-29 01:59:48,408 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 15.23/7.18 [2019-03-29 01:59:48,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 15.23/7.18 [2019-03-29 01:59:48,408 INFO L119 BuchiIsEmpty]: Starting construction of run 15.23/7.18 [2019-03-29 01:59:48,408 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 15.23/7.18 [2019-03-29 01:59:48,408 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 15.23/7.18 [2019-03-29 01:59:48,409 INFO L794 eck$LassoCheckResult]: Stem: 181#ULTIMATE.startENTRY [27] ULTIMATE.startENTRY-->L23-2: Formula: (and (= v_ULTIMATE.start_main_~y~0_1 |v_ULTIMATE.start_main_#t~nondet1_4|) (= v_ULTIMATE.start_main_~x~0_1 |v_ULTIMATE.start_main_#t~nondet0_4|)) InVars {} OutVars{ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_1|, ULTIMATE.start_main_~y~0=v_ULTIMATE.start_main_~y~0_1, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_1|, ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_1, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_1|} AuxVars[|v_ULTIMATE.start_main_#t~nondet1_4|, |v_ULTIMATE.start_main_#t~nondet0_4|] AssignedVars[ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_#res, ULTIMATE.start_main_~y~0, ULTIMATE.start_main_~x~0] 179#L23-2 15.23/7.18 [2019-03-29 01:59:48,409 INFO L796 eck$LassoCheckResult]: Loop: 179#L23-2 [36] L23-2-->L23: Formula: (<= 0 v_ULTIMATE.start_main_~x~0_7) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_7} AuxVars[] AssignedVars[] 180#L23 [28] L23-->L23-2: Formula: (and (<= 0 v_ULTIMATE.start_main_~x~0_9) (= v_ULTIMATE.start_main_~x~0_8 (+ v_ULTIMATE.start_main_~x~0_9 (- 1)))) InVars {ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_9} OutVars{ULTIMATE.start_main_~x~0=v_ULTIMATE.start_main_~x~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~x~0] 179#L23-2 15.23/7.18 [2019-03-29 01:59:48,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.23/7.18 [2019-03-29 01:59:48,409 INFO L82 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 2 times 15.23/7.18 [2019-03-29 01:59:48,409 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.23/7.18 [2019-03-29 01:59:48,409 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.23/7.18 [2019-03-29 01:59:48,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:48,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:48,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:48,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.23/7.18 [2019-03-29 01:59:48,415 INFO L82 PathProgramCache]: Analyzing trace with hash 2105, now seen corresponding path program 1 times 15.23/7.18 [2019-03-29 01:59:48,415 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.23/7.18 [2019-03-29 01:59:48,415 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.23/7.18 [2019-03-29 01:59:48,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:48,417 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:48,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:48,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.23/7.18 [2019-03-29 01:59:48,422 INFO L82 PathProgramCache]: Analyzing trace with hash 56882, now seen corresponding path program 1 times 15.23/7.18 [2019-03-29 01:59:48,422 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 15.23/7.18 [2019-03-29 01:59:48,422 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 15.23/7.18 [2019-03-29 01:59:48,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:48,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:48,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 15.23/7.18 [2019-03-29 01:59:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 15.23/7.18 [2019-03-29 01:59:48,438 INFO L216 LassoAnalysis]: Preferences: 15.23/7.18 [2019-03-29 01:59:48,438 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.23/7.18 [2019-03-29 01:59:48,439 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.23/7.18 [2019-03-29 01:59:48,439 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.23/7.18 [2019-03-29 01:59:48,439 INFO L127 ssoRankerPreferences]: Use exernal solver: true 15.23/7.18 [2019-03-29 01:59:48,439 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:48,439 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.23/7.18 [2019-03-29 01:59:48,439 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.23/7.18 [2019-03-29 01:59:48,439 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 15.23/7.18 [2019-03-29 01:59:48,439 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.23/7.18 [2019-03-29 01:59:48,440 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.23/7.18 [2019-03-29 01:59:48,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:48,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:48,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:48,486 INFO L300 LassoAnalysis]: Preprocessing complete. 15.23/7.18 [2019-03-29 01:59:48,487 INFO L412 LassoAnalysis]: Checking for nontermination... 15.23/7.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.23/7.18 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.23/7.18 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:48,495 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.23/7.18 [2019-03-29 01:59:48,495 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.23/7.18 [2019-03-29 01:59:48,526 INFO L445 LassoAnalysis]: Proved nontermination for one component. 15.23/7.18 [2019-03-29 01:59:48,527 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 15.23/7.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.23/7.18 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.23/7.18 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:48,534 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 15.23/7.18 [2019-03-29 01:59:48,534 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.23/7.18 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 15.23/7.18 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 15.23/7.18 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:48,567 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 15.23/7.18 [2019-03-29 01:59:48,567 INFO L163 nArgumentSynthesizer]: Using integer mode. 15.23/7.18 [2019-03-29 01:59:48,599 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 15.23/7.18 [2019-03-29 01:59:48,602 INFO L216 LassoAnalysis]: Preferences: 15.23/7.18 [2019-03-29 01:59:48,602 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 15.23/7.18 [2019-03-29 01:59:48,602 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 15.23/7.18 [2019-03-29 01:59:48,602 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 15.23/7.18 [2019-03-29 01:59:48,602 INFO L127 ssoRankerPreferences]: Use exernal solver: false 15.23/7.18 [2019-03-29 01:59:48,602 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 15.23/7.18 [2019-03-29 01:59:48,603 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 15.23/7.18 [2019-03-29 01:59:48,603 INFO L130 ssoRankerPreferences]: Path of dumped script: 15.23/7.18 [2019-03-29 01:59:48,603 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration4_Loop 15.23/7.18 [2019-03-29 01:59:48,603 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 15.23/7.18 [2019-03-29 01:59:48,603 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 15.23/7.18 [2019-03-29 01:59:48,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:48,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:48,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 15.23/7.18 [2019-03-29 01:59:48,661 INFO L300 LassoAnalysis]: Preprocessing complete. 15.23/7.18 [2019-03-29 01:59:48,662 INFO L497 LassoAnalysis]: Using template 'affine'. 15.23/7.18 [2019-03-29 01:59:48,662 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.23/7.18 Termination analysis: LINEAR_WITH_GUESSES 15.23/7.18 Number of strict supporting invariants: 0 15.23/7.18 Number of non-strict supporting invariants: 1 15.23/7.18 Consider only non-deceasing supporting invariants: true 15.23/7.18 Simplify termination arguments: true 15.23/7.18 Simplify supporting invariants: trueOverapproximate stem: false 15.23/7.18 [2019-03-29 01:59:48,663 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.23/7.18 [2019-03-29 01:59:48,663 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.23/7.18 [2019-03-29 01:59:48,664 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.23/7.18 [2019-03-29 01:59:48,664 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.23/7.18 [2019-03-29 01:59:48,665 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 15.23/7.18 [2019-03-29 01:59:48,666 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 15.23/7.18 [2019-03-29 01:59:48,670 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 15.23/7.18 [2019-03-29 01:59:48,671 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 15.23/7.18 Termination analysis: LINEAR_WITH_GUESSES 15.23/7.18 Number of strict supporting invariants: 0 15.23/7.18 Number of non-strict supporting invariants: 1 15.23/7.18 Consider only non-deceasing supporting invariants: true 15.23/7.18 Simplify termination arguments: true 15.23/7.18 Simplify supporting invariants: trueOverapproximate stem: false 15.23/7.18 [2019-03-29 01:59:48,672 INFO L339 nArgumentSynthesizer]: Template has degree 0. 15.23/7.18 [2019-03-29 01:59:48,672 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 15.23/7.18 [2019-03-29 01:59:48,672 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 15.23/7.18 [2019-03-29 01:59:48,673 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 15.23/7.18 [2019-03-29 01:59:48,673 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 15.23/7.18 [2019-03-29 01:59:48,673 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 15.23/7.18 [2019-03-29 01:59:48,674 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 15.23/7.18 [2019-03-29 01:59:48,677 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 15.23/7.18 [2019-03-29 01:59:48,680 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 15.23/7.18 [2019-03-29 01:59:48,680 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 15.23/7.18 [2019-03-29 01:59:48,681 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 15.23/7.18 [2019-03-29 01:59:48,681 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 15.23/7.18 [2019-03-29 01:59:48,681 INFO L518 LassoAnalysis]: Proved termination. 15.23/7.18 [2019-03-29 01:59:48,681 INFO L520 LassoAnalysis]: Termination argument consisting of: 15.23/7.18 Ranking function f(ULTIMATE.start_main_~x~0) = 2*ULTIMATE.start_main_~x~0 + 1 15.23/7.18 Supporting invariants [] 15.23/7.18 [2019-03-29 01:59:48,681 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 15.23/7.18 [2019-03-29 01:59:48,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 15.23/7.18 [2019-03-29 01:59:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.23/7.18 [2019-03-29 01:59:48,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core 15.23/7.18 [2019-03-29 01:59:48,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.23/7.18 [2019-03-29 01:59:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 15.23/7.18 [2019-03-29 01:59:48,709 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core 15.23/7.18 [2019-03-29 01:59:48,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... 15.23/7.18 [2019-03-29 01:59:48,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 15.23/7.18 [2019-03-29 01:59:48,735 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 15.23/7.18 [2019-03-29 01:59:48,736 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates 15.23/7.18 [2019-03-29 01:59:48,736 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1 Second operand 3 states. 15.23/7.18 [2019-03-29 01:59:48,754 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states and 3 transitions. cyclomatic complexity: 1. Second operand 3 states. Result 5 states and 6 transitions. Complement of second has 4 states. 15.23/7.18 [2019-03-29 01:59:48,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states 15.23/7.18 [2019-03-29 01:59:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 15.23/7.18 [2019-03-29 01:59:48,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. 15.23/7.18 [2019-03-29 01:59:48,756 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 1 letters. Loop has 2 letters. 15.23/7.18 [2019-03-29 01:59:48,756 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.23/7.18 [2019-03-29 01:59:48,756 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. 15.23/7.18 [2019-03-29 01:59:48,756 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.23/7.18 [2019-03-29 01:59:48,757 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 1 letters. Loop has 4 letters. 15.23/7.18 [2019-03-29 01:59:48,757 INFO L116 BuchiAccepts]: Finished buchiAccepts. 15.23/7.18 [2019-03-29 01:59:48,758 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5 states and 6 transitions. 15.23/7.18 [2019-03-29 01:59:48,758 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.23/7.18 [2019-03-29 01:59:48,758 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5 states to 0 states and 0 transitions. 15.23/7.18 [2019-03-29 01:59:48,759 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 15.23/7.18 [2019-03-29 01:59:48,759 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 15.23/7.18 [2019-03-29 01:59:48,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 15.23/7.18 [2019-03-29 01:59:48,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 15.23/7.18 [2019-03-29 01:59:48,759 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.23/7.18 [2019-03-29 01:59:48,759 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.23/7.18 [2019-03-29 01:59:48,759 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 15.23/7.18 [2019-03-29 01:59:48,759 INFO L442 BuchiCegarLoop]: ======== Iteration 5============ 15.23/7.18 [2019-03-29 01:59:48,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 15.23/7.18 [2019-03-29 01:59:48,760 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 15.23/7.18 [2019-03-29 01:59:48,760 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 15.23/7.18 [2019-03-29 01:59:48,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 01:59:48 BasicIcfg 15.23/7.18 [2019-03-29 01:59:48,766 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 15.23/7.18 [2019-03-29 01:59:48,766 INFO L168 Benchmark]: Toolchain (without parser) took 2566.19 ms. Allocated memory is still 649.6 MB. Free memory was 558.2 MB in the beginning and 380.0 MB in the end (delta: 178.1 MB). Peak memory consumption was 178.1 MB. Max. memory is 50.3 GB. 15.23/7.18 [2019-03-29 01:59:48,768 INFO L168 Benchmark]: CDTParser took 0.17 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. 15.23/7.18 [2019-03-29 01:59:48,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.49 ms. Allocated memory is still 649.6 MB. Free memory was 558.2 MB in the beginning and 548.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 15.23/7.18 [2019-03-29 01:59:48,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.49 ms. Allocated memory is still 649.6 MB. Free memory was 548.2 MB in the beginning and 617.5 MB in the end (delta: -69.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 15.23/7.18 [2019-03-29 01:59:48,769 INFO L168 Benchmark]: Boogie Preprocessor took 19.98 ms. Allocated memory is still 649.6 MB. Free memory was 616.4 MB in the beginning and 613.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.23/7.18 [2019-03-29 01:59:48,770 INFO L168 Benchmark]: RCFGBuilder took 186.95 ms. Allocated memory is still 649.6 MB. Free memory was 613.6 MB in the beginning and 601.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 50.3 GB. 15.23/7.18 [2019-03-29 01:59:48,771 INFO L168 Benchmark]: BlockEncodingV2 took 79.44 ms. Allocated memory is still 649.6 MB. Free memory was 601.1 MB in the beginning and 594.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 15.23/7.18 [2019-03-29 01:59:48,771 INFO L168 Benchmark]: TraceAbstraction took 157.87 ms. Allocated memory is still 649.6 MB. Free memory was 594.6 MB in the beginning and 586.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 15.23/7.18 [2019-03-29 01:59:48,772 INFO L168 Benchmark]: BuchiAutomizer took 1785.59 ms. Allocated memory is still 649.6 MB. Free memory was 584.9 MB in the beginning and 380.0 MB in the end (delta: 204.9 MB). Peak memory consumption was 204.9 MB. Max. memory is 50.3 GB. 15.23/7.18 [2019-03-29 01:59:48,776 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 15.23/7.18 --- Results --- 15.23/7.18 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 15.23/7.18 - StatisticsResult: Initial Icfg 15.23/7.18 7 locations, 9 edges 15.23/7.18 - StatisticsResult: Encoded RCFG 15.23/7.18 3 locations, 5 edges 15.23/7.18 * Results from de.uni_freiburg.informatik.ultimate.core: 15.23/7.18 - StatisticsResult: Toolchain Benchmarks 15.23/7.18 Benchmark results are: 15.23/7.18 * CDTParser took 0.17 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. 15.23/7.18 * CACSL2BoogieTranslator took 233.49 ms. Allocated memory is still 649.6 MB. Free memory was 558.2 MB in the beginning and 548.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 50.3 GB. 15.23/7.18 * Boogie Procedure Inliner took 96.49 ms. Allocated memory is still 649.6 MB. Free memory was 548.2 MB in the beginning and 617.5 MB in the end (delta: -69.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 50.3 GB. 15.23/7.18 * Boogie Preprocessor took 19.98 ms. Allocated memory is still 649.6 MB. Free memory was 616.4 MB in the beginning and 613.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 15.23/7.18 * RCFGBuilder took 186.95 ms. Allocated memory is still 649.6 MB. Free memory was 613.6 MB in the beginning and 601.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 50.3 GB. 15.23/7.18 * BlockEncodingV2 took 79.44 ms. Allocated memory is still 649.6 MB. Free memory was 601.1 MB in the beginning and 594.6 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 15.23/7.18 * TraceAbstraction took 157.87 ms. Allocated memory is still 649.6 MB. Free memory was 594.6 MB in the beginning and 586.0 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 50.3 GB. 15.23/7.18 * BuchiAutomizer took 1785.59 ms. Allocated memory is still 649.6 MB. Free memory was 584.9 MB in the beginning and 380.0 MB in the end (delta: 204.9 MB). Peak memory consumption was 204.9 MB. Max. memory is 50.3 GB. 15.23/7.18 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 15.23/7.18 - AllSpecificationsHoldResult: All specifications hold 15.23/7.18 We were not able to verify any specifiation because the program does not contain any specification. 15.23/7.18 - InvariantResult [Line: 22]: Loop Invariant 15.23/7.18 Derived loop invariant: 1 15.23/7.18 - StatisticsResult: Ultimate Automizer benchmark data 15.23/7.18 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 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 15.23/7.18 - StatisticsResult: Constructed decomposition of program 15.23/7.18 Your program was decomposed into 4 terminating modules (1 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function 2 * y + 1 and consists of 4 locations. One nondeterministic module has affine ranking function 2 * x + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * x + 1 and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. 15.23/7.18 - StatisticsResult: Timing statistics 15.23/7.18 BüchiAutomizer plugin needed 1.7s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 23 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 24 SDslu, 7 SDs, 0 SdLazy, 41 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax201 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s 15.23/7.18 - TerminationAnalysisResult: Termination proven 15.23/7.18 Buchi Automizer proved that your program is terminating 15.23/7.18 RESULT: Ultimate proved your program to be correct! 15.23/7.18 !SESSION 2019-03-29 01:59:42.923 ----------------------------------------------- 15.23/7.18 eclipse.buildId=unknown 15.23/7.18 java.version=1.8.0_181 15.23/7.18 java.vendor=Oracle Corporation 15.23/7.18 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 15.23/7.18 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.23/7.18 Command-line arguments: -os linux -ws gtk -arch x86_64 -consoleLog -data @user.home/.ultimate -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -data /export/starexec/sandbox/tmp -i /export/starexec/sandbox/benchmark/theBenchmark.c 15.23/7.18 15.23/7.18 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 01:59:49.008 15.23/7.18 !MESSAGE The workspace will exit with unsaved changes in this session. 15.23/7.18 Received shutdown request... 15.23/7.18 Ultimate: 15.23/7.18 GTK+ Version Check 15.23/7.18 EOF