17.56/8.47 YES 17.56/8.47 17.56/8.48 Ultimate: Cannot open display: 17.56/8.48 This is Ultimate 0.1.24-8dc7c08-m 17.56/8.48 [2019-03-29 02:10:30,257 INFO L170 SettingsManager]: Resetting all preferences to default values... 17.56/8.48 [2019-03-29 02:10:30,259 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values 17.56/8.48 [2019-03-29 02:10:30,271 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 17.56/8.48 [2019-03-29 02:10:30,271 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values 17.56/8.48 [2019-03-29 02:10:30,272 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values 17.56/8.48 [2019-03-29 02:10:30,273 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values 17.56/8.48 [2019-03-29 02:10:30,275 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values 17.56/8.48 [2019-03-29 02:10:30,276 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values 17.56/8.48 [2019-03-29 02:10:30,277 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values 17.56/8.48 [2019-03-29 02:10:30,278 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 17.56/8.48 [2019-03-29 02:10:30,278 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values 17.56/8.48 [2019-03-29 02:10:30,279 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values 17.56/8.48 [2019-03-29 02:10:30,280 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values 17.56/8.48 [2019-03-29 02:10:30,281 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values 17.56/8.48 [2019-03-29 02:10:30,282 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values 17.56/8.48 [2019-03-29 02:10:30,283 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values 17.56/8.48 [2019-03-29 02:10:30,284 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values 17.56/8.48 [2019-03-29 02:10:30,286 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values 17.56/8.48 [2019-03-29 02:10:30,288 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values 17.56/8.48 [2019-03-29 02:10:30,289 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values 17.56/8.48 [2019-03-29 02:10:30,290 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values 17.56/8.48 [2019-03-29 02:10:30,292 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 17.56/8.48 [2019-03-29 02:10:30,292 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... 17.56/8.48 [2019-03-29 02:10:30,292 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values 17.56/8.48 [2019-03-29 02:10:30,293 INFO L174 SettingsManager]: Resetting IcfgToChc preferences to default values 17.56/8.48 [2019-03-29 02:10:30,293 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values 17.56/8.48 [2019-03-29 02:10:30,294 INFO L177 SettingsManager]: ReqToTest provides no preferences, ignoring... 17.56/8.48 [2019-03-29 02:10:30,295 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values 17.56/8.48 [2019-03-29 02:10:30,295 INFO L174 SettingsManager]: Resetting ChcSmtPrinter preferences to default values 17.56/8.48 [2019-03-29 02:10:30,296 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values 17.56/8.48 [2019-03-29 02:10:30,297 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values 17.56/8.48 [2019-03-29 02:10:30,298 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... 17.56/8.48 [2019-03-29 02:10:30,298 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values 17.56/8.48 [2019-03-29 02:10:30,298 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 17.56/8.48 [2019-03-29 02:10:30,299 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... 17.56/8.48 [2019-03-29 02:10:30,299 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values 17.56/8.48 [2019-03-29 02:10:30,300 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values 17.56/8.48 [2019-03-29 02:10:30,300 INFO L181 SettingsManager]: Finished resetting all preferences to default values... 17.56/8.48 [2019-03-29 02:10:30,301 INFO L98 SettingsManager]: Beginning loading settings from /export/starexec/sandbox/solver/bin/./../termcomp2017.epf 17.56/8.48 [2019-03-29 02:10:30,315 INFO L110 SettingsManager]: Loading preferences was successful 17.56/8.48 [2019-03-29 02:10:30,316 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: 17.56/8.48 [2019-03-29 02:10:30,317 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: 17.56/8.48 [2019-03-29 02:10:30,317 INFO L133 SettingsManager]: * Rewrite not-equals=true 17.56/8.48 [2019-03-29 02:10:30,317 INFO L133 SettingsManager]: * Create parallel compositions if possible=false 17.56/8.48 [2019-03-29 02:10:30,317 INFO L133 SettingsManager]: * Minimize states using LBE with the strategy=SINGLE 17.56/8.48 [2019-03-29 02:10:30,318 INFO L133 SettingsManager]: * Use SBE=true 17.56/8.48 [2019-03-29 02:10:30,318 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: 17.56/8.48 [2019-03-29 02:10:30,318 INFO L133 SettingsManager]: * Use old map elimination=false 17.56/8.48 [2019-03-29 02:10:30,318 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false 17.56/8.48 [2019-03-29 02:10:30,318 INFO L133 SettingsManager]: * Buchi interpolant automaton construction strategy=DANDELION 17.56/8.48 [2019-03-29 02:10:30,319 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true 17.56/8.48 [2019-03-29 02:10:30,319 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES 17.56/8.48 [2019-03-29 02:10:30,319 INFO L133 SettingsManager]: * Construct termination proof for TermComp=true 17.56/8.48 [2019-03-29 02:10:30,319 INFO L133 SettingsManager]: * Command for external solver (GNTA synthesis)=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:30,319 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: 17.56/8.48 [2019-03-29 02:10:30,320 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false 17.56/8.48 [2019-03-29 02:10:30,320 INFO L133 SettingsManager]: * Check division by zero=IGNORE 17.56/8.48 [2019-03-29 02:10:30,320 INFO L133 SettingsManager]: * Check if freed pointer was valid=false 17.56/8.48 [2019-03-29 02:10:30,320 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false 17.56/8.48 [2019-03-29 02:10:30,320 INFO L133 SettingsManager]: * How to treat unsigned ints differently from normal ones=IGNORE 17.56/8.48 [2019-03-29 02:10:30,321 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: 17.56/8.48 [2019-03-29 02:10:30,321 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements 17.56/8.48 [2019-03-29 02:10:30,321 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump 17.56/8.48 [2019-03-29 02:10:30,321 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.56/8.48 [2019-03-29 02:10:30,321 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: 17.56/8.48 [2019-03-29 02:10:30,322 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles 17.56/8.48 [2019-03-29 02:10:30,322 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL 17.56/8.48 [2019-03-29 02:10:30,322 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 17.56/8.48 [2019-03-29 02:10:30,347 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp 17.56/8.48 [2019-03-29 02:10:30,360 INFO L259 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized 17.56/8.48 [2019-03-29 02:10:30,363 INFO L215 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. 17.56/8.48 [2019-03-29 02:10:30,365 INFO L271 PluginConnector]: Initializing CDTParser... 17.56/8.48 [2019-03-29 02:10:30,365 INFO L276 PluginConnector]: CDTParser initialized 17.56/8.48 [2019-03-29 02:10:30,366 INFO L430 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /export/starexec/sandbox/benchmark/theBenchmark.c 17.56/8.48 [2019-03-29 02:10:30,431 INFO L221 CDTParser]: Created temporary CDT project at /export/starexec/sandbox/tmp/3c14d166bec54d8794fa94196a4ba941/FLAG5fe0e4902 17.56/8.48 [2019-03-29 02:10:30,785 INFO L307 CDTParser]: Found 1 translation units. 17.56/8.48 [2019-03-29 02:10:30,786 INFO L161 CDTParser]: Scanning /export/starexec/sandbox/benchmark/theBenchmark.c 17.56/8.48 [2019-03-29 02:10:30,793 INFO L355 CDTParser]: About to delete temporary CDT project at /export/starexec/sandbox/tmp/3c14d166bec54d8794fa94196a4ba941/FLAG5fe0e4902 17.56/8.48 [2019-03-29 02:10:31,200 INFO L363 CDTParser]: Successfully deleted /export/starexec/sandbox/tmp/3c14d166bec54d8794fa94196a4ba941 17.56/8.48 [2019-03-29 02:10:31,212 INFO L297 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### 17.56/8.48 [2019-03-29 02:10:31,214 INFO L131 ToolchainWalker]: Walking toolchain with 7 elements. 17.56/8.48 [2019-03-29 02:10:31,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- 17.56/8.48 [2019-03-29 02:10:31,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... 17.56/8.48 [2019-03-29 02:10:31,219 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized 17.56/8.48 [2019-03-29 02:10:31,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:10:31" (1/1) ... 17.56/8.48 [2019-03-29 02:10:31,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f26b391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:31, skipping insertion in model container 17.56/8.48 [2019-03-29 02:10:31,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.03 02:10:31" (1/1) ... 17.56/8.48 [2019-03-29 02:10:31,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode 17.56/8.48 [2019-03-29 02:10:31,248 INFO L176 MainTranslator]: Built tables and reachable declarations 17.56/8.48 [2019-03-29 02:10:31,401 INFO L206 PostProcessor]: Analyzing one entry point: main 17.56/8.48 [2019-03-29 02:10:31,406 INFO L191 MainTranslator]: Completed pre-run 17.56/8.48 [2019-03-29 02:10:31,422 INFO L206 PostProcessor]: Analyzing one entry point: main 17.56/8.48 [2019-03-29 02:10:31,437 INFO L195 MainTranslator]: Completed translation 17.56/8.48 [2019-03-29 02:10:31,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:31 WrapperNode 17.56/8.48 [2019-03-29 02:10:31,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- 17.56/8.48 [2019-03-29 02:10:31,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- 17.56/8.48 [2019-03-29 02:10:31,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... 17.56/8.48 [2019-03-29 02:10:31,439 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized 17.56/8.48 [2019-03-29 02:10:31,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:31" (1/1) ... 17.56/8.48 [2019-03-29 02:10:31,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:31" (1/1) ... 17.56/8.48 [2019-03-29 02:10:31,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- 17.56/8.48 [2019-03-29 02:10:31,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- 17.56/8.48 [2019-03-29 02:10:31,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... 17.56/8.48 [2019-03-29 02:10:31,530 INFO L276 PluginConnector]: Boogie Preprocessor initialized 17.56/8.48 [2019-03-29 02:10:31,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:31" (1/1) ... 17.56/8.48 [2019-03-29 02:10:31,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:31" (1/1) ... 17.56/8.48 [2019-03-29 02:10:31,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:31" (1/1) ... 17.56/8.48 [2019-03-29 02:10:31,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:31" (1/1) ... 17.56/8.48 [2019-03-29 02:10:31,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:31" (1/1) ... 17.56/8.48 [2019-03-29 02:10:31,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:31" (1/1) ... 17.56/8.48 [2019-03-29 02:10:31,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:31" (1/1) ... 17.56/8.48 [2019-03-29 02:10:31,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- 17.56/8.48 [2019-03-29 02:10:31,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- 17.56/8.48 [2019-03-29 02:10:31,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... 17.56/8.48 [2019-03-29 02:10:31,550 INFO L276 PluginConnector]: RCFGBuilder initialized 17.56/8.48 [2019-03-29 02:10:31,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:31" (1/1) ... 17.56/8.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.56/8.48 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 (exit command is (exit), workingDir is null) 17.56/8.48 Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:5000 17.56/8.48 [2019-03-29 02:10:31,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start 17.56/8.48 [2019-03-29 02:10:31,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start 17.56/8.48 [2019-03-29 02:10:31,743 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) 17.56/8.48 [2019-03-29 02:10:31,743 INFO L286 CfgBuilder]: Removed 6 assue(true) statements. 17.56/8.48 [2019-03-29 02:10:31,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:10:31 BoogieIcfgContainer 17.56/8.48 [2019-03-29 02:10:31,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- 17.56/8.48 [2019-03-29 02:10:31,745 INFO L113 PluginConnector]: ------------------------BlockEncodingV2---------------------------- 17.56/8.48 [2019-03-29 02:10:31,746 INFO L271 PluginConnector]: Initializing BlockEncodingV2... 17.56/8.48 [2019-03-29 02:10:31,748 INFO L276 PluginConnector]: BlockEncodingV2 initialized 17.56/8.48 [2019-03-29 02:10:31,748 INFO L185 PluginConnector]: Executing the observer BlockEncodingObserver from plugin BlockEncodingV2 for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:10:31" (1/1) ... 17.56/8.48 [2019-03-29 02:10:31,763 INFO L313 BlockEncoder]: Initial Icfg 9 locations, 13 edges 17.56/8.48 [2019-03-29 02:10:31,765 INFO L258 BlockEncoder]: Using Remove infeasible edges 17.56/8.48 [2019-03-29 02:10:31,765 INFO L263 BlockEncoder]: Using Maximize final states 17.56/8.48 [2019-03-29 02:10:31,766 INFO L270 BlockEncoder]: Using Minimize states even if more edges are added than removed.=false 17.56/8.48 [2019-03-29 02:10:31,766 INFO L276 BlockEncoder]: Using Minimize states using LBE with the strategy=SINGLE 17.56/8.48 [2019-03-29 02:10:31,768 INFO L296 BlockEncoder]: Using Remove sink states 17.56/8.48 [2019-03-29 02:10:31,769 INFO L171 BlockEncoder]: Using Apply optimizations until nothing changes=true 17.56/8.48 [2019-03-29 02:10:31,769 INFO L179 BlockEncoder]: Using Rewrite not-equals 17.56/8.48 [2019-03-29 02:10:31,784 INFO L185 BlockEncoder]: Using Use SBE 17.56/8.48 [2019-03-29 02:10:31,792 INFO L200 BlockEncoder]: SBE split 0 edges 17.56/8.48 [2019-03-29 02:10:31,797 INFO L70 emoveInfeasibleEdges]: Removed 2 edges and 0 locations because of local infeasibility 17.56/8.48 [2019-03-29 02:10:31,799 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.56/8.48 [2019-03-29 02:10:31,812 INFO L100 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding 17.56/8.48 [2019-03-29 02:10:31,814 INFO L70 RemoveSinkStates]: Removed 3 edges and 2 locations by removing sink states 17.56/8.48 [2019-03-29 02:10:31,816 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 17.56/8.48 [2019-03-29 02:10:31,816 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.56/8.48 [2019-03-29 02:10:31,822 INFO L100 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding 17.56/8.48 [2019-03-29 02:10:31,823 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 17.56/8.48 [2019-03-29 02:10:31,823 INFO L70 emoveInfeasibleEdges]: Removed 0 edges and 0 locations because of local infeasibility 17.56/8.48 [2019-03-29 02:10:31,823 INFO L71 MaximizeFinalStates]: 0 new accepting states 17.56/8.48 [2019-03-29 02:10:31,823 INFO L100 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding 17.56/8.48 [2019-03-29 02:10:31,824 INFO L70 RemoveSinkStates]: Removed 0 edges and 0 locations by removing sink states 17.56/8.48 [2019-03-29 02:10:31,824 INFO L313 BlockEncoder]: Encoded RCFG 3 locations, 4 edges 17.56/8.48 [2019-03-29 02:10:31,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:10:31 BasicIcfg 17.56/8.48 [2019-03-29 02:10:31,825 INFO L132 PluginConnector]: ------------------------ END BlockEncodingV2---------------------------- 17.56/8.48 [2019-03-29 02:10:31,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- 17.56/8.48 [2019-03-29 02:10:31,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... 17.56/8.48 [2019-03-29 02:10:31,829 INFO L276 PluginConnector]: TraceAbstraction initialized 17.56/8.48 [2019-03-29 02:10:31,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.03 02:10:31" (1/4) ... 17.56/8.48 [2019-03-29 02:10:31,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c748465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:10:31, skipping insertion in model container 17.56/8.48 [2019-03-29 02:10:31,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:31" (2/4) ... 17.56/8.48 [2019-03-29 02:10:31,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c748465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.03 02:10:31, skipping insertion in model container 17.56/8.48 [2019-03-29 02:10:31,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:10:31" (3/4) ... 17.56/8.48 [2019-03-29 02:10:31,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c748465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:10:31, skipping insertion in model container 17.56/8.48 [2019-03-29 02:10:31,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:10:31" (4/4) ... 17.56/8.48 [2019-03-29 02:10:31,834 INFO L112 eAbstractionObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.56/8.48 [2019-03-29 02:10:31,847 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION 17.56/8.48 [2019-03-29 02:10:31,855 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. 17.56/8.48 [2019-03-29 02:10:31,872 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. 17.56/8.48 [2019-03-29 02:10:31,903 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.56/8.48 [2019-03-29 02:10:31,904 INFO L382 AbstractCegarLoop]: Interprodecural is true 17.56/8.48 [2019-03-29 02:10:31,904 INFO L383 AbstractCegarLoop]: Hoare is true 17.56/8.48 [2019-03-29 02:10:31,904 INFO L384 AbstractCegarLoop]: Compute interpolants for ForwardPredicates 17.56/8.48 [2019-03-29 02:10:31,904 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE 17.56/8.48 [2019-03-29 02:10:31,904 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.56/8.48 [2019-03-29 02:10:31,904 INFO L387 AbstractCegarLoop]: Difference is false 17.56/8.48 [2019-03-29 02:10:31,905 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA 17.56/8.48 [2019-03-29 02:10:31,905 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== 17.56/8.48 [2019-03-29 02:10:31,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. 17.56/8.48 [2019-03-29 02:10:31,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. 17.56/8.48 [2019-03-29 02:10:31,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. 17.56/8.48 [2019-03-29 02:10:31,983 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. 17.56/8.48 [2019-03-29 02:10:31,984 INFO L451 ceAbstractionStarter]: At program point L24-2(lines 24 26) the Hoare annotation is: true 17.56/8.48 [2019-03-29 02:10:31,984 INFO L451 ceAbstractionStarter]: At program point L22-2(lines 22 28) the Hoare annotation is: true 17.56/8.48 [2019-03-29 02:10:31,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:10:31 BasicIcfg 17.56/8.48 [2019-03-29 02:10:31,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- 17.56/8.48 [2019-03-29 02:10:31,993 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- 17.56/8.48 [2019-03-29 02:10:31,993 INFO L271 PluginConnector]: Initializing BuchiAutomizer... 17.56/8.48 [2019-03-29 02:10:31,997 INFO L276 PluginConnector]: BuchiAutomizer initialized 17.56/8.48 [2019-03-29 02:10:31,997 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.56/8.48 [2019-03-29 02:10:31,998 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.03 02:10:31" (1/5) ... 17.56/8.48 [2019-03-29 02:10:31,998 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7789de2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:10:31, skipping insertion in model container 17.56/8.48 [2019-03-29 02:10:31,998 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.56/8.48 [2019-03-29 02:10:31,999 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.03 02:10:31" (2/5) ... 17.56/8.48 [2019-03-29 02:10:31,999 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7789de2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.03 02:10:31, skipping insertion in model container 17.56/8.48 [2019-03-29 02:10:31,999 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.56/8.48 [2019-03-29 02:10:31,999 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.03 02:10:31" (3/5) ... 17.56/8.48 [2019-03-29 02:10:32,000 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7789de2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:10:31, skipping insertion in model container 17.56/8.48 [2019-03-29 02:10:32,000 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.56/8.48 [2019-03-29 02:10:32,000 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.blockencoding CFG 29.03 02:10:31" (4/5) ... 17.56/8.48 [2019-03-29 02:10:32,000 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7789de2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:10:32, skipping insertion in model container 17.56/8.48 [2019-03-29 02:10:32,000 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis 17.56/8.48 [2019-03-29 02:10:32,001 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.03 02:10:31" (5/5) ... 17.56/8.48 [2019-03-29 02:10:32,002 INFO L375 chiAutomizerObserver]: Analyzing ICFG theBenchmark.c_BEv2 17.56/8.48 [2019-03-29 02:10:32,028 INFO L133 ementStrategyFactory]: Using default assertion order modulation 17.56/8.48 [2019-03-29 02:10:32,028 INFO L374 BuchiCegarLoop]: Interprodecural is true 17.56/8.48 [2019-03-29 02:10:32,029 INFO L375 BuchiCegarLoop]: Hoare is true 17.56/8.48 [2019-03-29 02:10:32,029 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates 17.56/8.48 [2019-03-29 02:10:32,029 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE 17.56/8.48 [2019-03-29 02:10:32,029 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION 17.56/8.48 [2019-03-29 02:10:32,029 INFO L379 BuchiCegarLoop]: Difference is false 17.56/8.48 [2019-03-29 02:10:32,029 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA 17.56/8.48 [2019-03-29 02:10:32,030 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== 17.56/8.48 [2019-03-29 02:10:32,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 17.56/8.48 [2019-03-29 02:10:32,051 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 17.56/8.48 [2019-03-29 02:10:32,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.56/8.48 [2019-03-29 02:10:32,052 INFO L119 BuchiIsEmpty]: Starting construction of run 17.56/8.48 [2019-03-29 02:10:32,057 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.56/8.48 [2019-03-29 02:10:32,057 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.56/8.48 [2019-03-29 02:10:32,057 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ 17.56/8.48 [2019-03-29 02:10:32,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. 17.56/8.48 [2019-03-29 02:10:32,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 17.56/8.48 [2019-03-29 02:10:32,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.56/8.48 [2019-03-29 02:10:32,058 INFO L119 BuchiIsEmpty]: Starting construction of run 17.56/8.48 [2019-03-29 02:10:32,059 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.56/8.48 [2019-03-29 02:10:32,059 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] 17.56/8.48 [2019-03-29 02:10:32,064 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue [56] ULTIMATE.startENTRY-->L22-2: Formula: (and (= 0 v_ULTIMATE.start_main_~i~0_15) (<= 1 v_ULTIMATE.start_main_~k~0_9)) InVars {} OutVars{ULTIMATE.start_main_~k~0=v_ULTIMATE.start_main_~k~0_9, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_11, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_15} AuxVars[] AssignedVars[ULTIMATE.start_main_~k~0, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0] 5#L22-2true 17.56/8.48 [2019-03-29 02:10:32,064 INFO L796 eck$LassoCheckResult]: Loop: 5#L22-2true [49] L22-2-->L24-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~n~0_7) (= v_ULTIMATE.start_main_~j~0_6 0)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 4#L24-2true [54] L24-2-->L22-2: Formula: (and (= (+ v_ULTIMATE.start_main_~i~0_14 1) v_ULTIMATE.start_main_~i~0_13) (< v_ULTIMATE.start_main_~i~0_14 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 5#L22-2true 17.56/8.48 [2019-03-29 02:10:32,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.56/8.48 [2019-03-29 02:10:32,071 INFO L82 PathProgramCache]: Analyzing trace with hash 87, now seen corresponding path program 1 times 17.56/8.48 [2019-03-29 02:10:32,073 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.56/8.48 [2019-03-29 02:10:32,073 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.56/8.48 [2019-03-29 02:10:32,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:32,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:32,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.56/8.48 [2019-03-29 02:10:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.56/8.48 [2019-03-29 02:10:32,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.56/8.48 [2019-03-29 02:10:32,141 INFO L82 PathProgramCache]: Analyzing trace with hash 2534, now seen corresponding path program 1 times 17.56/8.48 [2019-03-29 02:10:32,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.56/8.48 [2019-03-29 02:10:32,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.56/8.48 [2019-03-29 02:10:32,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:32,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:32,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.56/8.48 [2019-03-29 02:10:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.56/8.48 [2019-03-29 02:10:32,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.56/8.48 [2019-03-29 02:10:32,155 INFO L82 PathProgramCache]: Analyzing trace with hash 85180, now seen corresponding path program 1 times 17.56/8.48 [2019-03-29 02:10:32,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.56/8.48 [2019-03-29 02:10:32,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.56/8.48 [2019-03-29 02:10:32,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:32,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:32,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.56/8.48 [2019-03-29 02:10:32,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.56/8.48 [2019-03-29 02:10:32,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. 17.56/8.48 [2019-03-29 02:10:32,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 17.56/8.48 [2019-03-29 02:10:32,265 INFO L216 LassoAnalysis]: Preferences: 17.56/8.48 [2019-03-29 02:10:32,267 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.56/8.48 [2019-03-29 02:10:32,267 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.56/8.48 [2019-03-29 02:10:32,267 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.56/8.48 [2019-03-29 02:10:32,267 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.56/8.48 [2019-03-29 02:10:32,267 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:32,268 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.56/8.48 [2019-03-29 02:10:32,268 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.56/8.48 [2019-03-29 02:10:32,268 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.56/8.48 [2019-03-29 02:10:32,268 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.56/8.48 [2019-03-29 02:10:32,268 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.56/8.48 [2019-03-29 02:10:32,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:32,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:32,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:32,398 INFO L300 LassoAnalysis]: Preprocessing complete. 17.56/8.48 [2019-03-29 02:10:32,399 INFO L412 LassoAnalysis]: Checking for nontermination... 17.56/8.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.56/8.48 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.56/8.48 Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:32,408 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.56/8.48 [2019-03-29 02:10:32,409 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.56/8.48 [2019-03-29 02:10:32,442 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.56/8.48 [2019-03-29 02:10:32,442 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: [] 17.56/8.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.56/8.48 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.56/8.48 Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:32,448 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.56/8.48 [2019-03-29 02:10:32,448 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.56/8.48 [2019-03-29 02:10:32,475 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.56/8.48 [2019-03-29 02:10:32,476 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: [] 17.56/8.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.56/8.48 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.56/8.48 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:32,480 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.56/8.48 [2019-03-29 02:10:32,480 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.56/8.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.56/8.48 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.56/8.48 Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:32,512 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.56/8.48 [2019-03-29 02:10:32,512 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.56/8.48 [2019-03-29 02:10:32,671 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.56/8.48 [2019-03-29 02:10:32,674 INFO L216 LassoAnalysis]: Preferences: 17.56/8.48 [2019-03-29 02:10:32,674 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.56/8.48 [2019-03-29 02:10:32,674 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.56/8.48 [2019-03-29 02:10:32,674 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.56/8.48 [2019-03-29 02:10:32,675 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.56/8.48 [2019-03-29 02:10:32,675 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:32,675 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.56/8.48 [2019-03-29 02:10:32,675 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.56/8.48 [2019-03-29 02:10:32,675 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration1_Loop 17.56/8.48 [2019-03-29 02:10:32,675 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.56/8.48 [2019-03-29 02:10:32,676 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.56/8.48 [2019-03-29 02:10:32,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:32,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:32,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:32,763 INFO L300 LassoAnalysis]: Preprocessing complete. 17.56/8.48 [2019-03-29 02:10:32,769 INFO L497 LassoAnalysis]: Using template 'affine'. 17.56/8.48 [2019-03-29 02:10:32,788 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.56/8.48 Termination analysis: LINEAR_WITH_GUESSES 17.56/8.48 Number of strict supporting invariants: 0 17.56/8.48 Number of non-strict supporting invariants: 1 17.56/8.48 Consider only non-deceasing supporting invariants: true 17.56/8.48 Simplify termination arguments: true 17.56/8.48 Simplify supporting invariants: trueOverapproximate stem: false 17.56/8.48 [2019-03-29 02:10:32,790 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.56/8.48 [2019-03-29 02:10:32,790 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.56/8.48 [2019-03-29 02:10:32,791 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.56/8.48 [2019-03-29 02:10:32,791 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.56/8.48 [2019-03-29 02:10:32,795 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.56/8.48 [2019-03-29 02:10:32,795 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.56/8.48 [2019-03-29 02:10:32,803 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.56/8.48 [2019-03-29 02:10:32,804 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.56/8.48 Termination analysis: LINEAR_WITH_GUESSES 17.56/8.48 Number of strict supporting invariants: 0 17.56/8.48 Number of non-strict supporting invariants: 1 17.56/8.48 Consider only non-deceasing supporting invariants: true 17.56/8.48 Simplify termination arguments: true 17.56/8.48 Simplify supporting invariants: trueOverapproximate stem: false 17.56/8.48 [2019-03-29 02:10:32,804 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.56/8.48 [2019-03-29 02:10:32,805 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.56/8.48 [2019-03-29 02:10:32,805 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.56/8.48 [2019-03-29 02:10:32,805 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.56/8.48 [2019-03-29 02:10:32,807 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.56/8.48 [2019-03-29 02:10:32,808 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.56/8.48 [2019-03-29 02:10:32,820 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.56/8.48 [2019-03-29 02:10:32,820 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.56/8.48 Termination analysis: LINEAR_WITH_GUESSES 17.56/8.48 Number of strict supporting invariants: 0 17.56/8.48 Number of non-strict supporting invariants: 1 17.56/8.48 Consider only non-deceasing supporting invariants: true 17.56/8.48 Simplify termination arguments: true 17.56/8.48 Simplify supporting invariants: trueOverapproximate stem: false 17.56/8.48 [2019-03-29 02:10:32,821 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.56/8.48 [2019-03-29 02:10:32,821 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.56/8.48 [2019-03-29 02:10:32,822 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.56/8.48 [2019-03-29 02:10:32,822 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.56/8.48 [2019-03-29 02:10:32,822 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.56/8.48 [2019-03-29 02:10:32,825 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.56/8.48 [2019-03-29 02:10:32,825 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.56/8.48 [2019-03-29 02:10:32,833 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.56/8.48 [2019-03-29 02:10:32,840 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.56/8.48 [2019-03-29 02:10:32,841 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 17.56/8.48 [2019-03-29 02:10:32,843 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.56/8.48 [2019-03-29 02:10:32,843 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.56/8.48 [2019-03-29 02:10:32,843 INFO L518 LassoAnalysis]: Proved termination. 17.56/8.48 [2019-03-29 02:10:32,844 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.56/8.48 Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 17.56/8.48 Supporting invariants [] 17.56/8.48 [2019-03-29 02:10:32,845 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.56/8.48 [2019-03-29 02:10:32,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.56/8.48 [2019-03-29 02:10:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.56/8.48 [2019-03-29 02:10:32,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core 17.56/8.48 [2019-03-29 02:10:32,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.56/8.48 [2019-03-29 02:10:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.56/8.48 [2019-03-29 02:10:32,899 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core 17.56/8.48 [2019-03-29 02:10:32,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.56/8.48 [2019-03-29 02:10:32,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.56/8.48 [2019-03-29 02:10:32,951 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 17.56/8.48 [2019-03-29 02:10:32,957 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 17.56/8.48 [2019-03-29 02:10:32,958 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 3 states. Second operand 3 states. 17.56/8.48 [2019-03-29 02:10:33,011 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 3 states.. Second operand 3 states. Result 10 states and 15 transitions. Complement of second has 7 states. 17.56/8.48 [2019-03-29 02:10:33,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 2 accepting loop states 17.56/8.48 [2019-03-29 02:10:33,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 17.56/8.48 [2019-03-29 02:10:33,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. 17.56/8.48 [2019-03-29 02:10:33,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 2 letters. 17.56/8.48 [2019-03-29 02:10:33,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.56/8.48 [2019-03-29 02:10:33,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. 17.56/8.48 [2019-03-29 02:10:33,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.56/8.48 [2019-03-29 02:10:33,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 4 letters. 17.56/8.48 [2019-03-29 02:10:33,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.56/8.48 [2019-03-29 02:10:33,025 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 15 transitions. 17.56/8.48 [2019-03-29 02:10:33,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.56/8.48 [2019-03-29 02:10:33,029 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 15 transitions. 17.56/8.48 [2019-03-29 02:10:33,030 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 17.56/8.48 [2019-03-29 02:10:33,031 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 17.56/8.48 [2019-03-29 02:10:33,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 15 transitions. 17.56/8.48 [2019-03-29 02:10:33,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.56/8.48 [2019-03-29 02:10:33,032 INFO L706 BuchiCegarLoop]: Abstraction has 10 states and 15 transitions. 17.56/8.48 [2019-03-29 02:10:33,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 15 transitions. 17.56/8.48 [2019-03-29 02:10:33,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. 17.56/8.48 [2019-03-29 02:10:33,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. 17.56/8.48 [2019-03-29 02:10:33,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 14 transitions. 17.56/8.48 [2019-03-29 02:10:33,061 INFO L729 BuchiCegarLoop]: Abstraction has 9 states and 14 transitions. 17.56/8.48 [2019-03-29 02:10:33,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. 17.56/8.48 [2019-03-29 02:10:33,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 17.56/8.48 [2019-03-29 02:10:33,064 INFO L87 Difference]: Start difference. First operand 9 states and 14 transitions. Second operand 4 states. 17.56/8.48 [2019-03-29 02:10:33,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. 17.56/8.48 [2019-03-29 02:10:33,086 INFO L93 Difference]: Finished difference Result 8 states and 11 transitions. 17.56/8.48 [2019-03-29 02:10:33,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 17.56/8.48 [2019-03-29 02:10:33,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 11 transitions. 17.56/8.48 [2019-03-29 02:10:33,089 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.56/8.48 [2019-03-29 02:10:33,089 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 5 states and 6 transitions. 17.56/8.48 [2019-03-29 02:10:33,089 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 17.56/8.48 [2019-03-29 02:10:33,089 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 17.56/8.48 [2019-03-29 02:10:33,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 6 transitions. 17.56/8.48 [2019-03-29 02:10:33,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 17.56/8.48 [2019-03-29 02:10:33,090 INFO L706 BuchiCegarLoop]: Abstraction has 5 states and 6 transitions. 17.56/8.48 [2019-03-29 02:10:33,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 6 transitions. 17.56/8.48 [2019-03-29 02:10:33,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 4. 17.56/8.48 [2019-03-29 02:10:33,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. 17.56/8.48 [2019-03-29 02:10:33,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. 17.56/8.48 [2019-03-29 02:10:33,091 INFO L729 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 17.56/8.48 [2019-03-29 02:10:33,091 INFO L609 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. 17.56/8.48 [2019-03-29 02:10:33,091 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ 17.56/8.48 [2019-03-29 02:10:33,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. 17.56/8.48 [2019-03-29 02:10:33,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 17.56/8.48 [2019-03-29 02:10:33,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.56/8.48 [2019-03-29 02:10:33,092 INFO L119 BuchiIsEmpty]: Starting construction of run 17.56/8.48 [2019-03-29 02:10:33,093 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] 17.56/8.48 [2019-03-29 02:10:33,093 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] 17.56/8.48 [2019-03-29 02:10:33,093 INFO L794 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRY [56] ULTIMATE.startENTRY-->L22-2: Formula: (and (= 0 v_ULTIMATE.start_main_~i~0_15) (<= 1 v_ULTIMATE.start_main_~k~0_9)) InVars {} OutVars{ULTIMATE.start_main_~k~0=v_ULTIMATE.start_main_~k~0_9, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_11, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_15} AuxVars[] AssignedVars[ULTIMATE.start_main_~k~0, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0] 76#L22-2 17.56/8.48 [2019-03-29 02:10:33,093 INFO L796 eck$LassoCheckResult]: Loop: 76#L22-2 [49] L22-2-->L24-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~n~0_7) (= v_ULTIMATE.start_main_~j~0_6 0)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 77#L24-2 [41] L24-2-->L24-2: Formula: (and (<= v_ULTIMATE.start_main_~j~0_9 v_ULTIMATE.start_main_~i~0_10) (= v_ULTIMATE.start_main_~j~0_8 (+ v_ULTIMATE.start_main_~k~0_7 v_ULTIMATE.start_main_~j~0_9))) InVars {ULTIMATE.start_main_~k~0=v_ULTIMATE.start_main_~k~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9} OutVars{ULTIMATE.start_main_~k~0=v_ULTIMATE.start_main_~k~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 78#L24-2 [54] L24-2-->L22-2: Formula: (and (= (+ v_ULTIMATE.start_main_~i~0_14 1) v_ULTIMATE.start_main_~i~0_13) (< v_ULTIMATE.start_main_~i~0_14 v_ULTIMATE.start_main_~j~0_10)) InVars {ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_14} OutVars{ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_10, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_13} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0] 76#L22-2 17.56/8.48 [2019-03-29 02:10:33,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.56/8.48 [2019-03-29 02:10:33,094 INFO L82 PathProgramCache]: Analyzing trace with hash 87, now seen corresponding path program 2 times 17.56/8.48 [2019-03-29 02:10:33,094 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.56/8.48 [2019-03-29 02:10:33,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.56/8.48 [2019-03-29 02:10:33,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:33,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:33,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.56/8.48 [2019-03-29 02:10:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.56/8.48 [2019-03-29 02:10:33,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.56/8.48 [2019-03-29 02:10:33,100 INFO L82 PathProgramCache]: Analyzing trace with hash 78205, now seen corresponding path program 1 times 17.56/8.48 [2019-03-29 02:10:33,100 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.56/8.48 [2019-03-29 02:10:33,100 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.56/8.48 [2019-03-29 02:10:33,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:33,102 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:33,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.56/8.48 [2019-03-29 02:10:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.56/8.48 [2019-03-29 02:10:33,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.56/8.48 [2019-03-29 02:10:33,112 INFO L82 PathProgramCache]: Analyzing trace with hash 2640231, now seen corresponding path program 1 times 17.56/8.48 [2019-03-29 02:10:33,112 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.56/8.48 [2019-03-29 02:10:33,112 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.56/8.48 [2019-03-29 02:10:33,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:33,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:33,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.56/8.48 [2019-03-29 02:10:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.56/8.48 [2019-03-29 02:10:33,149 INFO L216 LassoAnalysis]: Preferences: 17.56/8.48 [2019-03-29 02:10:33,149 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.56/8.48 [2019-03-29 02:10:33,150 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.56/8.48 [2019-03-29 02:10:33,150 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.56/8.48 [2019-03-29 02:10:33,150 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.56/8.48 [2019-03-29 02:10:33,150 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:33,150 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.56/8.48 [2019-03-29 02:10:33,150 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.56/8.48 [2019-03-29 02:10:33,150 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.56/8.48 [2019-03-29 02:10:33,151 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.56/8.48 [2019-03-29 02:10:33,151 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.56/8.48 [2019-03-29 02:10:33,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:33,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:33,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:33,238 INFO L300 LassoAnalysis]: Preprocessing complete. 17.56/8.48 [2019-03-29 02:10:33,238 INFO L412 LassoAnalysis]: Checking for nontermination... 17.56/8.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.56/8.48 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.56/8.48 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:33,242 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.56/8.48 [2019-03-29 02:10:33,242 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.56/8.48 [2019-03-29 02:10:33,271 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.56/8.48 [2019-03-29 02:10:33,271 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: [] 17.56/8.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.56/8.48 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.56/8.48 Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:33,276 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.56/8.48 [2019-03-29 02:10:33,277 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.56/8.48 [2019-03-29 02:10:33,304 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.56/8.48 [2019-03-29 02:10:33,304 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: [] 17.56/8.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.56/8.48 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.56/8.48 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:33,309 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.56/8.48 [2019-03-29 02:10:33,310 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.56/8.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.56/8.48 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.56/8.48 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:33,343 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.56/8.48 [2019-03-29 02:10:33,343 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.56/8.48 [2019-03-29 02:10:33,462 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.56/8.48 [2019-03-29 02:10:33,465 INFO L216 LassoAnalysis]: Preferences: 17.56/8.48 [2019-03-29 02:10:33,465 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.56/8.48 [2019-03-29 02:10:33,465 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.56/8.48 [2019-03-29 02:10:33,465 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.56/8.48 [2019-03-29 02:10:33,465 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.56/8.48 [2019-03-29 02:10:33,466 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:33,466 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.56/8.48 [2019-03-29 02:10:33,466 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.56/8.48 [2019-03-29 02:10:33,466 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration2_Loop 17.56/8.48 [2019-03-29 02:10:33,466 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.56/8.48 [2019-03-29 02:10:33,466 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.56/8.48 [2019-03-29 02:10:33,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:33,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:33,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:33,547 INFO L300 LassoAnalysis]: Preprocessing complete. 17.56/8.48 [2019-03-29 02:10:33,547 INFO L497 LassoAnalysis]: Using template 'affine'. 17.56/8.48 [2019-03-29 02:10:33,548 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.56/8.48 Termination analysis: LINEAR_WITH_GUESSES 17.56/8.48 Number of strict supporting invariants: 0 17.56/8.48 Number of non-strict supporting invariants: 1 17.56/8.48 Consider only non-deceasing supporting invariants: true 17.56/8.48 Simplify termination arguments: true 17.56/8.48 Simplify supporting invariants: trueOverapproximate stem: false 17.56/8.48 [2019-03-29 02:10:33,549 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.56/8.48 [2019-03-29 02:10:33,549 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.56/8.48 [2019-03-29 02:10:33,549 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.56/8.48 [2019-03-29 02:10:33,549 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.56/8.48 [2019-03-29 02:10:33,551 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.56/8.48 [2019-03-29 02:10:33,551 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.56/8.48 [2019-03-29 02:10:33,555 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.56/8.48 [2019-03-29 02:10:33,555 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.56/8.48 Termination analysis: LINEAR_WITH_GUESSES 17.56/8.48 Number of strict supporting invariants: 0 17.56/8.48 Number of non-strict supporting invariants: 1 17.56/8.48 Consider only non-deceasing supporting invariants: true 17.56/8.48 Simplify termination arguments: true 17.56/8.48 Simplify supporting invariants: trueOverapproximate stem: false 17.56/8.48 [2019-03-29 02:10:33,556 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.56/8.48 [2019-03-29 02:10:33,556 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.56/8.48 [2019-03-29 02:10:33,556 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.56/8.48 [2019-03-29 02:10:33,556 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.56/8.48 [2019-03-29 02:10:33,558 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.56/8.48 [2019-03-29 02:10:33,558 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.56/8.48 [2019-03-29 02:10:33,564 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.56/8.48 [2019-03-29 02:10:33,565 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.56/8.48 Termination analysis: LINEAR_WITH_GUESSES 17.56/8.48 Number of strict supporting invariants: 0 17.56/8.48 Number of non-strict supporting invariants: 1 17.56/8.48 Consider only non-deceasing supporting invariants: true 17.56/8.48 Simplify termination arguments: true 17.56/8.48 Simplify supporting invariants: trueOverapproximate stem: false 17.56/8.48 [2019-03-29 02:10:33,566 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.56/8.48 [2019-03-29 02:10:33,566 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.56/8.48 [2019-03-29 02:10:33,566 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.56/8.48 [2019-03-29 02:10:33,566 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.56/8.48 [2019-03-29 02:10:33,566 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.56/8.48 [2019-03-29 02:10:33,567 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.56/8.48 [2019-03-29 02:10:33,568 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.56/8.48 [2019-03-29 02:10:33,574 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.56/8.48 [2019-03-29 02:10:33,581 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. 17.56/8.48 [2019-03-29 02:10:33,582 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. 17.56/8.48 [2019-03-29 02:10:33,582 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.56/8.48 [2019-03-29 02:10:33,582 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. 17.56/8.48 [2019-03-29 02:10:33,582 INFO L518 LassoAnalysis]: Proved termination. 17.56/8.48 [2019-03-29 02:10:33,583 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.56/8.48 Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 17.56/8.48 Supporting invariants [] 17.56/8.48 [2019-03-29 02:10:33,583 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed 17.56/8.48 [2019-03-29 02:10:33,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.56/8.48 [2019-03-29 02:10:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.56/8.48 [2019-03-29 02:10:33,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core 17.56/8.48 [2019-03-29 02:10:33,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.56/8.48 [2019-03-29 02:10:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.56/8.48 [2019-03-29 02:10:33,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core 17.56/8.48 [2019-03-29 02:10:33,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.56/8.48 [2019-03-29 02:10:33,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. 17.56/8.48 [2019-03-29 02:10:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.56/8.48 [2019-03-29 02:10:33,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core 17.56/8.48 [2019-03-29 02:10:33,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.56/8.48 [2019-03-29 02:10:33,681 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 3 predicates after loop cannibalization 17.56/8.48 [2019-03-29 02:10:33,681 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates 17.56/8.48 [2019-03-29 02:10:33,682 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 3 states. 17.56/8.48 [2019-03-29 02:10:33,708 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 4 states and 5 transitions. cyclomatic complexity: 2. Second operand 3 states. Result 7 states and 10 transitions. Complement of second has 4 states. 17.56/8.48 [2019-03-29 02:10:33,708 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 17.56/8.48 [2019-03-29 02:10:33,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 17.56/8.48 [2019-03-29 02:10:33,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. 17.56/8.48 [2019-03-29 02:10:33,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 3 letters. 17.56/8.48 [2019-03-29 02:10:33,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.56/8.48 [2019-03-29 02:10:33,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 3 letters. 17.56/8.48 [2019-03-29 02:10:33,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.56/8.48 [2019-03-29 02:10:33,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 1 letters. Loop has 6 letters. 17.56/8.48 [2019-03-29 02:10:33,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.56/8.48 [2019-03-29 02:10:33,712 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 10 transitions. 17.56/8.48 [2019-03-29 02:10:33,713 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 17.56/8.48 [2019-03-29 02:10:33,713 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 10 transitions. 17.56/8.48 [2019-03-29 02:10:33,714 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 17.56/8.48 [2019-03-29 02:10:33,714 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 17.56/8.48 [2019-03-29 02:10:33,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. 17.56/8.48 [2019-03-29 02:10:33,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. 17.56/8.48 [2019-03-29 02:10:33,714 INFO L706 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. 17.56/8.48 [2019-03-29 02:10:33,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. 17.56/8.48 [2019-03-29 02:10:33,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. 17.56/8.48 [2019-03-29 02:10:33,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. 17.56/8.48 [2019-03-29 02:10:33,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. 17.56/8.48 [2019-03-29 02:10:33,716 INFO L729 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 17.56/8.48 [2019-03-29 02:10:33,716 INFO L609 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. 17.56/8.48 [2019-03-29 02:10:33,716 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ 17.56/8.48 [2019-03-29 02:10:33,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. 17.56/8.48 [2019-03-29 02:10:33,716 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 17.56/8.48 [2019-03-29 02:10:33,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false 17.56/8.48 [2019-03-29 02:10:33,717 INFO L119 BuchiIsEmpty]: Starting construction of run 17.56/8.48 [2019-03-29 02:10:33,717 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] 17.56/8.48 [2019-03-29 02:10:33,717 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] 17.56/8.48 [2019-03-29 02:10:33,717 INFO L794 eck$LassoCheckResult]: Stem: 127#ULTIMATE.startENTRY [56] ULTIMATE.startENTRY-->L22-2: Formula: (and (= 0 v_ULTIMATE.start_main_~i~0_15) (<= 1 v_ULTIMATE.start_main_~k~0_9)) InVars {} OutVars{ULTIMATE.start_main_~k~0=v_ULTIMATE.start_main_~k~0_9, ULTIMATE.start_main_#t~nondet0=|v_ULTIMATE.start_main_#t~nondet0_6|, ULTIMATE.start_main_#t~nondet1=|v_ULTIMATE.start_main_#t~nondet1_6|, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_11, ULTIMATE.start_main_#t~nondet2=|v_ULTIMATE.start_main_#t~nondet2_6|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_6|, ULTIMATE.start_main_#t~nondet3=|v_ULTIMATE.start_main_#t~nondet3_6|, ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_8, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_15} AuxVars[] AssignedVars[ULTIMATE.start_main_~k~0, ULTIMATE.start_main_#t~nondet0, ULTIMATE.start_main_#t~nondet1, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_#t~nondet2, ULTIMATE.start_main_#res, ULTIMATE.start_main_#t~nondet3, ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0] 128#L22-2 [49] L22-2-->L24-2: Formula: (and (< v_ULTIMATE.start_main_~i~0_8 v_ULTIMATE.start_main_~n~0_7) (= v_ULTIMATE.start_main_~j~0_6 0)) InVars {ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8} OutVars{ULTIMATE.start_main_~n~0=v_ULTIMATE.start_main_~n~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_8, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 129#L24-2 17.56/8.48 [2019-03-29 02:10:33,718 INFO L796 eck$LassoCheckResult]: Loop: 129#L24-2 [41] L24-2-->L24-2: Formula: (and (<= v_ULTIMATE.start_main_~j~0_9 v_ULTIMATE.start_main_~i~0_10) (= v_ULTIMATE.start_main_~j~0_8 (+ v_ULTIMATE.start_main_~k~0_7 v_ULTIMATE.start_main_~j~0_9))) InVars {ULTIMATE.start_main_~k~0=v_ULTIMATE.start_main_~k~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_9} OutVars{ULTIMATE.start_main_~k~0=v_ULTIMATE.start_main_~k~0_7, ULTIMATE.start_main_~i~0=v_ULTIMATE.start_main_~i~0_10, ULTIMATE.start_main_~j~0=v_ULTIMATE.start_main_~j~0_8} AuxVars[] AssignedVars[ULTIMATE.start_main_~j~0] 129#L24-2 17.56/8.48 [2019-03-29 02:10:33,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.56/8.48 [2019-03-29 02:10:33,718 INFO L82 PathProgramCache]: Analyzing trace with hash 2746, now seen corresponding path program 1 times 17.56/8.48 [2019-03-29 02:10:33,718 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.56/8.48 [2019-03-29 02:10:33,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.56/8.48 [2019-03-29 02:10:33,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:33,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:33,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.56/8.48 [2019-03-29 02:10:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.56/8.48 [2019-03-29 02:10:33,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.56/8.48 [2019-03-29 02:10:33,726 INFO L82 PathProgramCache]: Analyzing trace with hash 72, now seen corresponding path program 1 times 17.56/8.48 [2019-03-29 02:10:33,727 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.56/8.48 [2019-03-29 02:10:33,727 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.56/8.48 [2019-03-29 02:10:33,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:33,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:33,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.56/8.48 [2019-03-29 02:10:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.56/8.48 [2019-03-29 02:10:33,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.56/8.48 [2019-03-29 02:10:33,733 INFO L82 PathProgramCache]: Analyzing trace with hash 85167, now seen corresponding path program 1 times 17.56/8.48 [2019-03-29 02:10:33,733 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS 17.56/8.48 [2019-03-29 02:10:33,733 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy 17.56/8.48 [2019-03-29 02:10:33,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:33,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:33,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY 17.56/8.48 [2019-03-29 02:10:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.56/8.48 [2019-03-29 02:10:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat 17.56/8.48 [2019-03-29 02:10:33,774 INFO L216 LassoAnalysis]: Preferences: 17.56/8.48 [2019-03-29 02:10:33,774 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.56/8.48 [2019-03-29 02:10:33,774 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.56/8.48 [2019-03-29 02:10:33,774 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.56/8.48 [2019-03-29 02:10:33,775 INFO L127 ssoRankerPreferences]: Use exernal solver: true 17.56/8.48 [2019-03-29 02:10:33,775 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:33,775 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.56/8.48 [2019-03-29 02:10:33,775 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.56/8.48 [2019-03-29 02:10:33,775 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso 17.56/8.48 [2019-03-29 02:10:33,775 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.56/8.48 [2019-03-29 02:10:33,775 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.56/8.48 [2019-03-29 02:10:33,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:33,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:33,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:33,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:33,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:33,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:33,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:33,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:33,880 INFO L300 LassoAnalysis]: Preprocessing complete. 17.56/8.48 [2019-03-29 02:10:33,881 INFO L412 LassoAnalysis]: Checking for nontermination... 17.56/8.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.56/8.48 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.56/8.48 Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:33,885 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.56/8.48 [2019-03-29 02:10:33,885 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.56/8.48 [2019-03-29 02:10:33,889 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.56/8.48 [2019-03-29 02:10:33,889 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.56/8.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.56/8.48 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.56/8.48 Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:33,916 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.56/8.48 [2019-03-29 02:10:33,916 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.56/8.48 [2019-03-29 02:10:33,920 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.56/8.48 [2019-03-29 02:10:33,920 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.56/8.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.56/8.48 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.56/8.48 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:33,947 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.56/8.48 [2019-03-29 02:10:33,947 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.56/8.48 [2019-03-29 02:10:33,951 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.56/8.48 [2019-03-29 02:10:33,951 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.56/8.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.56/8.48 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.56/8.48 Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:33,979 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.56/8.48 [2019-03-29 02:10:33,979 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.56/8.48 [2019-03-29 02:10:34,006 INFO L445 LassoAnalysis]: Proved nontermination for one component. 17.56/8.48 [2019-03-29 02:10:34,006 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 17.56/8.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.56/8.48 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.56/8.48 Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:34,011 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true 17.56/8.48 [2019-03-29 02:10:34,011 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.56/8.48 No working directory specified, using /export/starexec/sandbox/solver/bin/z3 17.56/8.48 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) 17.56/8.48 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:4560 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:34,043 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true 17.56/8.48 [2019-03-29 02:10:34,043 INFO L163 nArgumentSynthesizer]: Using integer mode. 17.56/8.48 [2019-03-29 02:10:35,004 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. 17.56/8.48 [2019-03-29 02:10:35,007 INFO L216 LassoAnalysis]: Preferences: 17.56/8.48 [2019-03-29 02:10:35,007 INFO L124 ssoRankerPreferences]: Compute integeral hull: false 17.56/8.48 [2019-03-29 02:10:35,007 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true 17.56/8.48 [2019-03-29 02:10:35,007 INFO L126 ssoRankerPreferences]: Term annotations enabled: false 17.56/8.48 [2019-03-29 02:10:35,008 INFO L127 ssoRankerPreferences]: Use exernal solver: false 17.56/8.48 [2019-03-29 02:10:35,008 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 17.56/8.48 [2019-03-29 02:10:35,008 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false 17.56/8.48 [2019-03-29 02:10:35,008 INFO L130 ssoRankerPreferences]: Path of dumped script: 17.56/8.48 [2019-03-29 02:10:35,009 INFO L131 ssoRankerPreferences]: Filename of dumped script: theBenchmark.c_BEv2_Iteration3_Lasso 17.56/8.48 [2019-03-29 02:10:35,009 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank 17.56/8.48 [2019-03-29 02:10:35,009 INFO L282 LassoAnalysis]: Starting lasso preprocessing... 17.56/8.48 [2019-03-29 02:10:35,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:35,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:35,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:35,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:35,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:35,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:35,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:35,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true 17.56/8.48 [2019-03-29 02:10:35,129 INFO L300 LassoAnalysis]: Preprocessing complete. 17.56/8.48 [2019-03-29 02:10:35,129 INFO L497 LassoAnalysis]: Using template 'affine'. 17.56/8.48 [2019-03-29 02:10:35,129 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.56/8.48 Termination analysis: LINEAR_WITH_GUESSES 17.56/8.48 Number of strict supporting invariants: 0 17.56/8.48 Number of non-strict supporting invariants: 1 17.56/8.48 Consider only non-deceasing supporting invariants: true 17.56/8.48 Simplify termination arguments: true 17.56/8.48 Simplify supporting invariants: trueOverapproximate stem: false 17.56/8.48 [2019-03-29 02:10:35,130 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.56/8.48 [2019-03-29 02:10:35,130 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.56/8.48 [2019-03-29 02:10:35,131 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.56/8.48 [2019-03-29 02:10:35,131 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.56/8.48 [2019-03-29 02:10:35,131 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.56/8.48 [2019-03-29 02:10:35,131 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.56/8.48 [2019-03-29 02:10:35,131 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.56/8.48 [2019-03-29 02:10:35,132 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.56/8.48 [2019-03-29 02:10:35,133 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.56/8.48 Termination analysis: LINEAR_WITH_GUESSES 17.56/8.48 Number of strict supporting invariants: 0 17.56/8.48 Number of non-strict supporting invariants: 1 17.56/8.48 Consider only non-deceasing supporting invariants: true 17.56/8.48 Simplify termination arguments: true 17.56/8.48 Simplify supporting invariants: trueOverapproximate stem: false 17.56/8.48 [2019-03-29 02:10:35,133 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.56/8.48 [2019-03-29 02:10:35,133 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.56/8.48 [2019-03-29 02:10:35,134 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.56/8.48 [2019-03-29 02:10:35,134 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.56/8.48 [2019-03-29 02:10:35,134 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.56/8.48 [2019-03-29 02:10:35,134 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.56/8.48 [2019-03-29 02:10:35,134 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.56/8.48 [2019-03-29 02:10:35,135 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.56/8.48 [2019-03-29 02:10:35,135 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.56/8.48 Termination analysis: LINEAR_WITH_GUESSES 17.56/8.48 Number of strict supporting invariants: 0 17.56/8.48 Number of non-strict supporting invariants: 1 17.56/8.48 Consider only non-deceasing supporting invariants: true 17.56/8.48 Simplify termination arguments: true 17.56/8.48 Simplify supporting invariants: trueOverapproximate stem: false 17.56/8.48 [2019-03-29 02:10:35,137 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.56/8.48 [2019-03-29 02:10:35,137 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.56/8.48 [2019-03-29 02:10:35,137 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.56/8.48 [2019-03-29 02:10:35,137 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.56/8.48 [2019-03-29 02:10:35,137 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.56/8.48 [2019-03-29 02:10:35,138 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.56/8.48 [2019-03-29 02:10:35,138 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.56/8.48 [2019-03-29 02:10:35,139 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.56/8.48 [2019-03-29 02:10:35,139 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.56/8.48 Termination analysis: LINEAR_WITH_GUESSES 17.56/8.48 Number of strict supporting invariants: 0 17.56/8.48 Number of non-strict supporting invariants: 1 17.56/8.48 Consider only non-deceasing supporting invariants: true 17.56/8.48 Simplify termination arguments: true 17.56/8.48 Simplify supporting invariants: trueOverapproximate stem: false 17.56/8.48 [2019-03-29 02:10:35,140 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.56/8.48 [2019-03-29 02:10:35,140 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.56/8.48 [2019-03-29 02:10:35,140 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.56/8.48 [2019-03-29 02:10:35,140 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.56/8.48 [2019-03-29 02:10:35,140 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.56/8.48 [2019-03-29 02:10:35,141 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.56/8.48 [2019-03-29 02:10:35,141 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.56/8.48 [2019-03-29 02:10:35,141 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.56/8.48 [2019-03-29 02:10:35,142 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.56/8.48 Termination analysis: LINEAR_WITH_GUESSES 17.56/8.48 Number of strict supporting invariants: 0 17.56/8.48 Number of non-strict supporting invariants: 1 17.56/8.48 Consider only non-deceasing supporting invariants: true 17.56/8.48 Simplify termination arguments: true 17.56/8.48 Simplify supporting invariants: trueOverapproximate stem: false 17.56/8.48 [2019-03-29 02:10:35,142 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.56/8.48 [2019-03-29 02:10:35,142 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. 17.56/8.48 [2019-03-29 02:10:35,143 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.56/8.48 [2019-03-29 02:10:35,143 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.56/8.48 [2019-03-29 02:10:35,143 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.56/8.48 [2019-03-29 02:10:35,143 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. 17.56/8.48 [2019-03-29 02:10:35,143 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. 17.56/8.48 [2019-03-29 02:10:35,144 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.56/8.48 [2019-03-29 02:10:35,144 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.56/8.48 Termination analysis: LINEAR_WITH_GUESSES 17.56/8.48 Number of strict supporting invariants: 0 17.56/8.48 Number of non-strict supporting invariants: 1 17.56/8.48 Consider only non-deceasing supporting invariants: true 17.56/8.48 Simplify termination arguments: true 17.56/8.48 Simplify supporting invariants: trueOverapproximate stem: false 17.56/8.48 [2019-03-29 02:10:35,145 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.56/8.48 [2019-03-29 02:10:35,145 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.56/8.48 [2019-03-29 02:10:35,145 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.56/8.48 [2019-03-29 02:10:35,145 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.56/8.48 [2019-03-29 02:10:35,147 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.56/8.48 [2019-03-29 02:10:35,147 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.56/8.48 [2019-03-29 02:10:35,150 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. 17.56/8.48 [2019-03-29 02:10:35,151 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: 17.56/8.48 Termination analysis: LINEAR_WITH_GUESSES 17.56/8.48 Number of strict supporting invariants: 0 17.56/8.48 Number of non-strict supporting invariants: 1 17.56/8.48 Consider only non-deceasing supporting invariants: true 17.56/8.48 Simplify termination arguments: true 17.56/8.48 Simplify supporting invariants: trueOverapproximate stem: false 17.56/8.48 [2019-03-29 02:10:35,151 INFO L339 nArgumentSynthesizer]: Template has degree 0. 17.56/8.48 [2019-03-29 02:10:35,151 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts 17.56/8.48 [2019-03-29 02:10:35,152 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts 17.56/8.48 [2019-03-29 02:10:35,152 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. 17.56/8.48 [2019-03-29 02:10:35,154 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. 17.56/8.48 [2019-03-29 02:10:35,154 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. 17.56/8.48 [2019-03-29 02:10:35,171 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. 17.56/8.48 [2019-03-29 02:10:35,182 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. 17.56/8.48 [2019-03-29 02:10:35,183 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 0 variables to zero. 17.56/8.48 [2019-03-29 02:10:35,184 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... 17.56/8.48 [2019-03-29 02:10:35,186 INFO L440 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. 17.56/8.48 [2019-03-29 02:10:35,186 INFO L518 LassoAnalysis]: Proved termination. 17.56/8.48 [2019-03-29 02:10:35,186 INFO L520 LassoAnalysis]: Termination argument consisting of: 17.56/8.48 Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~j~0) = 2*ULTIMATE.start_main_~i~0 - 2*ULTIMATE.start_main_~j~0 + 1 17.56/8.48 Supporting invariants [1*ULTIMATE.start_main_~k~0 - 1 >= 0] 17.56/8.48 [2019-03-29 02:10:35,196 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed 17.56/8.48 [2019-03-29 02:10:35,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier 17.56/8.48 [2019-03-29 02:10:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.56/8.48 [2019-03-29 02:10:35,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 3 conjunts are in the unsatisfiable core 17.56/8.48 [2019-03-29 02:10:35,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.56/8.48 [2019-03-29 02:10:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat 17.56/8.48 [2019-03-29 02:10:35,239 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core 17.56/8.48 [2019-03-29 02:10:35,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... 17.56/8.48 [2019-03-29 02:10:35,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. 17.56/8.48 [2019-03-29 02:10:35,251 INFO L98 LoopCannibalizer]: 2 predicates before loop cannibalization 2 predicates after loop cannibalization 17.56/8.48 [2019-03-29 02:10:35,251 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates 17.56/8.48 [2019-03-29 02:10:35,252 INFO L69 BuchiDifferenceNCSB]: Start buchiDifferenceNCSB. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand 3 states. 17.56/8.48 [2019-03-29 02:10:35,304 INFO L73 BuchiDifferenceNCSB]: Finished buchiDifferenceNCSB. First operand 6 states and 9 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 16 states and 23 transitions. Complement of second has 7 states. 17.56/8.48 [2019-03-29 02:10:35,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states 17.56/8.48 [2019-03-29 02:10:35,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. 17.56/8.48 [2019-03-29 02:10:35,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. 17.56/8.48 [2019-03-29 02:10:35,306 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. 17.56/8.48 [2019-03-29 02:10:35,306 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.56/8.48 [2019-03-29 02:10:35,306 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 3 letters. Loop has 1 letters. 17.56/8.48 [2019-03-29 02:10:35,307 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.56/8.48 [2019-03-29 02:10:35,307 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. 17.56/8.48 [2019-03-29 02:10:35,307 INFO L116 BuchiAccepts]: Finished buchiAccepts. 17.56/8.48 [2019-03-29 02:10:35,308 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 23 transitions. 17.56/8.48 [2019-03-29 02:10:35,309 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 17.56/8.48 [2019-03-29 02:10:35,309 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. 17.56/8.48 [2019-03-29 02:10:35,309 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 17.56/8.48 [2019-03-29 02:10:35,309 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 17.56/8.48 [2019-03-29 02:10:35,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. 17.56/8.48 [2019-03-29 02:10:35,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. 17.56/8.48 [2019-03-29 02:10:35,310 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.56/8.48 [2019-03-29 02:10:35,310 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.56/8.48 [2019-03-29 02:10:35,310 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. 17.56/8.48 [2019-03-29 02:10:35,310 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ 17.56/8.48 [2019-03-29 02:10:35,310 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. 17.56/8.48 [2019-03-29 02:10:35,310 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 17.56/8.48 [2019-03-29 02:10:35,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true 17.56/8.48 [2019-03-29 02:10:35,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.03 02:10:35 BasicIcfg 17.56/8.48 [2019-03-29 02:10:35,317 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- 17.56/8.48 [2019-03-29 02:10:35,317 INFO L168 Benchmark]: Toolchain (without parser) took 4105.17 ms. Allocated memory was 649.6 MB in the beginning and 747.6 MB in the end (delta: 98.0 MB). Free memory was 559.5 MB in the beginning and 671.2 MB in the end (delta: -111.6 MB). There was no memory consumed. Max. memory is 50.3 GB. 17.56/8.48 [2019-03-29 02:10:35,319 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.56/8.48 [2019-03-29 02:10:35,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 222.81 ms. Allocated memory is still 649.6 MB. Free memory was 559.5 MB in the beginning and 549.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 17.56/8.48 [2019-03-29 02:10:35,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.71 ms. Allocated memory was 649.6 MB in the beginning and 669.5 MB in the end (delta: 19.9 MB). Free memory was 549.8 MB in the beginning and 636.3 MB in the end (delta: -86.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 50.3 GB. 17.56/8.48 [2019-03-29 02:10:35,321 INFO L168 Benchmark]: Boogie Preprocessor took 20.28 ms. Allocated memory is still 669.5 MB. Free memory was 636.3 MB in the beginning and 633.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 17.56/8.48 [2019-03-29 02:10:35,321 INFO L168 Benchmark]: RCFGBuilder took 195.09 ms. Allocated memory is still 669.5 MB. Free memory was 633.5 MB in the beginning and 620.0 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 17.56/8.48 [2019-03-29 02:10:35,322 INFO L168 Benchmark]: BlockEncodingV2 took 79.44 ms. Allocated memory is still 669.5 MB. Free memory was 620.0 MB in the beginning and 613.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 17.56/8.48 [2019-03-29 02:10:35,323 INFO L168 Benchmark]: TraceAbstraction took 166.97 ms. Allocated memory is still 669.5 MB. Free memory was 612.4 MB in the beginning and 603.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 17.56/8.48 [2019-03-29 02:10:35,323 INFO L168 Benchmark]: BuchiAutomizer took 3323.81 ms. Allocated memory was 669.5 MB in the beginning and 747.6 MB in the end (delta: 78.1 MB). Free memory was 603.7 MB in the beginning and 671.2 MB in the end (delta: -67.5 MB). Peak memory consumption was 10.6 MB. Max. memory is 50.3 GB. 17.56/8.48 [2019-03-29 02:10:35,330 INFO L337 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### 17.56/8.48 --- Results --- 17.56/8.48 * Results from de.uni_freiburg.informatik.ultimate.plugins.blockencoding: 17.56/8.48 - StatisticsResult: Initial Icfg 17.56/8.48 9 locations, 13 edges 17.56/8.48 - StatisticsResult: Encoded RCFG 17.56/8.48 3 locations, 4 edges 17.56/8.48 * Results from de.uni_freiburg.informatik.ultimate.core: 17.56/8.48 - StatisticsResult: Toolchain Benchmarks 17.56/8.48 Benchmark results are: 17.56/8.48 * CDTParser took 0.16 ms. Allocated memory is still 649.6 MB. Free memory is still 580.0 MB. There was no memory consumed. Max. memory is 50.3 GB. 17.56/8.48 * CACSL2BoogieTranslator took 222.81 ms. Allocated memory is still 649.6 MB. Free memory was 559.5 MB in the beginning and 549.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 50.3 GB. 17.56/8.48 * Boogie Procedure Inliner took 90.71 ms. Allocated memory was 649.6 MB in the beginning and 669.5 MB in the end (delta: 19.9 MB). Free memory was 549.8 MB in the beginning and 636.3 MB in the end (delta: -86.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 50.3 GB. 17.56/8.48 * Boogie Preprocessor took 20.28 ms. Allocated memory is still 669.5 MB. Free memory was 636.3 MB in the beginning and 633.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 50.3 GB. 17.56/8.48 * RCFGBuilder took 195.09 ms. Allocated memory is still 669.5 MB. Free memory was 633.5 MB in the beginning and 620.0 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 50.3 GB. 17.56/8.48 * BlockEncodingV2 took 79.44 ms. Allocated memory is still 669.5 MB. Free memory was 620.0 MB in the beginning and 613.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 50.3 GB. 17.56/8.48 * TraceAbstraction took 166.97 ms. Allocated memory is still 669.5 MB. Free memory was 612.4 MB in the beginning and 603.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 50.3 GB. 17.56/8.48 * BuchiAutomizer took 3323.81 ms. Allocated memory was 669.5 MB in the beginning and 747.6 MB in the end (delta: 78.1 MB). Free memory was 603.7 MB in the beginning and 671.2 MB in the end (delta: -67.5 MB). Peak memory consumption was 10.6 MB. Max. memory is 50.3 GB. 17.56/8.48 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: 17.56/8.48 - AllSpecificationsHoldResult: All specifications hold 17.56/8.48 We were not able to verify any specifiation because the program does not contain any specification. 17.56/8.48 - InvariantResult [Line: 24]: Loop Invariant 17.56/8.48 Derived loop invariant: 1 17.56/8.48 - InvariantResult [Line: 22]: Loop Invariant 17.56/8.48 Derived loop invariant: 1 17.56/8.48 - StatisticsResult: Ultimate Automizer benchmark data 17.56/8.48 CFG has 1 procedures, 3 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available 17.56/8.48 - StatisticsResult: Constructed decomposition of program 17.56/8.48 Your program was decomposed into 4 terminating modules (1 trivial, 0 deterministic, 3 nondeterministic). One nondeterministic module has affine ranking function -1 * i and consists of 5 locations. One nondeterministic module has affine ranking function n + -1 * i and consists of 3 locations. One nondeterministic module has affine ranking function 2 * i + -2 * j + 1 and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. 17.56/8.48 - StatisticsResult: Timing statistics 17.56/8.48 BüchiAutomizer plugin needed 3.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. 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, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 12 SDtfs, 25 SDslu, 0 SDs, 0 SdLazy, 35 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax164 hnf100 lsp61 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq159 hnf92 smp100 dnf100 smp100 tf105 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 8 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.5s 17.56/8.48 - TerminationAnalysisResult: Termination proven 17.56/8.48 Buchi Automizer proved that your program is terminating 17.56/8.48 RESULT: Ultimate proved your program to be correct! 17.56/8.48 !SESSION 2019-03-29 02:10:27.914 ----------------------------------------------- 17.56/8.48 eclipse.buildId=unknown 17.56/8.48 java.version=1.8.0_181 17.56/8.48 java.vendor=Oracle Corporation 17.56/8.48 BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US 17.56/8.48 Framework arguments: -tc ./../AutomizerAndBuchiAutomizerCInlineWithBlockEncoding.xml -s ./../termcomp2017.epf -i /export/starexec/sandbox/benchmark/theBenchmark.c 17.56/8.48 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 17.56/8.48 17.56/8.48 !ENTRY org.eclipse.core.resources 2 10035 2019-03-29 02:10:35.562 17.56/8.48 !MESSAGE The workspace will exit with unsaved changes in this session. 17.56/8.48 Received shutdown request... 17.56/8.48 Ultimate: 17.56/8.48 GTK+ Version Check 17.56/8.48 EOF